There are already tools to do get this dump xwd | xpr -device ps > foo.ps [now when the curser changes - click on the window to be dumped]
xv [use the grab option, and then save as tiff/jpg/ps format] Perhaps there are other tools that can be used. Hence there is no extra tools in PETSc to do the capture part. Satish On Thu, 4 May 2006, Harald Pfeiffer wrote: > Hello, > > That's a pity that this is not implemented. As soon as I saw Razi's question, > I thought that this would be a really useful feature. I have found myself > many times saying in talks that my matrix is non-symmetric for this-or-that > reason. Having a picture of the matrix to make the point would be very > powerful. > > I guess, outputting a picture with as many pixels as the matrix-size in a > non-compressed format (tiff?) should be straightforward: You iterate through > all matrix entries, if the entry is non-zero, you output "1", otherwise "0". > You could even output different colors depending on the size or sign of an > entry. This will result in huge files, but any image-software should be able > to down-size and convert to more efficient formats. > > Harald > > > Matthew Knepley wrote: > > There is nothing built into PETSc to do this. It is also X-Windows > > render commands inside. I used a screen capture program on > > the Window it pops up. > > > > Thanks, > > > > Matt > > > > On 5/4/06, *abdul-rahman at tu-harburg.de <mailto:abdul-rahman at > > tu-harburg.de>* > > <abdul-rahman at tu-harburg.de <mailto:abdul-rahman at tu-harburg.de>> > > wrote: > > > > Hi all, > > > > I'd appreciate if anyone can point to a tutorial/example on how to > > direct > > the matrix pattern plot (one with -mat_view_draw) to a file > > (preferrably > > PNG for presentation and postscript for publications) > > > > I want to be able to capture the patterns in monochrome and also > > resize > > the graphics size. > > > > Thanks so much. > > > > > > Razi > > > > > > > > > > -- > > "Failure has a thousand explanations. Success doesn't need one" -- Sir Alec > > Guiness > >
