_volumeMapper->AutoAdjustSampleDistancesOn();
_volumeProperty = vtkVolumeProperty::New();
_volumeProperty->SetInterpolationTypeToLinear();
- _volumeProperty->ShadeOn();
+ //_volumeProperty->ShadeOn();
_volumeProperty->DisableGradientOpacityOn();
_volumeProperty->SetColor(_ctfun);
_volumeProperty->SetScalarOpacity(_tfun );