Geometry :

Subject: Re: [geometry] Distance between point_ll and polygon in 1.56
From: Branimir Betov (bbetov_at_[hidden])
Date: 2014-08-09 12:07:31

Here is the full example I came up with. I am using visual studio (tried
2010, 2012, and 2013). For completeness I am attaching a file with the
polygon definition (test.txt).

#include "stdafx.h"
#include <string>
#include <fstream>
#include <streambuf>
#include <boost/geometry.hpp>
#include "boost/geometry/geometry.hpp"
#include <boost/geometry/extensions/gis/latlong/point_ll.hpp>
#include <boost/geometry/io/io.hpp>

namespace bg = boost::geometry;
using namespace std;

typedef bg::model::ll::point<> point;
typedef bg::model::polygon<point> polygon;

int _tmain(int argc, _TCHAR* argv[])
{
polygon poly;
std::string str;

std::ifstream t("c:\\temp\\test.txt");

t.seekg(0, std::ios::end);
str.reserve(t.tellg());
t.seekg(0, std::ios::beg);

str.assign((std::istreambuf_iterator<char>(t)),
std::istreambuf_iterator<char>());

const bg::latitude<double> lat_out(37.69311);
const bg::longitude<double> lon_out(-122.13865);
point p_out(lat_out, lon_out);

bg::distance(poly, p_out); // This fails to compile for some reason.

return 0;
}

On Sat, Aug 9, 2014 at 12:12 AM, Menelaos Karavelas <
menelaos.karavelas_at_[hidden]> wrote:

> Hi Branimir.
>
>
> On 09/08/2014 05:26 Ï€Î¼, Branimir Betov wrote:
>
> Hi,
>
> I am trying to figure out what is wrong with my code and am stuck, so I
> thought someone might help. The code used to work in 1.55 and in 1.56 no
> longer compiles; I am at a loss what might be wrong. I am using the GIS
> extension from the develop-1.56 branch.
>
> Here is the relevant snippet:
>
> typedef bg::model::ll::point<> point;
> typedef bg::model::polygon<point> polygon;
>
> polygon poly;
>
>
> const bg::latitude<double> lat_out(37.69311);
> const bg::longitude<double> lon_out(-122.13865);
> point p_out(lat_out, lon_out);
>
> bg::distance(p_out, poly); // It fails to compile right here.
>
>
> Does anyone have any suggestions?
>
>
> Would it be possible to provide a minimal complete example that fails?
>
> Thanks a lot.
>
> - m.
>
>
> Thank you,
> Branimir
>
>
>
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