georeferencing image from scratch
Hi Marcelo, I don't see anything in raster or rgdal that would do that directly. However, this can be done I believe using gdal_translate / gdal_edit (for adding the GCPs to the dataset) + gdalwarp (for warping). Both gdal_translate and gdalwarp utilities have wrappers in the gdalUtils package. Cheers, Lo?c Dutrieux
On 08/17/2015 11:43 AM, Marcelo Kittlein wrote:
Hi all I want to change a MSS landsat image which has bad georeferencing. I have a grid of points with correct georeferences and want to use them to reproject the image to a correct reference system. Is there some way to this in R using "raster" or other package? in idrisi I used to resample the image using a correspondence file (.cor) with xold yold xnew ynew values. I wonder if there is something similar I can do in R? Thanks in advance Marcelo Kittlein
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