[效果显示]
将脚部骨骼扫描的CT照片进行的连续读取, 运行结果存为了两个动态gif, 不知道能不能正常显示
[主程序实现]
1 int main(int argc, char* argv[]) 2 { 3 // Verify input arguments
4 if ( argc != 2 ) 5 { 6 std::cout << "Usage: " << argv[0] 7 << " FolderName" << std::endl; 8 return EXIT_FAILURE; 9 } 10
11 std::string folder = argv[1]; 12
13 // Read all the DICOM files in the specified directory.
14 vtkSmartPointer<vtkDICOMImageReader> reader =
15 vtkSmartPointer<vtkDICOMImageReader>::New(); 16 reader->SetDirectoryName(folder.c_str()); 17 reader->Update(); 18
19 // Visualize
20 vtkSmartPointer<vtkImageViewer2> imageViewer =
21 vtkSmartPointer<vtkImageViewer2>::New(); 22 imageViewer->SetInputConnection(reader->GetOutputPort()); 23
24 // slice status message
25 vtkSmartPointer<vtkTextProperty> sliceTextProp = vtkSmartPointer<vtkTextProperty>::New(); 26 sliceTextProp->SetFontFamilyToCourier(); 27 sliceTextProp->SetFontSize(20); 28 sliceTextProp->SetVerticalJustificationToBottom(); 29 sliceTextProp->SetJustificationToLeft(); 30
31 vtkSmartPointer<vtkTextMapper> sliceTextMapper = vtkSmartPointer<vtkTextMapper>::New(); 32 std::string msg = StatusMessage::Format(imageViewer->GetSliceMin(), imageViewer->GetSliceMax()); 33 sliceTextMapper->SetInput(msg.c_str()); 34 sliceTextMapper->SetTextProperty(sliceTextProp); 35
36 vtkSmartPointer<vtkActor2D> sliceTextActor = vtkSmartPointer<vtkActor2D>::New(); 37 sliceTextActor->SetMapper(sliceTextMapper); 38 sliceTextActor->SetPosition(15, 10); 39
40 // usage hint message
41 vtkSmartPointer<vtkTextProperty> usageTextProp = vtkSmartPointer<vtkTextProperty>::New(); 42 usageTextProp->SetFontFamilyToCourier(); 43 usageTextProp->SetFontSize(14); 44 usageTextProp->SetVerticalJustificationToTop(); 45 usageTextProp->SetJustificationToLeft(); 46
47 vtkSmartPointer<vtkTextMapper> usageTextMapper = vtkSmartPointer<vtkTextMapper>::New(); 48 usageTextMapper->SetInput("- Slice with mouse wheel\n or Up/Down-Key\n- Zoom with pressed right\n mouse button while dragging"); 49 usageTextMapper->SetTextProperty(usageTextProp); 50
51 vtkSmartPointer<vtkActor2D> usageTextActor = vtkSmartPointer<vtkActor2D>::New(); 52 usageTextActor->SetMapper(usageTextMapper); 53 usageTextActor->GetPositionCoordinate()->SetCoordinateSystemToNormalizedDisplay(); 54 usageTextActor->GetPositionCoordinate()->SetValue( 0.05, 0.95); 55
56 vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
57 vtkSmartPointer<vtkRenderWindowInteractor>::New(); 58
59 vtkSmartPointer<myVtkInteractorStyleImage> myInteractorStyle =
60 vtkSmartPointer<myVtkInteractorStyleImage>::New(); 61
62 myInteractorStyle->SetImageViewer(imageViewer); 63 myInteractorStyle->SetStatusMapper(sliceTextMapper); 64
65 imageViewer->SetupInteractor(renderWindowInteractor); 66 renderWindowInteractor->SetInteractorStyle(myInteractorStyle); 67
68 imageViewer->GetRenderer()->AddActor2D(sliceTextActor); 69 imageViewer->GetRenderer()->AddActor2D(usageTextActor); 70
71 imageViewer->Render(); 72 imageViewer->GetRenderer()->ResetCamera(); 73 imageViewer->Render(); 74 renderWindowInteractor->Start(); 75 return EXIT_SUCCESS; 76 }