VTK讀取單張dicom

#include "stdafx.h"
#include "vtkAutoInit.h" 
VTK_MODULE_INIT(vtkRenderingOpenGL2);
VTK_MODULE_INIT(vtkInteractionStyle);

#include <vtkDICOMImageReader.h>//DCM醫學檔案讀取類
#include <vtkImageViewer.h>//顯示2D圖像類
#include <vtkRenderWindowInteractor.h>//互動器類

int main()
{
	std::string folder = "../DICOM";
	int dim[2];
	//執行個體化一個對象dcmReader
	vtkDICOMImageReader* dcmReader = vtkDICOMImageReader::New();
	dcmReader->SetDirectoryName(folder.c_str());
	//dcmReader->SetDirectoryName("D:\\document\\測量相關資料\\DICOM");//讀單張切片
																							 //reader->SetDirectoryName("C:\\Users\\Administrator\\Desktop\\VTK2\\hellovtk\\CT_all");//讀序列切片

																							 //執行個體化一個對象dcmViewer
	vtkImageViewer* dcmViewer = vtkImageViewer::New();
	dcmViewer->SetInputConnection(dcmReader->GetOutputPort());//讀取的圖像資料輸出給顯示對象輸入
															  //dcmViewer->SetColorLevel(400);//設定窗位   
															  //dcmViewer->SetColorWindow(800);//設定窗寬  
	dim[0] = dcmViewer->GetColorLevel();//顯示窗位1000   
	dim[1] = dcmViewer->GetColorWindow();//顯示窗寬2000
	printf("%d   %d", dim[0], dim[1]);

	dcmViewer->Render();//顯示圖像

						//加入互動機制
						//執行個體化一個互動器對象interactor
	vtkRenderWindowInteractor* interactor = vtkRenderWindowInteractor::New();
	dcmViewer->SetupInteractor(interactor);
	interactor->Initialize();
	interactor->Start();//使互動器處于等待狀态

						/*getchar();*/
						//釋放記憶體
	dcmReader->Delete();
	dcmViewer->Delete();
	interactor->Delete();

	return 0;

}