Just a quick answer, It seems to me that what you need to is what VTK calls a structured grid. You can find a bit of explaination and examples here: http://github.enthought.com/mayavi/mayavi/data.html#structuredgrid
HTH, Gael On Tue, Jun 21, 2011 at 06:08:45PM +0200, Ivan PRICE wrote: > i have a question which is possibly more of a generic VTK question than > specifically about Mayavi, but i'll see if anyone can offer me some > quick advice. > I have data outputted from a model arranged in a x,y,z grid. > the x and y grid is the same for all z levels, but the actual z values > for each point with the same z grid index varies.. that is, the actual z > value (in meters) of a cell varies across the same integer z value > (between the other x,y's). i hope thats clear. > so i have 3, 3d variables for my x,y, and z data.. and i build a dataset > like this: > mlab.pipeline.scalar_field(x, y, z, scalars) > however i see that it results in an ImageSource, and if i test to > visualise a dataset that is zero for all z values except one where it is > one, i see a flat plane, when i should see the varying z values for that > z level. > if i try to use a scalar_scatter, i get the results i expect when i > visualise using glyphs,(each z level follows the expected terrain), but > then i cannot to iso contours or cut planes, i think because i have lost > my connectivity info. running a delaunay 3d filter on the scalar_scatter > output gives me the results i need.. but it takes a long time and i feel > like i'm missing a better way to do this. > any ideas would be appreciated, i hope this makes sense. > thanks > -i > ------------------------------------------------------------------------------ > EditLive Enterprise is the world's most technically advanced content > authoring tool. Experience the power of Track Changes, Inline Image > Editing and ensure content is compliant with Accessibility Checking. > http://p.sf.net/sfu/ephox-dev2dev > _______________________________________________ > MayaVi-users mailing list > MayaVi-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/mayavi-users -- Gael Varoquaux Research Fellow, INSERM Associate researcher, INRIA Laboratoire de Neuro-Imagerie Assistee par Ordinateur NeuroSpin/CEA Saclay , Bat 145, 91191 Gif-sur-Yvette France Phone: ++ 33-1-69-08-78-35 Mobile: ++ 33-6-28-25-64-62 http://gael-varoquaux.info ------------------------------------------------------------------------------ EditLive Enterprise is the world's most technically advanced content authoring tool. Experience the power of Track Changes, Inline Image Editing and ensure content is compliant with Accessibility Checking. http://p.sf.net/sfu/ephox-dev2dev _______________________________________________ MayaVi-users mailing list MayaVi-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mayavi-users
