#929: g.transform: dump coeffs and transform sparse points -------------------------+-------------------------------------------------- Reporter: hamish | Owner: [email protected] Type: enhancement | Status: new Priority: normal | Milestone: 7.0.0 Component: Imagery | Version: svn-trunk Keywords: g.transform | Platform: All Cpu: All | -------------------------+-------------------------------------------------- Hi,
the attached patch adds a new flag to dump transform coeffs, transform arbitrary input coords to the other coord system, and a adds a flag to tell it to do these things in reverse. it also fixes a little `continue` bug if you selected format="". ( based on Glynn's tips on the -dev ML. http://thread.gmane.org/gmane.comp.gis.grass.devel/38099 ) I'm not decided what to do about reading from stdin. I suspect I'll have to drop the east_north=x1,y1,x2,y2,xn,yn,... option in favor of an input file containing points to be transformed because the parser insists on two values, and "-,-" if given is read as -0,-0. Well, I guess I could have strcmp() test for "-,-" but it's a bit silly. I'd rater not add another flag to direct the input. any ideas? FIXME: if using the reverse flag check the TARGET location's G_projection() type and use it for G_scan_easting() instead of the current location's type. Hamish -- Ticket URL: <https://trac.osgeo.org/grass/ticket/929> GRASS GIS <http://grass.osgeo.org>
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