Medical Visualization DICOM-VIEWER with VTK & Qt Reading DICOM Images Two Modes of Visualization: Surface Rendering Mode Ray Casting Mode Surface Rendering Mode "Ankle" IS0 Value = 500 IS0 Value = 900 IS0 Value = 0 Surface Rendering Mode "Head" IS0 Value = 249 IS0 Value = 0 IS0 Value = 1747 Ray Casting Mode "Ankle" Ray Casting Mode "Head"