<div dir="ltr">Yes, I suspect the class needs to be fixed. If you have a VTK build you can try editing vtkFollower.cxx to include the following line<div><br></div><div><div> this->Device->SetTexture(this->GetTexture());</div></div><div><br></div><div>around line number 272 (right before the ComputeMatrix call)</div><div><br></div><div>if that works I can put in a fix </div><div><br></div><div>Ken</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Aug 12, 2016 at 1:37 PM, Roberto Gori <span dir="ltr"><<a href="mailto:r.gori@cineca.it" target="_blank">r.gori@cineca.it</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<div dir="ltr">
<div style="FONT-SIZE:12pt;FONT-FAMILY:'Calibri';COLOR:#000000">
<div>Hi,</div>
<div> </div>
<div>thx for your answer <img style="BORDER-TOP-STYLE:none;BORDER-BOTTOM-STYLE:none;BORDER-RIGHT-STYLE:none;BORDER-LEFT-STYLE:none" alt="Sorriso" src="cid:CE1190B085064691AFBC569FAD487336@int.cineca.it"></div>
<div> </div>
<div>you are right but the result is the same.</div>
<div> </div>
<div>it works using a vtkActor instead of a vtkFollower.</div>
<div style="FONT-SIZE:small;TEXT-DECORATION:none;FONT-FAMILY:"Calibri";FONT-WEIGHT:normal;COLOR:#000000;FONT-STYLE:normal;DISPLAY:inline">
<div style="FONT:10pt tahoma">
<div><font size="3" face="Calibri"></font> </div>
<div style="BACKGROUND:#f5f5f5">
<div><b>From:</b> <a title="ken.martin@kitware.com" href="mailto:ken.martin@kitware.com" target="_blank">Ken Martin</a> </div>
<div><b>Sent:</b> Friday, August 12, 2016 7:02 PM</div>
<div><b>To:</b> <a title="r.gori@cineca.it" href="mailto:r.gori@cineca.it" target="_blank">Roberto
Gori</a> </div>
<div><b>Cc:</b> <a title="vtk-developers@vtk.org" href="mailto:vtk-developers@vtk.org" target="_blank">VTK Developers</a> </div>
<div><b>Subject:</b> Re: [vtk-developers] possible bug in vtk 7.1 -
OpenGL2</div></div></div>
<div> </div></div>
<div style="FONT-SIZE:small;TEXT-DECORATION:none;FONT-FAMILY:"Calibri";FONT-WEIGHT:normal;COLOR:#000000;FONT-STYLE:normal;DISPLAY:inline">
<div dir="ltr">What happens if you remove the TextureMapToPlane? PlaneSource
generates texture coordinate by default. So connect that directly to the mapper
and what happens?</div>
<div class="gmail_extra">
<div> </div>
<div class="gmail_quote">On Fri, Aug 12, 2016 at 12:21 PM, Roberto Gori <span dir="ltr"><<a href="mailto:r.gori@cineca.it" target="_blank">r.gori@cineca.it</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT:1ex;MARGIN:0px 0px 0px 0.8ex;BORDER-LEFT:#ccc 1px solid">
<div dir="ltr">
<div dir="ltr">
<div style="FONT-SIZE:12pt;FONT-FAMILY:'Calibri';COLOR:#000000">
<div>Hi,</div>
<div> </div>
<div>sorry for cross-posting but no one is answering to my question on the
vtkusers list.</div>
<div> </div>
<div><font face="Times New Roman">As you can see running this code the plane
is visualized without texture.</font></div>
<div><font face="Times New Roman"></font> </div>
<div><font face="Times New Roman">I think the problem is in rendering a
texture on a vtkFollower. </font></div>
<div><font face="Times New Roman">Can someone open a bug on
Mantis?</font> </div>
<div><font face="Times New Roman"><font face="Calibri"></font></font> </div>
<div><br>#include <vtkImageData.h><br>#include
