I restarted J and I still get the "value error: CAIRO_FORMAT_ARGB32".  BTW,
I'm on a mac.

On Thu, Dec 25, 2014 at 9:46 AM, bill lam <[email protected]> wrote:

> I suspect you had loaded plot before install cairo addon, will it
> work if you restart J?
>
> Чт, 25 дек 2014, R.E. Boss написал(а):
> > After in Jconsole
> >
> > load 'graphics/cairo'
> > install_jcairo_''
> > testcairo_jcairo_''
> > 1
> >
> > I get
> >
> >    run''
> > |value error: CAIRO_FORMAT_ARGB32
> > |   plotcs=:cairo_image_surface_create<"0     CAIRO_FORMAT_ARGB32,y
> >
> > test1.ijs and test2.ijs in addon\graphics\cairo work fine.
> >
> >
> > R.E. Boss
> >
> >
> > > -----Original Message-----
> > > From: [email protected] [mailto:programming-
> > > [email protected]] On Behalf Of bill lam
> > > Sent: donderdag 25 december 2014 4:15
> > > To: jprogramming
> > > Subject: [Jprogramming] plot cairo output
> > >
> > > plot cairo output in J7 is reinstated in j803. This requires
> > > the graphics/cairo addon, see its readme.
> > >
> > > test script:
> > >
> > > run=: 3 : 0
> > > require 'plot math/misc/trig'
> > >
> > > steps=: {. + (1&{ - {.) * (i.@>: % ])@{:
> > >
> > > pd 'reset'
> > > pd 'title sin(exp) vs cos(exp)'
> > > pd 'color red,green'
> > > pd 'key sin(exp),cos(exp)'
> > > x=. steps _1 2 100
> > > pd x;sin ^x
> > > pd x;cos ^x
> > > pd 'cairo ',(jpath '~temp/trig.png'),' 400 400'
> > > )
> > >
> > > run''
> > >
> > > set visible to 0 to suppress display similar to that in pdf
> > > output.
> > >
> > > --
> > > regards,
> > > ====================================================
> > > GPG key 1024D/4434BAB3 2008-08-24
> > > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3
> > > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3
> > > ----------------------------------------------------------------------
> > > For information about J forums see http://www.jsoftware.com/forums.htm
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
>
> --
> regards,
> ====================================================
> GPG key 1024D/4434BAB3 2008-08-24
> gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3
> gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
----------------------------------------------------------------------
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