[R-sig-Geo] Gridding of data

each grid cell how many measurement that falls within that cell Again, this looks like something that should be fairly easy, if you just know how... Morten -- Morten Sickel Norwegian Radiation Protection Authority tel (+47) 6716 2551 ___ R-sig-Geo

[R-sig-Geo] Plotting - holes from shapefile

hese on a new data set I've read from the file. Then I've plotted it: > plot(nordvann, col='blue') In both cases both water and islands comes out colored blue... guess I've overlooked something... but what? Morten Sickel -- Morten Si

Re: [R-sig-Geo] Select polygons

Great! Thanks, that did it! Morten -Original Message- From: Edzer Pebesma [mailto:[EMAIL PROTECTED] Sent: Friday, July 04, 2008 4:51 PM To: Morten Sickel Cc: r-sig-geo@stat.math.ethz.ch Subject: Re: [R-sig-Geo] Select polygons The "new style" way of doing this, using the

[R-sig-Geo] Select polygons

.data$FTEMA>0,] would select those polygons with FTEMA>0 but it give sme the error "incorrect number of dimentions" removing the last , I think I get the selection I wants, but what it returns is no longer a map object... Any clues anywhere? -- Morten Sickel Norwegian Radiation Pro

[R-sig-Geo] Geographical selection

Hi, Is it possible to select all polygons that are (fully or partially) within given geographical bounds? Either through some type of overlay or by defining a box? I have a feeling I have read about it somewhere, but I have not managed to find it now when I needed it... Morten -- Morten

Re: [R-sig-Geo] problems loading spproj library for transform()

I have had the same problems after reading the R-news issue with the article on geoprocessing. Then I went to the website mentioned in the article, downloaded the software, installed it and it (at least the projection stuff) didn't work. Maybe someone could put up a message on that website, tell