<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Dear all,</div><div class=""><br class=""></div><div class="">To demonstrate the issue that I am having, I will refer to the FourPaneViewer example that is bundled with VTK. This example replicates the issue that I am experiencing in my own application but only on the MacOS platform.</div><div class=""><br class=""></div><div class="">The attached image shows that the CT renders in the windows, but noticeably they only occupy the botton left corner of the QVTKWidget. This is not seen when compiling this example on Linux, but is a problem on MacOS.</div><div class=""><br class=""></div><div class="">The ouput on the command line that accompanies this behaviour is:-</div><div class=""><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">ERROR: In /opt/SOURCE/VTK/6.10.0/Rendering/OpenGL/vtkOpenGLRenderer.cxx, line 1202</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">vtkOpenGLRenderer (0x7fe502289a90): failed after Clear 1 OpenGL errors detected</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class=""> 0 : (1286) Invalid framebuffer operation</font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">ERROR: In /opt/SOURCE/VTK/6.10.0/Rendering/OpenGL/vtkOpenGLDisplayListPainter.cxx, line 188</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">vtkOpenGLDisplayListPainter (0x7fe5022b0c40): failed after RenderInternal 1 OpenGL errors detected</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class=""> 0 : (1286) Invalid framebuffer operation</font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">ERROR: In /opt/SOURCE/VTK/6.10.0/Rendering/OpenGL/vtkOpenGLDisplayListPainter.cxx, line 188</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">vtkOpenGLDisplayListPainter (0x7fe500f1ae00): failed after RenderInternal 1 OpenGL errors detected</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class=""> 0 : (1286) Invalid framebuffer operation</font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">ERROR: In /opt/SOURCE/VTK/6.10.0/Common/ExecutionModel/vtkTrivialProducer.cxx, line 279</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">vtkTrivialProducer (0x7fe5022861b0): This data object does not contain the requested extent.</font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">Nickys-MacBook-Pro:FourPaneViewer-build nppatt$ ./QtVTKRenderWindows ~/ClinicalData/LiverInsertPhantom/CT/</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">ERROR: In /opt/SOURCE/VTK/6.10.0/Rendering/OpenGL/vtkOpenGLRenderer.cxx, line 1202</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">vtkOpenGLRenderer (0x7fee4ae52be0): failed after Clear 1 OpenGL errors detected</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class=""> 0 : (1286) Invalid framebuffer operation</font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">ERROR: In /opt/SOURCE/VTK/6.10.0/Rendering/OpenGL/vtkOpenGLImageSliceMapper.cxx, line 574</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">vtkOpenGLImageSliceMapper (0x7fee4ae08b10): failed after RenderPolygon 1 OpenGL errors detected</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class=""> 0 : (1286) Invalid framebuffer operation</font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">ERROR: In /opt/SOURCE/VTK/6.10.0/Rendering/OpenGL/vtkOpenGLImageSliceMapper.cxx, line 574</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">vtkOpenGLImageSliceMapper (0x7fee4ae08b10): failed after RenderPolygon 1 OpenGL errors detected</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class=""> 0 : (1286) Invalid framebuffer operation</font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">ERROR: In /opt/SOURCE/VTK/6.10.0/Rendering/OpenGL/vtkOpenGLRenderer.cxx, line 1202</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">vtkOpenGLRenderer (0x7fee4ae98e60): failed after Clear 1 OpenGL errors detected</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class=""> 0 : (1286) Invalid framebuffer operation</font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo; min-height: 13px;"><font size="1" class=""><br class=""></font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">ERROR: In /opt/SOURCE/VTK/6.10.0/Rendering/OpenGL/vtkOpenGLImageSliceMapper.cxx, line 574</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class="">vtkOpenGLImageSliceMapper (0x7fee4ae94f90): failed after RenderPolygon 1 OpenGL errors detected</font></div><div class="" style="margin: 0px; font-family: Menlo;"><font size="1" class=""> 0 : (1286) Invalid framebuffer operation</font></div></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">All of this behaviour also affects mouse interactions (i.e. if I try to maniulate the cross-hairs, the mouse position is completely off.</div><div class=""><br class=""></div><div class="">Can anyone provide advice on the this, specifically for MacOS?</div><div class=""><br class=""></div><div class="">Regards, Nick.</div><div class=""><br class=""></div><img apple-inline="yes" id="08246B06-7441-4AD2-8272-ECC36785F540" height="592" width="794" apple-width="yes" apple-height="yes" src="cid:059EC03E-202F-4FE6-B84D-7128342BFC34@unmz.cz" class=""><br class=""><div apple-content-edited="true" class="">
<div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br class="Apple-interchange-newline"><br class=""></div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">========================================================================</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Dr Nick Patterson MPhys PhD PGCE AMInstP</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Department of Medical Physics</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Velindre Cancer Centre</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Whitchurch</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Cardiff</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">CF24 2TL</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br class=""></div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">NHS-email: <a href="mailto:nick.patterson@wales.nhs.uk" class="">nick.patterson@wales.nhs.uk</a></div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Preferred email (off-site access/regularly accessed): <a href="mailto:pattersonnp.work@gmail.com" class="">pattersonnp.work@gmail.com</a></div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">==========================================================================</div>
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