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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": "merge_chop",
"name": "Merge CHOP",
"displayName": "Merge CHOP",
"category": "CHOP",
"subcategory": "Generators",
"version": "Available since TouchDesigner 2018+",
"lastUpdated": "2025-08-07T07:50:03.878Z",
"sourceFile": "C:\\Program Files\\Derivative\\TouchDesigner\\Samples\\Learn\\OfflineHelp\\https.docs.derivative.ca\\Merge_CHOP.htm",
"url": "",
"description": "The Merge CHOP takes multiple inputs and merges them into the output. All the channels of the input appear in the output. The channel order is the channels of the first input followed by the channels of the second input, and so on.",
"summary": "The Merge CHOP takes multiple inputs and merges them into the output. All the channels of the input appear in the output. The channel order is the channels of the first input followed by the channels ",
"details": "",
"usage": "",
"tips": [
"Merge CHOP combines channels from multiple input CHOPs into one CHOP.",
"Use Duplicate Names to control how channels with the same name are handled.",
"Great for collecting channels from different sources into a single CHOP for export."
],
"warnings": [],
"parameters": [
{
"id": null,
"name": "Align",
"label": "Align",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
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"minValue": null,
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"menuLabels": [],
"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "This menu handles cases where multiple input CHOPs have different start or end times.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
"dependsOn": [],
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"expressionLanguage": "",
"defaultExpression": "",
"commonExpressions": [],
"order": 0,
"isVisible": true,
"conditionalDisplay": null,
"isValid": true,
"validationErrors": [],
"lastUpdated": "2025-08-07T07:50:03.873Z",
"rawData": {},
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{
"id": null,
"name": "Automatic",
"label": "Automatic",
"group": "General",
"page": "",
"type": "float",
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"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "Automatic parameter.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
"dependsOn": [],
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"expressionLanguage": "",
"defaultExpression": "",
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"order": 0,
"isVisible": true,
"conditionalDisplay": null,
"isValid": true,
"validationErrors": [],
"lastUpdated": "2025-08-07T07:50:03.877Z",
"rawData": {},
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},
{
"id": null,
"name": "Duplicate Names",
"label": "Duplicate Names",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
"menuItems": [],
"menuLabels": [],
"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "duplicate - - When channels of the input CHOPs have the same name, this menu determines what to do.\n\n unique - Include all the input channels, and when there is a conflict of name, make the new channel's name similar but unique by adding digits to the name. first - Include the channel of the first input which the name appears in, and discard any further channels with the same name. last - Include the channel of the last input which the name appears in, and discard any other channels with the same name. replace -",
"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": "2025-08-07T07:50:03.877Z",
"rawData": {},
"sourceElement": null
},
{
"id": null,
"name": "Make Unique",
"label": "Make Unique",
"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,
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"description": "unique - Include all the input channels, and when there is a conflict of name, make the new channel's name similar but unique by adding digits to the name. first - Include the channel of the first input which the name appears in, and discard any further channels with the same name. last - Include the channel of the last input which the name appears in, and discard any other channels with the same name. replace -",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
"dependsOn": [],
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"linkedTo": [],
"expressionLanguage": "",
"defaultExpression": "",
"commonExpressions": [],
"order": 0,
"isVisible": true,
"conditionalDisplay": null,
"isValid": true,
"validationErrors": [],
"lastUpdated": "2025-08-07T07:50:03.877Z",
"rawData": {},
"sourceElement": null
},
{
"id": null,
"name": "Time Slice",
"label": "Time Slice",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
"menuItems": [],
"menuLabels": [],
"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "timeslice - Turning this on forces the channels to be \"Time Sliced\". A is the time between the last cook frame and the current cook frame.",
"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": "2025-08-07T07:50:03.877Z",
"rawData": {},
"sourceElement": null
},
{
"id": null,
"name": "Scope",
"label": "Scope",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
