Dear R-Help, When plotting a raster object the origin (0,0) is placed in the center. E.g. using: library(raster) mat = matrix(runif(100),10,10) r <- raster(ncol=10, nrow=10) values(r) <- mat plot(r, main='Raster example',xlab="x",ylab="y") Does anyone know how to adjust the coordinate system? E.g. I would like to have 0,0 at the top left. My naive approach was to use "axis()" but this has no effect. Thanks in advance for any advice. Best regards, Jan
Adjusting coordinates in raster plots
2 messages · Jan Sudeikat, David L Carlson
Like this? r <- raster(ncol=10, nrow=10, xmn=0, ymx=0) values(r) <- mat plot(r) ---------------------------------------------- David L Carlson Associate Professor of Anthropology Texas A&M University College Station, TX 77843-4352
-----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r- project.org] On Behalf Of Jan Sudeikat Sent: Wednesday, August 08, 2012 3:54 PM To: r-help at r-project.org Subject: [R] Adjusting coordinates in raster plots Dear R-Help, When plotting a raster object the origin (0,0) is placed in the center. E.g. using: library(raster) mat = matrix(runif(100),10,10) r <- raster(ncol=10, nrow=10) values(r) <- mat plot(r, main='Raster example',xlab="x",ylab="y") Does anyone know how to adjust the coordinate system? E.g. I would like to have 0,0 at the top left. My naive approach was to use "axis()" but this has no effect. Thanks in advance for any advice. Best regards, Jan
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