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Measuring: Gizmo measure shows dimensioning for angle edge-plane
This commit is contained in:
enricoturri1966
parent
e8a9280843
commit
706d05b31f
@ -75,20 +75,33 @@ static std::tuple<double, Vec3d, Vec3d> distance_point_plane(const Vec3d& v, con
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return std::make_tuple(plane.absDistance(v), v, plane.projection(v));
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}
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static Vec3d vector_direction(const Vec3d& from, const Vec3d& to)
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{
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return (to - from).normalized();
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}
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static Vec3d edge_direction(const Edge& e)
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{
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return vector_direction(e.first, e.second);
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}
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// returns: distance, 1st vertex, 2nd vertex
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static std::tuple<double, Vec3d, Vec3d> distance_point_edge(const Vec3d& v, const Edge& e)
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{
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const Eigen::ParametrizedLine<double, 3> line(e.first, (e.second - e.first).normalized());
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const Eigen::ParametrizedLine<double, 3> line = Eigen::ParametrizedLine<double, 3>::Through(e.first, e.second);
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return std::make_tuple(line.distance(v), v, line.projection(v));
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}
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// returns: distance, 1st vertex, 2nd vertex
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static std::tuple<double, Vec3d, Vec3d> distance_point_circle(const Vec3d& v, const Circle& c)
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{
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const auto& [center, radius, normal] = c;
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const Eigen::Hyperplane<double, 3> plane(normal, center);
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const Vec3d p_on_circle = center + radius * (plane.projection(v) - center).normalized();
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const Vec3d p_on_circle = center + radius * vector_direction(center, plane.projection(v));
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return std::make_tuple((v - p_on_circle).norm(), v, p_on_circle);
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}
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// returns: distance, 1st vertex, 2nd vertex
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static std::tuple<double, Vec3d, Vec3d> distance_edge_edge(const Edge& e1, const Edge& e2)
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{
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std::vector<std::tuple<double, Vec3d, Vec3d>> distances;
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@ -115,18 +128,19 @@ static std::tuple<double, Vec3d, Vec3d> distance_edge_edge(const Edge& e1, const
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return distances.front();
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}
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// returns: distance, 1st vertex, 2nd vertex
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static std::tuple<double, Vec3d, Vec3d> distance_edge_circle(const Edge& e, const Circle& c)
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{
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const auto& [center, radius, normal] = c;
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const Vec3d e1e2 = (e.second - e.first);
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const Vec3d e1e2_unit = e1e2.normalized();
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const Vec3d e1e2_unit = vector_direction(e.first, e.second);
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std::vector<std::tuple<double, Vec3d, Vec3d>> distances;
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distances.emplace_back(distance_point_circle(e.first, c));
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distances.emplace_back(distance_point_circle(e.second, c));
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const Eigen::Hyperplane<double, 3> plane(e1e2_unit, center);
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const Eigen::ParametrizedLine<double, 3> line(e.first, e1e2_unit);
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const Eigen::ParametrizedLine<double, 3> line = Eigen::ParametrizedLine<double, 3>::Through(e.first, e.second);
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const Vec3d inter = line.intersectionPoint(plane);
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const Vec3d e1inter = inter - e.first;
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if (e1inter.dot(e1e2) >= 0.0 && e1inter.norm() < e1e2.norm())
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@ -139,6 +153,7 @@ static std::tuple<double, Vec3d, Vec3d> distance_edge_circle(const Edge& e, cons
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return distances.front();
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}
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// returns: distance, 1st vertex, 2nd vertex
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static std::tuple<double, Vec3d, Vec3d> distance_plane_plane(const Plane& p1, const Plane& p2)
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{
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const auto& [idx1, normal1, origin1] = p1;
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@ -147,6 +162,71 @@ static std::tuple<double, Vec3d, Vec3d> distance_plane_plane(const Plane& p1, co
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std::make_tuple(0.0, Vec3d::Zero(), Vec3d::Zero());
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}
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// returns: angle in rad, center of arc, radius of arc, whether or not the edges are coplanar
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// After return, the edges are oriented so that they point away from their intersection point
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static std::tuple<double, Vec3d, double, bool> angle_edge_edge(Edge& e1, Edge& e2)
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{
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Vec3d e1_unit = edge_direction(e1);
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Vec3d e2_unit = edge_direction(e2);
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const double dot = e1_unit.dot(e2_unit);
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// are edges parallel ?
