[vtkusers] The difference between vtk8.1 and vtk.s in volume rendering

Feng Yang newcowbow1104 at gmail.com
Tue Aug 21 22:16:45 EDT 2018

Yes, I turned the shading on in vtk.js. Still.
The wired thing I got is that when I call the function such as
setShade(true), setParallelProjection(true) in vtk.js. The output result is
very different from I did in VTK(C++)..
especially After I call setParallelProjection(true), the result is very
wired just like attachement.
I don't know what's going on.

Ken Martin <ken.martin at kitware.com> 于2018年8月21日周二 下午8:39写道:

> Might be that not everything is being set and the two have different
> defaults. Is shading turned on in vtk.js. ala volumeProperty.setShade(true)
> also maybe include snippits showing the setup of the
> volume/mapper/properties in C++ and JS
> On Mon, Aug 20, 2018 at 9:44 PM, Feng Yang <newcowbow1104 at gmail.com>
> wrote:
>> Hi Sir.
>>      I'm working on medical imaging volume rendering with vtk.js in my
>> application.
>>      I tried to set the same color and scalarOpacity parameters both in
>> vtk(C++) and vtk.js. And I thought the result was the same. But It seems
>> I'm wrong. The output are totally different, Just like the attachments.
>>      Why is that?
>>      BTW:
>>      VTK is 8.1.1
>>      vtk.js is 7.4.10.
>> thanks.
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> Kitware Inc.
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