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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import math
import vtk
import vtk.test.Testing
# ------------------------------------------------------------
# Purpose: Test more parametric functions.
# ------------------------------------------------------------
class TestMoreParametricFunctions(vtk.test.Testing.vtkTest):
def testMoreParametricFunctions(self):
# ------------------------------------------------------------
# For each parametric surface:
# 1) Create it
# 2) Assign mappers and actors
# 3) Position the object
# 5) Add a label
# ------------------------------------------------------------
# ------------------------------------------------------------
# Create Kuen's Surface.
# ------------------------------------------------------------
kuen = vtk.vtkParametricKuen()
kuenSource = vtk.vtkParametricFunctionSource()
kuenSource.SetParametricFunction(kuen)
kuenSource.SetScalarModeToU()
kuenMapper = vtk.vtkPolyDataMapper()
kuenMapper.SetInputConnection(kuenSource.GetOutputPort())
kuenActor = vtk.vtkActor()
kuenActor.SetMapper(kuenMapper)
kuenActor.SetPosition(0, -19, 0)
kuenActor.RotateX(90)
kuenTextMapper = vtk.vtkTextMapper()
kuenTextMapper.SetInput("Kuen")
kuenTextMapper.GetTextProperty().SetJustificationToCentered()
kuenTextMapper.GetTextProperty().SetVerticalJustificationToCentered()
kuenTextMapper.GetTextProperty().SetColor(1, 0, 0)
kuenTextMapper.GetTextProperty().SetFontSize(14)
kuenTextActor = vtk.vtkActor2D()
kuenTextActor.SetMapper(kuenTextMapper)
kuenTextActor.GetPositionCoordinate().SetCoordinateSystemToWorld()
kuenTextActor.GetPositionCoordinate().SetValue(0, -22.5, 0)
# ------------------------------------------------------------
# Create a Pseudosphere
# ------------------------------------------------------------
pseudo = vtk.vtkParametricPseudosphere()
pseudo.SetMinimumU(-3)
pseudo.SetMaximumU(3)
pseudoSource = vtk.vtkParametricFunctionSource()
pseudoSource.SetParametricFunction(pseudo)
pseudoSource.SetScalarModeToY()
pseudoMapper = vtk.vtkPolyDataMapper()
pseudoMapper.SetInputConnection(pseudoSource.GetOutputPort())
pseudoActor = vtk.vtkActor()
pseudoActor.SetMapper(pseudoMapper)
pseudoActor.SetPosition(8, -19, 0)
pseudoActor.RotateX(90)
pseudoTextMapper = vtk.vtkTextMapper()
pseudoTextMapper.SetInput("Pseudosphere")
pseudoTextMapper.GetTextProperty().SetJustificationToCentered()
pseudoTextMapper.GetTextProperty().SetVerticalJustificationToCentered()
pseudoTextMapper.GetTextProperty().SetColor(1, 0, 0)
pseudoTextMapper.GetTextProperty().SetFontSize(14)
pseudoTextActor = vtk.vtkActor2D()
pseudoTextActor.SetMapper(pseudoTextMapper)
pseudoTextActor.GetPositionCoordinate().SetCoordinateSystemToWorld()
pseudoTextActor.GetPositionCoordinate().SetValue(8, -22.5, 0)
# ------------------------------------------------------------
# Create a Bohemian Dome
# ------------------------------------------------------------
bdome = vtk.vtkParametricBohemianDome()
bdomeSource = vtk.vtkParametricFunctionSource()
bdomeSource.SetParametricFunction(bdome)
bdomeSource.SetScalarModeToU()
bdomeMapper = vtk.vtkPolyDataMapper()
bdomeMapper.SetInputConnection(bdomeSource.GetOutputPort())
bdomeActor = vtk.vtkActor()
bdomeActor.SetMapper(bdomeMapper)
bdomeActor.SetPosition(16, -19, 0)
bdomeActor.RotateY(90)
bdomeTextMapper = vtk.vtkTextMapper()
bdomeTextMapper.SetInput("Bohemian Dome")
bdomeTextMapper.GetTextProperty().SetJustificationToCentered()
bdomeTextMapper.GetTextProperty().SetVerticalJustificationToCentered()
bdomeTextMapper.GetTextProperty().SetColor(1, 0, 0)
bdomeTextMapper.GetTextProperty().SetFontSize(14)
bdomeTextActor = vtk.vtkActor2D()
bdomeTextActor.SetMapper(bdomeTextMapper)
bdomeTextActor.GetPositionCoordinate().SetCoordinateSystemToWorld()
bdomeTextActor.GetPositionCoordinate().SetValue(16, -22.5, 0)
# ------------------------------------------------------------
# Create Henneberg's Minimal Surface
# ------------------------------------------------------------
hberg = vtk.vtkParametricHenneberg()
hberg.SetMinimumU(-.3)
hberg.SetMaximumU(.3)
hbergSource = vtk.vtkParametricFunctionSource()
hbergSource.SetParametricFunction(hberg)
hbergSource.SetScalarModeToV()
hbergMapper = vtk.vtkPolyDataMapper()
hbergMapper.SetInputConnection(hbergSource.GetOutputPort())
hbergActor = vtk.vtkActor()
hbergActor.SetMapper(hbergMapper)
hbergActor.SetPosition(24, -19, 0)
hbergActor.RotateY(90)
hbergTextMapper = vtk.vtkTextMapper()
hbergTextMapper.SetInput("Henneberg")
hbergTextMapper.GetTextProperty().SetJustificationToCentered()
hbergTextMapper.GetTextProperty().SetVerticalJustificationToCentered()