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if (std::abs(std::abs(dot) - 1.0) < EPSILON)
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return std::make_tuple(0.0, e1.first, 0.0, true);
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// project edges on the plane defined by them
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Vec3d normal = e1_unit.cross(e2_unit).normalized();
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const Eigen::Hyperplane<double, 3> plane(normal, e1.first);
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Vec3d e11_proj = plane.projection(e1.first);
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Vec3d e12_proj = plane.projection(e1.second);
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Vec3d e21_proj = plane.projection(e2.first);
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Vec3d e22_proj = plane.projection(e2.second);
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const bool coplanar = (e2.first - e21_proj).norm() < EPSILON && (e2.second - e22_proj).norm() < EPSILON;
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// rotate the plane to become the XY plane
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auto qp = Eigen::Quaternion<double>::FromTwoVectors(normal, Vec3d::UnitZ());
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auto qp_inverse = qp.inverse();
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const Vec3d e11_rot = qp * e11_proj;
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const Vec3d e12_rot = qp * e12_proj;
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const Vec3d e21_rot = qp * e21_proj;
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const Vec3d e22_rot = qp * e22_proj;
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// discard Z
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const Vec2d e11_rot_2d = Vec2d(e11_rot.x(), e11_rot.y());
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const Vec2d e12_rot_2d = Vec2d(e12_rot.x(), e12_rot.y());
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const Vec2d e21_rot_2d = Vec2d(e21_rot.x(), e21_rot.y());
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const Vec2d e22_rot_2d = Vec2d(e22_rot.x(), e22_rot.y());
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// find intersection (arc center) of edges in XY plane
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const Eigen::Hyperplane<double, 2> e1_rot_2d_line = Eigen::Hyperplane<double, 2>::Through(e11_rot_2d, e12_rot_2d);
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const Eigen::Hyperplane<double, 2> e2_rot_2d_line = Eigen::Hyperplane<double, 2>::Through(e21_rot_2d, e22_rot_2d);
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const Vec2d center_rot_2d = e1_rot_2d_line.intersection(e2_rot_2d_line);
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// arc center in original coordinate
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const Vec3d center = qp_inverse * Vec3d(center_rot_2d.x(), center_rot_2d.y(), e11_rot.z());
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// ensure the edges are pointing away from the center
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if ((center_rot_2d - e11_rot_2d).squaredNorm() > (center_rot_2d - e12_rot_2d).squaredNorm()) {
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std::swap(e1.first, e1.second);
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std::swap(e11_proj, e12_proj);
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e1_unit = -e1_unit;
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}
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if ((center_rot_2d - e21_rot_2d).squaredNorm() > (center_rot_2d - e22_rot_2d).squaredNorm()) {
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std::swap(e2.first, e2.second);
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std::swap(e21_proj, e22_proj);
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e2_unit = -e2_unit;
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}
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// arc angle
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const double angle = std::acos(std::clamp(e1_unit.dot(e2_unit), -1.0, 1.0));
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// arc radius
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const Vec3d e1_proj_mid = 0.5 * (e11_proj + e12_proj);
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const Vec3d e2_proj_mid = 0.5 * (e21_proj + e22_proj);
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const double radius = std::min((center - e1_proj_mid).norm(), (center - e2_proj_mid).norm());
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return std::make_tuple(angle, center, radius, coplanar);
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}
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static GLModel::Geometry init_plane_data(const indexed_triangle_set& its, const std::vector<std::vector<int>>& planes_triangles, int idx)
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{
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assert(0 <= idx && idx < (int)planes_triangles.size());
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@ -884,73 +964,21 @@ void GLGizmoMeasure::render_dimensioning()
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point_point(v1, v2);
