d.m - was: Re: [GRASS5] GRASS 5.7.0 beta5

Markus Neteler neteler at itc.it
Fri Jun 18 07:47:10 EDT 2004

On Thu, Jun 17, 2004 at 06:18:26PM +0200, Martin Wegmann wrote:
> On Thursday 17 June 2004 12:44, Hamish wrote:
> > > In the d.m. I set a raster on top and a vector below it but in the
> > > monitor the vector was above the raster - intuitively I would say the
> > > the top layer in the d.m. is also the top layer in the monitor.
> >
> > You can think of it as a list of commands, the first instruction on the
> > list is drawn first; you build the display from the bottom up, not
> > the top down.. It's just a matter of perception really, e.g. are the
> > silhouettes of Tom Servo & Crow really watching you or the movie?
> >
> > Anyway, the side that makes sense from a programming standpoint tends to
> > win, so that's why it's like that. The tree being open ended at the top
> > provides a tiny hint.

Well, but programs are for users :-)

> well, ok it makes sense from the "list of commands" point of view but 
> nevertheless it is quit a challenge to swap my intuition ;-) - wouldn't there 
> be an easy way to decide if I want to have the classical way or the command 
> way displayed? 

I also feel that it's confusing (say, inverted).
So I vote for reversion of the stacking order.

> Otherwise I have to get used to it ... :-), Cheers Martin

... as a last resort ...


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