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  "id": "noise",
  "name": "Noise",
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  "subcategory": "Generators",
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  "lastUpdated": "2025-08-08T00:37:48.051Z",
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  "description": "The Noise TOP generates a variety of noise patterns including perlin, simplex, sparse, alligator and random. Some types of noise run on the CPU, while others are calculated on the GPU. The ones that are calculated on the GPU will have GPU in their name.",
  "summary": "The Noise TOP generates a variety of noise patterns including perlin, simplex, sparse, alligator and random. Some types of noise run on the CPU, while others are calculated on the GPU. The ones that a",
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      "description": "From Derivative\n\t\t\n\t\t\n\t\t\n\t\t\n\t\tJump to navigation\n\t\tJump to search\n\t\t\nThe Noise  generates a variety of noise patterns including perlin, simplex, sparse, alligator and random. Some types of noise run on the CPU, while others are calculated on the . The ones that are calculated on the  will have  in their name.\nThe first input can be combined with the generated noise in various ways depending on the parameters.\nThe second input can be used to specify noise coordinates per-pixel. Without a 2nd input connected, the noise coordinates are the 0-1 texture coordinates of the output texture, i.e, the position of the pixel in the output texture. With a 2nd input connected the position of the pixel in the output texture is used to look-up into the 2nd input, and the RGBA of the 2nd input for that sampled pixel will be used as the XYZ and W for the noise coordinate.\nnoiseTOP_Class\n\nContents\n \n \n \n \n \n \n \n \n \n\n\n\n\n\n  type -  - The noise function used to generate noise. The functions available are:\n\n perlin2d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. perlin3d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. perlin4d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex2d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex3d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex4d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. randomgpu - Every sample is randomly generated, calculated on the . sparse - Produces high quality, continuous noise based on Sparse Convolution. hermite - Quicker than Sparse, but produces lower quality noise. harmonic - Sparse noise with the ability to control the frequency step of the harmonics. Slowest type. random - (White Noise) Every sample is random and unrelated to any other sample. It is the same as \"white noise\" in audio. alligator - Cell Noise.\n\t\t\n  seed - Any number, integer or non-integer, which starts the random number generator. Each number gives completely different noise patterns, but with similar characteristics.\n\n\n\t\t\n  period - The approximate separation between peaks of a noise cycle. It is expressed in Units. Increasing the period stretches the noise pattern out.\t\nPeriod is the opposite of frequency. If the period is 2 seconds, the base frequency is 0.5 cycles per second, or 0.5Hz for short. Hz refers to Hertz, the electrical and audio engineer of the 19th century, not the car guy.\t\t\t\nIf the Type is set to Random, setting this to zero will produce completely random noise. Otherwise, the period should be greater than zero.\n\n\n\t\t\n  harmon - The number of higher frequency components to layer on top of the base frequency. The higher this number, the bumpier the noise will be (as long as roughness is not set to zero). 0 harmonics give the base shape.\n\n\n\t\t\n  spread - The factor by which the frequency of the harmonics are increased. It is normally 2. A spread of 3 and a base frequency of 0.1Hz will produce harmonics at 0.3Hz, 0.9Hz, 2.7Hz, etc.. This parameter is only valid for the Harmonic Summation type.\n\n\n\t\t\n  gain - Amount of the Harmonic Gain layered on top of the base frequency.\n\n\n\t\t\n  rough - Controls the effect of the higher frequency noise. When roughness is zero, all harmonics above the base frequency have no effect. At one, all harmonics are equal in amplitude to the base frequency. When roughness is between one and zero, the amplitude of higher harmonics drops off exponentially from the base frequency.\t\nThe default roughness is 0.5. This means the amplitude of the first harmonic is 0.5 of the base frequency, the second is 0.25, the third is 0.125. The harmonics are added to the base to give the final shape. The Harmonics parameter and the Roughness parameter must both be non-zero to see the harmonic effects.\n\n\n\t\t\n  exp - Pushes the noise values toward 0, or +1 and -1. (It raises the value to the power of the exponent.) Exponents greater than one will pull the channel toward zero, and powers less than one will pull peaks towards +1 and -1. It is used to reshape the channels.\n\n\n\t\t\n  amp - Defines the noise value's amplitude (a scale on the values output).\n\n\n\t\t\n  offset - Defines the midpoint color of the noise pattern, the default is 0.5 grey.\n\n\n\t\t\n  mono - Toggle color or monochrome noise.\n\n\n\t\t\n  aspectcorrect - Controls if the noise takes aspect ratio into account when calculating it's noise coordinates. When this is off, the noise will stretch to fit a non-square aspect ratio texture.\n\n\n\n\n\nThe Translate, Rotate, Scale and Pivot parameters let you sample in a different part of the 3D noise space. Imagine a different noise value for every XYZ point in space. Normally, the Noise  samples the noise space from (0,0,0) along the X-axis in steps of 2/period. By changing the transform, you are translating, rotating and scaling the plane along which the Noise TOPs samples the noise space. A slight Y-rotation is like walking in a straight path in the mountains, recording your altitude along the way, then re-starting from the same initial location, walking in a slightly different direction. Your altitude starts off being similar but then diverges.\n\n  xord -  - The menu attached to this parameter allows you to specify the order in which the transforms will take place. Changing the Transform order will change where things go much the same way as going a block and turning east gets you to a different place than turning east and then going a block.\n\n srt - str - rst - rts - tsr - trs -\n\t\t\n  rord -  - The rotational matrix presented when you click on this option allows you to set the transform order for the rotations. As with transform order (above), changing the order in which the rotations take place will alter the final position.\n\n xyz - xzy - yxz - yzx - zxy - zyx -\n\t\t\n  t -  - Translate the sampling plane through the noise space.\n\n tx - ty - tz -\n\t\t\n  r -  - Rotate the sampling plane in the noise space.\n\n rx - ry - rz -\n\t\t\n  s -  - Scale the sampling plane.\n\n sx - sy - sz -\n\t\t\n  p -  - Control the pivot for the transform of the sampling plane.\n\n px - py - pz -\n\t\t\n  t4d - When doing 4D noise, this applies a translation to the 4th coordinate. The previous transformation parameters do not affect the 4th coordinate.\n\n\n\t\t\n  s4d - When doing 4D noise, this applies a scale to the 4th coordinate.\n\n\n\n\n\n  rgb -  - When an input is connected to the Noise , the noise pattern is placed over the input image using UV coordinates and the settings from this menu.\n\n noise - Just the noise is output. multiply - The noise is multiplied with the input. add - The input is added to the noise. subtract - The input is subtracted from the noise.\n\t\t\n  inputscale - Adjusts how much of the input image is added to the output.\n\n\n\t\t\n  noisescale - Adjusts how much of the noise is added to the output.\n\n\n\t\t\n  alpha -  - Sets the alpha channel for the output image.\n\n zero - Alpha channel is zero. one - Alpha channel is one. random - Alpha channel is random noise. input - Alpha is the pass through from the input. multiply - Alpha is the result of the input's alpha channel * the noise. add - Alpha is the result of the input's alpha channel + the noise. addclamp - Alpha is the result of the input's alpha channel + the noise but clamped around [0-1].\n\t\t\n  dither - Dithers the output to help deal with banding and other artifacts created by precision limitations of 8-bit displays.\n\n\n\t\t\n  derivative - Turn this on to output the derivative (also known as slope) of the noise function. Currently, only supported for Simplex2D, Simplex3D, Perlin2D and Perlin3D noise types. For 2D noise derivatives, the RG channels get populated with the XY derivatives. For 3D noise derivatives, the RGB channels get populated with the XYZ derivatives. Note that this calculates derivative of the noise function not derivatives along the noise image.\n\n\n\n\n\n  outputresolution -  - quickly change the resolution of the 's data.\n\n useinput - Uses the input's resolution. eighth - Multiply the input's resolution by that amount. quarter - Multiply the input's resolution by that amount. half - Multiply the input's resolution by that amount. 2x - Multiply the input's resolution by that amount. 4x - Multiply the input's resolution by that amount. 8x - Multiply the input's resolution by that amount. fit - Grow or shrink the input resolution to fit this resolution, while keeping the aspect ratio the same. limit - Limit the input resolution to be not larger than this resolution, while keeping the aspect ratio the same. custom - Directly control the width and height.\n\n  resolution -  - Enabled only when the  parameter is set to Custom . Some Generators like Constant and Ramp do not use inputs and only use this field to determine their size. The drop down menu on the right provides some commonly used resolutions.\n\n resolutionw - resolutionh -\n\n  resmenu - A drop-down menu with some commonly used resolutions.\n\n\n\n  resmult - Uses the Global  Multiplier found in Edit>Preferences>TOPs. This multiplies all the TOPs resolutions by the set amount. This is handy when working on computers with different hardware specifications. If a project is designed on a desktop workstation with lots of graphics memory, a user on a laptop with only 64MB VRAM can set the Global  Multiplier to a value of half or quarter so it runs at an acceptable speed. By checking this checkbox on, this  is affected by the global multiplier.