[vtkusers] Fwd: XDMF and hyperslabs
victor sv
victorsv at gmail.com
Wed Aug 26 06:31:22 EDT 2015
Hi David,
it seems that if I go to the "Version 3" (
http://www.xdmf.org/index.php/Version_3) section of the XDMF web page it
only has a link to XDMF version 2 git repository (git://
public.kitware.com/Xdmf2.git).
I cannot find a public repo for XDMF v3, could you send me a link to the
public git repo for XDMF v3?
Thanks again,
Víctor.
2015-08-26 5:38 GMT+02:00 David E DeMarle <dave.demarle at kitware.com>:
> Hi Victor,
>
> ARL and Kitware are the primary developers of Xdmf, but everyone is
> invited to contribute to the project.
>
> Yes xdmf3 has not yet replaced xdmf2 within ParaView. The binaries for the
> next ParaView release (the release candidate should have it) will have both
> turned on. Over the next few releases xdmf2 will be deprecated and then
> removed from ParaView.
>
> xdmf itself can be built apart from VTK. On the xdmf wiki there are links
> to the repositories that you can check out to build it standalone. What you
> see in VTK/Thirdparty is a clone of parts of that standalone library. The
> VTK interface to it is in VTK/IO.
>
> hth
>
>
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
> On Wed, Aug 19, 2015 at 12:03 PM, victor sv <victorsv at gmail.com> wrote:
>
>> Thanks Dan,
>>
>> it was an error in the XDMF file and it seems that is a valid format for
>> Xdmf2. I comment the error between lines below.
>>
>> In a post that I sent to XDMF mailing list they say me that Xdmf3 is not
>> by default in Paraview and I have to compile the sources with the correct
>> options enabling Xdmf3.
>>
>> My problem with the versions is that the XDMF documentation and library
>> versions is not "synchronized". It seems that Kitware is who is developing
>> Xdmf3, but there isn't an stand-alone library, it only exists inside VTK
>> project. I'm right?
>>
>> Thanks again,
>> Víctor.
>>
>>
>> 2015-08-18 4:09 GMT+02:00 Dan Lipsa <dan.lipsa at kitware.com>:
>>
>>> There are (advanced) options to enable either xdmf2 or xdmf3 in VTK.
>>>
>>> On Fri, Aug 14, 2015 at 6:27 AM, victor sv <victorsv at gmail.com> wrote:
>>>
>>>>
>>>> ---------- Forwarded message ----------
>>>> From: victor sv <victorsv at gmail.com>
>>>> Date: 2015-08-14 12:25 GMT+02:00
>>>> Subject: XDMF and hyperslabs
>>>> To: vtkdev <vtk-developers at vtk.org>, vtk-users at vtk.org, "
>>>> paraview at paraview.org" <paraview at paraview.org>
>>>>
>>>>
>>>> Hello all,
>>>>
>>>> I'm trying to create and visualize an XDMF/HDF5 file containing a
>>>> partitioned mesh using hyperslabs.
>>>>
>>>> Is this supported by Paraview/VTK ??
>>>>
>>>> The HDF5 (solution1.h5) looks as follows:
>>>>
>>>> GROUP "/" {
>>>> GROUP "Grid" {
>>>> DATASET "Connectivities" {
>>>> DATATYPE H5T_STD_I32BE
>>>> DATASPACE SIMPLE { ( 18 ) / ( 18 ) }
>>>> DATA {
>>>> (0): 0, 1, 2, 3, 2, 1, 4, 5, 6, 7, 6, 5, 6, 7, 8, 9, 8, 7
>>>> }
>>>> }
>>>> DATASET "Coordinates" {
>>>> DATATYPE H5T_IEEE_F64BE
>>>> DATASPACE SIMPLE { ( 20 ) / ( 20 ) }
>>>> DATA {
>>>> (0): 0, 0, 1, 0, 0, 0.5, 1, 0.5, 0, 0.5, 1, 0.5, 0, 1, 1, 1,
>>>> 0, 1.5,
>>>> (18): 1, 1.5
>>>> }
>>>> }
>>>> DATASET "Solution" {
>>>> DATATYPE H5T_IEEE_F64BE
>>>> DATASPACE SIMPLE { ( 10 ) / ( 10 ) }
>>>> DATA {
>>>> (0): 0, 0, 0, 0, 1, 1, 1, 1, 1, 1
>>>> }
>>>> }
>>>> }
>>>> }
>>>>
>>>> And the XDMF file to represent a 2-triangle (4 points) piece of the
>>>> full mesh is:
>>>>
>>>> <?xml version="1.0" encoding="utf-8"?>
>>>> <Xdmf xmlns:xi="http://www.w3.org/2001/XInclude">
>>>> <Domain>
>>>> <Grid CollectionType="Spatial" GridType="Collection" Name="Mesh">
>>>> <Grid Name="Grid1">
>>>> <Topology Dimensions="6" Type="Triangle">
>>>> <DataItem ItemType="HyperSlab" Dimensions="6"
>>>> Type="HyperSlab">
>>>>
>>>
>> The problem is here, the correct dimensions are 2 (triangles) and not 6
>> (integers)
>>
>> <DataItem Dimensions="3 1" Format="XML"> 0 1 6 </DataItem>
>>>> <DataItem DataType="Int" Dimensions="18" Format="HDF"
>>>> Precision="4">solution1.h5:Grid/Connectivities</DataItem>
>>>> </DataItem>
>>>> </Topology>
>>>> <Geometry GeometryType="XY">
>>>> <DataItem ItemType="HyperSlab" Dimensions="8"
>>>> Type="HyperSlab">
>>>> <DataItem Dimensions="3 1" Format="XML"> 0 1 8 </DataItem>
>>>> <DataItem DataType="Float" Dimensions="20" Format="HDF"
>>>> Precision="8">solution1.h5:Grid/Coordinates</DataItem>
>>>> </DataItem>
>>>> </Geometry>
>>>> </Grid>
>>>> </Grid>
>>>> </Domain>
>>>> </Xdmf>
>>>>
>>>> I'm trying to use the syntax explained at the XDMF webpage (
>>>> http://www.xdmf.org/index.php/XDMF_Model_and_Format ), but I'm feeling
>>>> confused about the version of the documentation and current version of XDMF
>>>> library included in VTK library.
>>>>
>>>> Can anyone give me some info about this?
>>>> It is XDMFv3 already public ?
>>>>
>>>>
>>>> Thanks in advance,
>>>> Víctor.
>>>>
>>>>
>>>>
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>>>
>>
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>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
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>>
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