@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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{
"id": "limit_top",
"name": "Limit TOP",
"displayName": "Limit TOP",
"category": "TOP",
"subcategory": "Filters",
"version": "",
"lastUpdated": "2025-08-07T07:50:03.249Z",
"sourceFile": "C:\\Program Files\\Derivative\\TouchDesigner\\Samples\\Learn\\OfflineHelp\\https.docs.derivative.ca\\Limit_TOP.htm",
"url": "",
"description": "The Limit TOP can limit the pixel values of the input image to fall between a minimum and maximum value, and can quantize the pixels by value or position.",
"summary": "The Limit TOP can limit the pixel values of the input image to fall between a minimum and maximum value, and can quantize the pixels by value or position.",
"details": "",
"usage": "",
"tips": [],
"warnings": [],
"parameters": [
{
"id": null,
"name": "Minimum Function",
"label": "Minimum Function",
"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": "Parameter of this operator. See operator description for details.",
"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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"isValid": true,
"validationErrors": [],
"lastUpdated": "2025-08-07T07:50:03.235Z",
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{
"id": null,
"name": "Off",
"label": "Off",
"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,
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"description": "off - No limits are applied to the pixel values. clamp - Pixel values are constrained to the ranged defined by the Minimum and Maximum parameters. Values outside of the range are replaced with the Minimum or Maximum value. loop - Values outside of the Minimum/Maximum range continue at the other end of the interval e.g. as values go above the Maximum they loop back and start again at the Minimum value. zigzag - When values go beyond the Minimum or Maximum values they mirror back towards the other end of the range e.g. when a value goes above the maximum it flips and starts going back to the minimum.",
"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": "2025-08-07T07:50:03.246Z",
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{
"id": null,
"name": "Maximum Function",
"label": "Maximum Function",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"description": "maxop - - The wrapping method used when applying limits to the pixel values in the image.\n\n off - No limits are applied to the pixel values. clamp - Pixel values are constrained to the ranged defined by the Minimum and Maximum parameters. Values outside of the range are replaced with the Minimum or Maximum value. loop - Values outside of the Minimum/Maximum range continue at the other end of the interval e.g. as values go above the Maximum they loop back and start again at the Minimum value. zigzag - When values go beyond the Minimum or Maximum values they mirror back towards the other end of the range e.g. when a value goes above the maximum it flips and starts going back to the minimum.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
"dependsOn": [],
"affects": [],
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"expressionLanguage": "",
"defaultExpression": "",
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"order": 0,
"isVisible": true,
"conditionalDisplay": null,
"isValid": true,
"validationErrors": [],
"lastUpdated": "2025-08-07T07:50:03.246Z",
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{
"id": null,
"name": "Minimum Value",
"label": "Minimum Value",
"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": "min - The minimum value that any of the channels in the output image can have.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
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"lastUpdated": "2025-08-07T07:50:03.246Z",
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{
"id": null,
"name": "Maximum Value",
"label": "Maximum Value",
"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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"isArray": false,
"arraySize": 1,
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"description": "max - The maximum value that any of the channels in the output image can have.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
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"lastUpdated": "2025-08-07T07:50:03.246Z",
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{
"id": null,
"name": "Positive Only",
"label": "Positive Only",
"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": "positive - Apply an absolute value function after all other limits and quantizations are calculated e.g. all negatives are made positive.",
"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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"isValid": true,
"validationErrors": [],
"lastUpdated": "2025-08-07T07:50:03.246Z",
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{
"id": null,
"name": "Normalize",
"label": "Normalize",
"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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"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "norm - Normalize values in the output image so that they are all scaled and shifted to fall between the Normalized Minimum and Maximum (0 to 1 by default). This operation requires multiple internal render passes and is slightly slower than other limit operations. Normalization is done after all other limits and quantizations are applied.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
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{
"id": null,
"name": "Normalize Minimum",
"label": "Normalize Minimum",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"allowCustom": false,
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"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "normmin - The minimum value for pixels after normalization.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
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"id": null,
"name": "Normalize Maximum",
"label": "Normalize Maximum",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"description": "normmax - The maximum value for pixels after normalization.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
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"order": 0,
"isVisible": true,
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"isValid": true,
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"lastUpdated": "2025-08-07T07:50:03.246Z",
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{
"id": null,
"name": "Quantize Value",
"label": "Quantize Value",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"description": "quantvalue - - The function used to quantize the pixel values in the output image.\n\n off - Pixel values are not quantized. ceiling - Pixel values are rounded up to the nearest quantization step. floor - Pixel values are rounded down to the nearest quantization step. round - Pixel values are rounded to the nearest quantization step.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
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"order": 0,
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"lastUpdated": "2025-08-07T07:50:03.246Z",
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},
{
"id": null,
"name": "Value Step",
"label": "Value Step",
"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": "vstep - The quantization step size for pixel values.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
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"order": 0,
"isVisible": true,
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"isValid": true,
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"lastUpdated": "2025-08-07T07:50:03.247Z",
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},
{
"id": null,
"name": "Value Offset",
"label": "Value Offset",
"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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"arraySize": 1,
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"description": "voffset - An offset for the quantization step so that it doesn't have to lie on zero.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
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"order": 0,
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"id": null,
"name": "Quantize Position",
"label": "Quantize Position",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"description": "quantpos - - The function used for spacial quantization e.g. quantizing the UV coordinates so that pixel values are merged into larger blocks.\n\n off - Position (spacial) quantization is not used. ceiling - Pixels are rounded up to the nearest spacial quantization step (towards the top-right). floor - Pixels are rounded down to the nearest spacial quantization step (towards the bottom-left). round - Pixels are rounded towards the nearest quantization step.",
"tooltip": "",
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"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
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"order": 0,
"isVisible": true,
"conditionalDisplay": null,
"isValid": true,
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"lastUpdated": "2025-08-07T07:50:03.247Z",
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},
{
"id": null,
"name": "Position Step",
"label": "Position Step",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"arraySize": 1,
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"description": "posstep - The size of the spacial quantization step in UV space (0-1)",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
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"id": null,
"name": "Position Offset",
"label": "Position Offset",
"group": "General",
"page": "",
"type": "float",
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"description": "posoffset - An offset applied to the spacial quantization so that the steps do not have to start at 0,0 (measured in 0-1 UV space).",
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"isReadOnly": false,
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"isExpression": false,
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"lastUpdated": "2025-08-07T07:50:03.247Z",
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{
"id": null,
"name": "Output Resolution",
"label": "Output Resolution",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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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.",
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{
"id": null,
"name": "Use Input",
"label": "Use Input",
"group": "General",
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"type": "float",
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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.",
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"name": "Resolution",
"label": "Resolution",
"group": "General",
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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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{
"id": null,
"name": "W",
"label": "W",
"group": "General",
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"type": "float",
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"description": "resolutionw - resolutionh -",
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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.",
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"description": "armenu - A drop-down menu with some commonly used aspect ratios.",
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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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"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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"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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