@bottobot/td-mcp
Version:
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": "chroma_key_top",
"name": "Chroma Key TOP",
"displayName": "Chroma Key TOP",
"category": "TOP",
"subcategory": "Filters",
"version": "",
"lastUpdated": "2025-08-07T07:49:58.312Z",
"sourceFile": "C:\\Program Files\\Derivative\\TouchDesigner\\Samples\\Learn\\OfflineHelp\\https.docs.derivative.ca\\Chroma_Key_TOP.htm",
"url": "",
"description": "The Chroma Key TOP pulls a key matte from the image using Hue, Saturation, and Value settings. If a pixel falls between the Min and Max parameters for all three settings, then it is included in the key. It outputs an alpha map, or the image with the key color removed.",
"summary": "The Chroma Key TOP pulls a key matte from the image using Hue, Saturation, and Value settings. If a pixel falls between the Min and Max parameters for all three settings, then it is included in the ke",
"details": "",
"usage": "",
"tips": [],
"warnings": [],
"parameters": [
{
"id": null,
"name": "Hue Min",
"label": "Hue Min",
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"description": "The minimum hue value that is added to the chroma key.",
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"description": "huemax - The maximum hue value that is added to the key. 0 = min, 360 = max.",
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"description": "hsoftlow - The rate of falloff at the Hue Min setting.",
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"description": "satmin - The minimum saturation value that is added to the key.",
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"description": "valmin - The minimum value that is added to the key.",
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"name": "Invert New Alpha",
"label": "Invert New Alpha",
"group": "General",
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"description": "invert - Inverts the key that is created.",
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"name": "RGB Output",
"label": "RGB Output",
"group": "General",
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"description": "rgbout - - Determines the output of the RGB channels from the Chroma Key .\n\n multalpha - Multiplies the original image with the key that is created. This has the effect of removing the parts of the image that are not included in the key. newalpha - Sets R, G, and B channels equal to the key that has been pulled.",
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"name": "Source RGB * New Alpha",
"label": "Source RGB * New Alpha",
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"description": "multalpha - Multiplies the original image with the key that is created. This has the effect of removing the parts of the image that are not included in the key. newalpha - Sets R, G, and B channels equal to the key that has been pulled.",
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"description": "alphaout - - Determines the output of the Alpha channel from the Chroma Key .\n\n newalpha1 - Sets the Alpha ouput to be the key that has been pulled. multnewalpha - Multiplies the original alpha channel with the new key that has been pulled.",
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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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"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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"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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"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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