On Mon, 21 Nov 2011 22:59:46 +0000, Bruno Postle wrote: > On Mon 21-Nov-2011 at 13:56 -0800, JohnPW wrote: >>Please clarify this for me as I want to make sure I understand (and it >>may be helpful to other newer Panorama makers like myself.) >>These are my assumptions: > >>1.) Only the actual horizon should be assigned as a "horizontal >>line" (unless you just want some line, or the average of some lines, >>to be straight and at the horizontal center (equator) of the panorama) >>because the horizon line is the only latitudinal line that lies upon a >>great circle line (the equator.) > > Yes, for spherical panoramas. Horizontal lines can also be useful for > removing perspective from façades of buildings, but only when you are using > rectilinear projection for the output.
What about equirectangular or cylindrical (or Mercator)? -- Robert Krawitz <r...@alum.mit.edu> Tall Clubs International -- http://www.tall.org/ or 1-888-IM-TALL-2 Member of the League for Programming Freedom -- http://ProgFree.org Project lead for Gutenprint -- http://gimp-print.sourceforge.net "Linux doesn't dictate how I work, I dictate how Linux works." --Eric Crampton -- You received this message because you are subscribed to the Google Groups "Hugin and other free panoramic software" group. A list of frequently asked questions is available at: http://wiki.panotools.org/Hugin_FAQ To post to this group, send email to hugin-ptx@googlegroups.com To unsubscribe from this group, send email to hugin-ptx+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/hugin-ptx
