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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Hi all,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I used an unstructured grid to plot a continuous fringe (see
ContinuousFringe.jpg) below. The graduation of colors doesn’t look smooth
in the circled area, it goes from red to blue right away and not as suppose to
be gradient from red to blue. I used this portion of code to plot my
unstructured grid:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=green face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:green'>// convert from
unstructuredGrid to PolyData<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>vtkGeometryFilter *extract =
vtkGeometryFilter::New();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> extract->SetInput(m_pUnstructuredGrid);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>
extract->GetOutput()->ReleaseDataFlagOn();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>vtkPolyDataNormals *normals =
vtkPolyDataNormals::New(); <font color=green><span style='color:green'>// none<o:p></o:p></span></font></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>
normals->SetInputConnection(extract->GetOutputPort());<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>
normals->SetFeatureAngle(60.0);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'> <font color=green><span
style='color:green'>normals->GetOutput()->ReleaseDataFlagOn();<o:p></o:p></span></font></span></font></p>
<p class=MsoNormal><font size=2 color=green face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:green'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>vtkStripper *stripper = vtkStripper::New(); <font
color=green><span style='color:green'>// none<o:p></o:p></span></font></span></font></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>
stripper->SetInputConnection(normals->GetOutputPort());</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Please take a look at the attached file and let me know if i am
using the right filters to do my plot.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Thanks.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=FR-CA
style='font-size:12.0pt'>Naim Himrane <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=FR-CA
style='font-size:12.0pt'>ElectromagneticWorks Inc.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=FR-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
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