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Cleaned up and initialized m_left_on_boundary properly

This commit is contained in:
Efi Fogel 2025-10-23 12:56:05 +03:00
parent 5ed29f9173
commit a1b5cd58da
1 changed files with 37 additions and 37 deletions
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74
Arrangement_on_surface_2/include/CGAL/Arrangement_2/Arrangement_zone_2_impl.h
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@ -37,12 +37,12 @@ init_with_hint(const X_monotone_curve_2& cv, Pl_result_type obj) {
// associated with valid endpoints.
m_cv = cv;
auto psx = m_geom_traits->parameter_space_in_x_2_object();
auto psy = m_geom_traits->parameter_space_in_y_2_object();
if (m_geom_traits->is_closed_2_object()(m_cv, ARR_MIN_END)) {
// The left endpoint is valid.
const Arr_parameter_space ps_x1 =
m_geom_traits->parameter_space_in_x_2_object()(m_cv, ARR_MIN_END);
const Arr_parameter_space ps_y1 =
m_geom_traits->parameter_space_in_y_2_object()(m_cv, ARR_MIN_END);
const Arr_parameter_space ps_x1 = psx(m_cv, ARR_MIN_END);
const Arr_parameter_space ps_y1 = psy(m_cv, ARR_MIN_END);
m_has_left_pt = true;
m_left_on_boundary = (ps_x1 != ARR_INTERIOR || ps_y1 != ARR_INTERIOR);
m_left_pt = m_geom_traits->construct_min_vertex_2_object()(m_cv);
@ -55,10 +55,8 @@ init_with_hint(const X_monotone_curve_2& cv, Pl_result_type obj) {
if (m_geom_traits->is_closed_2_object()(m_cv, ARR_MAX_END)) {
// The right endpoint is valid.
const Arr_parameter_space ps_x2 =
m_geom_traits->parameter_space_in_x_2_object()(m_cv, ARR_MAX_END);
const Arr_parameter_space ps_y2 =
m_geom_traits->parameter_space_in_y_2_object()(m_cv, ARR_MAX_END);
const Arr_parameter_space ps_x2 = psx(m_cv, ARR_MAX_END);
const Arr_parameter_space ps_y2 = psy(m_cv, ARR_MAX_END);
m_has_right_pt = true;
m_right_on_boundary = (ps_x2 != ARR_INTERIOR || ps_y2 != ARR_INTERIOR);
m_right_pt = m_geom_traits->construct_max_vertex_2_object()(m_cv);
@ -252,11 +250,12 @@ bool Arrangement_zone_2<Arrangement, ZoneVisitor>::
do_overlap_impl(const X_monotone_curve_2& cv1,
const X_monotone_curve_2& cv2,
const Point_2& p, Arr_not_all_sides_oblivious_tag) const {
typename Traits_adaptor_2::Compare_y_at_x_right_2 cmp_right =
m_geom_traits->compare_y_at_x_right_2_object();
auto cmp_right = m_geom_traits->compare_y_at_x_right_2_object();
auto psx = m_geom_traits->parameter_space_in_x_2_object();
auto psy = m_geom_traits->parameter_space_in_y_2_object();
auto psx1 = m_geom_traits->parameter_space_in_x_2_object()(cv1, ARR_MIN_END);
auto psy1 = m_geom_traits->parameter_space_in_y_2_object()(cv1, ARR_MIN_END);
auto psx1 = psx(cv1, ARR_MIN_END);
auto psy1 = psy(cv1, ARR_MIN_END);
if ((psx1 == ARR_INTERIOR) && (psy1 == ARR_INTERIOR))
return (cmp_right(cv1, cv2, p) == EQUAL);
@ -265,8 +264,8 @@ do_overlap_impl(const X_monotone_curve_2& cv1,
bool vertical2 = m_geom_traits->is_vertical_2_object()(cv2);
if (vertical1 != vertical2) return false;
auto psx2 = m_geom_traits->parameter_space_in_x_2_object()(cv2, ARR_MIN_END);
auto psy2 = m_geom_traits->parameter_space_in_y_2_object()(cv2, ARR_MIN_END);
auto psx2 = psx(cv2, ARR_MIN_END);
auto psy2 = psy(cv2, ARR_MIN_END);
// If, for example, both curves are vertical and the bottom boundary is
// contracted, they may have different parameter space in x values.
@ -277,8 +276,7 @@ do_overlap_impl(const X_monotone_curve_2& cv1,
// left boundary, they completely lie on the left boundary and they overlap.
if (vertical1) return true;
typename Traits_adaptor_2::Compare_y_near_boundary_2 cmp_near =
m_geom_traits->compare_y_near_boundary_2_object();
auto cmp_near = m_geom_traits->compare_y_near_boundary_2_object();
return (cmp_near(cv1, cv2, ARR_MIN_END) == EQUAL);
}
@ -407,7 +405,7 @@ _direct_intersecting_edge_to_right(const X_monotone_curve_2& cv_ins,
// Check whether the curve lies above of below the edge immediately to
// the right of its left endpoint.
const Comparison_result pos_res =
const Comparison_result pos_res =
m_geom_traits->compare_y_at_x_right_2_object()(cv_ins, query_he->curve(),
cv_left_pt);
@ -459,7 +457,7 @@ _direct_intersecting_edge_to_left(const X_monotone_curve_2& cv_ins,
// Check whether the curve lies above of below the edge (we use the curve
// position predicate, as we know they cruves do not overlap and intersect
// only at the split point).