\n\n\n\n  outputaspect -  - Sets the image aspect ratio allowing any textures to be viewed in any size. Watch for unexpected results when compositing TOPs with different aspect ratios. (You can define images with non-square pixels using xres, yres, aspectx, aspecty where xres/yres != aspectx/aspecty.)\n\n useinput - Uses the input's aspect ratio. resolution - Uses the aspect of the image's defined resolution (ie 512x256 would be 2:1), whereby each pixel is square. custom - Lets you explicitly define a custom aspect ratio in the Aspect parameter below.\n\n  aspect -  - Use when Output Aspect parameter is set to Custom Aspect.\n\n aspect1 - aspect2 -\n\n  armenu - A drop-down menu with some commonly used aspect ratios.\n\n\n\n  inputfiltertype -  - This controls pixel filtering on the input image of the .\n\n nearest - Uses nearest pixel or accurate image representation. Images will look jaggy when viewing at any zoom level other than Native . linear - Uses linear filtering between pixels. This is how you get  images in viewers to look good at various zoom levels, especially useful when using any Fill Viewer setting other than Native . mipmap - Uses  mipmap filtering when scaling images. This can be used to reduce artifacts and sparkling in moving/scaling images that have lots of detail.\n\n  fillmode -  - Determine how the  image is displayed in the viewer.\nNOTE:To get an understanding of how TOPs work with images, you will want to set this to Native  as you lay down TOPs when starting out. This will let you see what is actually happening without any automatic viewer resizing.\n\n\n useinput - Uses the same Fill Viewer settings as it's input. fill - Stretches the image to fit the edges of the viewer. width - Stretches image to fit viewer horizontally. height - Stretches image to fit viewer vertically. best - Stretches or squashes image so no part of image is cropped. outside - Stretches or squashes image so image fills viewer while constraining it's proportions. This often leads to part of image getting cropped by viewer. nativeres - Displays the native resolution of the image in the viewer.\n\n  filtertype -  - This controls pixel filtering in the viewers.\n\n nearest - Uses nearest pixel or accurate image representation. Images will look jaggy when viewing at any zoom level other than Native . linear - Uses linear filtering between pixels. Use this to get  images in viewers to look good at various zoom levels, especially useful when using any Fill Viewer setting other than Native . mipmap - Uses  mipmap filtering when scaling images. This can be used to reduce artifacts and sparkling in moving/scaling images that have lots of detail. When the input is 32-bit float format, only nearest filtering will be used (regardless of what is selected).\n\n  npasses - Duplicates the operation of the  the specified number of times. For every pass after the first it takes the result of the previous pass and replaces the node's first input with the result of the previous pass. One exception to this is the GLSL TOP when using compute shaders, where the input will continue to be the connected 's image.\n\n\n\n  chanmask - Allows you to choose which channels (R, G, B, or A) the  will operate on. All channels are selected by default.\n\n\n\n  format -  - Format used to store data for each channel in the image (ie. R, G, B, and A). Refer to Pixel Formats for more information.\n\n useinput - Uses the input's pixel format. rgba8fixed - Uses 8-bit integer values for each channel. srgba8fixed - Uses 8-bit integer values for each channel and stores color in sRGB colorspace. Note that this does not apply an sRGB curve to the pixel values, it only stores them using an sRGB curve. This means more data is used for the darker values and less for the brighter values. When the values are read downstream they will be converted back to linear. For more information refer to sRGB. rgba16float - Uses 16-bits per color channel, 64-bits per pixel. rgba32float - Uses 32-bits per color channel, 128-bits per pixels. rgb10a2fixed - Uses 10-bits per color channel and 2-bits for alpha, 32-bits total per pixel. rgba16fixed - Uses 16-bits per color channel, 64-bits total per pixel. rgba11float - A RGB floating point format that has 11 bits for the Red and Green channels, and 10-bits for the Blue , 32-bits total per pixel (therefore the same memory usage as 8-bit RGBA). The Alpha channel in this format will always be 1. Values can go above one, but can't be negative. ie. the range is [0, infinite). rgb16float - rgb32float - mono8fixed - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 8-bits per pixel. mono16fixed - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 16-bits per pixel. mono16float - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 16-bits per pixel. mono32float - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 32-bits per pixel. rg8fixed - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 8-bits per channel, 16-bits total per pixel. rg16fixed - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 16-bits per channel, 32-bits total per pixel. rg16float - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 16-bits per channel, 32-bits total per pixel. rg32float - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 32-bits per channel, 64-bits total per pixel. a8fixed - An Alpha only format that has 8-bits per channel, 8-bits per pixel. a16fixed - An Alpha only format that has 16-bits per channel, 16-bits per pixel. a16float - An Alpha only format that has 16-bits per channel, 16-bits per pixel. a32float - An Alpha only format that has 32-bits per channel, 32-bits per pixel. monoalpha8fixed - A 2 channel format, one value for RGB and one value for Alpha. 8-bits per channel, 16-bits per pixel. monoalpha16fixed - A 2 channel format, one value for RGB and one value for Alpha. 16-bits per channel, 32-bits per pixel. monoalpha16float - A 2 channel format, one value for RGB and one value for Alpha. 16-bits per channel, 32-bits per pixel. monoalpha32float - A 2 channel format, one value for RGB and one value for Alpha. 32-bits per channel, 64-bits per pixel.\n\n\n\n - Control the Composite operation via the parameters on the Output Page of this operator.\n - A texture specifying the 2, 3 or 4 dimensional lookup into the noise field.\n\nExtra Information for the Noise  can be accessed via an Info CHOP.\n\n\n\n - Horizontal resolution of the  in pixels. - Vertical resolution of the  in pixels. - Horizontal aspect of the . - Vertical aspect of the . - Depth of 2D or 3D array if this  contains a 2D or 3D texture array. - Total amount of texture memory used by this .\n - Number of times the operator has cooked since the process started. - Duration of the last cook in milliseconds. - Frame number when this operator was last cooked relative to the component timeline. - Frame number when this operator was last cooked relative to the absolute time. - Time in milliseconds at which the operator started cooking in the frame it was cooked. - Time in milliseconds at which the operator finished cooking in the frame it was cooked. - 1 if operator was cooked this frame. - Number of warnings in this operator if any. - Number of errors in this operator if any.\nTouchDesigner Build: Latest\\nwikieditorwikieditor2021.100002018.28070before 2018.28070\nTOPs\n• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • \n\nAn Operator Family that creates, composites and modifies images, and reads/writes images and movies to/from files and the network. TOPs run on the graphics card's GPU.\n\n\n\nThe Graphics Processing Unit. This is the high-speed, many-core processor of the graphics card/chip that takes geometry, images and data from the CPU and creates images and processed data.\n\n\n\nAn Operator Family which operate on Channels (a sequence of numbers (Samples)) which are used for animation, audio, mathematics, simulation, logic, UI construction, and data streamed from/to devices and protocols.\n\n\n\nThe width and height of an image in pixels. Most TOPs, like the Movie File In TOP can set the image resolution. 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      "description": "From Derivative\n\t\t\n\t\t\n\t\t\n\t\t\n\t\tJump to navigation\n\t\tJump to search\n\t\t\nThe Noise  generates a variety of noise patterns including perlin, simplex, sparse, alligator and random. Some types of noise run on the CPU, while others are calculated on the . The ones that are calculated on the  will have  in their name.\nThe first input can be combined with the generated noise in various ways depending on the parameters.\nThe second input can be used to specify noise coordinates per-pixel. Without a 2nd input connected, the noise coordinates are the 0-1 texture coordinates of the output texture, i.e, the position of the pixel in the output texture. With a 2nd input connected the position of the pixel in the output texture is used to look-up into the 2nd input, and the RGBA of the 2nd input for that sampled pixel will be used as the XYZ and W for the noise coordinate.\nnoiseTOP_Class\n\nContents\n \n \n \n \n \n \n \n \n \n\n\n\n\n\n  type -  - The noise function used to generate noise. The functions available are:\n\n perlin2d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. perlin3d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. perlin4d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex2d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex3d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex4d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. randomgpu - Every sample is randomly generated, calculated on the . sparse - Produces high quality, continuous noise based on Sparse Convolution. hermite - Quicker than Sparse, but produces lower quality noise. harmonic - Sparse noise with the ability to control the frequency step of the harmonics. Slowest type. random - (White Noise) Every sample is random and unrelated to any other sample. It is the same as \"white noise\" in audio. alligator - Cell Noise.