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我们在做三维软件开发时#xff0c;经常会用到相机坐标轴#xff0c;来指示当前空间位置#xff1b;
坐标轴效果#xff1a; 相机方向坐标轴 Cube 正方体坐标轴 自定义坐标轴#xff1a; Code#xff1a;
Axes
def main():colors vtkNamedC…本文 以 Python 语言开发
我们在做三维软件开发时经常会用到相机坐标轴来指示当前空间位置
坐标轴效果 相机方向坐标轴 Cube 正方体坐标轴 自定义坐标轴 Code
Axes
def main():colors vtkNamedColors()# create a SpheresphereSource vtkSphereSource()sphereSource.SetCenter(0.0, 0.0, 0.0)sphereSource.SetRadius(0.5)# create a mappersphereMapper vtkPolyDataMapper()sphereMapper.SetInputConnection(sphereSource.GetOutputPort())# create an actorsphereActor vtkActor()sphereActor.SetMapper(sphereMapper)# a renderer and render windowrenderer vtkRenderer()renderWindow vtkRenderWindow()renderWindow.SetWindowName(Axes)renderWindow.AddRenderer(renderer)# an interactorrenderWindowInteractor vtkRenderWindowInteractor()renderWindowInteractor.SetRenderWindow(renderWindow)# add the actors to the scenerenderer.AddActor(sphereActor)renderer.SetBackground(colors.GetColor3d(SlateGray))transform vtkTransform()transform.Translate(1.0, 0.0, 0.0)axes vtkAxesActor()# The axes are positioned with a user transformaxes.SetUserTransform(transform)# properties of the axes labels can be set as follows# this sets the x axis label to redaxes.GetXAxisCaptionActor2D().GetCaptionTextProperty().SetColor(colors.GetColor3d(Red));# the actual text of the axis label can be changed:axes.SetXAxisLabelText(test)renderer.AddActor(axes)renderer.GetActiveCamera().Azimuth(50)renderer.GetActiveCamera().Elevation(-30)renderer.ResetCamera()renderWindow.SetWindowName(Axes)renderWindow.Render()# begin mouse interactionrenderWindowInteractor.Start()if __name__ __main__:main()
CameraOrientationWidget
def main():colors vtkNamedColors()renderer vtkRenderer()ren_win vtkRenderWindow()interactor vtkRenderWindowInteractor()sphere_source vtkSphereSource()sphere_source.SetRadius(10.0)mapper vtkPolyDataMapper()mapper.SetInputConnection(sphere_source.GetOutputPort())actor vtkActor()actor.GetProperty().SetColor(colors.GetColor3d(Beige))actor.SetMapper(mapper)renderer.AddActor(actor)renderer.SetBackground(colors.GetColor3d(DimGray))ren_win.AddRenderer(renderer)ren_win.SetSize(600, 600)ren_win.SetWindowName(CameraOrientationWidget)# Important: The interactor must be set prior to enabling the widget.interactor.SetRenderWindow(ren_win)cam_orient_manipulator vtkCameraOrientationWidget()cam_orient_manipulator.SetParentRenderer(renderer)# Enable the widget.cam_orient_manipulator.On()ren_win.Render()interactor.Initialize()interactor.Start()if __name__ __main__:main()
OrientationMarkerWidget colors vtkNamedColors()# create a rendering window and rendererren vtkRenderer()ren_win vtkRenderWindow()ren_win.AddRenderer(ren)ren_win.SetWindowName(OrientationMarkerWidget)# create a renderwindowinteractoriren vtkRenderWindowInteractor()iren.SetRenderWindow(ren_win)cube vtkCubeSource()cube.SetXLength(200)cube.SetYLength(200)cube.SetZLength(200)cube.Update()cm vtkPolyDataMapper()cm.SetInputConnection(cube.GetOutputPort())ca vtkActor()ca.SetMapper(cm)ca.GetProperty().SetColor(colors.GetColor3d(BurlyWood))ca.GetProperty().EdgeVisibilityOn()ca.GetProperty().SetEdgeColor(colors.GetColor3d(Red))# assign actor to the rendererren.AddActor(ca)ren.SetBackground(colors.GetColor3d(CornflowerBlue))axes_actor vtkAnnotatedCubeActor()axes_actor.SetXPlusFaceText(L)axes_actor.SetXMinusFaceText(R)axes_actor.SetYMinusFaceText(I)axes_actor.SetYPlusFaceText(S)axes_actor.SetZMinusFaceText(P)axes_actor.SetZPlusFaceText(A)axes_actor.GetTextEdgesProperty().SetColor(colors.GetColor3d(Yellow))axes_actor.GetTextEdgesProperty().SetLineWidth(2)axes_actor.GetCubeProperty().SetColor(colors.GetColor3d(Blue))axes vtkOrientationMarkerWidget()axes.SetOrientationMarker(axes_actor)axes.SetInteractor(iren)axes.EnabledOn()axes.InteractiveOn()ren.ResetCamera()# enable user interface interactoriren.Initialize()ren_win.Render()ren.GetActiveCamera().Azimuth(45)ren.GetActiveCamera().Elevation(30)ren_win.Render()iren.Start()
custom OrientationMarker colors vtkNamedColors()reader vtkXMLPolyDataReader()reader.SetFileName(./Human.vtp)icon_mapper vtkDataSetMapper()icon_mapper.SetInputConnection(reader.GetOutputPort())icon_actor vtkActor()icon_actor.SetMapper(icon_mapper)icon_actor.GetProperty().SetColor(colors.GetColor3d(Silver))# Set up the renderer, window, and interactorrenderer vtkRenderer()renderer.SetBackground(colors.GetColor3d(SlateGray))ren_win vtkRenderWindow()ren_win.AddRenderer(renderer)ren_win.SetSize(400, 400)ren_win.SetWindowName(OrientationMarkerWidget1)iren vtkRenderWindowInteractor()iren.SetRenderWindow(ren_win)rgb [0.0, 0.0, 0.0]colors.GetColorRGB(Wheat, rgb)# Set up the widgetwidget vtkOrientationMarkerWidget()widget.SetOrientationMarker(icon_actor)widget.SetInteractor(iren)widget.SetViewport(0.0, 0.0, 0.3, 0.3)widget.SetOutlineColor(*rgb)widget.SetEnabled(1)widget.InteractiveOn()# Create a superquadricsuperquadric_source vtkSuperquadricSource()superquadric_source.SetPhiRoundness(.001)superquadric_source.SetThetaRoundness(.04)# Create a mapper and actorsuperquadric_mapper vtkPolyDataMapper()superquadric_mapper.SetInputConnection(superquadric_source.GetOutputPort())superquadric_actor vtkActor()superquadric_actor.SetMapper(superquadric_mapper)superquadric_actor.GetProperty().SetInterpolationToFlat()superquadric_actor.GetProperty().SetDiffuseColor(colors.GetColor3d(Carrot))superquadric_actor.GetProperty().SetSpecularColor(colors.GetColor3d(White))superquadric_actor.GetProperty().SetDiffuse(0.6)superquadric_actor.GetProperty().SetSpecular(0.5)superquadric_actor.GetProperty().SetSpecularPower(5.0)renderer.AddActor(superquadric_actor)renderer.ResetCamera()ren_win.Render()iren.Initialize()iren.Start()
