@bottobot/td-mcp
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TouchDesigner MCP Server v2.8.0 - 21 MCP tools, 629 operators with clean parameter data, 69 Python API classes, 14 tutorials, 32 workflow patterns. Includes version system, experimental techniques KB, core tool enhancements, and experimental build support
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JSON
{
"id": "level_top",
"name": "Level TOP",
"displayName": "Level TOP",
"category": "TOP",
"subcategory": "Filters",
"version": "Available since TouchDesigner 2018+",
"lastUpdated": "2025-08-07T07:50:03.090Z",
"sourceFile": "C:\\Program Files\\Derivative\\TouchDesigner\\Samples\\Learn\\OfflineHelp\\https.docs.derivative.ca\\Level_TOP.htm",
"url": "",
"description": "The Level TOP adjusts image contrast, brightness, gamma, black level, color range, quantization, opacity and more. See also the Luma Level TOP which preserves hue and saturation more accurately, but is slower.",
"summary": "The Level TOP adjusts image contrast, brightness, gamma, black level, color range, quantization, opacity and more. See also the Luma Level TOP which preserves hue and saturation more accurately, but i",
"details": "",
"usage": "",
"tips": [
"Use Level TOP for quick brightness, contrast, and gamma adjustments.",
"The Opacity parameter is great for fading textures in and out.",
"Combine with Composite TOP for layered effects."
],
"warnings": [],
"parameters": [
{
"id": null,
"name": "Clamp Input",
"label": "Clamp Input",
"group": "General",
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"description": "This option will clamp pixel values in between 0 and 1.",
"tooltip": "",
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"isReadOnly": false,
"isAdvanced": false,
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"name": "Automatic",
"label": "Automatic",
"group": "General",
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"description": "automatic - Detects pixel format and clamps if 8-bit fixed or leaves unclamped for floating point pixel formats. clamp - Clamps data to values between 0 and 1. Recommended for 8-bit fixed default pixel format for better performance. unclamped - No clamping of data, use for higher bit-depth pixel formats.",
"tooltip": "",
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"isAnimatable": true,
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"id": null,
"name": "Invert",
"label": "Invert",
"group": "General",
"page": "",
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"description": "invert - Inverts the colors in the image. Black becomes white, white becomes black. Colors invert across the color wheel, so red becomes cyan, blue becomes yellow, green becomes magenta, and so on.",
"tooltip": "",
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"name": "Black Level",
"label": "Black Level",
"group": "General",
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"description": "blacklevel - Any pixel with a value less than or equal to this will be black.",
"tooltip": "",
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"isReadOnly": false,
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"id": null,
"name": "Brightness 1",
"label": "Brightness 1",
"group": "General",
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"description": "brightness1 - Increases or decreases the brightness of an image. Brightness can be considered the arithmetic mean of the RGB channels. The Brightness parameter adds or subtracts an offset into the R, G, and B channels. Low brightness will result in dark tones, while high brightness will wash the color out towards white.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
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"name": "Gamma 1",
"label": "Gamma 1",
"group": "General",
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"description": "gamma1 - The Gamma parameter applies a gamma correction to the image. Gamma is the relationship between the brightness of a pixel as it appears on the screen, and the numerical value of that pixel. This is often represented by a gamma curve. The difference between brightness and gamma is that gamma also affects the ratio of red to green to blue. A straight, linear gamma curve with a value of 1 means no change.",
"tooltip": "",
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"name": "Contrast",
"label": "Contrast",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
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"description": "contrast - Contrast applies a scale factor (gain) to the RGB channels. Increasing contrast will brighten the light areas and darken the dark areas of the image, making the difference between the light and dark areas of the image stronger.",
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"name": "In Low",
"label": "In Low",
"group": "General",
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"description": "inlow - Any pixel below this value appears black.",
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"label": "In High",
"group": "General",
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"description": "inhigh - Any pixel above this value appears white.",
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"label": "Out Low",
"group": "General",
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"description": "outlow - Clamps pixel values to this value or higher.",
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"label": "Out High",
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"description": "outhigh - Clamps pixel values to this value or lower.",
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"name": "Low R",
"label": "Low R",
"group": "General",
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"description": "lowr - Clamps the minimum level of the red channel.",
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"name": "Low G",
"label": "Low G",
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"description": "lowg - Clamps the minimum level of the green channel.",
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"description": "lowb - Clamps the minimum level of the blue channel.",
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"description": "lowa - Clamps the minimum level of the alpha channel.",
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"name": "Apply Stepping",
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"description": "stepping - Turns on stepping (posterizing) and enables the parameters below.",
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"description": "stepsize - Posterizes the image into bands or stripes. Number of bands equal to the inverse of this parameter (i.e., 0.25 = 4 bands). Use a default Ramp to easily see this parameter's effect.",
"tooltip": "",
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"units": "",
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"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
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"id": null,
"name": "Threshold",
"label": "Threshold",
"group": "General",
"page": "",
"type": "float",
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"defaultValue": null,
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"description": "threshold - Offsets the position of the step boundaries.",
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"name": "Clamp Low",
"label": "Clamp Low",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"description": "clamplow - Clamps the image's minimum value. (value as in hue, saturation, and value)",
"tooltip": "",
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"isReadOnly": false,
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"isHidden": false,
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"name": "Clamp High",
"label": "Clamp High",
"group": "General",
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"description": "clamphigh - Clamps the image's maximum value. (value as in hue, saturation, and value)",
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{
"id": null,
"name": "Soften",
"label": "Soften",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
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"allowCustom": false,
"maxLength": null,
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"arraySize": 1,
"dimensions": 1,
"description": "soften - Softens or blends the boundaries between steps.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
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{
"id": null,
"name": "Gamma 2",
"label": "Gamma 2",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"menuLabels": [],
"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "gamma2 - A second gamma correction that is added after the Range, RGBA, and Step page adjustments have been applied.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
