You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.5 KiB
60 lines
1.5 KiB
2 years ago
|
#!/usr/bin/env python
|
||
|
|
|
||
|
|
# This script shows how to manually create a vtkPolyData with a
|
||
|
|
# triangle strip.
|
||
|
|
|
||
|
|
import vtk
|
||
|
|
|
||
|
|
# First we'll create some points.
|
||
|
|
points = vtk.vtkPoints()
|
||
|
|
points.InsertPoint(0, 0.0, 0.0, 0.0)
|
||
|
|
points.InsertPoint(1, 0.0, 1.0, 0.0)
|
||
|
|
points.InsertPoint(2, 1.0, 0.0, 0.0)
|
||
|
|
points.InsertPoint(3, 1.0, 1.0, 0.0)
|
||
|
|
points.InsertPoint(4, 2.0, 0.0, 0.0)
|
||
|
|
points.InsertPoint(5, 2.0, 1.0, 0.0)
|
||
|
|
points.InsertPoint(6, 3.0, 0.0, 0.0)
|
||
|
|
points.InsertPoint(7, 3.0, 1.0, 0.0)
|
||
|
|
|
||
|
|
# The cell array can be thought of as a connectivity list. Here we
|
||
|
|
# specify the number of points followed by that number of point
|
||
|
|
# ids. This can be repeated as many times as there are primitives in
|
||
|
|
# the list.
|
||
|
|
strips = vtk.vtkCellArray()
|
||
|
|
strips.InsertNextCell(8) # number of points
|
||
|
|
strips.InsertCellPoint(0)
|
||
|
|
strips.InsertCellPoint(1)
|
||
|
|
strips.InsertCellPoint(2)
|
||
|
|
strips.InsertCellPoint(3)
|
||
|
|
strips.InsertCellPoint(4)
|
||
|
|
strips.InsertCellPoint(5)
|
||
|
|
strips.InsertCellPoint(6)
|
||
|
|
strips.InsertCellPoint(7)
|
||
|
|
profile = vtk.vtkPolyData()
|
||
|
|
profile.SetPoints(points)
|
||
|
|
profile.SetStrips(strips)
|
||
|
|
|
||
|
|
map = vtk.vtkPolyDataMapper()
|
||
|
|
map.SetInput(profile)
|
||
|
|
|
||
|
|
strip = vtk.vtkActor()
|
||
|
|
strip.SetMapper(map)
|
||
|
|
strip.GetProperty().SetColor(0.3800, 0.7000, 0.1600)
|
||
|
|
|
||
|
|
# Create the usual rendering stuff.
|
||
|
|
ren = vtk.vtkRenderer()
|
||
|
|
renWin = vtk.vtkRenderWindow()
|
||
|
|
renWin.AddRenderer(ren)
|
||
|
|
iren = vtk.vtkRenderWindowInteractor()
|
||
|
|
iren.SetRenderWindow(renWin)
|
||
|
|
|
||
|
|
# Add the actors to the renderer, set the background and size
|
||
|
|
ren.AddActor(strip)
|
||
|
|
|
||
|
|
ren.SetBackground(1, 1, 1)
|
||
|
|
renWin.SetSize(250, 250)
|
||
|
|
|
||
|
|
iren.Initialize()
|
||
|
|
renWin.Render()
|
||
|
|
iren.Start()
|