\n\t\t\n  seed - Any number, integer or non-integer, which starts the random number generator. Each number gives completely different noise patterns, but with similar characteristics.\n\n\n\t\t\n  period - The approximate separation between peaks of a noise cycle. It is expressed in Units. Increasing the period stretches the noise pattern out.\t\nPeriod is the opposite of frequency. If the period is 2 seconds, the base frequency is 0.5 cycles per second, or 0.5Hz for short. Hz refers to Hertz, the electrical and audio engineer of the 19th century, not the car guy.\t\t\t\nIf the Type is set to Random, setting this to zero will produce completely random noise. Otherwise, the period should be greater than zero.\n\n\n\t\t\n  harmon - The number of higher frequency components to layer on top of the base frequency. The higher this number, the bumpier the noise will be (as long as roughness is not set to zero). 0 harmonics give the base shape.\n\n\n\t\t\n  spread - The factor by which the frequency of the harmonics are increased. It is normally 2. A spread of 3 and a base frequency of 0.1Hz will produce harmonics at 0.3Hz, 0.9Hz, 2.7Hz, etc.. This parameter is only valid for the Harmonic Summation type.\n\n\n\t\t\n  gain - Amount of the Harmonic Gain layered on top of the base frequency.\n\n\n\t\t\n  rough - Controls the effect of the higher frequency noise. When roughness is zero, all harmonics above the base frequency have no effect. At one, all harmonics are equal in amplitude to the base frequency. When roughness is between one and zero, the amplitude of higher harmonics drops off exponentially from the base frequency.\t\nThe default roughness is 0.5. This means the amplitude of the first harmonic is 0.5 of the base frequency, the second is 0.25, the third is 0.125. The harmonics are added to the base to give the final shape. The Harmonics parameter and the Roughness parameter must both be non-zero to see the harmonic effects.\n\n\n\t\t\n  exp - Pushes the noise values toward 0, or +1 and -1. (It raises the value to the power of the exponent.) Exponents greater than one will pull the channel toward zero, and powers less than one will pull peaks towards +1 and -1. It is used to reshape the channels.\n\n\n\t\t\n  amp - Defines the noise value's amplitude (a scale on the values output).\n\n\n\t\t\n  offset - Defines the midpoint color of the noise pattern, the default is 0.5 grey.\n\n\n\t\t\n  mono - Toggle color or monochrome noise.\n\n\n\t\t\n  aspectcorrect - Controls if the noise takes aspect ratio into account when calculating it's noise coordinates. When this is off, the noise will stretch to fit a non-square aspect ratio texture.\n\n\n\n\n\nThe Translate, Rotate, Scale and Pivot parameters let you sample in a different part of the 3D noise space. Imagine a different noise value for every XYZ point in space. Normally, the Noise  samples the noise space from (0,0,0) along the X-axis in steps of 2/period. By changing the transform, you are translating, rotating and scaling the plane along which the Noise TOPs samples the noise space. A slight Y-rotation is like walking in a straight path in the mountains, recording your altitude along the way, then re-starting from the same initial location, walking in a slightly different direction. Your altitude starts off being similar but then diverges.\n\n  xord -  - The menu attached to this parameter allows you to specify the order in which the transforms will take place. Changing the Transform order will change where things go much the same way as going a block and turning east gets you to a different place than turning east and then going a block.\n\n srt - str - rst - rts - tsr - trs -\n\t\t\n  rord -  - The rotational matrix presented when you click on this option allows you to set the transform order for the rotations. As with transform order (above), changing the order in which the rotations take place will alter the final position.\n\n xyz - xzy - yxz - yzx - zxy - zyx -\n\t\t\n  t -  - Translate the sampling plane through the noise space.\n\n tx - ty - tz -\n\t\t\n  r -  - Rotate the sampling plane in the noise space.\n\n rx - ry - rz -\n\t\t\n  s -  - Scale the sampling plane.\n\n sx - sy - sz -\n\t\t\n  p -  - Control the pivot for the transform of the sampling plane.\n\n px - py - pz -\n\t\t\n  t4d - When doing 4D noise, this applies a translation to the 4th coordinate. The previous transformation parameters do not affect the 4th coordinate.\n\n\n\t\t\n  s4d - When doing 4D noise, this applies a scale to the 4th coordinate.\n\n\n\n\n\n  rgb -  - When an input is connected to the Noise , the noise pattern is placed over the input image using UV coordinates and the settings from this menu.\n\n noise - Just the noise is output. multiply - The noise is multiplied with the input. add - The input is added to the noise. subtract - The input is subtracted from the noise.\n\t\t\n  inputscale - Adjusts how much of the input image is added to the output.\n\n\n\t\t\n  noisescale - Adjusts how much of the noise is added to the output.\n\n\n\t\t\n  alpha -  - Sets the alpha channel for the output image.\n\n zero - Alpha channel is zero. one - Alpha channel is one. random - Alpha channel is random noise. input - Alpha is the pass through from the input. multiply - Alpha is the result of the input's alpha channel * the noise. add - Alpha is the result of the input's alpha channel + the noise. addclamp - Alpha is the result of the input's alpha channel + the noise but clamped around [0-1].\n\t\t\n  dither - Dithers the output to help deal with banding and other artifacts created by precision limitations of 8-bit displays.\n\n\n\t\t\n  derivative - Turn this on to output the derivative (also known as slope) of the noise function. Currently, only supported for Simplex2D, Simplex3D, Perlin2D and Perlin3D noise types. For 2D noise derivatives, the RG channels get populated with the XY derivatives. For 3D noise derivatives, the RGB channels get populated with the XYZ derivatives. Note that this calculates derivative of the noise function not derivatives along the noise image.\n\n\n\n\n\n  outputresolution -  - quickly change the resolution of the 's data.\n\n useinput - Uses the input's resolution. eighth - Multiply the input's resolution by that amount. quarter - Multiply the input's resolution by that amount. half - Multiply the input's resolution by that amount. 2x - Multiply the input's resolution by that amount. 4x - Multiply the input's resolution by that amount. 8x - Multiply the input's resolution by that amount. fit - Grow or shrink the input resolution to fit this resolution, while keeping the aspect ratio the same. limit - Limit the input resolution to be not larger than this resolution, while keeping the aspect ratio the same. custom - Directly control the width and height.\n\n  resolution -  - Enabled only when the  parameter is set to Custom . Some Generators like Constant and Ramp do not use inputs and only use this field to determine their size. The drop down menu on the right provides some commonly used resolutions.\n\n resolutionw - resolutionh -\n\n  resmenu - A drop-down menu with some commonly used resolutions.\n\n\n\n  resmult - Uses the Global  Multiplier found in Edit>Preferences>TOPs. This multiplies all the TOPs resolutions by the set amount. This is handy when working on computers with different hardware specifications. If a project is designed on a desktop workstation with lots of graphics memory, a user on a laptop with only 64MB VRAM can set the Global  Multiplier to a value of half or quarter so it runs at an acceptable speed. By checking this checkbox on, this  is affected by the global multiplier.\n\n\n\n  outputaspect -  - Sets the image aspect ratio allowing any textures to be viewed in any size. Watch for unexpected results when compositing TOPs with different aspect ratios. (You can define images with non-square pixels using xres, yres, aspectx, aspecty where xres/yres != aspectx/aspecty.)\n\n useinput - Uses the input's aspect ratio. resolution - Uses the aspect of the image's defined resolution (ie 512x256 would be 2:1), whereby each pixel is square. custom - Lets you explicitly define a custom aspect ratio in the Aspect parameter below.\n\n  aspect -  - Use when Output Aspect parameter is set to Custom Aspect.\n\n aspect1 - aspect2 -\n\n  armenu - A drop-down menu with some commonly used aspect ratios.\n\n\n\n  inputfiltertype -  - This controls pixel filtering on the input image of the .\n\n nearest - Uses nearest pixel or accurate image representation. Images will look jaggy when viewing at any zoom level other than Native . linear - Uses linear filtering between pixels. This is how you get  images in viewers to look good at various zoom levels, especially useful when using any Fill Viewer setting other than Native . mipmap - Uses  mipmap filtering when scaling images. This can be used to reduce artifacts and sparkling in moving/scaling images that have lots of detail.\n\n  fillmode -  - Determine how the  image is displayed in the viewer.\nNOTE:To get an understanding of how TOPs work with images, you will want to set this to Native  as you lay down TOPs when starting out. This will let you see what is actually happening without any automatic viewer resizing.\n\n\n useinput - Uses the same Fill Viewer settings as it's input. fill - Stretches the image to fit the edges of the viewer. width - Stretches image to fit viewer horizontally. height - Stretches image to fit viewer vertically. best - Stretches or squashes image so no part of image is cropped. outside - Stretches or squashes image so image fills viewer while constraining it's proportions. This often leads to part of image getting cropped by viewer. nativeres - Displays the native resolution of the image in the viewer.\n\n  filtertype -  - This controls pixel filtering in the viewers.\n\n nearest - Uses nearest pixel or accurate image representation. Images will look jaggy when viewing at any zoom level other than Native . linear - Uses linear filtering between pixels. Use this to get  images in viewers to look good at various zoom levels, especially useful when using any Fill Viewer setting other than Native . mipmap - Uses  mipmap filtering when scaling images. This can be used to reduce artifacts and sparkling in moving/scaling images that have lots of detail. When the input is 32-bit float format, only nearest filtering will be used (regardless of what is selected).