ENH: New figure example Rotations.cxx

Former-commit-id: ea48d94d

src/Cxx/Rendering/CMakeLists.txt

@@ -28,10 +28,14 @@ if (BUILD_TESTING)
 SET(KIT Rendering)
 SET(NEEDS_ARGS
   Rainbow
+  Rotations
 )
 SET(DATA ${WikiExamples_SOURCE_DIR}/src/Testing/Data)
 SET(TEMP ${WikiExamples_BINARY_DIR}/Testing/Temporary)
 
+ADD_TEST(${KIT}-Rotations ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${KIT}CxxTests
+  TestRotations ${DATA}/cow.obj)
+
 ADD_TEST(${KIT}-Rainbow ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${KIT}CxxTests
   TestRainbow ${DATA}/combxyz.bin ${DATA}/combq.bin)
 

src/Cxx/Rendering/Rotations.cxx

+
+#include <vtkRenderer.h>
+#include <vtkRenderWindow.h>
+#include <vtkRenderWindowInteractor.h>
+#include <vtkPolyDataMapper.h>
+#include <vtkActor.h>
+#include <vtkAxes.h>
+#include <vtkProperty.h>
+#include <vtkCamera.h>
+
+#include <vtkBYUReader.h>
+#include <vtkOBJReader.h>
+#include <vtkPLYReader.h>
+#include <vtkPolyDataReader.h>
+#include <vtkSTLReader.h>
+#include <vtkXMLPolyDataReader.h>
+#include <vtkSphereSource.h>
+#include <vtksys/SystemTools.hxx>
+
+#include <vtkNamedColors.h>
+
+namespace
+{
+vtkSmartPointer<vtkPolyData> ReadPolyData(const char *fileName);
+void  RotateX (vtkSmartPointer<vtkRenderWindow> &renWin,
+               vtkSmartPointer<vtkActor> &actor);
+void  RotateY (vtkSmartPointer<vtkRenderWindow> &renWin,
+               vtkSmartPointer<vtkActor> &actor);
+void  RotateZ (vtkSmartPointer<vtkRenderWindow> &renWin,
+               vtkSmartPointer<vtkActor> &actor);
+void  RotateXY (vtkSmartPointer<vtkRenderWindow> &renWin,
+                vtkSmartPointer<vtkActor> &actor);
+}
+int main (int argc, char *argv[])
+{
+// Create renderer stuff
+//
+  vtkSmartPointer<vtkNamedColors> colors =
+    vtkSmartPointer<vtkNamedColors>::New();
+
+  vtkSmartPointer<vtkRenderer> ren1 =
+    vtkSmartPointer<vtkRenderer>::New();
+
+  vtkSmartPointer<vtkRenderWindow> renWin =
+    vtkSmartPointer<vtkRenderWindow>::New();
+  renWin->AddRenderer(ren1);
+
+  vtkSmartPointer<vtkRenderWindowInteractor> iren =
+    vtkSmartPointer<vtkRenderWindowInteractor>::New();
+  iren->SetRenderWindow(renWin);
+
+// create pipeline
+//
+  vtkSmartPointer<vtkPolyData> polyData = ReadPolyData(argc > 1 ? argv[1] : "");;
+
+  vtkSmartPointer<vtkPolyDataMapper> modelMapper =
+    vtkSmartPointer<vtkPolyDataMapper>::New();
+  modelMapper->SetInputData(polyData);
+  
+  vtkSmartPointer<vtkActor> modelActor =
+    vtkSmartPointer<vtkActor>::New();
+  modelActor->SetMapper(modelMapper);
+  modelActor->GetProperty()->SetDiffuseColor(0.9608, 0.8706, 0.7020);
+  modelActor->GetProperty()->SetDiffuseColor(colors->GetColor3d("Crimson").GetData());
+  modelActor->GetProperty()->SetSpecular(.6);
+  modelActor->GetProperty()->SetSpecularPower(30);
+
+  vtkSmartPointer<vtkAxes> modelAxesSource =
+    vtkSmartPointer<vtkAxes>::New();
+  modelAxesSource->SetScaleFactor(10);
+  modelAxesSource->SetOrigin(0, 0, 0);
+
+  vtkSmartPointer<vtkPolyDataMapper> modelAxesMapper =
+    vtkSmartPointer<vtkPolyDataMapper>::New();
+  modelAxesMapper->SetInputConnection(modelAxesSource->GetOutputPort());
+ 
+  vtkSmartPointer<vtkActor> modelAxes =
+    vtkSmartPointer<vtkActor>::New();
+  modelAxes->SetMapper(modelAxesMapper);
+
+  ren1->AddActor(modelAxes);
+  modelAxes->VisibilityOff();
+
+// Add the actors to the renderer, set the background and size
+//
+  ren1->AddActor(modelActor);
+  ren1->SetBackground(colors->GetColor3d("Silver").GetData());
+  renWin->SetSize(640, 480);
+  ren1->ResetCamera();
+  ren1->GetActiveCamera()->Azimuth(0);
