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handle the case when source and target are in the interior of the same edge

This commit is contained in:
Sébastien Loriot 2016-06-20 14:43:57 +02:00
parent b2d2e85d5a
commit a6bccbca40
1 changed files with 4 additions and 3 deletions
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7
Surface_mesh_shortest_path/include/CGAL/Surface_mesh_shortest_path/Surface_mesh_shortest_path.h
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@ -1564,15 +1564,16 @@ private:
case Cone_tree_node::EDGE_SOURCE:
{
Segment_2 entrySegment = current->entry_segment();
Ray_2 rayToLocation(construct_ray_2(current->source_image(), currentLocation));
Point_2 currentSourceImage = current->source_image();
Ray_2 rayToLocation(construct_ray_2(currentSourceImage, currentLocation));
LineLineIntersectResult cgalIntersection = intersect_2(construct_line_2(entrySegment), construct_line_2(rayToLocation));
CGAL_assertion(bool(cgalIntersection));
Point_2* result = boost::get<Point_2>(&*cgalIntersection);
const Point_2* result = boost::get<Point_2>(&*cgalIntersection);
CGAL_assertion(result && "Error, did not get point intersection on path walk to source");
if (!result) result = &currentSourceImage;
FT t0 = parametric_distance_along_segment_2(construct_source_2(entrySegment), construct_target_2(entrySegment), *result);