On Sun, Dec 13, 2015 at 3:33 PM, Alec Ventura <alecventura@hotmail.com>
wrote:
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?
UTM is probably fine, just create a new location (based on EPSG of the
appropriate UTM system) and use v.proj to reproject your vector from the
latlon location.
Very tnks,
Alec
------------------------------
From: kratochanna@gmail.com
Date: Sun, 13 Dec 2015 15:15:07 -0500
Subject: Re: [GRASS-user] Map scale wrong
To: alecventura@hotmail.com
CC: grass-user@lists.osgeo.org
Hi,
On Sun, Dec 13, 2015 at 3:09 PM, Alec Ventura <alecventura@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 scale
And 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@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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