mirror of https://github.com/CGAL/cgal
Merge pull request #6424 from GilesBathgate/Nef_3-cleanup_snc_intersection-GilesBathgate
Nef_3: Cleanup and performance improvements SNC_intersection
This commit is contained in:
commit
2067913940
|
|
@ -81,7 +81,6 @@ class Ray_hit_generator : public Modifier_base<typename Nef_::SNC_and_PL> {
|
|||
}
|
||||
|
||||
Point_3 ip;
|
||||
SNC_intersection I;
|
||||
SNC_constructor C(*sncp);
|
||||
|
||||
Halfedge_handle e;
|
||||
|
|
@ -89,7 +88,7 @@ class Ray_hit_generator : public Modifier_base<typename Nef_::SNC_and_PL> {
|
|||
CGAL_NEF_TRACEN( "Found edge " << e->source()->point()
|
||||
<< "->" << e->twin()->source()->point() );
|
||||
Segment_3 seg(e->source()->point(), e->twin()->source()->point());
|
||||
I.does_intersect_internally(r, seg, ip);
|
||||
SNC_intersection::does_intersect_internally(r, seg, ip);
|
||||
ip = normalized(ip);
|
||||
v = C.create_from_edge(e,ip);
|
||||
pl->add_vertex(v);
|
||||
|
|
@ -135,7 +134,7 @@ class Ray_hit_generator : public Modifier_base<typename Nef_::SNC_and_PL> {
|
|||
Halffacet_handle f;
|
||||
if(assign(f, o)) {
|
||||
CGAL_NEF_TRACEN( "Found facet " );
|
||||
I.does_intersect_internally(r, f, ip);
|
||||
SNC_intersection::does_intersect_internally(r, f, ip);
|
||||
ip = normalized(ip);
|
||||
v = C.create_from_facet(f,ip);
|
||||
pl->add_vertex(v);
|
||||
|
|
|
|||
|
|
@ -87,7 +87,6 @@ class Ray_hit_generator2 : public Modifier_base<typename Nef_::SNC_and_PL> {
|
|||
}
|
||||
|
||||
Point_3 ip;
|
||||
SNC_intersection I;
|
||||
SNC_constructor C(*sncp);
|
||||
|
||||
Halfedge_handle e;
|
||||
|
|
@ -95,7 +94,7 @@ class Ray_hit_generator2 : public Modifier_base<typename Nef_::SNC_and_PL> {
|
|||
CGAL_NEF_TRACEN("Found edge " << e->source()->point()
|
||||
<< "->" << e->twin()->source()->point());
|
||||
Segment_3 seg(e->source()->point(), e->twin()->source()->point());
|
||||
I.does_intersect_internally(r, seg, ip);
|
||||
SNC_intersection::does_intersect_internally(r, seg, ip);
|
||||
ip = normalized(ip);
|
||||
v = C.create_from_edge(e,ip);
|
||||
pl->add_vertex(v);
|
||||
|
|
@ -147,7 +146,7 @@ class Ray_hit_generator2 : public Modifier_base<typename Nef_::SNC_and_PL> {
|
|||
Halffacet_handle f;
|
||||
if(assign(f, o)) {
|
||||
CGAL_NEF_TRACEN("Found facet ");
|
||||
I.does_intersect_internally(r, f, ip);
|
||||
SNC_intersection::does_intersect_internally(r, f, ip);
|
||||
ip = normalized(ip);
|
||||
v = C.create_from_facet(f,ip);
|
||||
pl->add_vertex(v);
|
||||
|
|
|
|||
|
|
@ -901,9 +901,8 @@ public:
|
|||
++t2;
|
||||
if(t2 == segs2.end()) t2=segs2.begin();
|
||||
|
||||
SNC_intersection is;
|
||||
Point_3 ip;
|
||||
bool flag=is.does_intersect_internally(Segment_3(*s1,*t1),Segment_3(*s2,*t2),ip);
|
||||
bool flag = SNC_intersection::does_intersect_internally(Segment_3(*s1,*t1),Segment_3(*s2,*t2),ip);
|
||||
if(!flag) {
|
||||
if(*s1 == *s2) return normalized(*s1);
|
||||
else if(*s1 == *t2) return normalized(*s1);
|
||||
|
|
|
|||
|
|
@ -17,6 +17,7 @@
|
|||
|
||||
|
||||
#include <CGAL/basic.h>
|
||||
#include <CGAL/Circulator_project.h>
|
||||
|
||||
#undef CGAL_NEF_DEBUG
|
||||
#define CGAL_NEF_DEBUG 37
|
||||
|
|
@ -39,13 +40,10 @@ struct Project_shalfedge_point {
|
|||
};
|
||||
|
||||
template<typename SNC_structure_>
|
||||
class SNC_intersection : public SNC_const_decorator<SNC_structure_> {
|
||||
// TODO: granados: is it really necessary to inherit from the decorator?
