Re: [Boost-users] [geometry] Boost Geometry Compilation Errors

Subject: Re: [Boost-users] [geometry] Boost Geometry Compilation Errors
From: Joel Markham (markhamj_at_[hidden])
Date: 2013-03-20 09:06:44

http://www.boost.org/doc/libs/1_53_0/libs/geometry/doc/html/geometry/quickstart.html

On Mar 20, 2013, at 7:38 AM, Barend Gehrels <barend_at_[hidden]> wrote:

> Hi Joel,
> 
> 
> On 20-3-2013 2:54, Joel Markham wrote:
>> Trying to use the boost geometry library.
>> 
>> Have a very simple example from the boost geometry home page
> 
> From which homepage?
> 
> 
>> 
>> int main(int argc, const char * argv[])
>> {
>>     double points[][2] = {{2.0, 1.3}, {4.1, 3.0}, {5.3, 2.6}, {2.9, 0.7}, {2.0, 1.3}};
>>     bgm::polygon<bgm::d2::point_xy<double> > poly;
>>     bg::append(poly, points);
>>     boost::tuple<double, double> p = boost::make_tuple(3.7, 2.0);
>>     std::cout << "Point p is in polygon? " << std::boolalpha << bg::within(p, poly) << std::endl;
>>     …
>> }
>> 
>> When trying to build on my Mac I get compiler warnings:
>> 
>> point_type.hpp
>> No matching function for call to 'assertion_failed"
>> 
>> coordinate_type.hpp
>> No matching function for call to 'assertion_failed"
>> 
>> convert_point_to_point.hpp
>> Call to function 'get that is neither visible in the template definition or found…
>> 
>> access.hpp
>> Nom member named 'get in boost::geometry::core_dispatch…
> 
> 
> Your example is not complete (no headers) so I cannot see what is missing here. The complete version below compiles for me. Registration of tuples is necessary (to indicate which coordinate system). Same for C-Arrays, if append is used like this (it can be done differently too).
> 
> Regards, Barend
> ------------------------
> 
> 
> #include <boost/geometry.hpp>
> #include <boost/geometry/geometries/point_xy.hpp>
> #include <boost/geometry/geometries/polygon.hpp>
> #include <boost/geometry/multi/geometries/multi_polygon.hpp> 
> 
> #include <boost/geometry/geometries/adapted/boost_tuple.hpp>
> #include <boost/geometry/geometries/adapted/c_array.hpp>
> 
> #include <iostream>
> 
> namespace bg = boost::geometry;
> namespace bgm = boost::geometry::model;
> 
> BOOST_GEOMETRY_REGISTER_BOOST_TUPLE_CS(cs::cartesian)
> BOOST_GEOMETRY_REGISTER_C_ARRAY_CS(cs::cartesian)
> 
> 
> int main(int argc, const char * argv[])
> {
>     double points[][2] = {{2.0, 1.3}, {4.1, 3.0}, {5.3, 2.6}, {2.9, 0.7}, {2.0, 1.3}};
>     bgm::polygon<bgm::d2::point_xy<double> > poly;
>     bg::append(poly, points);
>     boost::tuple<double, double> p = boost::make_tuple(3.7, 2.0);
>     std::cout << "Point p is in polygon? " << std::boolalpha << bg::within(p, poly) << std::endl;
>     return 0;
> }
> 
> 
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