如何从svg读取boost :: geometry :: model :: polygon

时间:2016-08-06 11:33:02

标签: c++ c++11 svg boost boost-geometry

我可以像这样写一个boost :: geometry :: model :: polygon到svg:

#include <iostream>
#include <fstream>

#include <boost/geometry.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
#include <boost/geometry/geometries/polygon.hpp>
#include <boost/geometry/io/svg/svg_mapper.hpp>

typedef boost::geometry::model::d2::point_xy<double> point_type;
typedef boost::geometry::model::polygon<point_type> polygon_type;

int main()
{
    polygon_type polygon;

    polygon.outer().push_back(point_type{10,10});
    polygon.outer().push_back(point_type{11,10});
    polygon.outer().push_back(point_type{10,11});
    polygon.outer().push_back(point_type{10,10});

    std::ofstream svg("test.svg");

    boost::geometry::svg_mapper<point_type> mapper(svg, 400, 400);
    mapper.add(polygon);
    mapper.map(polygon, "fill:rgb(255,128,0);stroke:rgb(0,0,100);stroke-width:1");

    return 0;
}

然而,我似乎无法找到逆操作。也就是说,我有一个.svg,现在如何将它读入boost :: geometry :: model :: polygon?

1 个答案:

答案 0 :(得分:1)

正如@sehe指出的那样,没有可用的SVG阅读器。