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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I’ve solved this problem by adding a vtkLookupTable with a fixed number of colors to the vtkPolyDataMapper and by calling InterpolateScalarsBeforeMappingOn()
on the mapper. Now the picture looks as attached. Without a color range as specified by the vktLookupTable you get the original picture with blocky shapes.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks for your help, loading the vtkStructuredGrid data into ParaView helped pinpointing the problem: the absence of a lookup table for colors and enabling
interpolation of scalars on the mapper.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="NL" style="font-size:11.0pt;color:#1F497D">Best wishes,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="NL" style="font-size:11.0pt;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="NL" style="font-size:11.0pt;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="NL" style="font-size:11.0pt;color:#1F497D">Menno Deij<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<td colspan="2"><font color="#7d7d7d" size="2" face="Arial"><img id="IMG1" border="0" align="absMiddle" src="cid:image97921a.JPG@c1588e51.4a962db5" width="60" height="19"><img id="IMG1" border="0" align="bottom" src="cid:imaged35522.JPG@6a735d7e.4c917f9e" width="410" height="26"></font></td>
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<p class="44b69221-e828-4dbc-b3c7-4536c25d5e4f"><font face="Arial"><font size="2" face="Arial"><font color="#7d7d7d">dr. ir. Menno A. Deij</font></font></font></p>
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<p class="44b69221-e828-4dbc-b3c7-4536c25d5e4f"><span style="FONT-SIZE: 10pt"><font face="Arial"><font color="#7d7d7d"></font><span style="color: #7D7D7D; ">Software Engineer</span></font></span></p>
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<td><span style="FONT-SIZE: 10pt"><font color="#7d7d7d" face="Arial">Maritime Simulation Group</font></span></td>
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<p class="44b69221-e828-4dbc-b3c7-4536c25d5e4f"><font color="#7d7d7d" size="2" face="Arial"><strong>MARIN</strong></font></p>
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<td><font color="#7d7d7d" size="2" face="Arial">2, Haagsteeg</font></td>
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<a href="mailto:M.Deij@marin.nl" title="Click to send email to Deij, Menno" target="">
M.Deij@marin.nl</a></font></font></font></td>
<td><font color="#7d7d7d" size="2" face="Arial">P.O. Box 28</font></td>
<td><font color="#7d7d7d" size="2" face="Arial">T +31 317 49 39 11</font></td>
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<td><font color="#7d7d7d" size="2" face="Arial">The Netherlands</font></td>
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<p><font color="#7d7d7d" size="2" face="Arial">MARIN news: </font><span style="font-family:Arial; font-size:x-small; color: #366092; "><span style="color: #366092; text-decoration: underline; "><span style="color: #366092; text-decoration: underline; "><a href="http://www.marin.nl/web/News/News-items/Are-you-a-PhDMSc-student-with-no-fear-of-depth.htm" title="" target=""><span style="color: #366092; text-decoration: underline; ">Are
you a PhD/MSc student with no fear of depth?</span></a></span></span><br>
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