Thanks a lot. I Just tried the alternative suggested and it seems to work. Thanks again Sreejith
On Thu, Apr 16, 2009 at 6:11 PM, Utkarsh Ayachit < [email protected]> wrote: > The tube filter only allows for using point data for scaling the > tubes. Another alternative is create two data sources one for the > sphere and one for the lines, and have duplicate points for the line > ends with appropriate point data to avoid the tapering. In the end you > can use AppendPolyData filter to append the two datasets into one. > > Utkarsh > > On Thu, Apr 16, 2009 at 4:41 AM, Sreejith Kuttanikkad > <[email protected]> wrote: > > Dear all, > > On Wed, Apr 15, 2009 at 6:26 PM, Utkarsh Ayachit > > <[email protected]> wrote: > >> > >> Read in the sphere radii and tube radii as point data on the dataset > >> that you are creating. Both the glyph filter and the tube filter has > >> options that allow you to scale the glyph (and the tube) by point > >> data. > > > > I have been trying many things but still not able to get what i wanted. > For > > instance; please find a polydata xml file i created for a small cubic > > network (8 spheres and 12 tubes). > > > > <?xml version="1.0"?> > > <VTKFile type="PolyData" version="0.1" byte_order="LittleEndian"> > > <PolyData> > > <Piece NumberOfPoints="8" NumberOfVerts="0" NumberOfLines="12" > > NumberOfStrips="0" NumberOfPolys="0"> > > <Points> > > <DataArray type="Float32" NumberOfComponents="3" format="ascii"> > > 0 0 0 > > 1 0 0 > > 0 1 0 > > 1 1 0 > > 0 0 1 > > 1 0 1 > > 0 1 1 > > 1 1 1 > > </DataArray> > > </Points> > > <Lines> > > <DataArray type="Int32" Name="connectivity" format="ascii"> > > 0 1 2 3 0 2 1 3 4 5 6 7 4 6 5 7 0 4 1 5 2 6 3 7 > > </DataArray> > > <DataArray type="Int32" Name="offsets" format="ascii"> > > 2 4 6 8 10 12 14 16 18 20 22 24 > > </DataArray> > > </Lines> > > <PointData Scalars="sph_dia"> > > <DataArray type="Float32" Name="sph_dia" format="ascii"> > > 2 5 6 8 9 4 3 8 > > </DataArray> > > </PointData> > > </Piece> > > </PolyData> > > </VTKFile> > > > > > > If I read the above file with paraview and apply Glyph (sphere) and tube > > filter, I can view the network with spheres and tubes. If i choose the > scale > > mode scalar and choose sph_dia, i can view spheres with different size. > > Similarly If i choose "vary radius" option to tubes, the size of the tube > is > > varied based on the point data (sph_dia) and looks tapered (gradual > change > > in size) as shown in the attachment. But that is not I wanted. I have > tube > > diameter data and would like to be able to scale based on that and tube > > should have uniform diameter from one end to the other. Please let me > know > > if you have any suggestion or tips to attempt. > > > > thank you > > Sreejith > > IMFT Toulouse > > > > > > >
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