[GRASS5] gis.m does not use whole area

Glynn Clements glynn at gclements.plus.com
Wed Mar 22 13:15:20 EST 2006


Hamish wrote:

> > Note that graphic output matches the *region*, not the canvas.
> 
> can we try a grey & hatched background (black "X" diagonal lines
> crossing) to indicate what's NULL and what's out of bounds? Or
> alternating block pattern like GIMP uses? Or something like that.
> This has been a confusing part of GRASS for a Long long time.

Tk doesn't support background pixmaps, but it would be possible to add
a rectangle object with a -stipple option at the bottom of the canvas'
object stack; the rectangle would need to be resized (or re-created)
whenever the canvas was resized.

-- 
Glynn Clements <glynn at gclements.plus.com>




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