Could you share the code of your reader? If you prefer you can remove all specific stuff and keep only VTK related stuff. I would like to see how exactly you fetch the output grid to fill and how your filter defines its output.
Best, *Joachim Pouderoux*, PhD *Technical Expert - Scientific Computing Team* *Kitware SAS <http://www.kitware.fr>* 2017-01-13 3:17 GMT-04:00 Lodron, Gerald <gerald.lod...@joanneum.at>: > Nope, the data is then nearly empty (<1kByte), hiere the vti writer output: > > <VTKFile type="ImageData" version="1.0" byte_order="LittleEndian" > header_type="UInt64"> > <ImageData WholeExtent="0 -1 0 -1 0 -1" Origin="0 0 0" Spacing="1 1 1"> > <Piece Extent="0 -1 0 -1 0 -1" > > > <PointData Scalars="21745593"> > <DataArray type="UInt8" Name="21745593" format="appended" > RangeMin="1e+299" RangeMax="-1e+299" offset="0" > /> > </PointData> > <CellData> > </CellData> > </Piece> > </ImageData> > <AppendedData encoding="raw"> > _ > </AppendedData> > </VTKFile> > > Here the mhd header which I usually prefer, the “DimSize” is 0,0,0: > ObjectType = Image > NDims = 3 > BinaryData = True > BinaryDataByteOrderMSB = False > CompressedData = True > TransformMatrix = 1 0 0 0 1 0 0 0 1 > Offset = 0 0 0 > CenterOfRotation = 0 0 0 > ElementSpacing = 1 1 1 > DimSize = 0 0 0 > AnatomicalOrientation = ??? > ElementType = MET_UCHAR > ElementDataFile = test.zraw > > Von: Joachim Pouderoux [mailto:joachim.pouder...@kitware.com] > Gesendet: Donnerstag, 12. Jänner 2017 22:28 > An: Lodron, Gerald > Cc: Paraview Developer (paraview-develop...@paraview.org); Paraview User ( > paraview@paraview.org) > Betreff: Re: [Paraview-developers] [Paraview] vtkImageData Plugin, > vtkImageData not rendered > > OK. That's weired, your VTI is correct. > And what if you save the output of your filter/reader with ParaView "Save > Data"? Is data correctly saved and reloaded correctly? > Joachim > > > Joachim Pouderoux, PhD > Technical Expert - Scientific Computing Team > Kitware SAS > > 2017-01-11 8:14 GMT-04:00 Lodron, Gerald <gerald.lod...@joanneum.at>: > i have uploaded the vti onto > https://expirebox.com/download/60e7c1e8d177f282ae90d42f75e5ae50.html > the link is 48h accessible > > when I load the vti into paraview everything is visualized correctly > > Von: Paraview-developers [mailto:paraview-developers-boun...@paraview.org] > Im Auftrag von Lodron, Gerald > Gesendet: Mittwoch, 11. Jänner 2017 12:07 > > An: Joachim Pouderoux > Cc: Paraview Developer (paraview-develop...@paraview.org); Paraview User ( > paraview@paraview.org) > Betreff: Re: [Paraview-developers] [Paraview] vtkImageData Plugin, > vtkImageData not rendered > > Sorry for my late reply: > > “21745593” is correct, that’s the UID string of the sensor/camera which > generates the vtkImagedata, I set the string from its SDK…. I will try > writing the vti file for you…. > > > > Von: Joachim Pouderoux [mailto:joachim.pouder...@kitware.com] > Gesendet: Dienstag, 10. Jänner 2017 19:09 > An: Lodron, Gerald > Cc: Paraview Developer (paraview-develop...@paraview.org); Paraview User ( > paraview@paraview.org) > Betreff: Re: [Paraview-developers] [Paraview] vtkImageData Plugin, > vtkImageData not rendered > > Hmm sorry if I had took a closer look I would have seen that > AllocateScalars set a default name "ImageScalars" to the scalar array. > Then don't know what you did but the print says that the name of your > array is "21745593" which is quite strange. Is it what you did? > Could you write your "output" image data to a .VTI file using a > vtkXMLImageDataWriter after initializing it in your RequestData > function and see if you can load in with PV and view it? Share it if you > can't. > Best, > > > Joachim Pouderoux, PhD > Technical Expert - Scientific Computing Team > Kitware SAS > > 2017-01-10 2:00 GMT-04:00 Lodron, Gerald <gerald.lod...@joanneum.at>: > Here i printed my vtkImageDataOutput of my plugin in Request data, may > that helps…: > > output vtkImageData (00000087ABEB1260) > Debug: Off > Modified Time: 870183 > Reference Count: 1 > Registered Events: (none) > Information: 00000087AC049A90 > Data Released: False > Global Release Data: Off > UpdateTime: 195896 > Field Data: > Debug: Off > Modified Time: 870094 > Reference Count: 1 > Registered Events: (none) > Number Of Arrays: 0 > Number Of Components: 0 > Number Of Tuples: 0 > Number Of Points: 1920000 > Number Of Cells: 1917201 > Cell Data: > Debug: Off > Modified Time: 870179 > Reference Count: 1 > Registered Events: > Registered Observers: > vtkObserver (00000087ABC476A0) > Event: 33 > EventName: ModifiedEvent > Command: 00000087AC0495E0 > Priority: 0 > Tag: 1 > Number Of Arrays: 0 > Number Of Components: 0 > Number Of Tuples: 0 > Copy Tuple Flags: ( 1 1 1 1 1 0 1 1 ) > Interpolate Flags: ( 1 1 1 1 1 0 0 1 ) > Pass Through Flags: ( 1 1 1 1 1 1 1 1 ) > Scalars: (none) > Vectors: (none) > Normals: (none) > TCoords: (none) > Tensors: (none) > GlobalIds: (none) > PedigreeIds: (none) > EdgeFlag: (none) > Point Data: > Debug: Off > Modified Time: 870183 > Reference Count: 1 > Registered Events: > Registered Observers: > vtkObserver (00000087ABC475B0) > Event: 33 > EventName: ModifiedEvent > Command: 00000087AC0495E0 > Priority: 0 > Tag: 1 > Number Of Arrays: 1 > Array 0 name = 21745593 > Number Of Components: 1 > Number Of Tuples: 1920000 > Copy Tuple Flags: ( 1 1 1 1 1 0 1 1 ) > Interpolate Flags: ( 1 1 1 1 1 0 0 1 ) > Pass Through Flags: ( 1 1 1 1 1 1 1 1 ) > Scalars: > Debug: Off > Modified Time: 870148 > Reference Count: 2 > Registered Events: (none) > Name: 21745593 > Data type: unsigned char > Size: 1920000 > MaxId: 1919999 > NumberOfComponents: 1 > Information: 0000000000000000 > Name: 21745593 > Number Of Components: 1 > Number Of Tuples: 1920000 > Size: 1920000 > MaxId: 1919999 > LookupTable: (none) > Vectors: (none) > Normals: (none) > TCoords: (none) > Tensors: (none) > GlobalIds: (none) > PedigreeIds: (none) > EdgeFlag: (none) > Bounds: > Xmin,Xmax: (0, 1599) > Ymin,Ymax: (0, 1199) > Zmin,Zmax: (0, 0) > Compute Time: 870184 > Spacing: (1, 1, 1) > Origin: (0, 0, 0) > Dimensions: (1600, 1200, 1) > Increments: (0, 0, 0) > Extent: (0, 1599, 0, 1199, 0, 0) > > > > > > > Von: Paraview-developers [mailto:paraview-developers-boun...@paraview.org] > Im Auftrag von Lodron, Gerald > Gesendet: Dienstag, 10. Jänner 2017 06:49 > An: Joachim Pouderoux > Cc: Paraview Developer (paraview-develop...@paraview.org); Paraview User ( > paraview@paraview.org) > Betreff: Re: [Paraview-developers] [Paraview] vtkImageData Plugin, > vtkImageData not rendered > > Hi > > Good try but does not effect anything except the string in paraview’s > combo box. The strange thing is that I also cannot see anything in > spreadsheet view (empty cell and point data)… but on information tab point > data and cell data is there…. > > Von: Joachim Pouderoux [mailto:joachim.pouder...@kitware.com] > Gesendet: Montag, 09. Jänner 2017 19:40 > An: Lodron, Gerald > Cc: Paraview User (paraview@paraview.org); Paraview Developer ( > paraview-develop...@paraview.org) > Betreff: Re: [Paraview] vtkImageData Plugin, vtkImageData not rendered > > Hi Gerald, > Not sure it is the only issue but please try giving a name to the output > scalar arrays. > ParaView won't make visible arrays which don't have a name. > Example: > output->GetPointData()->GetScalars()->SetName("values"); > Best, > > > Joachim Pouderoux, PhD > Technical Expert - Scientific Computing Team > Kitware SAS > > 2017-01-09 5:20 GMT-04:00 Lodron, Gerald <gerald.lod...@joanneum.at>: > Hi > > I programmed successfully a plugin source wich generates a vtkImageData > output and made it the same way as on my 3d cloud plugins of vtkPolyData. > The source is inherited from vtkImageAlgorithm and only contains one output > with unsigned char array and one component. > > In the request data function of the filter I currently have a very dummy: > > output->SetDimensions(oData.imgSizeX, oData.imgSizeY, 1); > output ->AllocateScalars(VTK_UNSIGNED_CHAR, 1); > memcpy(output ->GetScalarPointer(), &oData.imgData[0], oData.imgSizeX* > oData.imgSizeY*sizeof(unsigned char)); > > in paraview I see in the information tab that I have an uniform > rectilinear grid with 1917201 cells and 1920000 points (image is > 1600*1200px). In data Arrays I get an "ImageScalars" of unsigned char and a > correct range of my memcopy data (my min max range is not 0,255 so data > seems to be there)... > > the problem is that I cannot see anything in the render view, any > suggestions what I am making wrong? I tested all representation (slice, > surface, outline, on Solid Color and on my array), never see anything..... > > I also compared the Information tab on a loaded jpeg image and cannot see > any difference (which is rendered in render view except the Array's string > name), by the way: can I disable "MapScalars" by default? > > I am using pv5.2 > > ------------------------------------------------------------ > ------------------------ > Gerald Lodron > > Researcher of Machine Vision Applications Group > DIGITAL - Institute for Information and Communication Technologies > > JOANNEUM RESEARCH Forschungsgesellschaft mbH > Steyrergasse 17, 8010 Graz, AUSTRIA > > phone: +43-316-876-1751 > general fax: +43-316-876-1751 > web: http://www.joanneum.at/digital > e-mail: gerald.lod...@joanneum.at > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at http://www.kitware.com/ > opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Search the list archives at: http://markmail.org/search/?q=ParaView > > Follow this link to subscribe/unsubscribe: > http://public.kitware.com/mailman/listinfo/paraview > > > >
_______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Search the list archives at: http://markmail.org/search/?q=ParaView Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/paraview
