[GRASSLIST:2320] Re: zoom to fill GRASS monitor

[Wolfgang von Hansen]

Glynn Clements <glynn.clements at virgin.net> schrieb am 22.01.04 04:44:16:
> 
> 
> Jason Horn wrote:
> 
> > Only 
> > problem is, my data are lat-lon, so that's not so easy since polar 
> > coordinates do not measure units of distance.
> 
> That shouldn't matter. Most of GRASS doesn't care whether the units
> are metres, feet, degrees, micro-fathoms or whatever; they're just
> units.
> > 
> Unlikely. d.rast (etc) positions and scales the image such that:
> 
> c) the scale factor is the same for both dimensions.

Does this include somthing like lon_display := lon_map / cos(lat) to get at least approximately correct aspect ratio?


Wolfgang
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