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FIX:backup iterator location

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Jira: STUDIO-5267
Change-Id: Id035c9225a858bb551aa4f09870fc4c6bb30b255
This commit is contained in:
zhou.xu 2023-12-07 16:01:05 +08:00 committed by Lane.Wei
parent 80e4f34219
commit 955d62fdf1
1 changed files with 2 additions and 0 deletions
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2
src/libslic3r/TriangleMeshSlicer.cpp
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@ -2231,6 +2231,7 @@ static void triangulate_slice(
[&v](const std::pair<Vec2f, int> &l) { [&v](const std::pair<Vec2f, int> &l) {
return l.first.x() < v.x() || (is_equal_for_sort(l.first.x(), v.x()) && l.first.y() < v.y()); return l.first.x() < v.x() || (is_equal_for_sort(l.first.x(), v.x()) && l.first.y() < v.y());
}); });
auto back_it = it;
int idx = -1; int idx = -1;
bool exist = false; bool exist = false;
for (auto iter = section_vertices_map.begin(); iter != section_vertices_map.end(); iter++) { for (auto iter = section_vertices_map.begin(); iter != section_vertices_map.end(); iter++) {
@ -2252,6 +2253,7 @@ static void triangulate_slice(
} }
// go on finding // go on finding
if (!exist) { if (!exist) {
it = back_it;
for (; it != map_vertex_to_index.begin(); it--) { for (; it != map_vertex_to_index.begin(); it--) {
if (is_equal(it->first.x(), v.x()) && is_equal(it->first.y(), v.y())) { if (is_equal(it->first.x(), v.x()) && is_equal(it->first.y(), v.y())) {
idx = it->second; idx = it->second;