songsenand
/
cgal
mirror of https://github.com/CGAL/cgal
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Triangulation_2 Demo: Read files with many WKT entities

This commit is contained in:
Andreas Fabri 2022-12-07 17:35:57 +00:00
parent 0d89f3c12b
commit 8da2cd9a34
1 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
GraphicsView/demo/Triangulation_2/Constrained_Delaunay_triangulation_2.cpp
View File

@ -559,9 +559,20 @@ MainWindow::loadWKT(QString filename)
{ {
typedef CGAL::Polygon_with_holes_2<K> Polygon; typedef CGAL::Polygon_with_holes_2<K> Polygon;
typedef CGAL::Point_2<K> Point; typedef CGAL::Point_2<K> Point;
std::vector<Polygon> mps;
CGAL::IO::read_multi_polygon_WKT(ifs, mps); std::deque<Point> points;
for(const Polygon& p : mps) std::deque<std::vector<Point>> linestrings;
std::deque<Polygon> polygons;
CGAL::IO::read_WKT(ifs, points, linestrings, polygons);
cdt.insert(points.begin(),points.end());
for(const std::vector<Point>& line){
cdt.insert_constraint(line.begin(), line.end());
}
for(const Polygon& p : polygons)
{ {
if(p.outer_boundary().is_empty()) if(p.outer_boundary().is_empty())
continue; continue;