Hi all: I achieve something like this, IE plotting on top of the image
of a map, with perl/PDL and the plplot MEM driver.
I first use a PDL plotting routine to create an RGB memory image to pass
to the MEM driver.
I'm not sure if this is exactly what you want, but it might help.
--Doug
On 2/6
Hi Alan
Yes, but not just as background images, as plot images too. For example I have
in the past used plplot to overplot wind vectors from a weather model on
satellite views of the earth. So I would want an API call where I set the world
coordinates of the top left and bottom right corners of