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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I hope someone can help me with this very simple issue.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have a surface stored in two double * as points and polygons (faces) which I can access using <span style='font-family:Consolas'>moved_shape_</span> an<span style='font-family:Consolas'>d get_faces_()</span>. I would like to read this into a vtkPolyData.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This is how I thought of doing it:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'> vtkSmartPointer<vtkPoints> points = vtkSmartPointer<vtkPoints>::New();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'> <span style='color:blue'>for</span> (<span style='color:blue'>int</span> i = 0; i < model_->get_moved_shape_rows_(); i+=3)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'> {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'> <span style='color:blue'>double</span> point[] = {model_->moved_shape_[i], model_->moved_shape_[i+1], model_->moved_shape_[i+2]};<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'> points->InsertNextPoint(point);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'> vtkSmartPointer<vtkCellArray> polygons = vtkSmartPointer<vtkCellArray>::New();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'> <span style='color:blue'>for</span> (<span style='color:blue'>int</span> i = 0; i < model_->get_faces_rows_(); i+=3)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'> </span><span lang=SV style='font-size:9.5pt;font-family:Consolas'>{ <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=SV style='font-size:9.5pt;font-family:Consolas'> vtkSmartPointer<vtkPolygon> polygon = vtkSmartPointer<vtkPolygon>::New();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=SV style='font-size:9.5pt;font-family:Consolas'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=SV style='font-size:9.5pt;font-family:Consolas'> polygon->GetPointIds()->SetNumberOfIds(3);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=SV style='font-size:9.5pt;font-family:Consolas'> polygon->GetPointIds()->SetId(model_->get_faces_()[i] - 1.0, 0);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=SV style='font-size:9.5pt;font-family:Consolas'> polygon->GetPointIds()->SetId(model_->get_faces_()[i + 1] - 1.0, 1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=SV style='font-size:9.5pt;font-family:Consolas'> polygon->GetPointIds()->SetId(model_->get_faces_()[i + 2] - 1.0, 2);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=SV style='font-size:9.5pt;font-family:Consolas'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=SV style='font-size:9.5pt;font-family:Consolas'> </span><span style='font-size:9.5pt;font-family:Consolas'>polygons->InsertNextCell(polygon);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'> vtkSmartPointer<vtkPolyData> polygonPolyData = vtkSmartPointer<vtkPolyData>::New();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.5pt;font-family:Consolas'> </span><span lang=SV style='font-size:9.5pt;font-family:Consolas'>polygonPolyData->SetPoints(points);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=SV style='font-size:9.5pt;font-family:Consolas'> polygonPolyData->SetPolys(polygons);<o:p></o:p></span></p><p class=MsoNormal><span lang=SV style='font-size:9.5pt;font-family:Consolas'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'>But it crashes at the line, <span style='font-family:Consolas'>polygons->InsertNextCell(polygon</span>), at the first iteration of the second for-loop. Seems like a memory allocation issue. <o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'>Call stack:<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'>> msvcr100d.dll!_heap_alloc_base(unsigned __int64 size=84) Line 55 C<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'> msvcr100d.dll!_heap_alloc_dbg_impl(unsigned __int64 nSize=32, int nBlockUse=1, const char * szFileName=0x0000000000000000, int nLine=0, int * errno_tmp=0x000000000012e910) Line 431 + 0xa bytes C++<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'> msvcr100d.dll!_nh_malloc_dbg_impl(unsigned __int64 nSize=32, int nhFlag=0, int nBlockUse=1, const char * szFileName=0x0000000000000000, int nLine=0, int * errno_tmp=0x000000000012e910) Line 239 + 0x22 bytes C++<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'> msvcr100d.dll!_nh_malloc_dbg(unsigned __int64 nSize=32, int nhFlag=0, int nBlockUse=1, const char * szFileName=0x0000000000000000, int nLine=0) Line 302 + 0x2a bytes C++<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'> msvcr100d.dll!_malloc_dbg(unsigned __int64 nSize=32, int nBlockUse=1, const char * szFileName=0x0000000000000000, int nLine=0) Line 160 + 0x22 bytes C++<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'> msvcr100d.dll!realloc_help(void * pUserData=0x0000000000000000, unsigned __int64 * pnNewSize=0x000000000012ea68, int nBlockUse=1, const char * szFileName=0x0000000000000000, int nLine=0, int fRealloc=1) Line 705 + 0x21 bytes C++<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'> msvcr100d.dll!_realloc_dbg(void * pUserData=0x0000000000000000, unsigned __int64 nNewSize=32, int nBlockUse=1, const char * szFileName=0x0000000000000000, int nLine=0) Line 1040 + 0x29 bytes C++<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'> msvcr100d.dll!realloc(void * pUserData=0x0000000000000000, unsigned __int64 nNewSize=32) Line 60 + 0x20 bytes C++<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'> vtkCommon.dll!vtkDataArrayTemplate<__int64>::ResizeAndExtend(__int64 sz=4) Line 355 + 0x1e bytes C++<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'> vtkCommon.dll!vtkDataArrayTemplate<__int64>::WritePointer(__int64 id=0, __int64 number=4) Line 865 + 0xf bytes C++<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'> vtkCommon.dll!vtkIdTypeArray::WritePointer(__int64 id=0, __int64 number=4) Line 129 + 0x3c bytes C++<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'> vtkFiltering.dll!vtkCellArray::InsertNextCell(__int64 npts=3, const __int64 * pts=0x00000000030c2420) Line 249 + 0x1f bytes C++<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'> vtkFiltering.dll!vtkCellArray::InsertNextCell(vtkCell * cell=0x00000000030e2cc0) Line 294 C++<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any help would be greatly appreciated!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Mikael<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>