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};
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auto arc_edge_edge = [this, shader](Edge e1, Edge e2) {
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Vec3d e1_unit = (e1.second - e1.first).normalized();
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Vec3d e2_unit = (e2.second - e2.first).normalized();
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const double dot = e1_unit.dot(e2_unit);
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if (std::abs(std::abs(dot) - 1.0) < EPSILON)
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// edges are parallel, return
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auto arc_edge_edge = [this, shader](const Edge& e1, const Edge& e2, const double* const force_radius = nullptr) {
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Edge e1copy = e1;
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Edge e2copy = e2;
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const auto [angle, center, radius, coplanar] = angle_edge_edge(e1copy, e2copy);
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if (radius == 0.0)
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return;
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// project edges on the plane defined by them
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Vec3d normal = e1_unit.cross(e2_unit).normalized();
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const Eigen::Hyperplane<double, 3> plane(normal, e1.first);
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Vec3d e11_proj = plane.projection(e1.first);
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Vec3d e12_proj = plane.projection(e1.second);
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Vec3d e21_proj = plane.projection(e2.first);
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Vec3d e22_proj = plane.projection(e2.second);
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assert(force_radius == nullptr || *force_radius > 0.0);
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const bool coplanar = (e2.first - e21_proj).norm() < EPSILON && (e2.second - e22_proj).norm() < EPSILON;
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const double draw_radius = (force_radius != nullptr) ? *force_radius : radius;
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// rotate the plane to become the XY plane
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auto qp = Eigen::Quaternion<double>::FromTwoVectors(normal, Vec3d::UnitZ());
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auto qp_inverse = qp.inverse();
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const Vec3d e11_rot = qp * e11_proj;
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const Vec3d e12_rot = qp * e12_proj;
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const Vec3d e21_rot = qp * e21_proj;
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const Vec3d e22_rot = qp * e22_proj;
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// discard Z
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const Vec2d e11_rot_2d = Vec2d(e11_rot.x(), e11_rot.y());
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const Vec2d e12_rot_2d = Vec2d(e12_rot.x(), e12_rot.y());
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const Vec2d e21_rot_2d = Vec2d(e21_rot.x(), e21_rot.y());
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const Vec2d e22_rot_2d = Vec2d(e22_rot.x(), e22_rot.y());
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// find intersection of edges in XY plane
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const Eigen::Hyperplane<double, 2> e1_rot_2d_line = Eigen::Hyperplane<double, 2>::Through(e11_rot_2d, e12_rot_2d);
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const Eigen::Hyperplane<double, 2> e2_rot_2d_line = Eigen::Hyperplane<double, 2>::Through(e21_rot_2d, e22_rot_2d);
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const Vec2d center_rot_2d = e1_rot_2d_line.intersection(e2_rot_2d_line);
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// center in world coordinate
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const Vec3d center = qp.inverse() * Vec3d(center_rot_2d.x(), center_rot_2d.y(), e11_rot.z());
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// revert edges, if needed (we want them to move away from the center)
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unsigned int revert_count = 0;
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if ((center_rot_2d - e11_rot_2d).squaredNorm() > (center_rot_2d - e12_rot_2d).squaredNorm()) {
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std::swap(e1.first, e1.second);
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std::swap(e11_proj, e12_proj);
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e1_unit = -e1_unit;
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++revert_count;
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}
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if ((center_rot_2d - e21_rot_2d).squaredNorm() > (center_rot_2d - e22_rot_2d).squaredNorm()) {
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std::swap(e2.first, e2.second);
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std::swap(e21_proj, e22_proj);
