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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": "polyspline_sop",
"name": "Polyspline SOP",
"displayName": "Polyspline SOP",
"category": "SOP",
"subcategory": "Generators",
"version": "",
"lastUpdated": "2025-08-07T07:50:07.814Z",
"sourceFile": "C:\\Program Files\\Derivative\\TouchDesigner\\Samples\\Learn\\OfflineHelp\\https.docs.derivative.ca\\Polyspline_SOP.htm",
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"description": "The Polyspline SOP fits a spline curve to a polygon or hull and outputs a polygonal approximation of that spline. You can choose either to create divisions between the original points, or to ignore the position of the original points and divide the shape into segments of equal lengths.",
"summary": "The Polyspline SOP fits a spline curve to a polygon or hull and outputs a polygonal approximation of that spline. You can choose either to create divisions between the original points, or to ignore th",
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"description": "basis - - Spline type to use. There are seven choices:\n\n bezier - Typical Bezier spline. sbezier - Variation on Bezier. c1bezier - Variation on Bezier. degree2 - Variation on Bezier. bspline - Softer curve does not pass through the original points of the Source. cardinal - The curve passes through the original points of the Source. linear - Straight line segments.",
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"description": "bezier - Typical Bezier spline. sbezier - Variation on Bezier. c1bezier - Variation on Bezier. degree2 - Variation on Bezier. bspline - Softer curve does not pass through the original points of the Source. cardinal - The curve passes through the original points of the Source. linear - Straight line segments.",
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"description": "closure - - Determines if the output spline is open or closed.\n\n cnone - Output spline open. calways - Output spline closed. cifpoly - Use the closure of the input face. In other words, Closed splines are created if the Source polygons are closed, open splines are created if the Source polygons are open.",
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"description": "cnone - Output spline open. calways - Output spline closed. cifpoly - Use the closure of the input face. In other words, Closed splines are created if the Source polygons are closed, open splines are created if the Source polygons are open.",
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"description": "divide - - Settings for refining the spline by adding extra divisions.\n\n standard - Do not resample curve. evenlen - Ensure equal segment lengths. evenx - Ensure segments have equal length in X. eveny - Ensure segments have equal length in Y. evenz - Ensure segments have equal length in Z.",
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"description": "standard - Do not resample curve. evenlen - Ensure equal segment lengths. evenx - Ensure segments have equal length in X. eveny - Ensure segments have equal length in Y. evenz - Ensure segments have equal length in Z.",
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"name": "Segment Length",
"label": "Segment Length",
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"description": "segsize - The length of the segments in the resampled curve.\t\n\t\t\nIf are selected, sets the length of output segments. The number of output segments is determined by .\t\t\nIf is zero, the number of output segments is calculated using the parameter, and is determined by how many segments of this size will fit into the overall shape.\t\t\nIf is selected, along with zero and of zero, an error message is generated, saying \"Invalid number of divisions or segment size\".",
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"description": "polydivs - Number of segments in the resampled curve.\t\nIf = is selected, this has no effect. If is selected, this parameter sets the number of edges that is created. The length of the segments is determined by . If is 0, the length of the output segments is determined by dividing the over all shape into this number of segments.\t\t\nIf the parameter is set to zero, the value of the parameter is used to calculate the number of .",
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"description": "edgedivs - Number of spline divisions before resampling.\t\nIf = is selected, this is the number of subdivisions for every edge. If is chosen, it has the subtle effect of determining the accuracy with which the segment lengths can be calculated.",
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"description": "first - Number of times to repeat the first control vertex, determining its multiplicity. This determines the number of times to replicate the first vertex of the Source polygon(s). This is most useful when the Source consists of open polygons; extra vertices at the beginning of the line will force the curve to extend to the beginning of the line. For example a value of two will force a curve to extend to its first vertex and a value of three will force a to start at is first vertex.",
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"description": "last - This determines the number of times to repeat the last control vertex, determining its multiplicity. This determines the number of times to replicate the last vertex of the Source polygon(s). This is most useful when the Source consists of open polygons; extra vertices at the end of the line will force the curve to extend to the end of the line.",
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"description": "tension - The tension exerted by the points from the Source polygons. The greater the tension, the closer the resulting shape will be to the original shape.",
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