yingshe.rar_vtk_三维可视化_可视化_纹理_纹理映射

#include "vtkPolyDataMapper.h" #include "vtkPolyDataReader.h" #include "vtkRenderer.h" #include "vtkWin32OpenGLRenderWindow.h" #include "vtkWin32RenderWindowInteractor.h" #include "vtkProperty.h" #include "vtkTexture.h" #include "vtkTextureMapToCylinder.h" #include "vtkPointSource.h" #include "vtkTransformTextureCoords.h" #include "vtkDelaunay3D.h" #include "vtkPolyData.h" #include "vtkDataSetMapper.h" #include "vtkBMPReader.h" #include "vtkUnstructuredGrid.h" #include "vtkBYUReader.h" #include "vtkPolyDataNormals.h" #include "vtkTriangleFilter.h" #include "vtkFeatureEdges.h" #include "vtkJPEGReader.h" void main() { //Compute normals, in case they are not provided with the model. vtkBYUReader *model_reader=vtkBYUReader::New(); model_reader->SetGeometryFileName("D:/工具软件/vtk/vtk4.0/vtk40Data/Data/Viewpoint/cow.g"); vtkPolyDataNormals *model_normals=vtkPolyDataNormals::New(); model_normals->SetInput(model_reader->GetOutput()); vtkTextureMapToCylinder *tmapper=vtkTextureMapToCylinder::New(); tmapper->SetInput(model_normals->GetOutput()); tmapper->PreventSeamOn(); vtkTransformTextureCoords *transform_texture=vtkTransformTextureCoords::New(); transform_texture->SetInput(tmapper->GetOutput()); vtkDataSetMapper *mapper=vtkDataSetMapper::New(); mapper->SetInput(transform_texture->GetOutput()); vtkJPEGReader *texture_reader=vtkJPEGReader::New(); texture_reader->SetFileName("D:/工具软件/vtk/vtk4.0/vtk40Data/Data/beach.jpg"); /*vtkImageReader2Factory *create_reader=vtkImageReader2Factory::New(); texture_reader->create_reader(CreateImageReader2()); texture_reader->SetFileName();*/ vtkTexture *texture=vtkTexture::New(); texture->SetInput(texture_reader->GetOutput()); texture->InterpolateOn(); vtkActor *actor=vtkActor::New(); actor->SetMapper(mapper); actor->SetTexture(texture); /*Create a triangle filter that will feed the model geometry to the feature edge extractor. Create the corresponding mapper and actor.*/ vtkTriangleFilter *triangle_filter=vtkTriangleFilter::New(); triangle_filter->SetInput(model_normals->GetOutput()); vtkFeatureEdges *edges_extractor=vtkFeatureEdges::New(); edges_extractor->SetInput(triangle_filter->GetOutput()); edges_extractor->ColoringOff(); edges_extractor->BoundaryEdgesOn(); edges_extractor->ManifoldEdgesOn(); edges_extractor->NonManifoldEdgesOn(); vtkPolyDataMapper *edges_mapper=vtkPolyDataMapper::New(); edges_mapper->SetInput(edges_extractor->GetOutput()); edges_mapper->SetResolveCoincidentTopologyToPolygonOffset(); vtkActor *edges_actor=vtkActor::New(); edges_actor->SetMapper(edges_mapper); edges_actor->GetProperty()->SetColor(0,0,0); edges_actor->GetProperty()->SetLineStipplePattern(4369); edges_actor->VisibilityOff(); vtkRenderer *ren=vtkRenderer::New(); ren->AddActor(actor); ren->AddActor(edges_actor); ren->ResetCamera(); ren->SetBackground(1,1,1); vtkWin32OpenGLRenderWindow *renWin=vtkWin32OpenGLRenderWindow::New(); renWin->AddRenderer(ren); vtkWin32RenderWindowInteractor *iren=vtkWin32RenderWindowInteractor::New(); iren->SetRenderWindow(renWin); renWin->SetSize(300,300); renWin->Render(); iren->Start(); ren->Delete(); iren->Delete(); renWin->Delete(); }