\n\n  npasses - Duplicates the operation of the  the specified number of times. For every pass after the first it takes the result of the previous pass and replaces the node's first input with the result of the previous pass. One exception to this is the GLSL TOP when using compute shaders, where the input will continue to be the connected 's image.\n\n\n\n  chanmask - Allows you to choose which channels (R, G, B, or A) the  will operate on. All channels are selected by default.\n\n\n\n  format -  - Format used to store data for each channel in the image (ie. R, G, B, and A). Refer to Pixel Formats for more information.\n\n useinput - Uses the input's pixel format. rgba8fixed - Uses 8-bit integer values for each channel. srgba8fixed - Uses 8-bit integer values for each channel and stores color in sRGB colorspace. Note that this does not apply an sRGB curve to the pixel values, it only stores them using an sRGB curve. This means more data is used for the darker values and less for the brighter values. When the values are read downstream they will be converted back to linear. For more information refer to sRGB. rgba16float - Uses 16-bits per color channel, 64-bits per pixel. rgba32float - Uses 32-bits per color channel, 128-bits per pixels. rgb10a2fixed - Uses 10-bits per color channel and 2-bits for alpha, 32-bits total per pixel. rgba16fixed - Uses 16-bits per color channel, 64-bits total per pixel. rgba11float - A RGB floating point format that has 11 bits for the Red and Green channels, and 10-bits for the Blue , 32-bits total per pixel (therefore the same memory usage as 8-bit RGBA). The Alpha channel in this format will always be 1. Values can go above one, but can't be negative. ie. the range is [0, infinite). rgb16float - rgb32float - mono8fixed - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 8-bits per pixel. mono16fixed - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 16-bits per pixel. mono16float - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 16-bits per pixel. mono32float - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 32-bits per pixel. rg8fixed - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 8-bits per channel, 16-bits total per pixel. rg16fixed - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 16-bits per channel, 32-bits total per pixel. rg16float - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 16-bits per channel, 32-bits total per pixel. rg32float - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 32-bits per channel, 64-bits total per pixel. a8fixed - An Alpha only format that has 8-bits per channel, 8-bits per pixel. a16fixed - An Alpha only format that has 16-bits per channel, 16-bits per pixel. a16float - An Alpha only format that has 16-bits per channel, 16-bits per pixel. a32float - An Alpha only format that has 32-bits per channel, 32-bits per pixel. monoalpha8fixed - A 2 channel format, one value for RGB and one value for Alpha. 8-bits per channel, 16-bits per pixel. monoalpha16fixed - A 2 channel format, one value for RGB and one value for Alpha. 16-bits per channel, 32-bits per pixel. monoalpha16float - A 2 channel format, one value for RGB and one value for Alpha. 16-bits per channel, 32-bits per pixel. monoalpha32float - A 2 channel format, one value for RGB and one value for Alpha. 32-bits per channel, 64-bits per pixel.\n\n\n\n - Control the Composite operation via the parameters on the Output Page of this operator.\n - A texture specifying the 2, 3 or 4 dimensional lookup into the noise field.\n\nExtra Information for the Noise  can be accessed via an Info CHOP.\n\n\n\n - Horizontal resolution of the  in pixels. - Vertical resolution of the  in pixels. - Horizontal aspect of the . - Vertical aspect of the . - Depth of 2D or 3D array if this  contains a 2D or 3D texture array. - Total amount of texture memory used by this .\n - Number of times the operator has cooked since the process started. - Duration of the last cook in milliseconds. - Frame number when this operator was last cooked relative to the component timeline. - Frame number when this operator was last cooked relative to the absolute time. - Time in milliseconds at which the operator started cooking in the frame it was cooked. - Time in milliseconds at which the operator finished cooking in the frame it was cooked. - 1 if operator was cooked this frame. - Number of warnings in this operator if any. - Number of errors in this operator if any.\nTouchDesigner Build: Latest\\nwikieditorwikieditor2021.100002018.28070before 2018.28070\nTOPs\n• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • \n\nAn Operator Family that creates, composites and modifies images, and reads/writes images and movies to/from files and the network. TOPs run on the graphics card's GPU.\n\n\n\nThe Graphics Processing Unit. This is the high-speed, many-core processor of the graphics card/chip that takes geometry, images and data from the CPU and creates images and processed data.\n\n\n\nAn Operator Family which operate on Channels (a sequence of numbers (Samples)) which are used for animation, audio, mathematics, simulation, logic, UI construction, and data streamed from/to devices and protocols.\n\n\n\nThe width and height of an image in pixels. Most TOPs, like the Movie File In TOP can set the image resolution. See Aspect Ratio for the width/height ratio of an image, taking into account non-square pixels.\n\n\n\nThe viewer of a node can be (1) the interior of a node (the Node Viewer), (2) a floating window (RMB->View... on node), or (3) a Pane that graphically shows the results of an operator.\n\n\n\nA CHOP outputs one or more channels, where a channel is simply a sequence of numbers (Samples), representing motion, audio, etc. Channels are passed between CHOPs in TouchDesigner networks. Channels can be Exported to Parameters.\n\n\n\n\n\n\n\n\nRetrieved from \"https://docs.derivative.ca/index.php?title=Noise_TOP&oldid=30823\"\n\t\tCategory: TOPs",
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      "description": "The Noise  generates a variety of noise patterns including perlin, simplex, sparse, alligator and random. Some types of noise run on the CPU, while others are calculated on the . The ones that are calculated on the  will have  in their name.\nThe first input can be combined with the generated noise in various ways depending on the parameters.\nThe second input can be used to specify noise coordinates per-pixel. Without a 2nd input connected, the noise coordinates are the 0-1 texture coordinates of the output texture, i.e, the position of the pixel in the output texture. With a 2nd input connected the position of the pixel in the output texture is used to look-up into the 2nd input, and the RGBA of the 2nd input for that sampled pixel will be used as the XYZ and W for the noise coordinate.\nnoiseTOP_Class\n\nContents\n \n \n \n \n \n \n \n \n \n\n\n\n\n\n  type -  - The noise function used to generate noise. The functions available are:\n\n perlin2d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. perlin3d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. perlin4d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex2d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex3d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex4d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. randomgpu - Every sample is randomly generated, calculated on the . sparse - Produces high quality, continuous noise based on Sparse Convolution. hermite - Quicker than Sparse, but produces lower quality noise. harmonic - Sparse noise with the ability to control the frequency step of the harmonics. Slowest type. random - (White Noise) Every sample is random and unrelated to any other sample. It is the same as \"white noise\" in audio. alligator - Cell Noise.\n\t\t\n  seed - Any number, integer or non-integer, which starts the random number generator. Each number gives completely different noise patterns, but with similar characteristics.\n\n\n\t\t\n  period - The approximate separation between peaks of a noise cycle. It is expressed in Units. Increasing the period stretches the noise pattern out.\t\nPeriod is the opposite of frequency. If the period is 2 seconds, the base frequency is 0.5 cycles per second, or 0.5Hz for short. Hz refers to Hertz, the electrical and audio engineer of the 19th century, not the car guy.\t\t\t\nIf the Type is set to Random, setting this to zero will produce completely random noise. Otherwise, the period should be greater than zero.\n\n\n\t\t\n  harmon - The number of higher frequency components to layer on top of the base frequency. The higher this number, the bumpier the noise will be (as long as roughness is not set to zero). 0 harmonics give the base shape.\n\n\n\t\t\n  spread - The factor by which the frequency of the harmonics are increased. It is normally 2. A spread of 3 and a base frequency of 0.1Hz will produce harmonics at 0.3Hz, 0.9Hz, 2.7Hz, etc.. This parameter is only valid for the Harmonic Summation type.\n\n\n\t\t\n  gain - Amount of the Harmonic Gain layered on top of the base frequency.\n\n\n\t\t\n  rough - Controls the effect of the higher frequency noise. When roughness is zero, all harmonics above the base frequency have no effect. At one, all harmonics are equal in amplitude to the base frequency. When roughness is between one and zero, the amplitude of higher harmonics drops off exponentially from the base frequency.\t\nThe default roughness is 0.5. This means the amplitude of the first harmonic is 0.5 of the base frequency, the second is 0.25, the third is 0.125. The harmonics are added to the base to give the final shape. The Harmonics parameter and the Roughness parameter must both be non-zero to see the harmonic effects.\n\n\n\t\t\n  exp - Pushes the noise values toward 0, or +1 and -1. (It raises the value to the power of the exponent.) Exponents greater than one will pull the channel toward zero, and powers less than one will pull peaks towards +1 and -1. It is used to reshape the channels.\n\n\n\t\t\n  amp - Defines the noise value's amplitude (a scale on the values output).\n\n\n\t\t\n  offset - Defines the midpoint color of the noise pattern, the default is 0.5 grey.