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e2_unit = -e2_unit;
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++revert_count;
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}
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if (revert_count == 1) {
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normal = -normal;
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qp = Eigen::Quaternion<double>::FromTwoVectors(normal, Vec3d::UnitZ());
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qp_inverse = qp.inverse();
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}
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// arc angle
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const double angle = std::acos(std::clamp(e1_unit.dot(e2_unit), -1.0, 1.0));
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// arc radius
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const Vec3d e1_proj_mid = 0.5 * (e11_proj + e12_proj);
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const Vec3d e2_proj_mid = 0.5 * (e21_proj + e22_proj);
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const double radius = std::min((center - e1_proj_mid).norm(), (center - e2_proj_mid).norm());
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const Vec3d e1_unit = edge_direction(e1copy);
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const Vec3d e2_unit = edge_direction(e2copy);
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const Vec3d normal = e1_unit.cross(e2_unit).normalized();
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if (!m_dimensioning.arc.is_initialized()) {
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const unsigned int resolution = std::max<unsigned int>(2, 64 * angle / double(PI));
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@ -964,7 +992,7 @@ void GLGizmoMeasure::render_dimensioning()
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const double step = angle / double(resolution);
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for (unsigned int i = 0; i <= resolution; ++i) {
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const double a = step * double(i);
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const Vec3d v = radius * (Eigen::Quaternion<double>(Eigen::AngleAxisd(a, normal)) * e1_unit);
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const Vec3d v = draw_radius * (Eigen::Quaternion<double>(Eigen::AngleAxisd(a, normal)) * e1_unit);
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init_data.add_vertex((Vec3f)v.cast<float>());
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init_data.add_index(i);
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}
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@ -972,35 +1000,70 @@ void GLGizmoMeasure::render_dimensioning()
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m_dimensioning.arc.init_from(std::move(init_data));
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}
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auto render_edge_entension = [this, shader, ¢er, radius](const Edge& e, bool coplanar) {
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const Vec3d e1center = center - e.first;
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const Vec3d e1e2 = e.second - e.first;
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const bool on_e1_side = e1center.dot(e1e2) < -EPSILON;
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const bool on_e2_side = !on_e1_side && e1center.norm() > e1e2.norm();
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if (!coplanar || on_e1_side || on_e2_side) {
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const Camera& camera = wxGetApp().plater()->get_camera();
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shader->set_uniform("projection_matrix", camera.get_projection_matrix());
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auto render_extension = [this, shader, &camera, ¢er, radius, coplanar](const Vec3d& p) {
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const Vec3d centerp = p - center;
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const auto q = Eigen::Quaternion<double>::FromTwoVectors(Vec3d::UnitX(), centerp.normalized());
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shader->set_uniform("view_model_matrix", camera.get_view_matrix() * m_volume_matrix * Geometry::translation_transform(center) * q *
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Geometry::scale_transform({ coplanar ? centerp.norm() : radius, 1.0f, 1.0f }));
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m_dimensioning.line.render();
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};
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render_extension(on_e1_side ? e.first : e.second);
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}
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};
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// render arc
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const Camera& camera = wxGetApp().plater()->get_camera();
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shader->set_uniform("projection_matrix", camera.get_projection_matrix());
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shader->set_uniform("view_model_matrix", camera.get_view_matrix() * m_volume_matrix * Geometry::translation_transform(center));
