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Shows Boost.Polygon point in example

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[SVN r67043]
This commit is contained in:
Barend Gehrels 2010-12-05 21:48:38 +00:00
parent 92cecaa0f5
commit 76d0debf1f
3 changed files with 11 additions and 8 deletions
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14
example/01_point_example.cpp
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@ -14,6 +14,7 @@
#include <boost/geometry/geometries/adapted/tuple_cartesian.hpp>
#include <boost/geometry/geometries/adapted/c_array_cartesian.hpp>
#include <boost/geometry/geometries/adapted/boost_array_cartesian.hpp>
#include <boost/geometry/geometries/adapted/boost_polygon.hpp>
int main()
@ -27,19 +28,22 @@ int main()
// 2: its own type targetted to Cartesian (x,y) coordinates
model::d2::point_xy<double> pt2;
// 3: it supports Boost tuple's (by including the headerfile)
// 3: it supports Boost tuple's
boost::tuple<double, double> pt3;
// 4: it supports normal arrays
double pt4[2];
// 5: it supports boost arrays
// 5: it supports arrays-as-points from Boost.Array
boost::array<double, 2> pt5;
// 6: in the past there was a typedef point_2d
// 6: it supports points from Boost.Polygon
boost::polygon::point_data<double> pt6;
// 7: in the past there was a typedef point_2d
// But users are now supposted to do that themselves:
typedef model::d2::point_xy<double> point_2d;
point_2d pt6;
point_2d pt7;
// 7: there are more variants, and you can create your own.
@ -53,6 +57,8 @@ int main()
assign(pt4, 4, 4);
assign(pt5, 5, 5);
assign(pt6, 6, 6);
assign(pt7, 7, 7);
double d1 = distance(pt1, pt2);
double d2 = distance(pt3, pt4);

2
example/extensions/gis/latlong/distance_example.cpp
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@ -105,8 +105,6 @@ int main()
double dr = distance(city3_prj, ar_xy);
std::cout << "projected: " << 0.001 * dr << std::endl;
double const radius = 6378137.0;
dr = distance(city3, model::segment<latlon_point>(city1, city2));
std::cout << "in LL: " << 0.001 * dr << std::endl;

3
example/extensions/gis/projections/p03_projmap_example.cpp
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@ -107,8 +107,7 @@ void read_wkt_and_project_and_write_svg(std::string const& wkt_filename,
true
> svg_transformer(bbox, 800, 600);
// Create the background. Because projections might reverse the world,
// so we use SVG-coordinates here
// Create the background
boost::geometry::model::box<svg_point> box;
boost::geometry::assign(box, 0, 0, 800, 600);
out << boost::geometry::svg(box, "fill:rgb(0,0,255)") << std::endl;