[GRASS-user] maximum zoom-in reached
rchirgwin at ozemail.com.au
Sun Nov 30 22:18:29 EST 2008
Moritz Lennert wrote:
> On 30/11/08 08:01, Richard Chirgwin wrote:
>>> Message: 8 Date: Sun, 30 Nov 2008 08:02:14 +0530 From: H.S.Rai
>>> <hardeep.rai at gmail.com> Subject: Re: [GRASS-user] maximum zoom-in
>>> reached To: "GRASS user list" <grass-user at lists.osgeo.org> Message-ID:
>>> <e46836620811291832h1a2e1d83j8f9ba2ca48b77260 at mail.gmail.com>
>>> Content-Type: text/plain; charset=ISO-8859-1 On Sat, Nov 29, 2008 at
>>> 8:34 PM, Maris Nartiss <maris.gis at gmail.com> wrote:
>>>>> gis.m gives "Maximum zoom-in reached" error when display width/height
>>>>> is smaller than one column/row. If You have data with higher
>>>>> resolution, You have to adjust Your region settings (increase
>>>>> resolution). See g.region how to set resolution.
>>> Thanks to all for prompt and appropriate responses. Default region was
>>> with resolution 1. I anticipated this and changed to .0001, but may be
>>> I was not able to do it properly, and was not able to get zoom in.
>>> Then I existing GRASS, restarted, and it worked fine.
>>> $ g.region -p
>>> projection: 1 (UTM)
>>> zone: 0
>>> datum: wgs84
>>> ellipsoid: wgs84
>>> north: 36.56820636
>>> south: 6.09470106
>>> west: 66.77269446
>>> east: 98.66413062
>>> nsres: 0.0001
>>> ewres: 0.0001
>>> rows: 304735
>>> cols: 318914
>>> cells: 97184257790
>> That's because the GIS manager and map display don't auto-update to new
>> location settings when you change them. They need to be reloaded.
>> However, you don't have to exit GRASS. If you change the region
>> settings, you can just close the GIS manager (this will close the map
>> display as well), and re-start it by typing gis.m <enter> at the
> Doesn't "Zoom to current region" do the trick ?
Thanks for the correction, Moritz!
(I never knew that before)...
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