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List:       vtkusers
Subject:    [vtkusers] Volume Rendering Update
From:       Aashish Chaudhary <aashish.chaudhary () kitware ! com>
Date:       2015-05-29 21:31:34
Message-ID: CAEw35Z_CABstm43M2DqP42Af4_sVJtrks4ib+triReA_x83xHg () mail ! gmail ! com
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Folks,

We made some recent improvements to VTK volume rendering including fixes to
related components. Here is a list of those changes:

1) Now new GPU Volume Mapper respect Interpolation Type (Linear or
Nearest). Default is Nearest as in the last GPU mapper.

2) Shading is now twice as fast as before. There will be another branch to
make it even faster.

3) Fixed lighting bug (number of lights kept on increasing with change in
volume property)

4) Saving and Restoring GL state properly for textures

5) Bias and Scale are now performed in Shader.

6) We changed some GL texture format information to support OpenGL 3
context

7) Fixed extensions were not reported correctly on GL2 context

8) Fixed few failing tests specifically on Mesa

9) Removed VolumeOpenGLNew module as it was not as usable with OpenGL2
getting ready for primetime

10)  Added convenience API to SmartVolume Mapper

11) Cleaned up logic for dealing with context changes in Volume Mapper


Please let us know if you have any questions.

Thanks,


-- 



*| Aashish Chaudhary | Technical Leader         | Kitware Inc.            *
*| http://www.kitware.com/company/team/chaudhary.html
<http://www.kitware.com/company/team/chaudhary.html>*

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<div dir="ltr">Folks,  <div><br>We made some recent improvements to VTK volume \
rendering including fixes to related components. Here is a list of those changes:  \
</div><div><br></div><div>1) Now new GPU Volume Mapper respect Interpolation Type \
(Linear or Nearest). Default is Nearest as in the last GPU mapper.  \
</div><div><br></div><div>2) Shading is now twice as fast as before. There will be \
another branch to make it even faster.  </div><div><br></div><div>3) Fixed lighting \
bug (number of lights kept on increasing with change in volume \
property)</div><div><br></div><div>4) Saving and Restoring GL state properly for \
textures</div><div><br></div><div>5) Bias and Scale are now performed in Shader.  \
</div><div><br></div><div>6) We changed some GL texture format information to support \
OpenGL 3 context  </div><div><br></div><div>7) Fixed extensions were not reported \
correctly on GL2 context</div><div><br></div><div>8) Fixed few failing tests \
specifically on Mesa</div><div><br></div><div>9) Removed VolumeOpenGLNew module as it \
was not as usable with OpenGL2 getting ready for \
primetime</div><div><br></div><div>10)   Added convenience API to SmartVolume \
Mapper</div><div><br></div><div>11) Cleaned up logic for dealing with context changes \
in Volume Mapper</div><div><br></div><div><br></div><div>Please let us know if you \
have any questions.  </div><div><br></div><div>Thanks,</div><div><br \
clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><font \
face="trebuchet ms, sans-serif"><i>| Aashish Chaudhary <br>| Technical Leader         \
<br>| Kitware Inc.                  <br></i></font><div><i><font face="trebuchet ms, \
sans-serif">|  </font><a href="http://www.kitware.com/company/team/chaudhary.html" \
target="_blank">http://www.kitware.com/company/team/chaudhary.html</a></i></div></div></div>
 </div></div>



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