boost_mirror/geometry
1
0
Fork 0
mirror of https://github.com/boostorg/geometry.git synced 2025-05-11 13:34:10 +00:00
Code Issues Packages Projects Releases Wiki Activity

End-of-line normalization. Most normalization was taken care of by .gitattributes, but a few files originally committed to svn with incorrect eol tags need explicit normalization. See .gitattributes man page and extensive list discussion.

Browse Source
This commit is contained in:
Beman 2013-12-02 03:34:38 -05:00
parent 7ec437a51b
commit bc5d9366f5
1 changed files with 36 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
example/ml02_distance_strategy.cpp
View File

@ -1,36 +1,36 @@
// Boost.Geometry (aka GGL, Generic Geometry Library) // Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2009-2012 Mateusz Loskot, London, UK. // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
// Use, modification and distribution is subject to the Boost Software License, // Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt) // http://www.boost.org/LICENSE_1_0.txt)
// //
// Multipolygon DP simplification example from the mailing list discussion // Multipolygon DP simplification example from the mailing list discussion
// about the DP algorithm issue: // about the DP algorithm issue:
// http://lists.osgeo.org/pipermail/ggl/2011-September/001533.html // http://lists.osgeo.org/pipermail/ggl/2011-September/001533.html
#include <boost/geometry.hpp> #include <boost/geometry.hpp>
#include <boost/geometry/strategies/cartesian/distance_pythagoras.hpp> #include <boost/geometry/strategies/cartesian/distance_pythagoras.hpp>
#include <boost/geometry/geometries/point_xy.hpp> #include <boost/geometry/geometries/point_xy.hpp>
using namespace boost::geometry; using namespace boost::geometry;
int main() int main()
{ {
typedef model::d2::point_xy<double> point_xy; typedef model::d2::point_xy<double> point_xy;
point_xy p1(0.0, 0.0); point_xy p1(0.0, 0.0);
point_xy p2(5.0, 0.0); point_xy p2(5.0, 0.0);
// 1) This is direct call to Pythagoras algo // 1) This is direct call to Pythagoras algo
typedef strategy::distance::pythagoras<point_xy, point_xy, double> strategy1_type; typedef strategy::distance::pythagoras<point_xy, point_xy, double> strategy1_type;
strategy1_type strategy1; strategy1_type strategy1;
strategy1_type ::calculation_type d1 = strategy1.apply(p1, p2); strategy1_type ::calculation_type d1 = strategy1.apply(p1, p2);
// 2) This is what is effectively called by simplify // 2) This is what is effectively called by simplify
typedef strategy::distance::comparable::pythagoras<point_xy, point_xy, double> strategy2_type; typedef strategy::distance::comparable::pythagoras<point_xy, point_xy, double> strategy2_type;
strategy2_type strategy2; strategy2_type strategy2;
strategy2_type::calculation_type d2 = strategy2.apply(p1, p2); strategy2_type::calculation_type d2 = strategy2.apply(p1, p2);
return 0; return 0;
} }