# TriangleColoredPoints

VTKExamples/Python//TriangleColoredPoints

### Code

TriangleColoredPoints.py

    import vtk
    from vtk import *

    #setup points and vertices
    Points = vtk.vtkPoints()
    Vertices = vtk.vtkCellArray()

    id = Points.InsertNextPoint(1.0, 0.0, 0.0)
    Vertices.InsertNextCell(1)
    Vertices.InsertCellPoint(id)
    id = Points.InsertNextPoint(0.0, 0.0, 0.0)
    Vertices.InsertNextCell(1)
    Vertices.InsertCellPoint(id)
    id = Points.InsertNextPoint(0.0, 1.0, 0.0)
    Vertices.InsertNextCell(1)
    Vertices.InsertCellPoint(id)

    #setup colors
    Colors = vtk.vtkUnsignedCharArray()
    Colors.SetNumberOfComponents(3)
    Colors.SetName("Colors")
    Colors.InsertNextTuple3(255,0,0)
    Colors.InsertNextTuple3(0,255,0)
    Colors.InsertNextTuple3(0,0,255)

    polydata = vtk.vtkPolyData()
    polydata.SetPoints(Points)
    polydata.SetVerts(Vertices)
    polydata.GetPointData().SetScalars(Colors)
    polydata.Modified()
    if vtk.VTK_MAJOR_VERSION <= 5:
        polydata.Update()

    writer = vtk.vtkXMLPolyDataWriter()
    writer.SetFileName("TriangleColoredPoints.vtp")
    if vtk.VTK_MAJOR_VERSION <= 5:
        writer.SetInput(polydata)
    else:
        writer.SetInputData(polydata)
    writer.Write()