+  ren1->GetActiveCamera()->SetClippingRange(.1, 1000.0);
+
+  modelAxes->VisibilityOn();
+
+  renWin->Render();
+  renWin->Render();
+
+  iren->Start();
+  RotateX(renWin, modelActor);
+  iren->Start();
+  RotateY(renWin, modelActor);
+  iren->Start();
+  RotateZ(renWin, modelActor);
+  iren->Start();
+  RotateXY(renWin, modelActor);
+
+  renWin->EraseOff();
+  iren->Start();
+
+  return EXIT_SUCCESS;
+}
+
+namespace
+{
+//
+void  RotateX (vtkSmartPointer<vtkRenderWindow> &renWin,
+               vtkSmartPointer<vtkActor> &actor)
+{
+  actor->SetOrientation(0, 0, 0);
+  renWin->Render();
+  renWin->Render();
+  renWin->EraseOff();
+
+  for (int i = 0; i < 6; ++i)
+  {
+    actor->RotateX(60);
+    renWin->Render();
+    renWin->Render();
+  }
+  renWin->EraseOn();
+}
+void  RotateY (vtkSmartPointer<vtkRenderWindow> &renWin,
+               vtkSmartPointer<vtkActor> &actor)
+{
+  actor->SetOrientation(0, 0, 0);
+  renWin->Render();
+  renWin->EraseOff();
+
+  for (int i = 0; i < 6; ++i)
+  {
+    actor->RotateY(60);
+    renWin->Render();
+    renWin->Render();
+  }
+  renWin->EraseOn();
+}
+void  RotateZ (vtkSmartPointer<vtkRenderWindow> &renWin,
+               vtkSmartPointer<vtkActor> &actor)
+{
+  actor->SetOrientation(0, 0, 0);
+  renWin->Render();
+  renWin->EraseOff();
+
+  for (int i = 0; i < 6; ++i)
+  {
+    actor->RotateZ(60);
+    renWin->Render();
+    renWin->Render();
+  }
+  renWin->EraseOn();
+}
+void  RotateXY (vtkSmartPointer<vtkRenderWindow> &renWin,
+               vtkSmartPointer<vtkActor> &actor)
+{
+  actor->SetOrientation(0, 0, 0);
+  actor->RotateX(60);
+  renWin->Render();
+  renWin->Render();
+  renWin->EraseOff();
+
+  for (int i = 0; i < 6; ++i)
+  {
+    actor->RotateY(60);
+    renWin->Render();
+    renWin->Render();
+  }
+  renWin->EraseOn();
+}
+vtkSmartPointer<vtkPolyData> ReadPolyData(const char *fileName)
+{
+  vtkSmartPointer<vtkPolyData> polyData;
+  std::string extension = vtksys::SystemTools::GetFilenameExtension(std::string(fileName));
+  if (extension == ".ply")
+  {
+    vtkSmartPointer<vtkPLYReader> reader =
+      vtkSmartPointer<vtkPLYReader>::New();
+    reader->SetFileName (fileName);
+    reader->Update();
+    polyData = reader->GetOutput();
+  }
+  else if (extension == ".vtp")
+  {
+    vtkSmartPointer<vtkXMLPolyDataReader> reader =
+      vtkSmartPointer<vtkXMLPolyDataReader>::New();
+    reader->SetFileName (fileName);
+    reader->Update();
+    polyData = reader->GetOutput();
+  }
+  else if (extension == ".obj")
+  {
+    vtkSmartPointer<vtkOBJReader> reader =
+      vtkSmartPointer<vtkOBJReader>::New();
+    reader->SetFileName (fileName);
+    reader->Update();
+    polyData = reader->GetOutput();
+  }
+  else if (extension == ".stl")
+  {
+    vtkSmartPointer<vtkSTLReader> reader =
+      vtkSmartPointer<vtkSTLReader>::New();
+    reader->SetFileName (fileName);
+    reader->Update();
+    polyData = reader->GetOutput();
+  }
+  else if (extension == ".vtk")
+  {
+    vtkSmartPointer<vtkPolyDataReader> reader =
+      vtkSmartPointer<vtkPolyDataReader>::New();
+    reader->SetFileName (fileName);
+    reader->Update();
+    polyData = reader->GetOutput();
+  }
+  else if (extension == ".g")
+  {
+    vtkSmartPointer<vtkBYUReader> reader =
+      vtkSmartPointer<vtkBYUReader>::New();
+    reader->SetGeometryFileName (fileName);
+    reader->Update();
+    polyData = reader->GetOutput();
+  }
+  else
+  {
+    vtkSmartPointer<vtkSphereSource> source =
+      vtkSmartPointer<vtkSphereSource>::New();
+    source->Update();
+    polyData = source->GetOutput();
+  }
+  return polyData;
+}
+}