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(C++) BoostGeometryExample1

 

BoostQt CreatorLubuntu

 

Boost.Geometry example 1: determine if a point is within a polygon is a Boost.Geometry example.

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Qt project file: ./CppBoostGeometryExample1/CppBoostGeometryExample1.pro

 

include(../../ConsoleApplication.pri) #Or use the code below
# QT += core
# QT += gui
# greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
# CONFIG   += console
# CONFIG   -= app_bundle
# TEMPLATE = app
# CONFIG(release, debug|release) {
#   DEFINES += NDEBUG NTRACE_BILDERBIKKEL
# }
# QMAKE_CXXFLAGS += -std=c++11 -Wall -Wextra -Weffc++
# unix {
#   QMAKE_CXXFLAGS += -Werror
# }

include(../../Libraries/Boost.pri) #Or use the code below
# win32 {
#   INCLUDEPATH += \
#     ../../Libraries/boost_1_55_0
# }

SOURCES += main.cpp

 

 

 

 

 

./CppBoostGeometryExample1/main.cpp

 

#include <cassert>
#include <iostream>

#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Weffc++"
#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
#pragma GCC diagnostic ignored "-Wunused-variable"
#include <boost/geometry.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
#pragma GCC diagnostic pop

int main()
{
  typedef boost::geometry::model::d2::point_xy<int> Coordinat2D;
  Coordinat2D p(0,0);

  const Coordinat2D p1(1,1);
  const Coordinat2D p2(4,8);

  boost::geometry::assign_point(p,p1);

  assert(boost::geometry::equals(p,p1));

  boost::geometry::add_point(p,p2);
  boost::geometry::subtract_point(p,p2);

  assert(boost::geometry::equals(p,p1));
}

 

 

 

 

 

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