ling grids.
Regards
Yong
*From:* Edzer Pebesma [mailto:[EMAIL PROTECTED]
*Sent:* Tue 20/05/2008 6:11 PM
*To:* Yong Li
*Cc:* r-sig-geo@stat.math.ethz.ch
*Subject:* Re: [R-sig-Geo] How to subset a spatial grid?
Have
/2008 6:11 PM
*To:* Yong Li
*Cc:* r-sig-geo@stat.math.ethz.ch
*Subject:* Re: [R-sig-Geo] How to subset a spatial grid?
Have you tried
Map1 <- Map[1:100,1:100]
?
Note that this works differently for SpatialGridDataFrames and
SpatialPixelsDataFrames; the first knows about [rows,cols,bands], the
sec
: Yong Li
Cc: r-sig-geo@stat.math.ethz.ch
Subject: Re: [R-sig-Geo] How to subset a spatial grid?
Have you tried
Map1 <- Map[1:100,1:100]
?
Note that this works differently for SpatialGridDataFrames and
SpatialPixelsDataFrames; the first knows about [rows,cols,bands], the
second about [pix
Have you tried
Map1 <- Map[1:100,1:100]
?
Note that this works differently for SpatialGridDataFrames and
SpatialPixelsDataFrames; the first knows about [rows,cols,bands], the
second about [pixels, bands].
--
Edzer
Yong Li wrote:
Dear All,
I want to subset a large spatial grid (2000*2000) i
Dear All,
I want to subset a large spatial grid (2000*2000) into many smaller
grids for further processing in my simulation models. Could anyone do it
before and any tips will be highly appreciated?
Library(rgdal)
Map <- readGDAL("yong.img") # one image from erdras imagine
Map$va <- Map$band1
Ma