<vtkJPEGReader.h><br>#include <vtkPolyDataMapper.h><br>#include
<vtkPolyData.h><br>#include <vtkSmartPointer.h><br>#include
<vtkTextureMapToPlane.h><br>#include
<vtkPlaneSource.h><br>#include <vtkTexture.h><br>#include
<vtkRenderer.h><br>#include <vtkRenderWindow.h><br>#include
<vtkRenderWindowInteractor.h><br>#include
<vtkFollower.h><br>#include <vtkVersion.h><br><br>int main ( int
argc, char *argv[] )<br>{<br>// Parse command line arguments<br>if ( argc != 2
)<br>{<br>std::cerr << "Usage: " << argv[0] << " Filename"
<< std::endl;<br>return EXIT_FAILURE;<br>}<br><br>std::cout <<
"VTK version:" << vtkVersion::GetVTKVersion() <<
std::endl;<br><br>std::string inputFilename = argv[1];<br><br>// Read the
image which will be the texture<br>vtkSmartPointer<vtkJPEGReader>
jPEGReader
=<br>vtkSmartPointer<vtkJPEGReader><wbr>::New();<br>jPEGReader->SetFileName
( inputFilename.c_str() );<br><br>// Create a
plane<br>vtkSmartPointer<vtkPlaneSource<wbr>> plane
=<br>vtkSmartPointer<vtkPlaneSource<wbr>>::New();<br>plane->SetCenter(0.0,
0.0, 0.0);<br>plane->SetNormal(0.0, 0.0, 1.0);<br><br>// Apply the
texture<br>vtkSmartPointer<vtkTexture> texture
=<br>vtkSmartPointer<vtkTexture>::N<wbr>ew();<br>texture->SetInputConnection(jP<wbr>EGReader->GetOutputPort());<br><br>vtkSmartPointer<vtkTextureMapT<wbr>oPlane>
texturePlane
=<br>vtkSmartPointer<vtkTextureMapT<wbr>oPlane>::New();<br>texturePlane->SetInputConnecti<wbr>on(plane->GetOutputPort());<br><br>vtkSmartPointer<vtkPolyDataMap<wbr>per>
planeMapper
=<br>vtkSmartPointer<vtkPolyDataMap<wbr>per>::New();<br>planeMapper->SetInputConnectio<wbr>n(texturePlane->GetOutputPort(<wbr>));<br><br>vtkSmartPointer<vtkFollower>
texturedPlane
=<br>vtkSmartPointer<vtkFollower>::<wbr>New();<br>texturedPlane->SetMapper(plane<wbr>Mapper);<br>texturedPlane->SetTexture(text<wbr>ure);<br><br><br>//
Visualize the textured plane<br>vtkSmartPointer<vtkRenderer> renderer
=<br>vtkSmartPointer<vtkRenderer>::<wbr>New();<br>renderer->AddActor(texturedPla<wbr>ne);<br><br>renderer->SetBackground(.1,
.2, .3); // Background color dark
blue<br>renderer->ResetCamera();<br><br>texturedPlane->SetCamera(rende<wbr>rer->GetActiveCamera());<br><br><br>vtkSmartPointer<vtkRenderWindo<wbr>w>
renderWindow
=<br>vtkSmartPointer<vtkRenderWindo<wbr>w>::New();<br>renderWindow->AddRenderer(rend<wbr>erer);<br><br>vtkSmartPointer<vtkRenderWindo<wbr>wInteractor>
renderWindowInteractor
=<br>vtkSmartPointer<vtkRenderWindo<wbr>wInteractor>::New();<br>renderWindowInteractor->SetRen<wbr>derWindow(renderWindow);<br><br>renderWindow->Render();<br><br>renderWindowInteractor->Start(<wbr>);<br><br>return
EXIT_SUCCESS;<br>}<br></div>
<div> </div>
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<div> </div>-- <br>
<div data-smartmail="gmail_signature">Ken Martin PhD
<div>Chairman & CFO<br>Kitware Inc.<br>28 Corporate Drive<br>Clifton Park NY
12065<br><a href="tel:518%20371%203971" value="+15183713971" target="_blank">518 371 3971</a>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature">Ken Martin PhD<div>Chairman & CFO<br>Kitware Inc.<br>28 Corporate Drive<br>Clifton Park NY 12065<br>518 371 3971<div><br></div><div><span style="font-size:10pt;font-family:Tahoma,sans-serif">This communication,
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