|
||||
class SNC_intersection {
|
||||
|
||||
typedef SNC_structure_ SNC_structure;
|
||||
typedef SNC_intersection<SNC_structure> Self;
|
||||
typedef SNC_const_decorator<SNC_structure> Base;
|
||||
// typedef SNC_const_decorator<SNC_structure> SNC_const_decorator;
|
||||
|
||||
typedef typename SNC_structure::SHalfedge SHalfedge;
|
||||
typedef typename SNC_structure::Halfedge_handle Halfedge_handle;
|
||||
|
|
@ -58,108 +56,31 @@ class SNC_intersection : public SNC_const_decorator<SNC_structure_> {
|
|||
typedef typename SNC_structure::Halffacet_cycle_const_iterator
|
||||
Halffacet_cycle_const_iterator;
|
||||
|
||||
|
||||
typedef typename SNC_structure::Point_3 Point_3;
|
||||
typedef typename SNC_structure::Vector_3 Vector_3;
|
||||
typedef typename SNC_structure::Segment_3 Segment_3;
|
||||
typedef typename SNC_structure::Line_3 Line_3;
|
||||
typedef typename SNC_structure::Ray_3 Ray_3;
|
||||
typedef typename SNC_structure::Plane_3 Plane_3;
|
||||
typedef typename SNC_structure::Triangle_3 Triangle_3;
|
||||
|
||||
public:
|
||||
|
||||
SNC_intersection() : Base() {}
|
||||
SNC_intersection(const SNC_structure& W) : Base(W) {}
|
||||
|
||||
bool does_contain_internally(const Point_3& s, const Point_3& t, const Point_3& p) const {
|
||||
static bool does_contain_internally(const Point_3& s,
|
||||
const Point_3& t,
|
||||
const Point_3& p) {
|
||||
return are_strictly_ordered_along_line (s, p, t);
|
||||
}
|
||||
|
||||
bool does_contain_internally( Halffacet_const_handle f,
|
||||
const Point_3& p,
|
||||
bool check_has_on = true) const {
|
||||
if(check_has_on && !f->plane().has_on(p))
|
||||
static bool does_contain_internally(Halffacet_const_handle f,
|
||||
const Point_3& p) {
|
||||
if(!f->plane().has_on(p))
|
||||
return false;
|
||||
return (locate_point_in_halffacet( p, f) == CGAL::ON_BOUNDED_SIDE);
|
||||
return point_in_facet_interior( p, f);
|
||||
}
|
||||
|
||||
|
||||
bool does_contain_on_boundary( Halffacet_const_handle f, const Point_3& p) const {
|
||||
typedef Project_shalfedge_point
|
||||
< SHalfedge, const Point_3> Project;
|
||||
typedef Circulator_project
|
||||
< SHalfedge_around_facet_const_circulator, Project,
|
||||
const Point_3&, const Point_3*> Circulator;
|
||||
Halffacet_cycle_const_iterator fc = f->facet_cycles_begin();
|
||||
CGAL_assertion(fc.is_shalfedge());
|
||||
if (fc.is_shalfedge() ) {
|
||||
SHalfedge_const_handle se(fc);
|
||||
SHalfedge_around_facet_const_circulator hfc(se);
|
||||
Circulator c(hfc), cp(c), cend(c);
|
||||
do {
|
||||
c++;
|
||||
CGAL_NEF_TRACEN("contained on edge "<<Segment_3( *c, *cp)<<"? "<<
|
||||
Segment_3( *c, *cp).has_on(p));
|
||||
if( Segment_3( *c, *cp).has_on(p))
|
||||
return true;
|
||||
cp++;
|
||||
}
|
||||
while( c != cend);
|
||||
}
|
||||
