In trying to trace over a raster and setting the scale to produce lat long coordinates, I've run across the following issues after setting x,y origins and spacing. I'm not sure which are user issues vs program issues. Either way it's not behaving as expected.
1) Assuming I set x origin as 19123 - X Ruler shows the origin as negative rather than a positive and then decreasing instead of increasing
2) Y Ruler behaves correctly assuming SVG standard of Y increasing down but it is often necessary (as in this case of lat,long) to behave as Y up. What about the idea of a user preference that allows Y up ? (sure it's not reflecting SVG but is definitely a user benefit)
3) Cursor coordinates reflect relative coordinates from the origin rather than matching the rulers - this is very confusing. If there is a good reason for the relative behavior, then how about if it is made a user preference?
4) The grid settings allow for x,y spacing but not sure if it is units/pixel or pixels per unit - can we add some text to the dialog to clarify this or at least to the user docs (see below)
5) There doesn't seem to be much documentation or user guides on this subject though a start is in Kevin Wixom's user guide - maybe this user guide should be in wiki form so users can directly input comments and user info (a la wikipedia)
6) At least in the Ubuntu version, there are no links from the help menu to the on-line user guide or wiki. I think there should be.