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07 fullhouse_on_texture.py
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07 fullhouse_on_texture.py
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#!/usr/bin/env python
# This simple example shows how to do basic rendering and pipeline
# creation.
# noinspection PyUnresolvedReferences
import vtk
import vtkmodules.vtkInteractionStyle
# noinspection PyUnresolvedReferences
import vtkmodules.vtkRenderingOpenGL2
from vtkmodules.vtkCommonColor import vtkNamedColors
from vtkmodules.vtkFiltersSources import (vtkPlaneSource, vtkSphereSource)
from vtkmodules.vtkFiltersCore import vtkGlyph3D
from vtkmodules.vtkIOImage import vtkImageReader2Factory
from vtkmodules.vtkRenderingCore import (
vtkActor,
vtkPolyDataMapper,
vtkRenderWindow,
vtkRenderWindowInteractor,
vtkRenderer,
vtkTexture
)
import sys
import numpy
def main():
colors = vtkNamedColors()
# Load in the texture map. A texture is any unsigned char image. If it
# is not of this type, you will have to map it through a lookup table
# or by using vtkImageShiftScale.
#
fileName = 'texture.png'
readerFactory = vtkImageReader2Factory()
textureFile = readerFactory.CreateImageReader2(fileName)
textureFile.SetFileName(fileName)
textureFile.Update()
atext = vtkTexture()
atext.SetInputConnection(textureFile.GetOutputPort())
atext.InterpolateOn()
# This creates a polygonal cylinder model with eight circumferential
# facets.
plane = vtkPlaneSource()
plane.SetOrigin(0,0,10)
plane.SetPoint1(14,0,10)
plane.SetPoint2(0,0,0)
plane.SetXResolution(1)
plane.SetYResolution(1)
plane.Update()
planeMapper = vtkPolyDataMapper()
planeMapper.SetInputConnection(plane.GetOutputPort())
planeActor = vtkActor()
planeActor.SetMapper(planeMapper)
planeActor.SetTexture(atext)
polydata = vtk.vtkPolyData()
points = vtk.vtkPoints()
for y in numpy.arange(0,0.1,0.01):
for x in numpy.arange(7,7.2,0.01):
for z in numpy.arange(2.66,2.71,0.01):
points.InsertNextPoint(x,y,z)
polydata.SetPoints(points)
polydata2 = vtk.vtkPolyData()
points2 = vtk.vtkPoints()
for x in numpy.arange(7,7.2,0.01):
for z in numpy.arange(3.7,3.8,0.01):
points2.InsertNextPoint(x,0.01,z)
polydata2.SetPoints(points2)
source = vtkSphereSource()
source.SetRadius(0.005)
glyph = vtkGlyph3D()
glyph.SetInputData(polydata)
glyph.SetSourceConnection(source.GetOutputPort())
glyph.ScalingOff()
glyph.Update()
pointsMapper = vtkPolyDataMapper()
pointsMapper.SetInputConnection(glyph.GetOutputPort())
pointsActor = vtkActor()
pointsActor.SetMapper(pointsMapper)
pointsActor.GetProperty().SetColor(colors.GetColor3d("Banana"));
source2 = vtkPlaneSource()
source2.SetOrigin(0,0,0)
source2.SetPoint1(0.01,0,0)
source2.SetPoint2(0,0,0.01)
glyph2 = vtkGlyph3D()
glyph2.SetInputData(polydata2)
glyph2.SetSourceConnection(source2.GetOutputPort())
glyph2.ScalingOff()
glyph2.Update()
pointsMapper2 = vtkPolyDataMapper()
pointsMapper2.SetInputConnection(glyph2.GetOutputPort())
pointsActor2 = vtkActor()
pointsActor2.SetMapper(pointsMapper2)
pointsActor2.GetProperty().SetColor(colors.GetColor3d("Green"))
pointsActor2.GetProperty().SetOpacity(0.3)
light = vtk.vtkLight()
light.SetLightTypeToSceneLight()
light.SetPosition(14/2,10,10/2)
light.SetFocalPoint(14/2,0,10/2)
#light.SetPositional(True)
#light.SetAttenuationValues(0,0,0)
#light.SetConeAngle(10)
#lightActor = vtk.vtkLightActor()
#lightActor.SetLight(light)
ren = vtkRenderer()
renWin = vtkRenderWindow()
renWin.AddRenderer(ren)
iren = vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# Add the actors to the renderer, set the background and size
ren.AddActor(planeActor)
ren.AddActor(pointsActor)
ren.AddActor(pointsActor2)
ren.AddLight(light)
#ren.AddViewProp(lightActor)
ren.SetBackground(colors.GetColor3d("Blue"))
renWin.SetSize(300, 300)
renWin.SetWindowName('CylinderExample')
# This allows the interactor to initalize itself. It has to be
# called before an event loop.
iren.Initialize()
# We'll zoom in a little by accessing the camera and invoking a "Zoom"
# method on it.
ren.ResetCamera()
ren.GetActiveCamera().Elevation(45)
#ren.GetActiveCamera().Yaw(180)
#ren.GetActiveCamera().Azimuth(180)
renWin.Render()
# Start the event loop.
#iren.GetInteractorStyle().SetCurrentStyleToTrackballCamera()
iren.SetInteractorStyle(vtk.vtkInteractorStyleTerrain())
iren.Start()
print(sys.version)
if __name__ == '__main__':
main()