These are the eastings, northings, and new elevations to modify an existing DEM:
2295820|175258|160 2295820|175257|160 2295821|175258|160 2295821|175257|160 When I process these data the output is shifted one meter to the west. The commands: v.in.ascii v.to.rast r.patch The output of r.patch is the file 'stuffed' and the eastings are 2295819 and 2295820. Zooming in on the desired cells (see attached image) shows the correctly modified cells. To get this result I increased the easting by 1 m. That is, the data files needs eastings of 2295821 and 2295822 to correctly locate the four changed elevations. I ran this sequence of commands three times with the same results. Rich
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