Removing vtkMapper

src/Cxx/GeometricObjects/OpenVRFrustum.cxx

 #include <vtkActor.h>
 #include <vtkCamera.h>
 #include <vtkFrustumSource.h>
-#include <vtkMapper.h>
 #include <vtkNamedColors.h>
 #include <vtkNew.h>
 #include <vtkOpenVRRenderWindow.h>

src/Cxx/ImageData/ClipVolume.cxx

@@ -10,7 +10,6 @@
 #include <vtkImageMapToColors.h>
 #include <vtkInteractorStyleSwitch.h>
 #include <vtkLookupTable.h>
-#include <vtkMapper.h>
 #include <vtkNamedColors.h>
 #include <vtkNew.h>
 #include <vtkPlanes.h>
@@ -44,8 +43,6 @@ vtkSmartPointer<vtkImageData> makeImage(int n, vtkColor3d fillColor,
 int main(int, char*[])
 {
 
-  vtkMapper::SetResolveCoincidentTopologyToPolygonOffset();
-
   // Define colors
   vtkNew<vtkNamedColors> colors;
   vtkColor3d backgroundColor = colors->GetColor3d("Wheat");
@@ -87,6 +84,7 @@ int main(int, char*[])
   clipper->SetInputData(image);
 
   vtkNew<vtkDataSetMapper> imageMapper;
+  imageMapper->SetResolveCoincidentTopologyToPolygonOffset();
   vtkNew<vtkActor> imageActor;
   imageActor->SetMapper(imageMapper);
   renderer->AddViewProp(imageActor);

src/Cxx/Meshes/TableBasedClipDataSetWithPolyData2.cxx

@@ -11,7 +11,6 @@
 #include <vtkImageMapToColors.h>
 #include <vtkInteractorStyleSwitch.h>
 #include <vtkLookupTable.h>
-#include <vtkMapper.h>
 #include <vtkNamedColors.h>
 #include <vtkNew.h>
 #include <vtkPlanes.h>
@@ -43,8 +42,6 @@ int main(int, char*[])
   constexpr int xOffset = 8;
   constexpr int yOffset = 8;
 
-  vtkMapper::SetResolveCoincidentTopologyToPolygonOffset();
-
   vtkNew<vtkNamedColors> colors;
   vtkNew<vtkRenderer> renderer;
   renderer->SetBackground(colors->GetColor3d("Wheat").GetData());
@@ -84,6 +81,7 @@ int main(int, char*[])
   clipper->SetInputData(image);
 
   vtkNew<vtkDataSetMapper> imageMapper;
+  imageMapper->SetResolveCoincidentTopologyToPolygonOffset();
   vtkNew<vtkActor> imageActor;
   imageActor->SetMapper(imageMapper);
   renderer->AddViewProp(imageActor);

src/Cxx/Qt/MinimalQtVTKApp.cxx

@@ -31,7 +31,7 @@ namespace {
  * @param window the window to render to
  * @param randEng the random number generator engine
  */
-void Randomize(vtkSphereSource* sphere, vtkMapper* mapper,
+void Randomize(vtkSphereSource* sphere, vtkDataSetMapper* mapper,
                vtkGenericOpenGLRenderWindow* window, std::mt19937& randEng);
 } // namespace
 
@@ -103,7 +103,7 @@ int main(int argc, char* argv[])
 }
 
 namespace {
-void Randomize(vtkSphereSource* sphere, vtkMapper* mapper,
+void Randomize(vtkSphereSource* sphere, vtkDataSetMapper* mapper,
                vtkGenericOpenGLRenderWindow* window, std::mt19937& randEng)
 {
   // Generate randomness.