On Sat, Jun 8, 2013 at 8:55 PM, Michael Barton <[email protected]> wrote: > I just came across something that is very disturbing. > > I imported a batch of points from a CSV file. > > 2 points have the same geographic location (they are a single archaeological > site occupied at different time periods) > > I import them into a UTM Zone 30 European Datum 1950 location and they are > georeferenced using the following values: > > x coordinate = -31415 and y coordinate = 4116150 > > Once they are in GRASS, however, they show up in 2 different places on my > map. I captured the coordinates from the screen and did a query on both > points and the results agree. Here are the reported locations of the 2 > points > > East = -31418.8180586, North = 4116177.13863 > East = -30639.9940711, North = 4116551.27956 > > The coordinates are significantly different from each AND from the imported > coordinates of the 2 points. It looks like one of the points is place close > to (but not exactly) on the original north coordinate and the other points > is placed close to (but not exactly) on the original east coordinate. > > What is going on here???
Can you provide CSV file with the 2 points and the exact commands you used? A simple import should not change the coordinates. Markus M _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
