[slicer-users] PET display max pixel value, and Volume Rendering triggers repeated rendering.

Yanling Liu vrnova at gmail.com
Tue Feb 9 23:08:56 EST 2010


Hello Kumar,

When you saying click, did you mean press mouse button or press & release
mouse button? When the "interactive apply" check button is unchecked,
releasing mouse button does trigger volume rendering.

Yanling

On Tue, Feb 9, 2010 at 8:26 PM, Devakumar
<devakumar.devadhas at jefferson.edu>wrote:

>  Hi
>
>
>
> When I loaded a PET dataset, maximum pixel value is around 32000. The
> maximum value available in Volumes (Module) à Display à Threshold box is
> 32768. I selected manual option in the Displayà Threshold. I selected
> FullRainbow color lookup table. The PET image shows only limited colors. Is
> it possible to display more colors by increasing the maximum display
> threshold value to higher than 32768? Now it is not possible to increase the
> maximum display threshold to higher than 32768. Is it because, the color
> steps available in the color lookup table is less?
>
>
>
> Interactive mode in Volume Rendering is always enabled. Any mouse click on
> any Volume Properties of Volume Rendering triggers rendering even after NOT
> selecting interactive display option in Volume Rendering. This makes the
> system always busy and doesn’t allow doing the Volume rendering in a
> reasonable time. Any workaround for this?
>
>
>
> I am using the nightly build tar.gz dated February 8, 2010 in a Linux
> machine.
>
>
>
> Thanks
>
>
>
> Kumar
>
>
>
>
> ------------------------------------------------------------------------------------
>
> Devakumar Devadhas
>
> Post Doc Fellow
>
> Department of Radiology and Molecular Biology
>
> Thomas Jefferson University
>
> Philadelphia, PA-19107
>
>
>
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