\n\n\n\t\t\n  mono - Toggle color or monochrome noise.\n\n\n\t\t\n  aspectcorrect - Controls if the noise takes aspect ratio into account when calculating it's noise coordinates. When this is off, the noise will stretch to fit a non-square aspect ratio texture.\n\n\n\n\n\nThe Translate, Rotate, Scale and Pivot parameters let you sample in a different part of the 3D noise space. Imagine a different noise value for every XYZ point in space. Normally, the Noise  samples the noise space from (0,0,0) along the X-axis in steps of 2/period. By changing the transform, you are translating, rotating and scaling the plane along which the Noise TOPs samples the noise space. A slight Y-rotation is like walking in a straight path in the mountains, recording your altitude along the way, then re-starting from the same initial location, walking in a slightly different direction. Your altitude starts off being similar but then diverges.\n\n  xord -  - The menu attached to this parameter allows you to specify the order in which the transforms will take place. Changing the Transform order will change where things go much the same way as going a block and turning east gets you to a different place than turning east and then going a block.\n\n srt - str - rst - rts - tsr - trs -\n\t\t\n  rord -  - The rotational matrix presented when you click on this option allows you to set the transform order for the rotations. As with transform order (above), changing the order in which the rotations take place will alter the final position.\n\n xyz - xzy - yxz - yzx - zxy - zyx -\n\t\t\n  t -  - Translate the sampling plane through the noise space.\n\n tx - ty - tz -\n\t\t\n  r -  - Rotate the sampling plane in the noise space.\n\n rx - ry - rz -\n\t\t\n  s -  - Scale the sampling plane.\n\n sx - sy - sz -\n\t\t\n  p -  - Control the pivot for the transform of the sampling plane.\n\n px - py - pz -\n\t\t\n  t4d - When doing 4D noise, this applies a translation to the 4th coordinate. The previous transformation parameters do not affect the 4th coordinate.\n\n\n\t\t\n  s4d - When doing 4D noise, this applies a scale to the 4th coordinate.\n\n\n\n\n\n  rgb -  - When an input is connected to the Noise , the noise pattern is placed over the input image using UV coordinates and the settings from this menu.\n\n noise - Just the noise is output. multiply - The noise is multiplied with the input. add - The input is added to the noise. subtract - The input is subtracted from the noise.\n\t\t\n  inputscale - Adjusts how much of the input image is added to the output.\n\n\n\t\t\n  noisescale - Adjusts how much of the noise is added to the output.\n\n\n\t\t\n  alpha -  - Sets the alpha channel for the output image.\n\n zero - Alpha channel is zero. one - Alpha channel is one. random - Alpha channel is random noise. input - Alpha is the pass through from the input. multiply - Alpha is the result of the input's alpha channel * the noise. add - Alpha is the result of the input's alpha channel + the noise. addclamp - Alpha is the result of the input's alpha channel + the noise but clamped around [0-1].\n\t\t\n  dither - Dithers the output to help deal with banding and other artifacts created by precision limitations of 8-bit displays.\n\n\n\t\t\n  derivative - Turn this on to output the derivative (also known as slope) of the noise function. Currently, only supported for Simplex2D, Simplex3D, Perlin2D and Perlin3D noise types. For 2D noise derivatives, the RG channels get populated with the XY derivatives. For 3D noise derivatives, the RGB channels get populated with the XYZ derivatives. Note that this calculates derivative of the noise function not derivatives along the noise image.\n\n\n\n\n\n  outputresolution -  - quickly change the resolution of the 's data.\n\n useinput - Uses the input's resolution. eighth - Multiply the input's resolution by that amount. quarter - Multiply the input's resolution by that amount. half - Multiply the input's resolution by that amount. 2x - Multiply the input's resolution by that amount. 4x - Multiply the input's resolution by that amount. 8x - Multiply the input's resolution by that amount. fit - Grow or shrink the input resolution to fit this resolution, while keeping the aspect ratio the same. limit - Limit the input resolution to be not larger than this resolution, while keeping the aspect ratio the same. custom - Directly control the width and height.\n\n  resolution -  - Enabled only when the  parameter is set to Custom . Some Generators like Constant and Ramp do not use inputs and only use this field to determine their size. The drop down menu on the right provides some commonly used resolutions.\n\n resolutionw - resolutionh -\n\n  resmenu - A drop-down menu with some commonly used resolutions.\n\n\n\n  resmult - Uses the Global  Multiplier found in Edit>Preferences>TOPs. This multiplies all the TOPs resolutions by the set amount. This is handy when working on computers with different hardware specifications. If a project is designed on a desktop workstation with lots of graphics memory, a user on a laptop with only 64MB VRAM can set the Global  Multiplier to a value of half or quarter so it runs at an acceptable speed. By checking this checkbox on, this  is affected by the global multiplier.\n\n\n\n  outputaspect -  - Sets the image aspect ratio allowing any textures to be viewed in any size. Watch for unexpected results when compositing TOPs with different aspect ratios. (You can define images with non-square pixels using xres, yres, aspectx, aspecty where xres/yres != aspectx/aspecty.)\n\n useinput - Uses the input's aspect ratio. resolution - Uses the aspect of the image's defined resolution (ie 512x256 would be 2:1), whereby each pixel is square. custom - Lets you explicitly define a custom aspect ratio in the Aspect parameter below.\n\n  aspect -  - Use when Output Aspect parameter is set to Custom Aspect.\n\n aspect1 - aspect2 -\n\n  armenu - A drop-down menu with some commonly used aspect ratios.\n\n\n\n  inputfiltertype -  - This controls pixel filtering on the input image of the .\n\n nearest - Uses nearest pixel or accurate image representation. Images will look jaggy when viewing at any zoom level other than Native . linear - Uses linear filtering between pixels. This is how you get  images in viewers to look good at various zoom levels, especially useful when using any Fill Viewer setting other than Native . mipmap - Uses  mipmap filtering when scaling images. This can be used to reduce artifacts and sparkling in moving/scaling images that have lots of detail.\n\n  fillmode -  - Determine how the  image is displayed in the viewer.\nNOTE:To get an understanding of how TOPs work with images, you will want to set this to Native  as you lay down TOPs when starting out. This will let you see what is actually happening without any automatic viewer resizing.\n\n\n useinput - Uses the same Fill Viewer settings as it's input. fill - Stretches the image to fit the edges of the viewer. width - Stretches image to fit viewer horizontally. height - Stretches image to fit viewer vertically. best - Stretches or squashes image so no part of image is cropped. outside - Stretches or squashes image so image fills viewer while constraining it's proportions. This often leads to part of image getting cropped by viewer. nativeres - Displays the native resolution of the image in the viewer.\n\n  filtertype -  - This controls pixel filtering in the viewers.\n\n nearest - Uses nearest pixel or accurate image representation. Images will look jaggy when viewing at any zoom level other than Native . linear - Uses linear filtering between pixels. Use this to get  images in viewers to look good at various zoom levels, especially useful when using any Fill Viewer setting other than Native . mipmap - Uses  mipmap filtering when scaling images. This can be used to reduce artifacts and sparkling in moving/scaling images that have lots of detail. When the input is 32-bit float format, only nearest filtering will be used (regardless of what is selected).\n\n  npasses - Duplicates the operation of the  the specified number of times. For every pass after the first it takes the result of the previous pass and replaces the node's first input with the result of the previous pass. One exception to this is the GLSL TOP when using compute shaders, where the input will continue to be the connected 's image.\n\n\n\n  chanmask - Allows you to choose which channels (R, G, B, or A) the  will operate on. All channels are selected by default.\n\n\n\n  format -  - Format used to store data for each channel in the image (ie. R, G, B, and A). Refer to Pixel Formats for more information.\n\n useinput - Uses the input's pixel format. rgba8fixed - Uses 8-bit integer values for each channel. srgba8fixed - Uses 8-bit integer values for each channel and stores color in sRGB colorspace. Note that this does not apply an sRGB curve to the pixel values, it only stores them using an sRGB curve. This means more data is used for the darker values and less for the brighter values. When the values are read downstream they will be converted back to linear. For more information refer to sRGB. rgba16float - Uses 16-bits per color channel, 64-bits per pixel. rgba32float - Uses 32-bits per color channel, 128-bits per pixels. rgb10a2fixed - Uses 10-bits per color channel and 2-bits for alpha, 32-bits total per pixel. rgba16fixed - Uses 16-bits per color channel, 64-bits total per pixel. rgba11float - A RGB floating point format that has 11 bits for the Red and Green channels, and 10-bits for the Blue , 32-bits total per pixel (therefore the same memory usage as 8-bit RGBA). The Alpha channel in this format will always be 1. Values can go above one, but can't be negative. ie. the range is [0, infinite). rgb16float - rgb32float - mono8fixed - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 8-bits per pixel. mono16fixed - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 16-bits per pixel. mono16float - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 16-bits per pixel. mono32float - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 32-bits per pixel. rg8fixed - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 8-bits per channel, 16-bits total per pixel. rg16fixed - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 16-bits per channel, 32-bits total per pixel. rg16float - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 16-bits per channel, 32-bits total per pixel. rg32float - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 32-bits per channel, 64-bits total per pixel. a8fixed - An Alpha only format that has 8-bits per channel, 8-bits per pixel. a16fixed - An Alpha only format that has 16-bits per channel, 16-bits per pixel. a16float - An Alpha only format that has 16-bits per channel, 16-bits per pixel. a32float - An Alpha only format that has 32-bits per channel, 32-bits per pixel. monoalpha8fixed - A 2 channel format, one value for RGB and one value for Alpha. 