[GRASS-user] Map scale wrong
alecventura at hotmail.com
Sun Dec 13 12:33:02 PST 2015
Hi Anna tnks for your answer, so which EPSG code you suggest i use? UTM? and i have the location of each point on my attribute table as LAT and LONG, what happens with this information when it changes to a projected coordinate system?
From: kratochanna at gmail.com
Date: Sun, 13 Dec 2015 15:15:07 -0500
Subject: Re: [GRASS-user] Map scale wrong
To: alecventura at hotmail.com
CC: grass-user at lists.osgeo.org
On Sun, Dec 13, 2015 at 3:09 PM, Alec Ventura <alecventura at hotmail.com> wrote:
So... i have converted my shape file to this projection: http://spatialreference.org/ref/epsg/4618/ on Qgis, and have created
you should probably use a projected coordinate system, not geographic coordinate system. The distance you specify in the buffer is now in degrees, that's why it needs to be so small.
Anna a new projection and mapset with this same epsg on Grass...But when i import the shape on grass the map scale is still crazy, it says 1:6, but my area is huge and i can see all my points. On Qgis my same file has a 1:1.183.641 scaleAnd this is a problem because when i try to make the buffers over my points i have to use a very small distance:g.run_command('v.buffer', input='PocosSad at Map3', output='boreholesGrassBuffer', type='point', distance='0.01')else my buffer covers the hole area.Anyone knows how i can fix this map scale? or why is this strange?my shape file is in attach,Very tnks
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