Geometry Boost List: [ggl] [intersection] error when "out" point_type different than "in" point_type

Subject: [ggl] [intersection] error when "out" point_type different than "in" point_type
From: Barend Gehrels (Barend.Gehrels)
Date: 2009-06-19 05:53:27

Hi Chris,

Chris Browet wrote:
> Hi,
>
> While compiling this:
>
>                 std::vector<linestring_2d> clipped;
>                 intersection <linestring_2d, box_2d,
>     std::vector<TrackPointPtr>, std::back_insert_iterator
>     <std::vector<linestring_2d> > >
>                     (clipRect, p->Nodes, std::back_inserter(clipped));
>
>
> I receive this error:
>
>     ../include/ggl/algorithms/intersection_linestring.hpp:201: error:
>     no matching function for call to
>     'ggl::strategy::intersection::liang_barsky<ggl::box<ggl::point_xy<double,
>     ggl::cs::cartesian> >, TrackPoint*>::clip_segment(const
>     ggl::box<ggl::point_xy<double, ggl::cs::cartesian> >&,
>     ggl::segment<ggl::point_xy<double, ggl::cs::cartesian> >&, bool&,
>     bool&) const'
>     ../include/ggl/algorithms/intersection_linestring.hpp:76: note:
>     candidates are: bool ggl::strategy::intersection::liang_barsky<B,
>     P>::clip_segment(const B&, ggl::segment<P>&, bool&, bool&) const
>     [with B = ggl::box<ggl::point_xy<double, ggl::cs::cartesian> >, P
>     = TrackPoint*]
>
>
> under GCC
>
> and this
>
>     Error    17    error C2664:
>     'ggl::strategy::intersection::liang_barsky<B,P>::clip_segment' :
>     cannot convert parameter 2 from 'ggl::segment<P>' to
>     'ggl::segment<P> &'  
>      c:\home\cbrowet\src\merkaartor-0.14\include\ggl\algorithms\intersection_linestring.hpp  
>      201    merkaartor
>
>
> under MSVC.
>
> Any idea? This is probably related to the recent possibility to have 
> the output type different than the input one.
> In "clip_linestring_with_box", it would look like there is a mismatch 
> between the out point_type and the in point_type, but I'm lost in the 
> code...
You're probably right, I'll have a look asap (= alas not immediately)

Regards, Barend

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