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m_dimensioning.arc.render();
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auto render_arc = [this, shader, ¢er]() {
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// render edge 1 extension
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const Vec3d e11e12 = e1copy.second - e1copy.first;
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const Vec3d e11center = center - e1copy.first;
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const double e11center_len = e11center.norm();
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if (e11center_len > EPSILON && e11center.dot(e11e12) < 0.0) {
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const Camera& camera = wxGetApp().plater()->get_camera();
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shader->set_uniform("projection_matrix", camera.get_projection_matrix());
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shader->set_uniform("view_model_matrix", camera.get_view_matrix() * m_volume_matrix * Geometry::translation_transform(center));
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m_dimensioning.arc.render();
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};
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shader->set_uniform("view_model_matrix", camera.get_view_matrix() * m_volume_matrix * Geometry::translation_transform(center) *
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Eigen::Quaternion<double>::FromTwoVectors(Vec3d::UnitX(), edge_direction(e1copy)) *
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Geometry::scale_transform({ e11center_len, 1.0f, 1.0f }));
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m_dimensioning.line.render();
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}
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render_edge_entension({ e11_proj , e12_proj }, true);
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render_edge_entension({ e21_proj , e22_proj }, coplanar);
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render_arc();
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// render edge 2 extension
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const Vec3d e21center = center - e2copy.first;
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const double e21center_len = e21center.norm();
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if (e21center_len > EPSILON) {
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const Camera& camera = wxGetApp().plater()->get_camera();
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shader->set_uniform("projection_matrix", camera.get_projection_matrix());
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shader->set_uniform("view_model_matrix", camera.get_view_matrix() * m_volume_matrix * Geometry::translation_transform(center) *
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Eigen::Quaternion<double>::FromTwoVectors(Vec3d::UnitX(), edge_direction(e2copy)) *
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Geometry::scale_transform({ (coplanar && (force_radius == nullptr)) ? e21center_len : draw_radius, 1.0f, 1.0f }));
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m_dimensioning.line.render();
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}
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};
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auto arc_edge_plane = [this, arc_edge_edge](const Edge& e, const Plane& p) {
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const auto& [idx, normal, origin] = p;
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const Vec3d e1e2 = e.second - e.first;
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const double abs_dot = std::abs(normal.dot(edge_direction(e)));
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if (abs_dot < EPSILON || std::abs(abs_dot - 1.0) < EPSILON)
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return;
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const Eigen::Hyperplane<double, 3> plane(normal, origin);
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const Eigen::ParametrizedLine<double, 3> line = Eigen::ParametrizedLine<double, 3>::Through(e.first, e.second);
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const Vec3d inters = line.intersectionPoint(plane);
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// ensure the edge is pointing away from the intersection
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Edge ecopy = e;
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Vec3d e1e2copy = e1e2;
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if ((ecopy.first - inters).squaredNorm() > (ecopy.second - inters).squaredNorm()) {
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std::swap(ecopy.first, ecopy.second);
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e1e2copy = -e1e2copy;
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}
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// calculate 2nd edge (on the plane)
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const Vec3d temp = normal.cross(e1e2copy);
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const Vec3d edge_on_plane_unit = normal.cross(temp).normalized();
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Edge edge_on_plane = { origin, origin + e1e2copy.norm() * edge_on_plane_unit };
