Hello, thanks for the replies. I managed to get it working.
Pradeep Le 7 janv. 2013 à 18:27, Jens Kleimann <[email protected]> a écrit : > On 04.01.2013 04:19, Pradeep Jha wrote: >> Hello Jens, >> thanks for the response. It explained a lot. > > Pleasure! > >> I have been reading up about XDMF and am trying to implement it. My >> filename.h5 file just contains a scalar value for 512*512*512 grid points in >> a structured uniform cube. I don't store any grid coordinates information in >> any files. But all the material I have been reading for XDMF mention that I >> have to give grid information. Is there a simple way of conveying my uniform >> grid structure to XDMF or should I create a file with grid coordinates and >> make XDMF read it? > > In this simple case, you do not need a grid file with coordinates, but you > need to specify the type of grid and its origin and cell size so PV knows > where to locate the cells and what numbers to draw along the axes. The > (untested) sample file below should give you an idea of what is needed. This > grid cube has its origin at [0,0,0] and uses dx=dy=dz=0.1, i.e. it occupies > the cubic volume [0, 51.2]^3 in 3D space. Note that the grid size (513^3) has > to be larger than the number of data elements by one per direction because it > specifies the location of _nodes_ (corner vertices) of a cell. > You will need to adapt the path and name of the HDF5 file and the location of > your scalar data field within that file, the former being separated from the > latter by a ":". > > Good luck! > Jens. > > ======================== BEGIN file scalar_sample.xmf =============== > <?xml version="1.0" ?> > <!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []> > <Xdmf> > <Domain> > <Grid Name="my_Grid" GridType="Uniform"> > <Topology TopologyType="3DCoRectMesh" Dimensions="513 513 513"> > </Topology> > <Geometry GeometryType="Origin_DxDyDz"> > <DataItem Dimensions="3" NumberType="Float" Format="XML"> > 0 0 0 > </DataItem> > <DataItem Dimensions="3" NumberType="Float" Format="XML"> > 0.1 0.1 0.1 > </DataItem> > </Geometry> > <Attribute Name="my_Scalar" AttributeType="Scalar" Center="Cell"> > <DataItem Dimensions="512 512 512" NumberType="Float" Format="HDF"> > my_HDF_file.h5:/name_of_scalar_in_h5 > </DataItem> > </Attribute> > </Grid> > </Domain> > </Xdmf> > ========================= END file scalar_sample.xmf ================ _______________________________________________ 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
