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Add BoundingBox constructor with point set iterators

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This commit is contained in:
tamasmeszaros 2021-01-04 15:41:58 +01:00
parent 195b39bb5b
commit 7830c8f8aa
1 changed files with 33 additions and 19 deletions
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52
src/libslic3r/BoundingBox.hpp
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@ -21,22 +21,30 @@ public:
min(pmin), max(pmax), defined(pmin(0) < pmax(0) && pmin(1) < pmax(1)) {}
BoundingBoxBase(const PointClass &p1, const PointClass &p2, const PointClass &p3) :
min(p1), max(p1), defined(false) { merge(p2); merge(p3); }
BoundingBoxBase(const std::vector<PointClass>& points) : min(PointClass::Zero()), max(PointClass::Zero())
template<class It, class = IteratorOnly<It> >
BoundingBoxBase(It from, It to) : min(PointClass::Zero()), max(PointClass::Zero())
{
if (points.empty()) {
if (from == to) {
this->defined = false;
// throw Slic3r::InvalidArgument("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);
auto it = from;
this->min = it->template cast<typename PointClass::Scalar>();
this->max = this->min;
for (++ it; it != to; ++ it) {
auto vec = it->template cast<typename PointClass::Scalar>();
this->min = this->min.cwiseMin(vec);
this->max = this->max.cwiseMax(vec);
}
this->defined = (this->min(0) < this->max(0)) && (this->min(1) < this->max(1));
}
}
BoundingBoxBase(const std::vector<PointClass> &points)
: BoundingBoxBase(points.begin(), points.end())
{}
void reset() { this->defined = false; this->min = PointClass::Zero(); this->max = PointClass::Zero(); }
void merge(const PointClass &point);
void merge(const std::vector<PointClass> &points);
@ -74,19 +82,27 @@ public:
{ if (pmin(2) >= pmax(2)) BoundingBoxBase<PointClass>::defined = false; }
BoundingBox3Base(const PointClass &p1, const PointClass &p2, const PointClass &p3) :
BoundingBoxBase<PointClass>(p1, p1) { merge(p2); merge(p3); }
BoundingBox3Base(const std::vector<PointClass>& points)
template<class It, class = IteratorOnly<It> > BoundingBox3Base(It from, It to)
{
if (points.empty())
if (from == to)
throw Slic3r::InvalidArgument("Empty point set supplied to BoundingBox3Base 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);
auto it = from;
this->min = it->template cast<typename PointClass::Scalar>();
this->max = this->min;
for (++ it; it != to; ++ it) {
auto vec = it->template cast<typename PointClass::Scalar>();
this->min = this->min.cwiseMin(vec);
this->max = this->max.cwiseMax(vec);
}
this->defined = (this->min(0) < this->max(0)) && (this->min(1) < this->max(1)) && (this->min(2) < this->max(2));
}
BoundingBox3Base(const std::vector<PointClass> &points)
: BoundingBox3Base(points.begin(), points.end())
{}
void merge(const PointClass &point);
void merge(const std::vector<PointClass> &points);
void merge(const BoundingBox3Base<PointClass> &bb);
@ -188,9 +204,7 @@ public:
class BoundingBoxf3 : public BoundingBox3Base<Vec3d>
{
public:
BoundingBoxf3() : BoundingBox3Base<Vec3d>() {}
BoundingBoxf3(const Vec3d &pmin, const Vec3d &pmax) : BoundingBox3Base<Vec3d>(pmin, pmax) {}
BoundingBoxf3(const std::vector<Vec3d> &points) : BoundingBox3Base<Vec3d>(points) {}
using BoundingBox3Base::BoundingBox3Base;
BoundingBoxf3 transformed(const Transform3d& matrix) const;
};