Project translated automatically. Log in or register, to view the original There is a script to determine the point in the polygon with geo-coordinates. Link to the article and script http://habrahabr.ru/post/125356/ Task: Set the form or table in which the polygins (coordinates) are reflected, the field where the data of the test point is folded and the result of the point falling into these polygons is determined. template bool pt_in_polygon2(const T &test,const std::vector &polygon){static const int q_patt[2]={{0,1},{3,2}};if (polygon.size()::const_iterator end=polygon.end();T pred_pt=polygon.back();pred_pt.x-=test.x;pred_pt.y-=test.y;int pred_q=q_patt[pred_pt.y::const_iterator iter=polygon.begin();iter!=end;++iter){T cur_pt=iter*;cur_pt.x=test.x;cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury=cury(pred_pt.x*cur_pt.y>=pred_pt.y*cur_pt.x))--w;break;}pred_pt=cur_pt;pred_q=q;}return w!=0;}

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Sergey Titakov

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