Halffacet_cycle_const_iterator fe = f->facet_cycles_end();
|
||||
++fc;
|
||||
CGAL_For_all(fc, fe) {
|
||||
if (fc.is_shalfloop() ) {
|
||||
SHalfloop_const_handle l(fc);
|
||||
CGAL_NEF_TRACEN("isolated point on "<<l->incident_sface()->center_vertex()->point()<<"? ");
|
||||
if( l->incident_sface()->center_vertex()->point() == p)
|
||||
return true;
|
||||
}
|
||||
else if (fc.is_shalfedge() ) {
|
||||
SHalfedge_const_handle se(fc);
|
||||
SHalfedge_around_facet_const_circulator hfc(se);
|
||||
Circulator c(hfc), cp(c), cend(c);
|
||||
do {
|
||||
c++;
|
||||
CGAL_NEF_TRACEN("contained on edge "<<Segment_3( *c, *cp)<<"? "<<
|
||||
Segment_3( *c, *cp).has_on(p));
|
||||
if( Segment_3( *c, *cp).has_on(p))
|
||||
return true;
|
||||
cp++;
|
||||
}
|
||||
while( c != cend);
|
||||
}
|
||||
else
|
||||
CGAL_error_msg( "Damn wrong handle.");
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
#ifdef LINE3_LINE3_INTERSECTION
|
||||
|
||||
bool does_intersect_internally( const Segment_3& s1,
|
||||
const Segment_3& s2,
|
||||
Point_3& p) const {
|
||||
CGAL_NEF_TRACEN("does intersect internally with LINE3_LINE3_INTERSECTION");
|
||||
if ( s1.is_degenerate() || s2.is_degenerate())
|
||||
/* the segment is degenerate so there is not internal intersection */
|
||||
return false;
|
||||
if ( s1.has_on(s2.source()) || s1.has_on(s2.target()) ||
|
||||
s2.has_on(s1.source()) || s2.has_on(s1.target()))
|
||||
/* the segments does intersect at one endpoint */
|
||||
return false;
|
||||
Object o = intersection(Line_3(ray), Line_3(s));
|
||||
if ( !CGAL::assign(p, o))
|
||||
return false;
|
||||
return( does_contain_internally( s, p));
|
||||
}
|
||||
|
||||
#else // LINE3_LINE3_INTERSECTION
|
||||
|
||||
bool does_intersect_internally( const Segment_3& s1,
|
||||
const Segment_3& s2,
|
||||
Point_3& p) const {
|
||||
static bool does_intersect_internally(const Segment_3& s1,
|
||||
const Segment_3& s2,
|
||||
Point_3& p) {
|
||||
if(s2.has_on(s1.target()))
|
||||
return false;
|
||||
Ray_3 r(s1.source(), s1.target());
|
||||
|
|
@ -169,14 +90,10 @@ class SNC_intersection : public SNC_const_decorator<SNC_structure_> {
|
|||
return (pl.oriented_side(p) == CGAL::NEGATIVE);
|
||||
}
|
||||
|
||||
bool does_intersect_internally( const Ray_3& s1,
|
||||
const Segment_3& s2,
|
||||
Point_3& p) const {
|
||||
CGAL_NEF_TRACEN("does intersect internally without LINE3_LINE3_INTERSECTION");
|
||||
CGAL_assertion(!s1.is_degenerate());
|
||||
CGAL_assertion(!s2.is_degenerate());
|
||||
if ( orientation( s1.source(), s1.point(1), s2.source(), s2.target())
|
||||
!= COPLANAR)
|
||||
static bool does_intersect_internally(const Ray_3& s1,
|
||||
const Segment_3& s2,
|
||||
Point_3& p) {
|
||||
if (!coplanar( s1.source(), s1.point(1), s2.source(), s2.target()))
|
||||
// the segments doesn't define a plane
