[vtkusers] Volume Rendering in iOS

[YassminAbdallah]

Hello good day,


I try the volume rendering example in both simulator and iPhone 6 and i
still get those errors message,

for the first 'if' in the example i got those two error,

////////////////////////
ERROR: In
/Users/desktop/VTKBin/vtk/Rendering/OpenGL2/vtkOpenGLPolyDataMapper2D.cxx,
line 850
vtkOpenGLPolyDataMapper2D (0x156517f20): failed after RenderOverlay 1 OpenGL
errors detected
  0 : (1286) Unknown error


ERROR: In /Users/desktop/VTKBin/vtk/Rendering/OpenGL2/vtkTextureObject.cxx,
line 554
vtkTextureObject (0x174195950): failed at glBindTexture(0) 1 OpenGL errors
detected
  0 : (1286) Unknown error


////////////////////////


and for the 'else' i just change the data format to DICOM image and i got
those three errors,

////////////////////////
ERROR: In
/Users/desktop/VTKBin/vtk/Rendering/OpenGL2/vtkOpenGLPolyDataMapper2D.cxx,
line 850
vtkOpenGLPolyDataMapper2D (0x156d201d0): failed after RenderOverlay 1 OpenGL
errors detected
  0 : (1286) Unknown error


ERROR: In /Users/desktop/VTKBin/vtk/Rendering/OpenGL2/vtkTextureObject.cxx,
line 1485
vtkTextureObject (0x170199f30): failed at glTexImage2D 1 OpenGL errors
detected
  0 : (1282) Invalid operation


ERROR: In /Users/desktop/VTKBin/vtk/Rendering/OpenGL2/vtkTextureObject.cxx,
line 554
vtkTextureObject (0x170199f30): failed at glBindTexture(0) 1 OpenGL errors
detected
  0 : (1286) Unknown error
////////////////////////

any help please ?
 



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