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BoundingBox support for Lines,

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BoundingBox constructor will no more throw for empty vector of points.

GMP allowed for Vojtech's fork of boost::polygon Voronoi implementation.

Added libslic3r tests for boost::polygon Voronoi. All Voronoi issues
ever reported on the Internet are captured by the tests. Two issues
reported (the two test cases) are real issues which may influence
PrusaSlicer negatively, namely

https://github.com/boostorg/polygon/issues/43
This commit is contained in:
Vojtech Bubnik
2020-05-28 15:53:53 +02:00
parent 0599dc4df7
commit 6f92538c20
8 changed files with 1621 additions and 26 deletions
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23
src/libslic3r/BoundingBox.hpp
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@@ -20,17 +20,19 @@ public:
min(pmin), max(pmax), defined(pmin(0) < pmax(0) && pmin(1) < pmax(1)) {}
BoundingBoxBase(const std::vector<PointClass>& points) : min(PointClass::Zero()), max(PointClass::Zero())
{
if (points.empty())
throw std::invalid_argument("Empty point set supplied to BoundingBoxBase constructor");
typename std::vector<PointClass>::const_iterator it = points.begin();
this->min = *it;
this->max = *it;
for (++ it; it != points.end(); ++ it) {
this->min = this->min.cwiseMin(*it);
this->max = this->max.cwiseMax(*it);
if (points.empty()) {
this->defined = false;
// throw std::invalid_argument("Empty point set supplied to BoundingBoxBase constructor");
} else {
typename std::vector<PointClass>::const_iterator it = points.begin();
this->min = *it;
this->max = *it;
for (++ it; it != points.end(); ++ it) {
this->min = this->min.cwiseMin(*it);
this->max = this->max.cwiseMax(*it);
}
this->defined = (this->min(0) < this->max(0)) && (this->min(1) < this->max(1));
}
this->defined = (this->min(0) < this->max(0)) && (this->min(1) < this->max(1));
}
void reset() { this->defined = false; this->min = PointClass::Zero(); this->max = PointClass::Zero(); }
void merge(const PointClass &point);
@@ -143,7 +145,6 @@ public:
BoundingBox() : BoundingBoxBase<Point>() {}
BoundingBox(const Point &pmin, const Point &pmax) : BoundingBoxBase<Point>(pmin, pmax) {}
BoundingBox(const Points &points) : BoundingBoxBase<Point>(points) {}
BoundingBox(const Lines &lines);
friend BoundingBox get_extents_rotated(const Points &points, double angle);
};