Comparison_result pos_res =
Comparison_result pos_res =
m_geom_traits->compare_y_position_2_object()(cv_ins, query_he->curve());
if (pos_res == EQUAL) {
@ -729,14 +727,14 @@ _is_to_left_impl(const Point_2& p, Halfedge_handle he,
// Check the boundary conditions of the minimal end of the curve associated
// with the given halfedge.
auto ps_in_x = m_geom_traits->parameter_space_in_x_2_object();
auto ps_x_min = ps_in_x(he->curve(), ARR_MIN_END);
auto psx = m_geom_traits->parameter_space_in_x_2_object();
auto ps_x_min = psx(he->curve(), ARR_MIN_END);
// Any point is not to the left of the left boundary.
if (ps_x_min == ARR_LEFT_BOUNDARY) return false;
auto ps_in_y = m_geom_traits->parameter_space_in_y_2_object();
auto ps_y_min = ps_in_y(he->curve(), ARR_MIN_END);
auto psy = m_geom_traits->parameter_space_in_y_2_object();
auto ps_y_min = psy(he->curve(), ARR_MIN_END);
if (ps_y_min != ARR_INTERIOR) {
// Check if p is to the left of the minimal curve-end:
auto cmp_x = m_geom_traits->compare_x_point_curve_end_2_object();
@ -766,16 +764,16 @@ _is_to_right_impl(const Point_2& p, Halfedge_handle he,
// Check the boundary conditions of the maximal end of the curve associated
// with the given halfedge.
auto ps_in_x = m_geom_traits->parameter_space_in_x_2_object();
auto ps_x_max = ps_in_x(he->curve(), ARR_MAX_END);
auto psx = m_geom_traits->parameter_space_in_x_2_object();
auto ps_x_max = psx(he->curve(), ARR_MAX_END);
// Any point is not to the right of the right boundary.
if (ps_x_max == ARR_RIGHT_BOUNDARY) return false;
// Any interior point is to the right of the left boundary.
if (ps_x_max == ARR_LEFT_BOUNDARY) return true;
auto ps_in_y = m_geom_traits->parameter_space_in_y_2_object();
auto ps_y_max = ps_in_y(he->curve(), ARR_MAX_END);
auto psy = m_geom_traits->parameter_space_in_y_2_object();
auto ps_y_max = psy(he->curve(), ARR_MAX_END);
if (ps_y_max != ARR_INTERIOR) {
// Check if p is to the right of the maximal curve-end:
auto cmp_x = m_geom_traits->compare_x_point_curve_end_2_object();
@ -815,7 +813,6 @@ is_to_left_impl(const Point_2& p1, Arr_parameter_space ps1,
return false;
}
if (is_on_y_ident(p2)) return true;
std::cout << "XXXX p1: " << p1 << ", p2: " << p2 << std::endl;
auto cmp_xy = m_geom_traits->compare_xy_2_object();
return (cmp_xy(p2, p1) == SMALLER);
}
@ -1087,10 +1084,10 @@ _zone_in_face(Face_handle face, bool on_boundary) {
m_left_pt = m_intersect_p;
m_cv = m_sub_cv2;
auto ps_in_x = m_geom_traits->parameter_space_in_x_2_object();
auto ps_in_y = m_geom_traits->parameter_space_in_y_2_object();
auto ps_x = ps_in_x(m_left_pt);
auto ps_y = ps_in_y(m_left_pt);
auto psx = m_geom_traits->parameter_space_in_x_2_object();
auto psy = m_geom_traits->parameter_space_in_y_2_object();
auto ps_x = psx(m_left_pt);
auto ps_y = psy(m_left_pt);
m_left_on_boundary = (ps_x != ARR_INTERIOR || ps_y != ARR_INTERIOR);
}
@ -1275,11 +1272,9 @@ bool Arrangement_zone_2<Arrangement, ZoneVisitor>::_zone_in_overlap() {
#endif
// Obtain some geometry-traits functors.
typename Traits_adaptor_2::Equal_2 equal = m_geom_traits->equal_2_object();
typename Traits_adaptor_2::Is_closed_2 is_closed =
m_geom_traits->is_closed_2_object();
typename Traits_adaptor_2::Construct_max_vertex_2 ctr_max_vertex =
m_geom_traits->construct_max_vertex_2_object();
auto equal = m_geom_traits->equal_2_object();
auto is_closed = m_geom_traits->is_closed_2_object();
auto ctr_max_vertex = m_geom_traits->construct_max_vertex_2_object();
// Check if the right end of m_overlap_cv is bounded. If so, compute its
// right endpoint.
@ -1365,8 +1360,13 @@ bool Arrangement_zone_2<Arrangement, ZoneVisitor>::_zone_in_overlap() {
// Set m_cv to be the remaining portion.
m_has_left_pt = true;
m_left_on_boundary = false;
m_left_pt = cv_right_pt;
auto psx = m_geom_traits->parameter_space_in_x_2_object();
auto psy = m_geom_traits->parameter_space_in_y_2_object();
auto ps_x = psx(m_left_pt);
auto ps_y = psy(m_left_pt);
m_left_on_boundary = (ps_x != ARR_INTERIOR || ps_y != ARR_INTERIOR);
m_cv = m_sub_cv2;
// Move to the remaining portion of the curve, whose left endpoint is the