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Measuring: Use eigen library in distance calculations for Gizmo measure

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This commit is contained in:
enricoturri1966 2022-09-16 11:24:44 +02:00
parent 124216da02
commit 0d70bbba8b
1 changed files with 7 additions and 8 deletions
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15
src/slic3r/GUI/Gizmos/GLGizmoMeasure.cpp
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@ -70,23 +70,22 @@ static std::string point_on_feature_type_as_string(Measure::SurfaceFeatureType t
static std::tuple<double, Vec3d, Vec3d> distance_point_plane(const Vec3d& v, const Plane& p)
{
const double distance = std::get<1>(p).dot(v - std::get<2>(p));
return std::make_tuple(std::abs(distance), v, v - distance * std::get<1>(p));
const auto& [idx, normal, origin] = p;
const Eigen::Hyperplane<double, 3> plane(normal, origin);
return std::make_tuple(plane.absDistance(v), v, plane.projection(v));
}
static std::tuple<double, Vec3d, Vec3d> distance_point_edge(const Vec3d& v, const Edge& e)
{
const Vec3d e1v = v - e.first;
const Vec3d e1e2_unit = (e.second - e.first).normalized();
const Vec3d v_proj = e.first + e1e2_unit.dot(e1v) * e1e2_unit;
return std::make_tuple((e1v - v_proj).norm(), v, v_proj);
const Eigen::ParametrizedLine<double, 3> line(e.first, (e.second - e.first).normalized());
return std::make_tuple(line.distance(v), v, line.projection(v));
}
static std::tuple<double, Vec3d, Vec3d> distance_point_circle(const Vec3d& v, const Circle& c)
{
const auto& [center, radius, normal] = c;
const auto [distance, v1, v2] = distance_point_plane(v, std::make_tuple(0, normal, center));
const Vec3d p_on_circle = center + radius * (v2 - center).normalized();
const Eigen::Hyperplane<double, 3> plane(normal, center);
const Vec3d p_on_circle = center + radius * (plane.projection(v) - center).normalized();
return std::make_tuple((v - p_on_circle).norm(), v, p_on_circle);
}