I have read in Paul Murrell's book R Graphics about how to use a bitmap
as background for a plot (page 107). Also, I routinely use function
read.shape() in package maptools to read maps in shapefile format. Now,
I would like to overlay an aerial photograph in .jpg format and a map. I
think I could
Le Tue, Nov 28, 2006 at 11:39:16AM +0100, F.Tusell a écrit :
I would like to overlay an aerial photograph in .jpg format and a map. I
think I could do the alignment manually for each case, but wonder if
there is a better, automated way. I notice that the .jpg file has a
companion .jgw file
On Tue, 28 Nov 2006, F.Tusell wrote:
I have read in Paul Murrell's book R Graphics about how to use a bitmap
as background for a plot (page 107). Also, I routinely use function
read.shape() in package maptools to read maps in shapefile format. Now,
I would like to overlay an aerial photograph
