Try adding: DataRepresentation2.ColorArrayName = 'volume_scalars'
Utkarsh On Wed, Aug 24, 2011 at 7:02 PM, Jesus Pulido <[email protected]> wrote: > I am trying to volume render an unstructured grid of points using pvbatch > but I am getting an error: > > ERROR: In > /home/user/Programs/ParaView-3.11.1-git/ParaView/VTK/VolumeRendering/vtkUnstructuredGridVolumeRayCastMapper.cxx, > line 211 > vtkUnstructuredGridVolumeRayCastMapper (0x2473a40): Can't use the ray cast > mapper without scalars! > > When trying to use Bunyk Ray casting > > and > > ERROR: In > /home/user/Programs/ParaView-3.11.1-git/ParaView/VTK/VolumeRendering/vtkOpenGLProjectedTetrahedraMapper.cxx, > line 237 > vtkOpenGLProjectedTetrahedraMapper (0x2ab3190): Can't use projected > tetrahedra without scalars! > > When trying to use Projected tetra. > > I am using the "latest" git version as of today. I also tried with PV3.10.1 > 64bit linux binary and I am having the same error with pvbatch. > > > Here is the script that I am using in pvbatch. I generated this script with > the help from using python trace within paraview (where the rendering > works). I think it tries to reference the data under > > Threshold1.Scalars = ['POINTS', 'volume_scalars'] > > but even if I comment this line out of my script I obtain the same error as > above so somehow it's not able to reference the scalar points. > -------- > try: paraview.simple > except: from paraview.simple import * > paraview.simple._DisableFirstRenderCameraReset() > > wavelet_ = XMLImageDataReader( FileName=['/home/wavelet.vti'] ) > > wavelet_.CellArrayStatus = [] > wavelet_.PointArrayStatus = ['volume_scalars'] > > RenderView4 = GetRenderView() > RenderView4.CameraViewUp = [0.0, 0.0, 1.0] > RenderView4.CameraPosition = [-725.7466298125642, 127.5, 127.5] > RenderView4.CameraFocalPoint = [127.5, 127.5, 127.5] > RenderView4.CameraClippingRange = [590.9891635144385, 1185.4328292597527] > RenderView4.Background = [0.0, 0.0, 0.0] > RenderView4.CenterAxesVisibility = 0 > RenderView4.OrientationAxesVisibility = 0 > RenderView4.ViewSize = [800, 600] > > SetActiveSource(wavelet_) > Threshold1 = Threshold() > > a1_volume_scalars_PVLookupTable = GetLookupTableForArray( "volume_scalars", > 1, RGBPoints=[1.9, 0.0, 1.0, 0.0, 1.95, 1.4972662149337713e-07, 1.0, > 0.0014876325368879406, 2.0, 0.0, 0.996078431372549, 0.0, 2.05, > 1.6337586200641548e-07, 1.0, 0.0015525676008689975, 2.1, > 1.2838779441233928e-07, 1.0, 0.0013859544585118407] ) > a1_volume_scalars_PiecewiseFunction = CreatePiecewiseFunction() > a1_volume_scalars_PiecewiseFunction.Points = [1.9, 0.1, 1.95, 0.5, 2.0, 1.0, > 2.05, 0.5, 2.1, 0.1] > > Threshold1 = GetActiveSource() > Threshold1.Scalars = ['POINTS', 'volume_scalars'] > Threshold1.ThresholdRange = [1.9, 2.1] > > DataRepresentation2 = Show() > DataRepresentation2 = GetDisplayProperties(Threshold1) > DataRepresentation2.EdgeColor = [0.0, 0.0, 0.5000076295109483] > DataRepresentation2.SelectMapper = 'Fixed point' > DataRepresentation2.ScalarOpacityFunction = > a1_volume_scalars_PiecewiseFunction > DataRepresentation2.ScalarOpacityUnitDistance = 7.74209043877865 > DataRepresentation2.LookupTable = a1_volume_scalars_PVLookupTable > DataRepresentation2.Representation = 'Volume' > DataRepresentation2.SelectMapper = 'Bunyk ray cast' > > Render() > > ----- > > > Jesus > > _______________________________________________ > 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 > > Follow this link to subscribe/unsubscribe: > http://www.paraview.org/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 Follow this link to subscribe/unsubscribe: http://www.paraview.org/mailman/listinfo/paraview
