Re: [OctDev] Mixing images and graphs

[Paul K. <pki...@us...>]

On Feb 28, 2005, at 5:18 AM, Justus Piater wrote:

> Hi,
>
> The upcoming release of Gnuplot (>4.0) offers new plot styles "with
> image" and "with rgbimage". If I understand correctly, this allows
> displaying images directly in the gnuplot window, and overlaying them
> with graphs.
>
> To me, this is a killer feature that I've used extensively in Matlab,
> and that I'm missing badly in octave.
>
> For future octave development, I propose to consider unifying graphics
> handling by throwing out image viewers altogether, relying instead on
> gnuplot for all image display, and to support overlaying plots over
> images in octave.
>

Excellent plan.  This should be done in octave rather than octave-forge
though.  Be sure to add a configure test for gnuplot 4.0.

When I've needed this feature in the past I've used epstk.  It works
quite nicely.

Now I'm writing the image on a BLT plot in Tcl/Tk using an image marker
of just the right size.  It has worked well enough, but now I need to
use quadrilaterals rather than pixels so I need a better solution.

- Paul