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Polygon Clipping and Offsetting 1.0

  Date Added: March 22, 2013  |  Visits: 298

Polygon Clipping and Offsetting

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This is a mex wrapper for Angus Johnson's Clipper library: http://www.angusj.com/delphi/clipper.php, based on Sebastian HdoTAlz's mex wrapper for the GPC library. This library has some speed advantages over GPC, but the primary addition is the ability to offset polygons. In order to use this, you must first download the clipper library from the above link (I used ver4.7.5) and put the files clipper.cpp and clipper.hpp in the same folder as the files you downloaded from this submission. Then compile your own mexfile by running the command:mex clipper.cpp mexclipper.cppThe example file, testclipper.m, shows all the basic usage. The clipper function takes input as int64 and returns answers as doubles, so remember to convert the data types and scale appropriately. Details on the library can be found here: http://www.angusj.com/delphi/clipper/documentation/Docs/_Body.htm. Self-intersecting polygons can be used in clipping operations and different fill types are available. For offsetting, polygons cannot self-intersect and perimeters must have a "true" orientation while holes must be "false". The orientation of polygons can also be checked with this wrapper. Call clipper with no arguments to view help.

Requirements: No special requirements
Platforms: Matlab
Keyword: Answers Appropriately Basic Convert Doubles Int Library Remember Returns Scale Types
Users rating: 0/10

License: Shareware Size: 10 KB
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