Hi Raj, could you send the piece of code that update those RGBPoints values ?
Thanks, Seb On Thu, May 19, 2011 at 12:58 PM, Rajvikram Singh <rajvikr...@yahoo.com>wrote: > Hi Utkarsh > I'm using Jquery to load the .XML files. It works without any problems > the first time and RGBPoints extracted from the XML are applied correctly. > > The problem arises when the users selects a different XML file (different > colormap). When the GetLookupTableForArray is called again with the new set > of RGBPoints, the visualization does not look correct. It looks like the the > lookuptable maintained the earlier RGBPoints and merged the new set with the > old. > > I was wondering if this was a bug or if their was a way to reset the lut to > forget the old RGBPoints > > Thanks > Raj > > > --- On *Thu, 19/5/11, Utkarsh Ayachit <utkarsh.ayac...@kitware.com>*wrote: > > > From: Utkarsh Ayachit <utkarsh.ayac...@kitware.com> > Subject: Re: [Paraview] ParaviewWeb : Repeated calls to > GetLookupTableForArray do not change the RGBpoints array > To: "Rajvikram Singh" <rajvikr...@yahoo.com> > Cc: paraview@paraview.org > Date: Thursday, 19 May, 2011, 6:49 PM > > > How are you loading the default.xml? Do the best of my knowledge, ParaView > Python API has no call to setup LUTs from XML. > > Utkarsh > > On Wed, May 18, 2011 at 8:45 PM, Rajvikram Singh > <rajvikr...@yahoo.com<http://mc/compose?to=rajvikr...@yahoo.com> > > wrote: > > Hi > I've a case where the users can load .xml files saved from the > Paraview's 'Edit Color Map' widget and apply the color maps (containing > R,G,B and Opacity values) to volume rendering. > > When I start the application a call is made is load a "default.xml" file > and then do a : > > Lut = pv.GetLookupTableForArray({arrayname : "ImageFile", num_components : > 1, HSVWrap : 0, NanColor : nanColor, RGBPoints : rgbPoints, ColorSpace : > colorSpace}); > > Sof = pv.CreatePiecewiseFunction( {Points: sofPoints}); > > The variables nanColor, rgbPoints, sofPoints etc are populated by the XML > file data. Then the Lookuptable is applied to the DisplayProperties for > volume rendering. This part works well. > > However when the user changes the .xml color map file from a drop down, the > same code is called again and this time it does something funny. It seems to > retain the previous RGBPoints information and adds the new color map to it. > So the two lookup tables look like they are merged. Is this expected ? > > Is there a way to reset the lookup table ? I did not see any obvious call > within simple.py or pwsimple.py. > > Thanks > Raj > > _______________________________________________ > 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 > > > > _______________________________________________ > 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 > >
_______________________________________________ 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