I'm not sure what you mean by extending to 2D and 3D. Point coordinates are always given in 3-space.
-Ken On 9/26/08 2:50 AM, "christopher mccabe" <[EMAIL PROTECTED]> wrote: > Thanks Kenneth. I hadn't inserted the vertices section, but now I have and it > works. > > But how do I extend to 2D and 3D? I expect the points and point data sections > to remain the same, but expect the vertices section to change. > > Chris > > > >> From: [EMAIL PROTECTED] >> To: [EMAIL PROTECTED]; [email protected] >> Date: Wed, 24 Sep 2008 09:37:47 -0600 >> Subject: Re: [Paraview] Unstructured Grids >> >> That is a pretty open ended question. Unstructured grids are defined by an >> array of point coordinates and a separate array of cell topologies. In your >> case, the list of points will simply correspond to each particle, and each >> cell will be a 0D cell (a vertex) that points to a single point. There are >> actually two types of unstructured data supported, poly data and >> unstructured grid. All things being equal, I would probably use the poly >> data type because you won't have to identify each cell type. >> >> ParaView supports multiple file formats for this type of data. One you can >> use is the legacy data format. It's not an optimal file format, but it's >> easy to make these files and the documentation is readily available from the >> VTK User's Guide and the ParaView wiki >> ((http://www.paraview.org/Wiki/images/5/51/VTK-File-Formats.pdf). This >> format does not support time natively, but you can write out a sequence of >> files with incremental numbering, and ParaView will read that as a time >> series. The files could look something like the following (with the <..> >> replaced with an appropriate value). >> >> # vtk DataFile Version 2.0 >> <A descriptive comment> >> ASCII >> >> DATASET POLYDATA >> POINTS <num_particles> double >> <P0x> <P0y> <P0z> >> <P1x> <P1y> <P1z> >> ... >> <Pn-1x> <Pn-1y> <Pn-1z> >> >> VERTICES <num_particles> <2*num_particles> >> 1 0 >> 1 1 >> ... >> 1 n-1 >> >> POINT_DATA <num_particles> >> SCALARS <field_name> double 1 >> LOOKUP_TABLE default >> S0 S1 ... Sn-1 >> >> -Ken >> >> >> On 9/24/08 3:18 AM, "christopher mccabe" <[EMAIL PROTECTED]> wrote: >> >>> >>> >>> Hi >>> >>> I am new to using Paraview and would like some assistance if possible. I am >>> researching particle dynamics and need to create files for unstructured >>> grids. >>> For the moment as I have just started all I have are particle locations, but >>> I >>> will later require several physcial variables for view. >>> >>> So I have a problem in which X number of particles are initially static and >>> after an initial shock the particles dissipate. I would like to view the >>> simulation of this by a Paraview animation of the particle locations >>> recorded >>> at fixed time intervals. >>> >>> What do I need to write in the vtk file for this , and why? >>> >>> I am using Paraview 3.2.2 >>> >>> Thanks in advance >>> >>> Chris >>> >>> >>> _________________________________________________________________ >>> Discover Bird's Eye View now with Multimap from Live Search >>> http://clk.atdmt.com/UKM/go/111354026/direct/01/ >>> _______________________________________________ >>> ParaView mailing list >>> [email protected] >>> http://www.paraview.org/mailman/listinfo/paraview >>> >> >> >> **** Kenneth Moreland >> *** Sandia National Laboratories >> *********** >> *** *** *** email: [EMAIL PROTECTED] >> ** *** ** phone: (505) 844-8919 >> *** fax: (505) 845-0833 >> >> >> > > > > Try Facebook in Windows Live Messenger! Try it Now! > <http://clk.atdmt.com/UKM/go/111354030/direct/01/> **** Kenneth Moreland *** Sandia National Laboratories *********** *** *** *** email: [EMAIL PROTECTED] ** *** ** phone: (505) 844-8919 *** fax: (505) 845-0833 _______________________________________________ ParaView mailing list [email protected] http://www.paraview.org/mailman/listinfo/paraview
