I think I found the reason that QT_DEFSIZE doesn't work.
The definition for popen_qt has a hard coded
wd 'minwh 480 360'
rather than say
wd 'minwh ',":QT_DEFSIZE
in file win-qt.ijs
Thanks Chris - I'll give that a go.
Cheers,



On Sat, May 11, 2019 at 7:05 PM chris burke <[email protected]> wrote:

> That pd 'qt 800 600' doesn't work looks like a bug. However, you could
> call wd
> 'pmove -1 -1 800 600' before the save to do this programmatically.
>
> On Fri, May 10, 2019 at 10:48 PM Ric Sherlock <[email protected]> wrote:
>
> > I have been unsuccessfully trying to programmatically generate PNGs of
> > Plots of a desired size.
> >
> > I can successfully save a plot as a PNG from a jQt session.
> >
> > require 'plot'
> > pd 'reset'
> > pd */~ i: 10
> > pd 'show'
> > pd 'save png ',jpath '~temp/myplot.png'
> >
> > However to get it the size I want I need to display the plot at the
> desired
> > size on the screen. The wiki (
> > https://code.jsoftware.com/wiki/Plot/Commands)
> > suggests that using the `qt` command I should be able to set the display
> > size however this doesn't seem to work and the plot is always displayed
> at
> > the default size.
> > pd 'reset'
> > pd */~ i: 10
> > pd 'qt 800 600'  NB. no difference to just 'qt'
> >
> > I am able to manually drag the displayed plot window to the desired size
> > and then run pd 'save png' but would like to be able to accomplish this
> > programmatically.
> >
> > I note that the pd 'canvas 800 600' command and the pd 'pdf 800 600'
> > commands seem to work OK - but they don't provide me with a PNG!
> >
> > Is there a bug in pd 'qt'?
> >
> >
> >
> >
> >
> >
> >
> >
> > pd 'canvas 800 600'
> >
> > plot
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