www.pudn.com > V3D_Viewer_1.01_SourceCode.zip > EmptyVTK.cs

using System; 
using System.Collections.Generic; 
using System.Text; 
using System.Runtime.InteropServices; 
 
 
namespace V3D_Viewer 
{ 
    class EmptyVTK 
    { 
        public vtk.vtkImageData GetEmptyVolume() 
        { 
            // Create a pointer to a small array 
            int[] managedArray = { 1, 1, 1, 1, 1, 1, 1, 1 }; 
            IntPtr pnt = Marshal.AllocHGlobal(Marshal.SizeOf(managedArray[0]) * managedArray.Length); 
            Marshal.Copy(managedArray, 0, pnt, managedArray.Length); 
 
            vtk.vtkImageData emptyVolume = new vtk.vtkImageData(); 
            // Use the small array as data of the empty Volume 
            vtk.vtkImageImport importer = new vtk.vtkImageImport(); 
            importer.SetWholeExtent(0, 1, 0, 1, 0, 1); 
            importer.SetDataExtentToWholeExtent(); 
            importer.SetDataScalarTypeToUnsignedShort(); 
            importer.SetImportVoidPointer(pnt); 
            emptyVolume = importer.GetOutput(); 
            return emptyVolume; 
        } 
    } 
}