plplot-general

[Plplot-general] Octave driver

[NOEL B. <bru...@re...>]

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Re: [Plplot-general] Octave driver

[Alan W. I. <ir...@be...>]

On 2007-02-22 08:53+0100 NOEL BRUNO wrote:

> Hello,
>
> I am a long term plplot user on with C++ bindings. As I would like to
> prototype some applications with octave v2.1.73, I am trying to use plplot
> as graphical output engine for octave :
> 1) plplot-5.7.2 has been dowloaded and well compiled on my cygwin platform
> 2) using 'make check' : no output from octave is created in test directory
> but the result is : 'All 1 tests passed' !!!
> 3) with octave active, after plplot_stub activated, each plplot command
> crashes the octave application [figure(), plsdev('xxx')].....
>
> Do you have any solution to use wingcc driver at least with Octave.
>
> Thanks for your advice,

"make check" is from the historical autotools build system which is
deprecated and therefore in a minimum maintenance mode now. I advise using
the recommended CMake build system for 5.7.2 (or better yet the CVS version
of PLplot which is stable at the moment) which is documented at
http://www.miscdebris.net/plplot_wiki/ and which generally tends to do a
better job of builds on Cygwin compared to our old autotools build system.
We have at least two core developers who are familiar with the CMake build
system for PLplot on Cygwin.

Our CMake build system generates a good octave binding on non-windows
platforms as evidenced by both build-tree tests (ctest ...) and install-tree
tests (plplot-test.sh --front-end=octave from the install-tree examples
directory). However,
http://www.miscdebris.net/plplot_wiki/index.php?title=Overview_of_the_status_on_Windows
does not yet mention octave so you may be the first to test the octave
interface on Cygwin for our CMake build system.  However, you can always
post to this list if you run into any trouble.

Alan
__________________________
Alan W. Irwin

Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).

Programming affiliations with the FreeEOS equation-of-state implementation
for stellar interiors (freeeos.sf.net); PLplot scientific plotting software
package (plplot.org); the Yorick front-end to PLplot (yplot.sf.net); the
Loads of Linux Links project (loll.sf.net); and the Linux Brochure Project
(lbproject.sf.net).
__________________________

Linux-powered Science
__________________________

Re: [Plplot-general] Octave driver

[NOEL B. <bru...@re...>]

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Re: [Plplot-general] Octave driver

[Alan W. I. <ir...@be...>]

On 2007-02-27 10:26+0100 NOEL BRUNO wrote:

> Hello,
>
> Here are my intermediate results using plplot with octave on cygwin :
> * cmake.2.4.6 used ;
> * plplot5.7.2 re-installed and compilation successfull ;
> * octave2.1.73 launched from  the cmake building directory/bindings/octave/
> with the following results :
>
> octave:1> plplot_stub ;
> octave:2> ver = plgver'
> error: No such file or directory
> error: 'plplot_octave' undefined near line 1604 column 9
> error: evaluating assignment expression near line 1604, column 7
> error: called from 'plgver'
> error: evaluating postfix operator ''' near line 2, column 7
> error: evaluating assignment expression near line 2, column 5
> octave:2> plinit ;
> error: No such file or directory
> error: 'plplot_octave' undefined near line 1604 column 9
> error: evaluating assignment expression near line 1895, column 1
> error: called from 'plinit'
>
>
> As complementary results, it should be noticed that :
> * gnuplot plotting works well with this cygwin/octave version
> * building the plplot.5.7.2 distribution with the same instructions, and
> using octave with it, works well on Mac Os 10.4....

We have had troubles in the past with the ever-changing octave API.  What
version of octave works for you on Mac OS X?  Could you also try version
2.1.72 of octave on Cygwin?  I know that version (although substantially
patched) works on Ubuntu Dapper.

>
> In hope you will have some ideas on how to solve these troubles,

It sounds like a real Cygwin/octave issue here, but for the purposes of
comparison could you please report the results of the standard build-tree
test for octave-2.1.72 on Cygwin?

That is, use the -DBUILD_TEST=ON option to cmake, and after the "make"
command run "ctest --verbose --tests-regex octave".

Other Plplot developers here with access to the Cygwin platform should do
the same test to attempt to verify the issue.

Alan
__________________________
Alan W. Irwin

Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).

Programming affiliations with the FreeEOS equation-of-state implementation
for stellar interiors (freeeos.sf.net); PLplot scientific plotting software
package (plplot.org); the Yorick front-end to PLplot (yplot.sf.net); the
Loads of Linux Links project (loll.sf.net); and the Linux Brochure Project
(lbproject.sf.net).
__________________________

Linux-powered Science
__________________________

Re: [Plplot-general] Octave driver

[NOEL B. <bru...@re...>]

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