"menuItems": [],
"menuLabels": [],
"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "scope - To determine which channels get affected, some CHOPs use a string on the Common page. See Pattern Matching.",
"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": "2025-08-07T07:50:03.877Z",
"rawData": {},
"sourceElement": null
},
{
"id": null,
"name": "Sample Rate Match",
"label": "Sample Rate Match",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
"menuItems": [],
"menuLabels": [],
"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "srselect - - Handle cases where multiple input CHOPs' sample rates are different. When Resampling occurs, the curves are interpolated according to the Interpolation Method Option, or \"Linear\" if the Interpolate Options are not available.\n\n first - Use rate of first input to resample others. max - Resample to the highest sample rate. min - Resample to the lowest sample rate. err - Doesn't accept conflicting sample rates.",
"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": "2025-08-07T07:50:03.877Z",
"rawData": {},
"sourceElement": null
},
{
"id": null,
"name": "Resample At First Input's Rate",
"label": "Resample At First Input's Rate",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
"menuItems": [],
"menuLabels": [],
"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "first - Use rate of first input to resample others. max - Resample to the highest sample rate. min - Resample to the lowest sample rate. err - Doesn't accept conflicting sample rates.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
"dependsOn": [],
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"expressionLanguage": "",
"defaultExpression": "",
"commonExpressions": [],
"order": 0,
"isVisible": true,
"conditionalDisplay": null,
"isValid": true,
"validationErrors": [],
"lastUpdated": "2025-08-07T07:50:03.877Z",
"rawData": {},
"sourceElement": null
},
{
"id": null,
"name": "Export Method",
"label": "Export Method",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"menuItems": [],
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"allowCustom": false,
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"isArray": false,
"arraySize": 1,
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"description": "exportmethod - - This will determine how to connect the channel to the parameter. Refer to the Export article for more information.\n\n datindex - Uses the docked table and references the channel via the index of the channel in the . datname - Uses the docked table and references the channel via the name of the channel in the . autoname - The channel is the full destination of where to export to, such has geo1/transform1:tx.",
"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": "2025-08-07T07:50:03.877Z",
"rawData": {},
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},
{
"id": null,
"name": "DAT Table by Index",
"label": "DAT Table by Index",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"description": "datindex - Uses the docked table and references the channel via the index of the channel in the . datname - Uses the docked table and references the channel via the name of the channel in the . autoname - The channel is the full destination of where to export to, such has geo1/transform1:tx.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
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},
{
"id": null,
"name": "Export Root",
"label": "Export Root",
"group": "General",
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"type": "float",
"dataType": "number",
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"arraySize": 1,
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"description": "autoexportroot - This path points to the root node where all of the paths that exporting by Channel Name is : are relative to.",
"tooltip": "",
"help": "",
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"examples": [],
"isReadOnly": false,
"isAdvanced": false,
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{
"id": null,
"name": "Export Table",
"label": "Export Table",
"group": "General",
"page": "",
"type": "float",
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"description": "exporttable - The used to hold the export information when using the Table Methods (See above).",
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}
],
"parameterGroups": {},
"codeExamples": [],
"pythonExamples": [
{
"title": "Merge Multiple CHOPs",
"code": "# Reference merged channels\nmerge = op('merge1')\nfor chan in merge.chans():\n print(f'{chan.name}: {chan[0]}')",
"description": "Access merged CHOP channel data"
}
],
"expressions": [],
"commonInputs": [],
"commonOutputs": [],
"relatedOperators": [],
"workflowPatterns": [],
"images": [],
"videos": [],
"assets": [],
"keywords": [
"merge",
"chop",
"takes",
"multiple",
"inputs",
"merges",
"them",
"into",
"output.",
"channels"
],
"tags": [
"CHOP",
"TouchDesigner",
"Merge CHOP"
],
"searchWeight": 1,
"contentHash": "",
"processingDate": "2025-08-07T07:50:03.878Z",
"processingVersion": "1.0.0",
"isValid": true,
"validationErrors": []
}