Sat, Apr 22 2006
16:04:02
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Request created by hbowman
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Subject: gis.m: intelligent defaults for d.rast.arrow
Hi,
The new gis.m makes it easy to use d.rast.arrow, but the defaults are all
wrong for the typical gis.m experience.
suggestion:
calculate the canvas size in pixels as well as the region size, then calculate
what gives you an arrow every 8-12 pixels.
set the arrow scaling to about 2 times the grid spacing.
set the grid color to "none".
It will be nice for these things right out of the box whenever possible.
Is it possible? (then what happens on resizing monitor or zoom?)
thanks,
Hamish
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Sat, Apr 22 2006
16:04:14
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Area changed to wish6 by hbowman
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Sun, Apr 23 2006
03:17:09
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Mail sent by michael.barton@asu.edu
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<Michael.Barton@asu.edu>
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Sat, 22 Apr 2006 18:16:30 -0700
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From |
Michael Barton <michael.barton@asu.edu>
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Subject |
Re: [GRASS5] [bug #4323] (grass) gis.m: intelligent defaults for d.rast.arrow
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Paolo Cavallini via RT <grass-bugs@intevation.de>, grass5@grass.itc.it
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[GRASS5] [bug #4323] (grass) gis.m: intelligent defaults for d.rast.arrow
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I'll see if there is a way to set these as defaults.
Why can't grid color = none be the default on the underlying C module?
It might or might not be complicated for the arrow spacing. D.rast.arrows is
not designed to make dynamic arrow spacing (a flag to add???), so I suppose
that you would have to reset it all manually if you zoomed in or out.
Michael
__________________________________________
Michael Barton, Professor of Anthropology
School of Human Evolution & Social Change
Center for Social Dynamics & Complexity
Arizona State University
phone: 480-965-6213
fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton
> From: Request Tracker <grass-bugs@intevation.de>
> Reply-To: Request Tracker <grass-bugs@intevation.de>
> Date: Sat, 22 Apr 2006 16:04:02 +0200 (CEST)
> To: <grass5@grass.itc.it>
> Subject: [GRASS5] [bug #4323] (grass) gis.m: intelligent defaults for
> d.rast.arrow
>
> this bug's URL: http://intevation.de/rt/webrt?serial_num=4323
> -------------------------------------------------------------------------
>
> Subject: gis.m: intelligent defaults for d.rast.arrow
>
> Hi,
>
> The new gis.m makes it easy to use d.rast.arrow, but the defaults are all
> wrong for the typical gis.m experience.
>
> suggestion:
>
> calculate the canvas size in pixels as well as the region size, then calculate
> what gives you an arrow every 8-12 pixels.
>
> set the arrow scaling to about 2 times the grid spacing.
>
> set the grid color to "none".
>
> It will be nice for these things right out of the box whenever possible.
>
> Is it possible? (then what happens on resizing monitor or zoom?)
>
>
> thanks,
> Hamish
>
>
> -------------------------------------------- Managed by Request Tracker
>
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