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"order": 0,
"isVisible": true,
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"lastUpdated": "2025-08-07T07:50:03.088Z",
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{
"id": null,
"name": "Opacity",
"label": "Opacity",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "opacity - Adjust the opacity, or transparency, of the image.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
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"order": 0,
"isVisible": true,
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"id": null,
"name": "Brightness 2",
"label": "Brightness 2",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"allowCustom": false,
"maxLength": null,
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"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "brightness2 - A second brightness adjustment that is added after the Range, RGBA, and Step page adjustments have been applied.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
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"order": 0,
"isVisible": true,
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"lastUpdated": "2025-08-07T07:50:03.088Z",
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"id": null,
"name": "Clamp",
"label": "Clamp",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"allowCustom": false,
"maxLength": null,
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"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "clamp - Clamps pixel values to this value or lower.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
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"order": 0,
"isVisible": true,
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{
"id": null,
"name": "Pre-Multiply RGB by Alpha",
"label": "Pre-Multiply RGB by Alpha",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "premultrgbbyalpha - This option makes the color channels pre-multiplied by alpha.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
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"order": 0,
"isVisible": true,
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"lastUpdated": "2025-08-07T07:50:03.088Z",
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"id": null,
"name": "Output Resolution",
"label": "Output Resolution",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"arraySize": 1,
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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 - Fits the width and height to the resolution given below, while maintaining the aspect ratio. limit - The width and height are limited to the resolution given below. If one of the dimensions exceeds the given resolution, the width and height will be reduced to fit inside the given limits while maintaining the aspect ratio. custom - Enables the parameter below, giving direct control over width and height.",
"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,
"conditionalDisplay": null,
"isValid": true,
"validationErrors": [],
"lastUpdated": "2025-08-07T07:50:03.088Z",
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"id": null,
"name": "Use Input",
"label": "Use Input",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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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 - Fits the width and height to the resolution given below, while maintaining the aspect ratio. limit - The width and height are limited to the resolution given below. If one of the dimensions exceeds the given resolution, the width and height will be reduced to fit inside the given limits while maintaining the aspect ratio. custom - Enables the parameter below, giving direct control over width and height.",
"tooltip": "",
"help": "",
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"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
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"order": 0,
"isVisible": true,
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"lastUpdated": "2025-08-07T07:50:03.088Z",
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"id": null,
"name": "Resolution",
"label": "Resolution",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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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 -",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
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"id": null,
"name": "W",
"label": "W",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"arraySize": 1,
"dimensions": 1,
"description": "resolutionw - resolutionh -",
"tooltip": "",
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"id": null,
"name": "Resolution Menu",
"label": "Resolution Menu",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "resmenu - A drop-down menu with some commonly used resolutions.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
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{
"id": null,
"name": "Use Global Res Multiplier",
"label": "Use Global Res Multiplier",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"description": "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.",
"tooltip": "",
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"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
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"id": null,
"name": "Output Aspect",
"label": "Output Aspect",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"allowCustom": false,
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"description": "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.",
"tooltip": "",
"help": "",
"units": "",
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"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
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"order": 0,
"isVisible": true,
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"lastUpdated": "2025-08-07T07:50:03.089Z",
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"id": null,
"name": "Aspect",
"label": "Aspect",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "aspect - - Use when Output Aspect parameter is set to Custom Aspect.\n\n aspect1 - aspect2 -",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
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"isVisible": true,
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"lastUpdated": "2025-08-07T07:50:03.089Z",
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"id": null,
"name": "Aspect1",
"label": "Aspect1",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"step": null,
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"arraySize": 1,
"dimensions": 1,
"description": "aspect1 - aspect2 -",
"tooltip": "",
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"isAdvanced": false,
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"isExpression": false,
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"lastUpdated": "2025-08-07T07:50:03.089Z",
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"id": null,
"name": "Aspect Menu",
"label": "Aspect Menu",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "armenu - A drop-down menu with some commonly used aspect ratios.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
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"isVisible": true,
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"lastUpdated": "2025-08-07T07:50:03.089Z",
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{
"id": null,
"name": "Input Smoothness",
"label": "Input Smoothness",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
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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.",
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"id": null,
"name": "Passes",
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"description": "npasses - Duplicates the operation of the the specified number of times. Making this larger than 1 is essentially the same as taking the output from each pass, and passing it into the first input of the node and repeating the process. Other inputs and parameters remain the same for each pass.",
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"id": null,
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"description": "chanmask - Allows you to choose which channels (R, G, B, or A) the will operate on. All channels are selected by default.",
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],
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"title": "Adjust Levels",
"code": "# Configure Level TOP\nlevel = op('level1')\nlevel.par.opacity = 0.8\nlevel.par.brightness1 = 1.2 # Increase brightness\nlevel.par.gamma1 = 0.8 # Adjust gamma\nlevel.par.contrast = 1.1 # Boost contrast",
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}
],
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