<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt">Hello All,<br><br>I'm having a horizon viewer as follow:<br><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span><span>/*****************************************************************/<br></span>/* </span><span class="tab"></span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span>PipeHorizon</span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span
class="tab"> </span><span class="tab"></span><span class="tab"></span><span></span><span class="tab"></span><span>*/<br></span><span><span>/*****************************************************************/<br></span>/* </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span>vtkSingleValueHorizonReader </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span
class="tab"></span><span>*/<br>/* </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span>|</span><span class="tab"></span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span>*/<br>/* </span><span
class="tab"> </span><span class="tab"> </span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span>vtkImageDataGeometryFilter </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span>*/<br>/*</span><span class="tab"></span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span>
| </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span>*/<br>/* </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span>vtkWarpScalar </span><span class="tab"> </span><span class="tab"> </span><span
class="tab"> </span><span class="tab"> </span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span>*/<br>/* </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span> | </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span
class="tab"></span><span>*/<br>/* </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"></span><span class="tab"></span><span>vtkElevationFilter </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span>*/<br></span><span><span>/* </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span>
| </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"> </span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span class="tab"></span><span>*/<br></span>/* vtkTriangleFilter */<br>/*
| */<br>/* vtkDecimatePro */<br>/* | */<br>/*
vtkWindowedSincPolyDataFilter */<br>/* | */<br>/* vtkPolyDataNormals
*/<br>/* | */<br>/* vtkStripper */<br>/*
| */<br>/* vtkTransformPolyDataFilter */<br>/* | */<br>/*
vtkPolydataMapper */<br>/* | */<br>/* vtkActor */<br>/*****************************************************************/<br></span></span><br><div>It
works as needed so far but now I need to add/display iso contour to the mesh that I display through the vtkActor, these countours will be representative of the elevation...</div><div><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: times new roman,new york,times,serif; background-color: transparent; font-style: normal;">How can I do that?</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: times new roman,new york,times,serif; background-color: transparent; font-style: normal;">Do I need to use a different vtkActor to render the iso-contour?</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: times new roman,new york,times,serif; background-color: transparent; font-style: normal;"><span>I guess that I can take the output from </span><span><span>vtkWindowedSincPolyDataFilter (smoothing) and then go through a vtkContourFilter</span> then transform, map...</span></div><div style="color: rgb(0, 0, 0);
font-size: 16px; font-family: times new roman,new york,times,serif; background-color: transparent; font-style: normal;"><br><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;"></span></div><div style="color: rgb(0, 0, 0); font-size: 16px; background-color: transparent; font-style: normal;"><span>But I'm not sure about how to have my two actors cohexisting and being able to "see" both (colored mesh of the volume and iso-contour lines) without having to deal with some transparency...</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; background-color: transparent; font-style: normal;"><br><span></span></div><div style="color: rgb(0, 0, 0); font-size: 16px; background-color: transparent; font-style: normal;"><span>Any suggestion will be very appreciated!</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; background-color: transparent; font-style: normal;"><br><span></span></div><div style="color: rgb(0, 0, 0);
font-size: 16px; background-color: transparent; font-style: normal;"><span>Thank you by advance,</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: Courier New,courier,monaco,monospace,sans-serif; background-color: transparent; font-style: normal;"><span style="font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style="font-family: times new roman,new york,times,serif;">Sebastien.</span><br></span></div></div></body></html>