[vtkusers] Can We used vtkImageViewer with vtkInteractorStyle

[Pratheek Arora]

Hi Lisa
  Can Vtk Support the vtkInteractorStyle with VtkImageviewer ,
  I have also one more problem , When I am using vtkRenderWindow the Speed
of my program become slow , Any suggestion on this matter is most welcome
thanks
prateek
  

PRATEEK ARORA
Wipro GE Medical Systems
John F Welch Technology Centre
Export Promotion Industrial Park,
Plot 122, Phase-2, Whitefield Road
Bangalore: 560066. 
phone 8412050 - 3178

On Thu, 29 Nov 2001, Lisa Sobierajski Avila wrote:

> Hello Isabel,
> 
> 
> >- Which the shading model that the method ShadeOn(), of the class 
> >volumeProperty, does it use?
> 
> The shading model used for volume rendering matches (as closely as 
> possible) the one used in OpenGL. It is a local illumination model that 
> uses ambient, diffuse, specular, and specular power. Two-sided lighting 
> also affects the volume rendered image.
> 
> >- In the same class volumeProperty (SetGradientOpacity), which is the 
> >method used for the calculation of the gradient?
> 
> vtkFiniteDifferenceGradientEstimator is the class that performs the 
> calculation - it is automatically created by the vtkVolumeRayCastMapper, or 
> if you need to share one between mappers you can create it yourself. Beware 
> that the gradient magnitude (used for the gradient opacity modulation) is 
> transformed by a scale and bias prior to being stored in a 8 bit value. By 
> default the scale is 1.0 and the bias is 0.0 but you can (and probably 
> should) change these when working with unsigned short data.
> 
> Lisa
> 
> 
> 
> 
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