[GRASS-user] Re: grass-user Digest, Vol 31, Issue 69

[Michael Barton]

Or use the zoom button menu on the display to set the display  
resolution to match the computational resolution

Michael


On Nov 30, 2008, at 12:05 AM, <grass-user-request at lists.osgeo.org>  
wrote:

> Message: 8
> Date: Sun, 30 Nov 2008 18:01:46 +1100
> From: Richard Chirgwin <rchirgwin at ozemail.com.au>
> Subject: Re: [GRASS-user] maximum zoom-in reached
> To: grass-user at lists.osgeo.org
> Message-ID: <49323A5A.5030107 at ozemail.com.au>
> Content-Type: text/plain; charset=us-ascii
>
>>
>> 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  
> terminal.
>
> Cheers,
> Richard
>> -- H.S.Rai