|
||||
return false;
|
||||
if ( s1.has_on(s2.source()) || s1.has_on(s2.target()) ||
|
||||
|
|
@ -190,7 +107,7 @@ class SNC_intersection : public SNC_const_decorator<SNC_structure_> {
|
|||
return false;
|
||||
Vector_3 vs1(s1.to_vector()), vs2(s2.to_vector()),
|
||||
vt(cross_product( vs1, vs2)),
|
||||
ws1(cross_product( vt, vs1)); // , ws2(cross_product( vt, vs2));
|
||||
ws1(cross_product( vt, vs1));
|
||||
Plane_3 hs1( s1.source(), ws1);
|
||||
Object o = intersection(hs1, ls2);
|
||||
CGAL_assertion(CGAL::assign( p, o));
|
||||
|
|
@ -207,73 +124,28 @@ class SNC_intersection : public SNC_const_decorator<SNC_structure_> {
|
|||
return (pl.oriented_side(p) == CGAL::NEGATIVE);
|
||||
}
|
||||
|
||||
#endif // LINE3_LINE3_INTERSECTION
|
||||
|
||||
bool does_intersect( const Ray_3& r, const Triangle_3& tr,
|
||||
Point_3& ip) const {
|
||||
// Intersection between an open ray and
|
||||
// a closed 2d-triangular region in the space
|
||||
CGAL_NEF_TRACEN("-> Intersection triangle - ray");
|
||||
CGAL_NEF_TRACEN(" -> Ray: "<<r);
|
||||
CGAL_NEF_TRACEN(" -> Triangle: "<<tr);
|
||||
CGAL_assertion( !r.is_degenerate());
|
||||
Plane_3 h( tr.supporting_plane());
|
||||
CGAL_assertion( !h.is_degenerate());
|
||||
if( h.has_on( r.source()))
|
||||
return false;
|
||||
Object o = intersection( h, r);
|
||||
if( !CGAL::assign( ip, o))
|
||||
return false;
|
||||
CGAL_NEF_TRACEN(" -> intersection point: "<<ip);
|
||||
return tr.has_on(ip);
|
||||
}
|
||||
|
||||
bool does_intersect( const Segment_3& s, const Triangle_3& tr,
|
||||
Point_3& ip) const {
|
||||
// Intersection between a open segment and
|
||||
// a closed 2d-triangular region in the space
|
||||
CGAL_NEF_TRACEN("-> Intersection triangle - segment");
|
||||
CGAL_NEF_TRACEN(" -> Segment: "<<s);
|
||||
CGAL_NEF_TRACEN(" -> Triangle: "<<tr);
|
||||
CGAL_assertion( !s.is_degenerate());
|
||||
Plane_3 h( tr.supporting_plane());
|
||||
CGAL_assertion( !h.is_degenerate());
|
||||
if( h.has_on( s.source()) || h.has_on( s.target()))
|
||||
return false;
|
||||
Object o = intersection( h, s);
|
||||
if( !CGAL::assign( ip, o))
|
||||
return false;
|
||||
CGAL_NEF_TRACEN(" -> intersection point: "<<ip);
|
||||
return tr.has_on(ip);
|
||||
}
|
||||
|
||||
bool does_intersect_internally( const Ray_3& ray,
|
||||
Halffacet_const_handle f,
|
||||
Point_3& p,
|
||||
bool checkHasOn = true) const {
|
||||
static bool does_intersect_internally(const Ray_3& ray,
|
||||
Halffacet_const_handle f,
|
||||
Point_3& p) {
|
||||
CGAL_NEF_TRACEN("-> Intersection facet - ray");
|
||||
Plane_3 h( f->plane());
|
||||
CGAL_NEF_TRACEN("-> facet's plane: " << h);
|
||||
CGAL_NEF_TRACEN("-> a point on the plane: " << h.point());
|
||||
CGAL_NEF_TRACEN("-> ray: " << ray);
|
||||
CGAL_assertion(!ray.is_degenerate());
|
||||
