When using a DEM with fixed-angle pixel geometry, RiverTools allows
you to change the projection that all plots are drawn in under Display >
Options. The user can select from any of a number of projections, plus
specify whether or not to draw grid lines, coastlines, rivers, etc. on
RiverTools plots. After changing the projection and selecting some of
the additional options you may have noticed that some of your displays
end up being weird line plots like these:
The cause of this problem is that you have erroneous bounding box
info in the .rti file associated with this DEM. The most common mistakes
are forgetting to include the negative sign ("-") in front of longitudes
in the western hemisphere and latitudes in the southern hemisphere.
For instance... the USGS 1-Deg. DEM for Denver East has a southeast
corner at 39N Lat and -104W Lon... so its Bounding Box Info should be:
If you have any additional questions or comments, please contact Rivix Technical Support for assistance.
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