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mapping toolbox 2.1 0 14 (4/5/2005 3:36:05 PM) comp.soft-sys.matlab Hi, I need help from someone who has access to mapping toolbox 2.1. I read in a ArcView shapefile, manipuated it, and needed to write it back as a shapefile. The function shapewrite which does the writing back... Junchang

polyxpoly 1 71 (3/18/2005 3:10:06 AM) comp.soft-sys.matlab I just started to use the mapping toolbox. Can anyone help me with the cryptic polyxpoly? Suppose I have two line segments: x1 = [0;1;2]'; y1 = x1; x2 = x1; y2 = [2;1;0]'; Obviously, the two line segments [... Junchang