I create the following in the Pgmable Source in PV, but cannot figure out how to color the resulting points or 3D glyphs using the scalar values. What am I missing? -Randy
# Get a vtk.PolyData object for the output pdo = self.GetPolyDataOutput() # Create points num_pts = 3 newPts = vtk.vtkPoints() scalars = vtk.vtkFloatArray() xval = -1.0 for idx in range(0, num_pts): # rf. PhysiCell User Guide for these array indices to a cell's position. x = xval y = 0.0 z = 0.0 newPts.InsertPoint(idx, x,y,z) sval = xval*2 scalars.InsertNextValue(sval) xval += 1.0 # Add the points to the vtkPolyData object. pdo.SetPoints(newPts) pdo.GetPointData().SetScalars(scalars) verts = vtk.vtkCellArray() for idx in range(0, num_pts): verts.InsertNextCell(1) verts.InsertCellPoint(idx) pdo.SetVerts(verts)
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