8-bits per channel, 16-bits per pixel. monoalpha16fixed - A 2 channel format, one value for RGB and one value for Alpha. 16-bits per channel, 32-bits per pixel. monoalpha16float - A 2 channel format, one value for RGB and one value for Alpha. 16-bits per channel, 32-bits per pixel. monoalpha32float - A 2 channel format, one value for RGB and one value for Alpha. 32-bits per channel, 64-bits per pixel.\n\n\n\n - Control the Composite operation via the parameters on the Output Page of this operator.\n - A texture specifying the 2, 3 or 4 dimensional lookup into the noise field.\n\nExtra Information for the Noise  can be accessed via an Info CHOP.\n\n\n\n - Horizontal resolution of the  in pixels. - Vertical resolution of the  in pixels. - Horizontal aspect of the . - Vertical aspect of the . - Depth of 2D or 3D array if this  contains a 2D or 3D texture array. - Total amount of texture memory used by this .\n - Number of times the operator has cooked since the process started. - Duration of the last cook in milliseconds. - Frame number when this operator was last cooked relative to the component timeline. - Frame number when this operator was last cooked relative to the absolute time. - Time in milliseconds at which the operator started cooking in the frame it was cooked. - Time in milliseconds at which the operator finished cooking in the frame it was cooked. - 1 if operator was cooked this frame. - Number of warnings in this operator if any. - Number of errors in this operator if any.\nTouchDesigner Build: Latest\\nwikieditorwikieditor2021.100002018.28070before 2018.28070\nTOPs\n• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • \n\nAn Operator Family that creates, composites and modifies images, and reads/writes images and movies to/from files and the network. TOPs run on the graphics card's GPU.\n\n\n\nThe Graphics Processing Unit. This is the high-speed, many-core processor of the graphics card/chip that takes geometry, images and data from the CPU and creates images and processed data.\n\n\n\nAn Operator Family which operate on Channels (a sequence of numbers (Samples)) which are used for animation, audio, mathematics, simulation, logic, UI construction, and data streamed from/to devices and protocols.\n\n\n\nThe width and height of an image in pixels. Most TOPs, like the Movie File In TOP can set the image resolution. See Aspect Ratio for the width/height ratio of an image, taking into account non-square pixels.\n\n\n\nThe viewer of a node can be (1) the interior of a node (the Node Viewer), (2) a floating window (RMB->View... on node), or (3) a Pane that graphically shows the results of an operator.\n\n\n\nA CHOP outputs one or more channels, where a channel is simply a sequence of numbers (Samples), representing motion, audio, etc. Channels are passed between CHOPs in TouchDesigner networks. Channels can be Exported to Parameters.\n\n\n\n\n\n\n\n\nRetrieved from \"https://docs.derivative.ca/index.php?title=Noise_TOP&oldid=30823\"",
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      "description": "type -  - The noise function used to generate noise. The functions available are:\n\n perlin2d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. perlin3d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. perlin4d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex2d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex3d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex4d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. randomgpu - Every sample is randomly generated, calculated on the . sparse - Produces high quality, continuous noise based on Sparse Convolution. hermite - Quicker than Sparse, but produces lower quality noise. harmonic - Sparse noise with the ability to control the frequency step of the harmonics. Slowest type. random - (White Noise) Every sample is random and unrelated to any other sample. It is the same as \"white noise\" in audio. alligator - Cell Noise.",
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      "name": "Perlin 2D (GPU)",
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      "description": "perlin2d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. perlin3d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. perlin4d - Perlin noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex2d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex3d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. simplex4d - Simplex noise function calculated on the .  Choose between 2, 3, and 4 dimensional functions. randomgpu - Every sample is randomly generated, calculated on the . sparse - Produces high quality, continuous noise based on Sparse Convolution. hermite - Quicker than Sparse, but produces lower quality noise. harmonic - Sparse noise with the ability to control the frequency step of the harmonics. Slowest type. random - (White Noise) Every sample is random and unrelated to any other sample. It is the same as \"white noise\" in audio. alligator - Cell Noise.",
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      "name": "Seed",
      "label": "Seed",
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      "description": "seed - Any number, integer or non-integer, which starts the random number generator. Each number gives completely different noise patterns, but with similar characteristics.",
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      "name": "Period",
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      "description": "period - The approximate separation between peaks of a noise cycle. It is expressed in Units. Increasing the period stretches the noise pattern out.\t\nPeriod is the opposite of frequency. If the period is 2 seconds, the base frequency is 0.5 cycles per second, or 0.5Hz for short. Hz refers to Hertz, the electrical and audio engineer of the 19th century, not the car guy.\t\t\t\nIf the Type is set to Random, setting this to zero will produce completely random noise. Otherwise, the period should be greater than zero.",
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      "name": "Harmonics",
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      "description": "harmon - The number of higher frequency components to layer on top of the base frequency. The higher this number, the bumpier the noise will be (as long as roughness is not set to zero). 0 harmonics give the base shape.",
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      "name": "Harmonic Spread",
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      "description": "spread - The factor by which the frequency of the harmonics are increased. It is normally 2. A spread of 3 and a base frequency of 0.1Hz will produce harmonics at 0.3Hz, 0.9Hz, 2.7Hz, etc.. This parameter is only valid for the Harmonic Summation type.",
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      "name": "Harmonic Gain",
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      "description": "gain - Amount of the Harmonic Gain layered on top of the base frequency.",
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      "name": "Roughness",
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      "description": "rough - Controls the effect of the higher frequency noise. When roughness is zero, all harmonics above the base frequency have no effect. At one, all harmonics are equal in amplitude to the base frequency. When roughness is between one and zero, the amplitude of higher harmonics drops off exponentially from the base frequency.\t\nThe default roughness is 0.5. This means the amplitude of the first harmonic is 0.5 of the base frequency, the second is 0.25, the third is 0.125. The harmonics are added to the base to give the final shape. The Harmonics parameter and the Roughness parameter must both be non-zero to see the harmonic effects.",
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      "name": "Exponent",
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      "description": "exp - Pushes the noise values toward 0, or +1 and -1. (It raises the value to the power of the exponent.) Exponents greater than one will pull the channel toward zero, and powers less than one will pull peaks towards +1 and -1. It is used to reshape the channels.",
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      "description": "amp - Defines the noise value's amplitude (a scale on the values output).",
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      "description": "offset - Defines the midpoint color of the noise pattern, the default is 0.5 grey.",
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      "description": "aspectcorrect - Controls if the noise takes aspect ratio into account when calculating it's noise coordinates. When this is off, the noise will stretch to fit a non-square aspect ratio texture.",
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      "label": "Transform Order",
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      "description": "xord -  - The menu attached to this parameter allows you to specify the order in which the transforms will take place. Changing the Transform order will change where things go much the same way as going a block and turning east gets you to a different place than turning east and then going a block.\n\n srt - str - rst - rts - tsr - trs -",
