freegs.polygons

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freegs.polygons#

Routines for calculating intersection or other geometric calculations with polygons (e.g. walls, flux surface approximations)

License#

Copyright 2019 Ben Dudson, University of York. Email: benjamin.dudson@york.ac.uk

This file is part of FreeGS.

FreeGS is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

FreeGS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with FreeGS. If not, see <http://www.gnu.org/licenses/>.

Functions

area(polygon)

Calculate the area of a polygon.

clockwise(polygon)

Detect whether a polygon is clockwise or anti-clockwise True -> clockwise False -> anticlockwise

intersect(r1, z1, r2, z2[, closed1, closed2])

Test if two polynomials intersect.

triangulate(polygon)

Use the ear clipping method to turn an arbitrary polygon into triangles
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