Back to 3D Visualization (VTK)
vtk.polydata
Create PolyData geometry
Syntax
vtk.polydata(points, polys) vtk.polydata(points, polys, scalars)
Description
Creates a VTK PolyData visualization from points and polygon connectivity. Points should be an Nx3 matrix of [x, y, z] coordinates. Polys defines polygon connectivity. Optional scalars provide per-point coloring.
Parameters
| Name | Description |
|---|---|
| points | Nx3 matrix of point coordinates |
| polys | Polygon connectivity array (VTK format: [npts, p1, p2, ...]) |
| scalars(optional) | Per-point scalar values for coloring |
Returns
null (renders VTK visualization inline)
Examples
Try It
>> % Create a simple triangle points = [0 0 0; 1 0 0; 0.5 1 0]; polys = [3 0 1 2]; % triangle with 3 vertices vtk.polydata(points, polys)