显示DICOM的二维图像结果，支持使用VTKViewer进行窗宽窗位调节-The results showed that the two-dimensional image DICOM support the use VTKViewer be window width and position adjustment

利用vtk实现纹理贴图，并且支持三维交互操纵-Use vtk achieve texture mapping, and support for 3D interactive manipulation