This option allows you to perform an important number of specialized operations involving lines. After select the line(s) with mouse double-clicks one can compute buffer zones, Douglas-Peucker line simplification, polygon Boolean arithmetic’s, B-spline and Cardinal-spline smoothing, etc … NOTE, buffer calculus with geographical data can be done with geodetic ellipsoidal accuracy. To hide this option, just click on the “Line Operations” again.
Copyright © <2010>, <Joaquim Luis>
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