[vtkusers] change contrast in volume object (it's too dark)

[Lisa Avila]

Hello,

You would apply the window / leve directly to the opacity transfer function 
- just adjust the start / end points of the ramp. If it is too dark, lower 
the point at which the opacity becomes 1.

Lisa

At 09:03 AM 9/2/2005, powerhouseofexcellence wrote:
>Hi all,
>
>I have the VTK users guide book (version 4.4) and was reading to see how 
>to edit the diffuse/ambient etc to make my volumes look brighter (problem 
>from an earlier post). But I'm doing a MIP, and the book says that these 
>parameters and the ShadingOn() are ignored by MIP rendering. So my MIP 
>still looks dark, any way to increase their brightness? I am using the 
>scalar value as the maximize function.
>
>I was hoping that since the volume data is being passed to the render 
>window somewhere, maybe there would be a chance to set the output of the 
>volume renderer into a window level filter which is then passed along to 
>the render window. So only the final output is window/leveled and this 
>could be a quick operation. Is this possible?
>
>Thanks
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