[GRASS-dev] Re: New location creation and 1x1 boundaries
paul-grass at stjohnspoint.co.uk
Mon Feb 5 02:34:59 CET 2007
(Cc to dev list with comments about region setting, GUI and g.region)
On Sun, 4 Feb 2007, Helena Mitasova wrote:
> the problem with this case is that there is no tool to modify the default
> (except for r.in.gdal -e and you need to have the right file to do it)
> so you are stuck with 1x1x1 and it propagates to each new mapset when you
> create it.
> For old users it is OK because we all know that we need to set the region
> before doing anything and if we find the 1x1x1 DEFAULT_WIND annoying
> we can edit it directly or copy a properly set WIND to DEFAULT_WIND.
> But for new users it can get pretty confusing.
> Probably adding an option to g.region to modify the DEFAULT_WIND when
> PERMANENT is your current mapset would solve it along with a message asking
> the user to do that after setting the location from EPSG, or PROJ parameters.
I agree about g.region, and about the startup GUI (currently gis_set.tcl)
I feel it should allow the user to set the initial region there and then.
The text-based location creation (etc/set_data) does this and I think the
graphical startup should too - as you said everything assumes that the
default region is an attribute of the location that has been explicitly
set when it was created.
But as the Tcl/Tk GUI interfaces to grass using commands, I think adding
an option to g.region to set the default region is a pre-requisite for
> It would be very convenient if the option included possibility to copy the
> WIND to DEFAULT_WIND. This would be useful also for situations when the user
> wants to change the DEFAULT_WIND for whatever reason (for example if he
> works with many different regions and wants to have one that covers all of
> for convenience).
> Thanks a lot for looking into this - we are finding all kinds surprising
> when working on the book that probably new users have to go through and that
> normally do not bother us,
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