hbergTextMapper.GetTextProperty().SetColor(1, 0, 0)
hbergTextMapper.GetTextProperty().SetFontSize(14)
hbergTextActor = vtk.vtkActor2D()
hbergTextActor.SetMapper(hbergTextMapper)
hbergTextActor.GetPositionCoordinate().SetCoordinateSystemToWorld()
hbergTextActor.GetPositionCoordinate().SetValue(24, -22.5, 0)
# ------------------------------------------------------------
# Create Catalan's Minimal Surface
# ------------------------------------------------------------
catalan = vtk.vtkParametricCatalanMinimal()
catalan.SetMinimumU(-2.*math.pi)
catalan.SetMaximumU( 2.*math.pi)
catalanSource = vtk.vtkParametricFunctionSource()
catalanSource.SetParametricFunction(catalan)
catalanSource.SetScalarModeToV()
catalanMapper = vtk.vtkPolyDataMapper()
catalanMapper.SetInputConnection(catalanSource.GetOutputPort())
catalanActor = vtk.vtkActor()
catalanActor.SetMapper(catalanMapper)
catalanActor.SetPosition(0, -27, 0)
catalanActor.SetScale(.5, .5, .5)
catalanTextMapper = vtk.vtkTextMapper()
catalanTextMapper.SetInput("Catalan")
catalanTextMapper.GetTextProperty().SetJustificationToCentered()
catalanTextMapper.GetTextProperty().SetVerticalJustificationToCentered()
catalanTextMapper.GetTextProperty().SetColor(1, 0, 0)
catalanTextMapper.GetTextProperty().SetFontSize(14)
catalanTextActor = vtk.vtkActor2D()
catalanTextActor.SetMapper(catalanTextMapper)
catalanTextActor.GetPositionCoordinate().SetCoordinateSystemToWorld()
catalanTextActor.GetPositionCoordinate().SetValue(0, -30.5, 0)
# ------------------------------------------------------------
# Create Bour's Minimal Surface
# ------------------------------------------------------------
bour = vtk.vtkParametricBour()
bourSource = vtk.vtkParametricFunctionSource()
bourSource.SetParametricFunction(bour)
bourSource.SetScalarModeToU()
bourMapper = vtk.vtkPolyDataMapper()
bourMapper.SetInputConnection(bourSource.GetOutputPort())
bourActor = vtk.vtkActor()
bourActor.SetMapper(bourMapper)
bourActor.SetPosition(8, -27, 0)
bourTextMapper = vtk.vtkTextMapper()
bourTextMapper.SetInput("Bour")
bourTextMapper.GetTextProperty().SetJustificationToCentered()
bourTextMapper.GetTextProperty().SetVerticalJustificationToCentered()
bourTextMapper.GetTextProperty().SetColor(1, 0, 0)
bourTextMapper.GetTextProperty().SetFontSize(14)
bourTextActor = vtk.vtkActor2D()
bourTextActor.SetMapper(bourTextMapper)
bourTextActor.GetPositionCoordinate().SetCoordinateSystemToWorld()
bourTextActor.GetPositionCoordinate().SetValue(8, -30.5, 0)
# ------------------------------------------------------------
# Create Plucker's Conoid Surface
# ------------------------------------------------------------
plucker = vtk.vtkParametricPluckerConoid()
pluckerSource = vtk.vtkParametricFunctionSource()
pluckerSource.SetParametricFunction(plucker)
pluckerSource.SetScalarModeToZ()
pluckerMapper = vtk.vtkPolyDataMapper()
pluckerMapper.SetInputConnection(pluckerSource.GetOutputPort())
pluckerActor = vtk.vtkActor()
pluckerActor.SetMapper(pluckerMapper)
pluckerActor.SetPosition(16, -27, 0)
pluckerTextMapper = vtk.vtkTextMapper()
pluckerTextMapper.SetInput("Plucker")
pluckerTextMapper.GetTextProperty().SetJustificationToCentered()
pluckerTextMapper.GetTextProperty().SetVerticalJustificationToCentered()
pluckerTextMapper.GetTextProperty().SetColor(1, 0, 0)
pluckerTextMapper.GetTextProperty().SetFontSize(14)
pluckerTextActor = vtk.vtkActor2D()
pluckerTextActor.SetMapper(pluckerTextMapper)
pluckerTextActor.GetPositionCoordinate().SetCoordinateSystemToWorld()
pluckerTextActor.GetPositionCoordinate().SetValue(16, -30.5, 0)
# ------------------------------------------------------------
# Create the RenderWindow, Renderer and all vtkActors
# ------------------------------------------------------------
ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# add actors
ren.AddViewProp(kuenActor)
ren.AddViewProp(pseudoActor)
ren.AddViewProp(bdomeActor)
ren.AddViewProp(hbergActor)
ren.AddViewProp(catalanActor)
ren.AddViewProp(bourActor)
ren.AddViewProp(pluckerActor)
#add text actors
ren.AddViewProp(kuenTextActor)
ren.AddViewProp(pseudoTextActor)
ren.AddViewProp(bdomeTextActor)
ren.AddViewProp(hbergTextActor)
ren.AddViewProp(catalanTextActor)
ren.AddViewProp(bourTextActor)
ren.AddViewProp(pluckerTextActor)
ren.SetBackground(0.9, 0.9, 0.9)
renWin.SetSize(500, 500)
ren.ResetCamera()
iren.Initialize()
renWin.Render()
img_file = "TestMoreParametricFunctions.png"
vtk.test.Testing.compareImage(iren.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file), threshold=10)
vtk.test.Testing.interact()
if __name__ == "__main__":
vtk.test.Testing.main([(TestMoreParametricFunctions, 'test')])
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