Hi,
first of all, sorry about my english, and about this message. I hope this
was the correct place. I'm trying to vectorize the areas from a image map,
and I'm a rookie with GRASS. If anyone could help me a little, it would be
great.
An example of the map i'm trying to vectorize is this:
Maybe it would be useful (for others) to keep posts on the list as
well.
Cheers, Nikos
...
On Mon, 2009-07-20 at 12:08 +0200, andresfr wrote:
...
I've already get it. I've used:
r.mapcalc
paso1=b#original
end
r.colors map=paso1 color=rules
0 white
234 white
235 black
end
hello again,
I wrote a few days about a problem i had, and finally I said that i could
resolve it, but now I'm getting a headache more bigger XD
I have several maps vectorized, each one with several areas. These maps are
continuous and some of the areas are in two (or more) parts. I need to
Hi,
I'm trying to vectorize a map of streets, but after running r.thin and
r.to.vect i get this (the aspect is the same befor r.to.vect):
http://n2.nabble.com/file/n3741976/grassLineas.png
Now I want to remove the shorter lines keeping the principals. I've tried
with v.generalize with
wow!!!
thats it:
http://n2.nabble.com/file/n3742503/rdmangle.png
thanx!!!
:D
achim wrote:
maybe
v.clean input=wtrhhrt output=bewtbt tool=rmdangle thresh=999
could help? Maybe serveral times with different threshs.
Achim
incanus schrieb:
Hi,
I'm trying to vectorize a map
Hi everyone,
I'm trying to visualize a DEM that I've generated of the buildings of a
city. In each cell I have the meters of elevation. When I try to see it with
NVIZ I found that it makes something like interpolation, smoothing the
corners like it was a DEM of terrain instead of hard edges (i
this, if someone had seen
something similar.
thanx,
Andres
Markus Neteler wrote:
On Sun, Nov 1, 2009 at 5:46 PM, Markus Neteler nete...@osgeo.org wrote:
On Fri, Oct 30, 2009 at 10:24 AM, incanus andre...@unizar.es wrote:
Hi everyone,
I'm trying to visualize a DEM that I've generated of the buildings
Forget it! and thanx again Markus,
finally, I remember that in my DEM there was 0-values and null-values.
I replaced the null's by 0's and it works perfect!
incanus wrote:
Thanx to Markus I get this:
http://n2.nabble.com/file/n3943983/trozoNVIZ.png
As everyone can see, the walls
Hi all,
I'm trying to join a large set of vectorial tiles that i have, into a
unique vectorial map. What i'm doing is something like this, for each tile
(in the example is called filaN):
v.overlay ainput=sumaFilas atype=area alayer=1 binput=fila6 btype=area
blayer=1 output=sumaFilas2 operator=or
a very small threshold first. Also see the v.patch
manual.
Hope that helps,
Markus
incanus wrote:
Hi all,
I'm trying to join a large set of vectorial tiles that i have, into a
unique vectorial map. What i'm doing is something like this, for each
tile
(in the example is called filaN
By the way,
i don't know if what i've done is correct and can be a usefull trick, or
it's a rookie mistake, or a casuality. I hope someone knows why this
happens, and could help anyone.
This is:
After trying the v.patch, v.clean(break,rmdupl), v.build thing, it was the
moment to create a new
of isles: 22
Number of areas without centroid: 26
Number of points: 0
Number of nodes: 31
22 isles built
Attaching islands...
Building topology for vector map test2...
Building areas...
Markus Metz-2 wrote:
incanus wrote:
By the way,
i don't know if what i've done is correct and can be a usefull
Hi, that repositories doesn't work for me in Ubuntu 9.10, it's normal?
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if you mean http://ppa.launchpad.net/qgis/ubuntu, yes
Is there any else?
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