Ah, I understand. There is no general solution to this problem in VTK/ParaView. Texture coordinates is probably closest. You can look at Texture map to ... filters. Essentially, you need to write a filter that computes the parametric coordinates for the kind of surface you are interested it.
-berk On Mon, Nov 9, 2009 at 10:27 AM, Fred Fred <[email protected]> wrote: > I mean I would like for instance to have my surface colored by a function of > u, u being the value of the parametric coordinate, given an origin on the > surface. > BTW using parametric coordinates in a filter would require having these > parametric coordinates available, which, for an arbitrary surface, would > involve computing it, so this is the same problem: how to compute those > parametric coordinates? > >> Date: Mon, 9 Nov 2009 09:04:53 -0500 >> Subject: Re: [Paraview] Switching to parametric coordinates >> From: [email protected] >> To: [email protected] >> CC: [email protected] >> >> I am not sure I understand what you mean. You want to use parametric >> coordinates inside a filter? >> >> On Sun, Nov 8, 2009 at 1:37 PM, Fred Fred <[email protected]> wrote: >> > I wonder if it is possible to switch to parametric coordinates, either >> > on a >> > curve or on a surface, given an arbitrary origin and arbitrary u or >> > (u,v) >> > unit vectors? >> > >> > >> > ________________________________ >> > Nouveau! Découvrez le Windows phone Samsung Omnia II disponible chez >> > SFR. >> > Cliquez ici >> > _______________________________________________ >> > 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 >> > >> > > > ________________________________ > Nouveau! Découvrez le Windows phone Samsung Omnia II disponible chez SFR. > Cliquez ici _______________________________________________ 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
