<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:10pt"><DIV>Hello all;</DIV>
<DIV>I'm trying to genrate a 3d recontruction of a stach of 2D medical Images ( CT and MRI).</DIV>
<DIV>After some problems I've obtained an acceptable result, but the problem is that I'm not able to separate the tissues of the body ( only bones can be displayed separatly) such us vessels , mussels....</DIV>
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<DIV>in a documentation I've found that it's possible to use a<FONT size=2> SetGradientOpacity(<FONT size=2>vtkPiecewiseFunction) , in my case I'm using a the ScalarOpacity.</FONT></FONT></DIV>
<DIV>So , whitch opacity is more usefull for my case, and is it possible to use both of them and mix them ??</DIV>
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<DIV>last question, in all the docuumentation s I've found, the points added are defined between 0.0 and 255.0 ( I think they consider that the Images are 8bits ), in my case all the images I use are 16bits, so must I define the range of the points between 0.0 and 4096 ??</DIV>
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<DIV>Does somevbody could answer me to these questions or only one them, please.</DIV>
<DIV>thank you for your help.</DIV>
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<DIV>BEN REGUIGA Med</DIV>
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