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// ensure the 2nd edge is pointing in the correct direction
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const Vec3d test_edge = (edge_on_plane.second - edge_on_plane.first).cross(e1e2copy);
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if (test_edge.dot(temp) < 0.0)
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edge_on_plane = { origin, origin - e1e2copy.norm() * edge_on_plane_unit };
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const Vec3d e1e2copy_mid = 0.5 * (ecopy.second + ecopy.first);
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const double radius = (inters - e1e2copy_mid).norm();
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arc_edge_edge(ecopy, edge_on_plane, &radius);
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};
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auto edge_edge = [point_point, arc_edge_edge](const Edge& e1, const Edge& e2) {
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@ -1011,6 +1074,11 @@ void GLGizmoMeasure::render_dimensioning()
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arc_edge_edge(e1, e2);
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};
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||||
auto edge_plane = [point_point, arc_edge_plane](const Edge& e, const Plane& p) {
|
||||
// arc
|
||||
arc_edge_plane(e, p);
|
||||
};
|
||||
|
||||
auto edge_circle = [point_point](const Edge& e, const Circle& c) {
|
||||
const auto [distance, v1, v2] = distance_edge_circle(e, c);
|
||||
point_point(v1, v2);
|
||||
@ -1088,31 +1156,41 @@ void GLGizmoMeasure::render_dimensioning()
|
||||
m_selected_features.second.feature->get_type() == Measure::SurfaceFeatureType::Point) {
|
||||
point_edge(m_selected_features.second.feature->get_point(), m_selected_features.first.feature->get_edge());
|
||||
}
|
||||
// plane-point
|
||||
else if (m_selected_features.first.feature->get_type() == Measure::SurfaceFeatureType::Plane &&
|
||||
m_selected_features.second.feature->get_type() == Measure::SurfaceFeatureType::Point) {
|
||||
point_plane(m_selected_features.second.feature->get_point(), m_selected_features.first.feature->get_plane());
|
||||
}
|
||||
// circle-point
|
||||
else if (m_selected_features.first.feature->get_type() == Measure::SurfaceFeatureType::Circle &&
|
||||
m_selected_features.second.feature->get_type() == Measure::SurfaceFeatureType::Point) {
|
||||
point_circle(m_selected_features.second.feature->get_point(), m_selected_features.first.feature->get_circle());
|
||||
}
|
||||
// edge-edge
|
||||
else if (m_selected_features.first.feature->get_type() == Measure::SurfaceFeatureType::Edge &&
|
||||
m_selected_features.second.feature->get_type() == Measure::SurfaceFeatureType::Edge) {
|
||||
edge_edge(m_selected_features.first.feature->get_edge(), m_selected_features.second.feature->get_edge());
|
||||
}
|
||||
// edge-plane
|
||||
else if (m_selected_features.first.feature->get_type() == Measure::SurfaceFeatureType::Edge &&
|
||||
m_selected_features.second.feature->get_type() == Measure::SurfaceFeatureType::Plane) {
|
||||
edge_plane(m_selected_features.first.feature->get_edge(), m_selected_features.second.feature->get_plane());
|
||||
}
|
||||
// edge-circle
|
||||
else if (m_selected_features.first.feature->get_type() == Measure::SurfaceFeatureType::Edge &&
|
||||
m_selected_features.second.feature->get_type() == Measure::SurfaceFeatureType::Circle) {
|
||||
edge_circle(m_selected_features.first.feature->get_edge(), m_selected_features.second.feature->get_circle());
|
||||
}
|
||||
// plane-point
|
||||
else if (m_selected_features.first.feature->get_type() == Measure::SurfaceFeatureType::Plane &&
|
||||
m_selected_features.second.feature->get_type() == Measure::SurfaceFeatureType::Point) {
|
||||
point_plane(m_selected_features.second.feature->get_point(), m_selected_features.first.feature->get_plane());
|
||||
}
|
||||
// plane-edge
|
||||
else if (m_selected_features.first.feature->get_type() == Measure::SurfaceFeatureType::Plane &&
|
||||
m_selected_features.second.feature->get_type() == Measure::SurfaceFeatureType::Edge) {
|
||||
edge_plane(m_selected_features.second.feature->get_edge(), m_selected_features.first.feature->get_plane());
|
||||
}
|
||||
// plane-plane
|
||||
else if (m_selected_features.first.feature->get_type() == Measure::SurfaceFeatureType::Plane &&
|
||||
m_selected_features.second.feature->get_type() == Measure::SurfaceFeatureType::Plane) {
|
||||
plane_plane(m_selected_features.first.feature->get_plane(), m_selected_features.second.feature->get_plane());
|
||||
}
|
||||
// circle-point
|
||||
else if (m_selected_features.first.feature->get_type() == Measure::SurfaceFeatureType::Circle &&
|
||||
m_selected_features.second.feature->get_type() == Measure::SurfaceFeatureType::Point) {
|
||||
point_circle(m_selected_features.second.feature->get_point(), m_selected_features.first.feature->get_circle());
|
||||
}
|
||||
// circle-edge
|
||||
else if (m_selected_features.first.feature->get_type() == Measure::SurfaceFeatureType::Circle &&
|
||||
m_selected_features.second.feature->get_type() == Measure::SurfaceFeatureType::Edge) {
|
||||
|
||||
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Reference in New Issue
Block a user