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      "description": "rord -  - The rotational matrix presented when you click on this option allows you to set the transform order for the rotations. As with transform order (above), changing the order in which the rotations take place will alter the final position.\n\n xyz - xzy - yxz - yzx - zxy - zyx -",
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      "id": null,
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      "label": "Rx Ry Rz",
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      "label": "Translate",
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      "description": "t -  - Translate the sampling plane through the noise space.\n\n tx - ty - tz -",
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      "description": "s -  - Scale the sampling plane.\n\n sx - sy - sz -",
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      "description": "p -  - Control the pivot for the transform of the sampling plane.\n\n px - py - pz -",
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      "description": "dither - Dithers the output to help deal with banding and other artifacts created by precision limitations of 8-bit displays.",
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      "label": "Derivative (Slope)",
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      "name": "Output Resolution",
      "label": "Output Resolution",
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      "description": "outputresolution -  - quickly change the resolution of the 's data.\n\n useinput - Uses the input's resolution. eighth - Multiply the input's resolution by that amount. quarter - Multiply the input's resolution by that amount. half - Multiply the input's resolution by that amount. 2x - Multiply the input's resolution by that amount. 4x - Multiply the input's resolution by that amount. 8x - Multiply the input's resolution by that amount. fit - Grow or shrink the input resolution to fit this resolution, while keeping the aspect ratio the same. limit - Limit the input resolution to be not larger than this resolution, while keeping the aspect ratio the same. custom - Directly control the width and height.",
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      "label": "Use Input",
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      "description": "useinput - Uses the input's resolution. eighth - Multiply the input's resolution by that amount. quarter - Multiply the input's resolution by that amount. half - Multiply the input's resolution by that amount. 2x - Multiply the input's resolution by that amount. 4x - Multiply the input's resolution by that amount. 8x - Multiply the input's resolution by that amount. fit - Grow or shrink the input resolution to fit this resolution, while keeping the aspect ratio the same. limit - Limit the input resolution to be not larger than this resolution, while keeping the aspect ratio the same. custom - Directly control the width and height.",
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      "label": "Resolution",
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      "description": "resolution -  - Enabled only when the  parameter is set to Custom . Some Generators like Constant and Ramp do not use inputs and only use this field to determine their size. The drop down menu on the right provides some commonly used resolutions.\n\n resolutionw - resolutionh -",
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      "name": "W",
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      "description": "resmenu - A drop-down menu with some commonly used resolutions.",
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      "name": "Use Global Res Multiplier",
      "label": "Use Global Res Multiplier",
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      "label": "Input Smoothness",
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      "description": "inputfiltertype -  - This controls pixel filtering on the input image of the .\n\n nearest - Uses nearest pixel or accurate image representation. Images will look jaggy when viewing at any zoom level other than Native . linear - Uses linear filtering between pixels. This is how you get  images in viewers to look good at various zoom levels, especially useful when using any Fill Viewer setting other than Native . mipmap - Uses  mipmap filtering when scaling images. This can be used to reduce artifacts and sparkling in moving/scaling images that have lots of detail.",
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      "label": "Nearest Pixel",
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      "description": "nearest - Uses nearest pixel or accurate image representation. Images will look jaggy when viewing at any zoom level other than Native . linear - Uses linear filtering between pixels. This is how you get  images in viewers to look good at various zoom levels, especially useful when using any Fill Viewer setting other than Native . mipmap - Uses  mipmap filtering when scaling images. This can be used to reduce artifacts and sparkling in moving/scaling images that have lots of detail.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
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      "order": 0,
      "isVisible": true,
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      "lastUpdated": "2025-08-08T00:37:48.049Z",
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      "id": null,
      "name": "Fill Viewer",
      "label": "Fill Viewer",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
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      "allowCustom": false,
      "maxLength": null,
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      "isArray": false,
      "arraySize": 1,
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      "description": "fillmode -  - Determine how the  image is displayed in the viewer.\nNOTE:To get an understanding of how TOPs work with images, you will want to set this to Native  as you lay down TOPs when starting out. This will let you see what is actually happening without any automatic viewer resizing.\n\n\n useinput - Uses the same Fill Viewer settings as it's input. fill - Stretches the image to fit the edges of the viewer. width - Stretches image to fit viewer horizontally. height - Stretches image to fit viewer vertically. best - Stretches or squashes image so no part of image is cropped. outside - Stretches or squashes image so image fills viewer while constraining it's proportions. This often leads to part of image getting cropped by viewer. nativeres - Displays the native resolution of the image in the viewer.",
      "tooltip": "",
      "help": "",
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      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
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      "isPython": false,
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      "expressionLanguage": "",
      "defaultExpression": "",
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      "order": 0,
      "isVisible": true,
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      "isValid": true,
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      "lastUpdated": "2025-08-08T00:37:48.049Z",
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      "name": "Use Input",
      "label": "Use Input",
      "group": "General",
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      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
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      "description": "useinput - Uses the same Fill Viewer settings as it's input. fill - Stretches the image to fit the edges of the viewer. width - Stretches image to fit viewer horizontally. height - Stretches image to fit viewer vertically. best - Stretches or squashes image so no part of image is cropped. outside - Stretches or squashes image so image fills viewer while constraining it's proportions. This often leads to part of image getting cropped by viewer. nativeres - Displays the native resolution of the image in the viewer.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
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      "isPython": false,
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      "expressionLanguage": "",
      "defaultExpression": "",
      "commonExpressions": [],
      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-08T00:37:48.050Z",
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      "id": null,
      "name": "Viewer Smoothness",
      "label": "Viewer Smoothness",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
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      "allowCustom": false,
      "maxLength": null,
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      "isArray": false,
      "arraySize": 1,
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      "description": "filtertype -  - This controls pixel filtering in the viewers.\n\n nearest - Uses nearest pixel or accurate image representation. Images will look jaggy when viewing at any zoom level other than Native . linear - Uses linear filtering between pixels. Use this to get  images in viewers to look good at various zoom levels, especially useful when using any Fill Viewer setting other than Native . mipmap - Uses  mipmap filtering when scaling images. This can be used to reduce artifacts and sparkling in moving/scaling images that have lots of detail. When the input is 32-bit float format, only nearest filtering will be used (regardless of what is selected).",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
      "affects": [],
      "linkedTo": [],
      "expressionLanguage": "",
      "defaultExpression": "",
      "commonExpressions": [],
      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-08T00:37:48.050Z",
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    },
    {
      "id": null,
      "name": "Nearest Pixel",
      "label": "Nearest Pixel",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
      "maxValue": null,
      "step": null,
      "menuItems": [],
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      "isArray": false,
      "arraySize": 1,
      "dimensions": 1,
