On Mon, 4 Feb 2008, Milton Cezar Ribeiro wrote:
Dear Roger,
I am not sure if I really need to convert my polygons to psp format.
In fact I have a shapefile with polygons and a pair of points
(x0,y0,x1,y1) and what I need is:
(1) to checkout if the lines defined by (x0,y0,x1,y1) cross or n
Dear Roger,
I am not sure if I really need to convert my polygons to psp format.
In fact I have a shapefile with polygons and a pair of points (x0,y0,x1,y1) and
what I need is:
(1) to checkout if the lines defined by (x0,y0,x1,y1) cross or not any
polygon and
(2) to identify which polygons
I think it's better to wrap R scripting and void passing unuseful objects
back and forth between Python and R. In your script it doesn't seem that you
need direct interaction between Python and R (at least in this part of your
script).
I usually adopt something like this:
r("""CairoPNG(file="/var/
On Mon, 4 Feb 2008, Milton Cezar Ribeiro wrote:
> Dear all,
>
> I have some shapefiles which contents are polygons and I would like to
> convert it to psp (spatstat) format, and after run crossdist.psp. I
> tryed several times without success. Any idea?
Look at the coercion function in maptools
Dear all,
I have some shapefiles which contents are polygons and I would like to convert
it to psp (spatstat) format, and after run crossdist.psp. I tryed several times
without success. Any idea?
Miltinho
para armazenamento!
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On Mon, 4 Feb 2008, Alí Santacruz wrote:
Hi,
I am trying to use the Grid Calculator in SAGA, through RSAGA but I have
problems with the parameter FORMUL,
I can´t get the function "a/b" works,
the functions "a+b", or "a-b", or "a*b" works, but "a/b" does not,
Any help is appreciated,
see
Hi,
I am trying to use the Grid Calculator in SAGA, through RSAGA but I have
problems with the parameter FORMUL,
I can´t get the function "a/b" works,
the functions "a+b", or "a-b", or "a*b" works, but "a/b" does not,
Any help is appreciated,
see the code below for the errors reported
On Mon, 4 Feb 2008, Rafael Duarte wrote:
Obrigado Milton.
But:
teste2[teste2$ELEVATION == 100]
gives me an empty list. And I have data of Elevation = 100.
I also tried
teste2[teste2$ELEVATION >= 100]
teste2[teste2$ELEVATION == "100"]
But always an empty list and no plot.
Very close, with
Obrigado Milton.
But:
teste2[teste2$ELEVATION == 100]
gives me an empty list. And I have data of Elevation = 100.
I also tried
teste2[teste2$ELEVATION >= 100]
teste2[teste2$ELEVATION == "100"]
But always an empty list and no plot.
Milton Cezar Ribeiro wrote:
> Hi Rafael
> i think th
On Mon, 4 Feb 2008, volkan kepoglu wrote:
> I am new in R and Python. I write a couple of lines. The code does the
> followings; Read point shp file, Compute a kernel smoothed intensity
> function from a point pattern; density function, and convert pixel
> image to spatialgriddataframe and export
Hi Rafael
i think that it could help you
teste2.elev100<-teste2[teste2$ELEVATION=100]
plot(teste2,axes=T)
plot(teste2.elev100,col=2,add=T)
Boa sorte.
Miltinho
Brazil
- Mensagem original
De: Rafael Duarte <[EMAIL PROTECTED]>
Para: r-sig-geo@stat.math.ethz.ch
Enviadas: Segunda-feira, 4
I am new in R and Python. I write a couple of lines. The code does the
followings; Read point shp file, Compute a kernel smoothed intensity
function from a point pattern; density function, and convert pixel
image to spatialgriddataframe and export spatialgriddataframe to tif
raster format.
the cod
Dear All
Apologies if the following betrays any naive assumptions but I would
be grateful for the advice nonetheless.
I am looking to do some block kriging on a pottery counts from an
archaeological survey covering the whole surface of an island (ca.
20sq.km, for details see www.ucl.ac.uk/as
Dear all,
I am very new to SIG.
This is probably a very simple question but I could not find an answer
searching the web and the R-SIG emails archive.
I have an ESRI shapefile with a coast and bathymetric lines. In the dbf
file I have a column “ELEVATION” that gives this information.
I import
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