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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>I try to implement a </span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>vtkPolyDataAlgorithm </span><span lang=EN-US>filter as plugin in PV. The filter has 2 inputs: (1) vtkPolyData and (2) vtkImageData. Within the xml-file the different data types are declared:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US> <InputProperty<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> name="3DModel"<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> port_index="0"<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> command="SetInputConnection"><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <ProxyGroupDomain name="groups"><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <Group name="sources"/><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <Group name="filters"/><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> </ProxyGroupDomain><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <DataTypeDomain name="input_type"><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <DataType value="vtkPolyData"/><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> </DataTypeDomain><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> </InputProperty><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <InputProperty<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> name="3DVolume"<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> port_index="1"<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> command="SetInputConnection"><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <ProxyGroupDomain name="groups"><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <Group name="sources"/><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <Group name="filters"/><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> </ProxyGroupDomain><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <DataTypeDomain name="input_type"><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <DataType value="vtkImageData"/><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> </DataTypeDomain><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> </InputProperty><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The code compiles without error and the plugin can be loaded into PV. But when I select the plugin in PV the following error occurs:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.5pt;font-family:Courier;color:maroon;mso-fareast-language:DE'>ERROR: In ..\..\..\VTK\Filtering\vtkDemandDrivenPipeline.cxx, line 827</span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:DE'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.5pt;font-family:Courier;color:maroon;mso-fareast-language:DE'>vtkPVCompositeDataPipeline (1FBD9388): Input for connection index 0 on input port index 1 for algorithm vtkCTOAM(1F9E8D80) is of type vtkImageData, but a vtkPolyData is required.</span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:DE'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.5pt;font-family:Courier;color:maroon;mso-fareast-language:DE'>ERROR: In ..\..\..\VTK\Filtering\vtkDemandDrivenPipeline.cxx, line 827</span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:DE'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.5pt;font-family:Courier;color:maroon;mso-fareast-language:DE'>vtkPVCompositeDataPipeline (1FBD9388): Input for connection index 0 on input port index 1 for algorithm vtkCTOAM(1F9E8D80) is of type vtkImageData, but a vtkPolyData is required.</span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:DE'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.5pt;font-family:Courier;color:maroon;mso-fareast-language:DE'>ERROR: In ..\..\..\VTK\Filtering\vtkDemandDrivenPipeline.cxx, line 827</span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:DE'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.5pt;font-family:Courier;color:maroon;mso-fareast-language:DE'>vtkPVCompositeDataPipeline (1FBD9388): Input for connection index 0 on input port index 1 for algorithm vtkCTOAM(1F9E8D80) is of type vtkImageData, but a vtkPolyData is required.</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Obviously, the plugin does only accept polydata as input, because it is based on a </span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>vtkPolyDataAlgorithm </span><span lang=EN-US>filter. Is there a way I could mix both data types as input to a </span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>vtkPolyDataAlgorithm?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>Regards, Peter.</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt'>---------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt'>Prof. Dr. Peter Böttcher, DipECVS<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt'>European Veterinary Specialist in Surgery <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt'>Fachtierarzt für Kleintierchirurgie <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt'>Klinik für Kleintiere <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt'>Universität Leipzig <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt'>An den Tierkliniken 23<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt'>D-04103 Leipzig (Germany)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt'>Tel: +49-341-9738700<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt'>Fax: +49-341-9738799<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt'>Email: </span><span style='font-size:9.0pt'><a href="mailto:boettcher@kleintierklinik.uni-leipzig.de"><span lang=EN-US style='color:blue'>boettcher@kleintierklinik.uni-leipzig.de</span></a></span><span lang=EN-US style='font-size:9.0pt'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>