      "description": "nearest - Uses nearest pixel or accurate image representation. Images will look jaggy when viewing at any zoom level other than Native . linear - Uses linear filtering between pixels. Use this to get  images in viewers to look good at various zoom levels, especially useful when using any Fill Viewer setting other than Native . mipmap - Uses  mipmap filtering when scaling images. This can be used to reduce artifacts and sparkling in moving/scaling images that have lots of detail. When the input is 32-bit float format, only nearest filtering will be used (regardless of what is selected).",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
      "affects": [],
      "linkedTo": [],
      "expressionLanguage": "",
      "defaultExpression": "",
      "commonExpressions": [],
      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-08T00:37:48.050Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Passes",
      "label": "Passes",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
      "maxValue": null,
      "step": null,
      "menuItems": [],
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      "allowCustom": false,
      "maxLength": null,
      "pattern": null,
      "isArray": false,
      "arraySize": 1,
      "dimensions": 1,
      "description": "npasses - Duplicates the operation of the  the specified number of times. For every pass after the first it takes the result of the previous pass and replaces the node's first input with the result of the previous pass. One exception to this is the GLSL TOP when using compute shaders, where the input will continue to be the connected 's image.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
      "affects": [],
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      "defaultExpression": "",
      "commonExpressions": [],
      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-08T00:37:48.050Z",
      "rawData": {},
      "sourceElement": null
    },
    {
      "id": null,
      "name": "Channel Mask",
      "label": "Channel Mask",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
      "maxValue": null,
      "step": null,
      "menuItems": [],
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      "allowCustom": false,
      "maxLength": null,
      "pattern": null,
      "isArray": false,
      "arraySize": 1,
      "dimensions": 1,
      "description": "chanmask - Allows you to choose which channels (R, G, B, or A) the  will operate on. All channels are selected by default.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
      "isHidden": false,
      "isAnimatable": true,
      "isExpression": false,
      "isPython": false,
      "dependsOn": [],
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      "linkedTo": [],
      "expressionLanguage": "",
      "defaultExpression": "",
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      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
      "validationErrors": [],
      "lastUpdated": "2025-08-08T00:37:48.050Z",
      "rawData": {},
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    },
    {
      "id": null,
      "name": "Pixel Format",
      "label": "Pixel Format",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
      "minValue": null,
      "maxValue": null,
      "step": null,
      "menuItems": [],
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      "allowCustom": false,
      "maxLength": null,
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      "isArray": false,
      "arraySize": 1,
      "dimensions": 1,
      "description": "format -  - Format used to store data for each channel in the image (ie. R, G, B, and A). Refer to Pixel Formats for more information.\n\n useinput - Uses the input's pixel format. rgba8fixed - Uses 8-bit integer values for each channel. srgba8fixed - Uses 8-bit integer values for each channel and stores color in sRGB colorspace. Note that this does not apply an sRGB curve to the pixel values, it only stores them using an sRGB curve. This means more data is used for the darker values and less for the brighter values. When the values are read downstream they will be converted back to linear. For more information refer to sRGB. rgba16float - Uses 16-bits per color channel, 64-bits per pixel. rgba32float - Uses 32-bits per color channel, 128-bits per pixels. rgb10a2fixed - Uses 10-bits per color channel and 2-bits for alpha, 32-bits total per pixel. rgba16fixed - Uses 16-bits per color channel, 64-bits total per pixel. rgba11float - A RGB floating point format that has 11 bits for the Red and Green channels, and 10-bits for the Blue , 32-bits total per pixel (therefore the same memory usage as 8-bit RGBA). The Alpha channel in this format will always be 1. Values can go above one, but can't be negative. ie. the range is [0, infinite). rgb16float - rgb32float - mono8fixed - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 8-bits per pixel. mono16fixed - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 16-bits per pixel. mono16float - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 16-bits per pixel. mono32float - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 32-bits per pixel. rg8fixed - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 8-bits per channel, 16-bits total per pixel. rg16fixed - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 16-bits per channel, 32-bits total per pixel. rg16float - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 16-bits per channel, 32-bits total per pixel. rg32float - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 32-bits per channel, 64-bits total per pixel. a8fixed - An Alpha only format that has 8-bits per channel, 8-bits per pixel. a16fixed - An Alpha only format that has 16-bits per channel, 16-bits per pixel. a16float - An Alpha only format that has 16-bits per channel, 16-bits per pixel. a32float - An Alpha only format that has 32-bits per channel, 32-bits per pixel. monoalpha8fixed - A 2 channel format, one value for RGB and one value for Alpha. 8-bits per channel, 16-bits per pixel. monoalpha16fixed - A 2 channel format, one value for RGB and one value for Alpha. 16-bits per channel, 32-bits per pixel. monoalpha16float - A 2 channel format, one value for RGB and one value for Alpha. 16-bits per channel, 32-bits per pixel. monoalpha32float - A 2 channel format, one value for RGB and one value for Alpha. 32-bits per channel, 64-bits per pixel.",
      "tooltip": "",
      "help": "",
      "units": "",
      "examples": [],
      "isReadOnly": false,
      "isAdvanced": false,
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      "isAnimatable": true,
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      "dependsOn": [],
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      "order": 0,
      "isVisible": true,
      "conditionalDisplay": null,
      "isValid": true,
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      "lastUpdated": "2025-08-08T00:37:48.050Z",
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      "id": null,
      "name": "Use Input",
      "label": "Use Input",
      "group": "General",
      "page": "",
      "type": "float",
      "dataType": "number",
      "style": "",
      "defaultValue": null,
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      "description": "useinput - Uses the input's pixel format. rgba8fixed - Uses 8-bit integer values for each channel. srgba8fixed - Uses 8-bit integer values for each channel and stores color in sRGB colorspace. Note that this does not apply an sRGB curve to the pixel values, it only stores them using an sRGB curve. This means more data is used for the darker values and less for the brighter values. When the values are read downstream they will be converted back to linear. For more information refer to sRGB. rgba16float - Uses 16-bits per color channel, 64-bits per pixel. rgba32float - Uses 32-bits per color channel, 128-bits per pixels. rgb10a2fixed - Uses 10-bits per color channel and 2-bits for alpha, 32-bits total per pixel. rgba16fixed - Uses 16-bits per color channel, 64-bits total per pixel. rgba11float - A RGB floating point format that has 11 bits for the Red and Green channels, and 10-bits for the Blue , 32-bits total per pixel (therefore the same memory usage as 8-bit RGBA). The Alpha channel in this format will always be 1. Values can go above one, but can't be negative. ie. the range is [0, infinite). rgb16float - rgb32float - mono8fixed - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 8-bits per pixel. mono16fixed - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 16-bits per pixel. mono16float - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 16-bits per pixel. mono32float - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 32-bits per pixel. rg8fixed - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 8-bits per channel, 16-bits total per pixel. rg16fixed - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 16-bits per channel, 32-bits total per pixel. rg16float - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 16-bits per channel, 32-bits total per pixel. rg32float - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 32-bits per channel, 64-bits total per pixel. a8fixed - An Alpha only format that has 8-bits per channel, 8-bits per pixel. a16fixed - An Alpha only format that has 16-bits per channel, 16-bits per pixel. a16float - An Alpha only format that has 16-bits per channel, 16-bits per pixel. a32float - An Alpha only format that has 32-bits per channel, 32-bits per pixel. monoalpha8fixed - A 2 channel format, one value for RGB and one value for Alpha. 8-bits per channel, 16-bits per pixel. monoalpha16fixed - A 2 channel format, one value for RGB and one value for Alpha. 16-bits per channel, 32-bits per pixel. monoalpha16float - A 2 channel format, one value for RGB and one value for Alpha. 16-bits per channel, 32-bits per pixel. monoalpha32float - A 2 channel format, one value for RGB and one value for Alpha. 32-bits per channel, 64-bits per pixel.",
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      "isReadOnly": false,
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      "order": 0,
      "isVisible": true,
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  "keywords": [
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