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[geometry][extensions] Bugfixes: fixed distance strategies (w.r.t. changed template parameters) in latlong examples

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[SVN r85724]
This commit is contained in:
Barend Gehrels 2013-09-17 16:08:08 +00:00
parent 7a6a22a185
commit 803540261f
2 changed files with 10 additions and 10 deletions
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16
extensions/example/gis/latlong/distance_example.cpp
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@ -82,17 +82,17 @@ int main()
std::cout << "Distance " << city1_name << "-" << city2_name << ": " << std::endl;
std::cout << "haversine: " << 0.001 * distance(city1, city2) << " km" << std::endl;
std::cout << "haversine rad: " << 0.001 * distance(city1_rad, city2_rad) << " km" << std::endl;
std::cout << "haversine other radius: " << distance(city1, city2, strategy::distance::haversine<latlon_point>(6371.0) ) << " km" << std::endl;
std::cout << "andoyer: " << 0.001 * distance(city1, city2, strategy::distance::andoyer<latlon_point>() ) << " km" << std::endl;
std::cout << "vincenty: " << 0.001 * distance(city1, city2, strategy::distance::vincenty<latlon_point>() ) << " km" << std::endl;
std::cout << "vincenty rad: " << 0.001 * distance(city1_rad, city2_rad, strategy::distance::vincenty<model::ll::point<radian> >() ) << " km" << std::endl;
std::cout << "haversine other radius: " << distance(city1, city2, strategy::distance::haversine<double>(6371.0) ) << " km" << std::endl;
std::cout << "andoyer: " << 0.001 * distance(city1, city2, strategy::distance::andoyer<double>() ) << " km" << std::endl;
std::cout << "vincenty: " << 0.001 * distance(city1, city2, strategy::distance::vincenty<double>() ) << " km" << std::endl;
std::cout << "vincenty rad: " << 0.001 * distance(city1_rad, city2_rad, strategy::distance::vincenty<double>() ) << " km" << std::endl;
std::cout << "Projected, pythagoras: " << 0.001 * distance(city1_prj, city2_prj) << " km" << std::endl;
std::cout << std::endl;
std::cout << "Distance " << city1_name << "-" << city3_name << ": " << std::endl;
std::cout << "andoyer: " << 0.001 * distance(city1, city3, strategy::distance::andoyer<latlon_point>()) << " km" << std::endl;
std::cout << "andoyer: " << 0.001 * distance(city1, city3, strategy::distance::andoyer<double>()) << " km" << std::endl;
std::cout << "Distance " << city2_name << "-" << city3_name << ": " << std::endl;
std::cout << "andoyer: " << 0.001 * distance(city2, city3, strategy::distance::andoyer<latlon_point>()) << " km" << std::endl;
std::cout << "andoyer: " << 0.001 * distance(city2, city3, strategy::distance::andoyer<double>()) << " km" << std::endl;
// ------------------------------------------------------------------------------------------
// Distances to segments
@ -119,7 +119,7 @@ int main()
// Compilation
// ------------------------------------------------------------------------------------------
// Next line does not compile because Vincenty cannot work on xy-points
//std::cout << "vincenty on xy: " << 0.001 * distance(city1_prj, city2_prj, formulae::distance::vincenty<>() ) << " km" << std::endl;
//std::cout << "vincenty on xy: " << 0.001 * distance(city1_prj, city2_prj, formulae::distance::vincenty<double>() ) << " km" << std::endl;
// Next line does not compile because you cannot (yet) assign degree to radian directly
//ll::point<radian> a_rad2 = city1;
@ -137,7 +137,7 @@ int main()
append(line1, city1);
append(line1, city2);
std::cout << "length: " << length(line1) << std::endl;
std::cout << "length using Vincenty: " << length(line1, strategy::distance::vincenty<latlon_point>()) << std::endl;
std::cout << "length using Vincenty: " << length(line1, strategy::distance::vincenty<double>()) << std::endl;
model::linestring<xy_point> line2;
append(line2, city1_prj);

4
extensions/example/gis/latlong/point_ll_example.cpp
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@ -89,13 +89,13 @@ int main()
<< " km" << std::endl;
std::cout << "Distance Paris-Lima, Vincenty "
<< 0.001 * distance(paris, lima, strategy::distance::vincenty<latlon_point>())
<< 0.001 * distance(paris, lima, strategy::distance::vincenty<double>())
<< " km" << std::endl;
// Using great circle (=haversine), this is less precise because earth is not a sphere
double const average_earth_radius = 6372795.0;
std::cout << "Distance Paris-Lima, great circle "
<< 0.001 * distance(paris, lima, strategy::distance::haversine<latlon_point>(average_earth_radius))
<< 0.001 * distance(paris, lima, strategy::distance::haversine<double>(average_earth_radius))
<< " km" << std::endl;
// Convert a latlong point to radians. This might be convenient, although algorithms