On Wed, May 20, 2009 at 5:10 PM, Mark Fleharty <[email protected]>wrote:
> On Wed, May 20, 2009 at 4:44 AM, David Doria <[email protected]> wrote: > > On Tue, May 19, 2009 at 10:52 PM, Mark Fleharty <[email protected] > > > > wrote: > >> > >> Hello, > >> > >> I'm new to using Python with Paraview. I've been generating data in > >> the vts file format, and I would like to do some post processing on it > >> inside Paraview. > >> > >> I'm trying to read data from a structured grid and just get the > >> various values for different X, Y, and Z positions. > >> > >> I have a simple script that looks like: > >> > >> from paraview.servermanager import * > >> Connect() > >> > >> reader = sources.XMLStructuredGridReader(FileName="fields.vts") > >> extract=filters.ExtractGrid(Input=reader) > >> > >> So far this seems to work, I've been trying to figure out what methods > >> exist withing ExtractGrid and XMLStructuredGridReader that I can use > >> to find out what values I have at certain positions. > >> > >> Does anyone have a script that already does something similar? > >> > >> Thanks, > >> > >> Mark > >> > > > > In the python shell you can run dir(filters.ExtractGrid) and > > dir(sources.XMLStructuredGridReader) to see which methods are supported > in > > python. > > Thanks David. I've done dir and help on sources, filters, and many of > the member functions/variables. > > I did find that sources.XMLStructuredGridReader has a > GetDataInformation() member, and inside of that a DataInformation > variable that has a number of members that indicate that it has loaded > my data, but I'm still unable to find any member functions that can > retrieve the values of my data at particular grid points. > > Any help would be appreciated. > > Thanks, > > Mark > Sorry Mark, I can't figure it out either (I tried with XMLPolydatareader too). There seems to be a PointData member, but as you say I don't know how to get at the actual data. I guess we'll wait for one of the experts to reply :) Thanks, David
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