[petsc-users] Petsc Draw to pixmap

[Matthew Knepley]

On Thu, Dec 3, 2015 at 2:06 AM, Sean Dettrick <sdettrick at trialphaenergy.com>
wrote:

>
> No, it is my fault, when I was unable to download from afterstep.org
> earlier I didn’t realize that it was probably my work firewall blocking
> me.  Thus sending me on a wild goose chase with macports and home-brew and
> github version, which didn’t compile.
>
> But now I’ve tried to follow your advice, and have a new problem.
>
> I installed Afterimage from your suggested site, with suggested X lib
> flags:
>
>    ./configure --x-includes=/opt/X11/include -x-libraries=/opt/X11/lib
>

Did you check that it worked? Configure can (semi-)silently turn things off.

  Thanks,

    Matt


>    make
>    make install
>
> No errors.  Then re-configured and built petsc:
>
>    export PETSC_DIR=/Users/sdettrick/libs/petsc-3.6.1
>    export PETSC_ARCH=mac-gcc-hdf5-mpich-afterimage
>   ./configure --with-afterimage --download-hdf5 --download-mpich
> --PETSC_ARCH=mac-gcc-hdf5-mpich-afterimage
> --PETSC_DIR=/Users/sdettrick/libs/petsc-3.6.1
>    make PETSC_DIR=/Users/sdettrick/libs/petsc-3.6.1
> PETSC_ARCH=mac-gcc-hdf5-mpich-afterimage all
>
> No errors.  Then try to run an example with image output:
>
>    cd src/dm/examples/tutorials/
>    make ex5
>    ./ex5
>    ./ex5 -draw_save test.png
>
> The example generates the error you mentioned, which it didn’t before
> installing afterimage:
>
> X Error of failed request:  BadValue (integer parameter out of range for
> operation)
>   Major opcode of failed request:  1 (X_CreateWindow)
>   Value in failed request:  0x40
>   Serial number of failed request:  7
>   Current serial number in output stream:  14
>
> Browsing through configure.log, it seems that petsc is using the same X11
> library.
>
> Did I miss something?
>
> Thanks!
> Sean
>
>
> On Dec 2, 2015, at 11:10 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
>
>
>  I am such an idiot. No I did build it from source I forgot the comment in
> afterimage.py
>
>  After image is available from
> http://www.afterstep.org/afterimage/getcode.php
> #
> #  It is used by the PetscDrawSetSave() routine to save X windows graphics
> to files
> #
> #  If installing on an Apple make sure to read the details on
> PetscDrawSetSave manual
> #  page before installing
> #
>
> from that page I found
>
> If X windows generates an error message about X_CreateWindow() failing
> then Afterimage was installed without X windows. Reinstall Afterimage using
> the
>   ./configure flags --x-includes=/pathtoXincludes
> --x-libraries=/pathtoXlibraries   For example under Mac OS X Mountain Lion
> --x-includes=/opt/X11/include -x-libraries=/opt/X11/lib
>
> Did you try all this stuff?
>
>  Barry
>
>
> On Dec 3, 2015, at 1:00 AM, Sean Dettrick <sdettrick at trialphaenergy.com>
> wrote:
>
> Hi Barry,
>
> Thanks for the amazingly fast reply.  I installed home-brew but then was
> unable to find afterstep available as a package.  The closest thing I could
> find was asterm (after step terminal emulator.  Do you remember if you
> installed it from a canonical repo?
>
> I did find afterstep on github, but had trouble installing it on the mac.
>
> Meanwhile, a colleague has given me a python script, so I’ll probably use
> that instead for now.
>
> Thanks again,
> Sean
>
> On Dec 2, 2015, at 1:45 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
>
>
> Sean,
>
> I have never been able to build from that source either.
>
> I used homebrew to install it and its worked for several years.
>
> I also tried to see if one could pull the image from the X pixel map and
> it looked like a huge project (the pixmap stuff is not as trivial as one
> would think it would be) so I gave up on that and started using afterimage
> (which essentially does all the for you).
>
> Barry
>
> On Dec 2, 2015, at 3:39 PM, Sean Dettrick <sdettrick at trialphaenergy.com>
> wrote:
>
> Hi,
>
> I’d like to have petsc draw output to a pixmap, but have been unable to
> install afterstep on my Mac.  Direct download of the tar files from
> http://www.afterstep.org/afterimage/getcode.php failed, as did cvs
> checkout.  It seems the target sites may not exist at present.
>
> Is there another way to install afterstep?
>
> Alternatively, is there a way to manually redirect the X11 output using
> something like XCreatePixmap?
>
> Thanks!
> Sean Dettrick
>
>
>
>
>
>


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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