On Tue, 2011-10-04 at 17:52 -0700, kungphil wrote:
Hi
I am trying to import an xyz table from PostgreSQL db...
I can connect to the db and select/view rows using;
echo select in.x, in.y, in.val from in | db.select
x|y|val
2776480|2547420|12
2776510|2547420|12
2776540|2547420|12
On Thu, 2008-03-20 at 12:06 +0100, Edmondo Elisei wrote:
Dear ALL,
I solved succesfully!
I followed the procedure suggested:
v.in.ASCII == r.surf.rst
Thanks to everyone
I fell in love with GRASS and its fantastic community
Hi Edmondo!
I am also new (since last November). I was
Dear ALL,
I solved succesfully!
I followed the procedure suggested:
v.in.ASCII == r.surf.rst
Thanks to everyone
I fell in love with GRASS and its fantastic community
2008/3/19, Markus Neteler [EMAIL PROTECTED]:
On Wed, Mar 19, 2008 at 2:55 PM, Nikos Alexandris
[EMAIL PROTECTED] wrote:
On Tue, 2008-03-18 at 23:18 -0700, Hamish wrote:
Glynn:
If you have a sparse set of points, import them as a vector map then
use v.surf.rst. I'm not sure if r.fillnulls[1] handles sparse maps
(islands of individual cells), or whether it's limited to filling
small holes in mostly-filled
On Wed, 2008-03-19 at 14:20 +0100, Nikos Alexandris wrote:
[...]
It's clear now. I think a bit more reading before posting doesn't hurt.
[...]
Any infomation somewhere about filtering noise with r.in.xyz?
In man r.in.xyz!
Yep, I have to read more before posting questions ;-P
[...]
Dear all,
I apologise to you for my previous message not in English written.
That's the translation:
I've a trouble in importing xyz points file.
The r.in.xyz command seems working well; then I tried to make a surface
with r.bilinear but
the resulting map has no elevation (r.what returns
Edmondo Elisei wrote:
I've a trouble in importing xyz points file.
The r.in.xyz command seems working well;
what did your exact r.in.xyz and g.region command lines look like?
does it display ok?
what does r.univar say about the result?
what does 'g.region -p' say?
then I tried to make a
1) My r.in.xyz command line:
r.in.xyz input=/grassdata/archivio_vettoriale/_subset_points.txt
output=subset method=mean type=FCELL fs=, x=1 y=2 z=3 percent=100
2) g.region -p result:
projection: 1 (UTM)
zone: 33
datum: eur50
ellipsoid: international
north: 4478400.26
south:
Hi Edmondo!
I did a quick test based on these numbers
232196.623264|4686029.38993|10.|
237080.972225|4686560.03525|50.|
236453.845939|4684943.97905|11.|
233969.461035|4684208.31167|13.|
Nikos Alexandris wrote:
5) r.bilinear syntax
r.bilinear input=subset output=subsetsurface --overwrite
For the second part of the test:
I am having trouble to resample with r.resamp.interp mode=bilinear. But
I think this has to do with the available values (I got only 6 points
On 18/01/08 23:51, Jonathan Greenberg wrote:
(sorry for the barrage of emails, i'm finagling with nnbathy today and
having some problems with import/exporting into grass). Ok, so the awk
suggestions worked wonders to fix my xyz file. Now when I do an
r.in.xyz, its failing because nnbathy
(sorry for the barrage of emails, i'm finagling with nnbathy today and
having some problems with import/exporting into grass). Ok, so the awk
suggestions worked wonders to fix my xyz file. Now when I do an
r.in.xyz, its failing because nnbathy outputted a NaN z-value for a
couple of
You can use sed to find and replace patterns within a file. So;
~ cat temp.txt
1619923.0297213|4836235.79480289|0.01571819
1619927.57223432|4836235.09835698|nan
1619910.45256599|4836241.22590928|6.82026114
To make a substitution
~ sed 's/nan/-/g' ./temp.txt
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