if(checkHasOn) {
|
||||
if(h.has_on(ray.source()))
|
||||
return false;
|
||||
} else
|
||||
CGAL_assertion(!h.has_on(ray.source()));
|
||||
if(h.has_on(ray.source()))
|
||||
return false;
|
||||
Object o = intersection( h, ray);
|
||||
if( !CGAL::assign( p, o))
|
||||
return false;
|
||||
CGAL_NEF_TRACEN( "-> intersection point: " << p );
|
||||
CGAL_NEF_TRACEN( "-> point in facet interior? "<<does_contain_internally( f, p));
|
||||
return does_contain_internally( f, p, false);
|
||||
CGAL_NEF_TRACEN( "-> point in facet interior? "<<point_in_facet_interior( f, p));
|
||||
return point_in_facet_interior( p, f);
|
||||
}
|
||||
|
||||
|
||||
bool does_intersect_internally( const Segment_3& seg,
|
||||
Halffacet_const_handle f,
|
||||
Point_3& p) const {
|
||||
static bool does_intersect_internally(const Segment_3& seg,
|
||||
Halffacet_const_handle f,
|
||||
Point_3& p) {
|
||||
CGAL_NEF_TRACEN("-> Intersection facet - segment");
|
||||
Plane_3 h( f->plane());
|
||||
CGAL_NEF_TRACEN("-> facet's plane: " << h);
|
||||
|
|
@ -283,24 +155,23 @@ class SNC_intersection : public SNC_const_decorator<SNC_structure_> {
|
|||
if( h.has_on( seg.source()) || h.has_on(seg.target()))
|
||||
/* no possible internal intersection */
|
||||
return false;
|
||||
return does_intersect(seg, f, p);
|
||||
}
|
||||
|
||||
bool does_intersect(const Segment_3& seg,
|
||||
Halffacet_const_handle f,
|
||||
Point_3& p) const {
|
||||
Plane_3 h( f->plane());
|
||||
Object o = intersection( h, seg);
|
||||
if( !CGAL::assign( p, o))
|
||||
return false;
|
||||
CGAL_NEF_TRACEN( "-> intersection point: " << p );
|
||||
CGAL_NEF_TRACEN( "-> point in facet interior? "<<does_contain_internally( f, p));
|
||||
return( does_contain_internally( f, p, false));
|
||||
CGAL_NEF_TRACEN( "-> point in facet interior? "<<point_in_facet_interior( f, p));
|
||||
return point_in_facet_interior( p, f);
|
||||
}
|
||||
|
||||
private:
|
||||
|
||||
Bounded_side locate_point_in_halffacet( const Point_3& p,
|
||||
Halffacet_const_handle f) const {
|
||||
static bool point_in_facet_interior(const Point_3& p,
|
||||
Halffacet_const_handle f) {
|
||||
return (locate_point_in_halffacet( p, f) == CGAL::ON_BOUNDED_SIDE);
|
||||
}
|
||||
|
||||
static Bounded_side locate_point_in_halffacet(const Point_3& p,
|
||||
Halffacet_const_handle f) {
|
||||
CGAL_NEF_TRACEN("locate point in halffacet " << p << ", " << f->plane());
|
||||
typedef Project_shalfedge_point
|
||||
< SHalfedge, const Point_3> Project;
|
||||
|
|
|
|||
|
|
@ -250,8 +250,8 @@ public:
|
|||
else if( CGAL::assign( e, *o) && ((mask&2) != 0)) {
|
||||
Point_3 q;
|
||||
_CGAL_NEF_TRACEN("trying edge on "<< Segment_3(e->source()->point(),e->twin()->source()->point()));
|
||||
if( is.does_intersect_internally( ray, Segment_3(e->source()->point(),
|
||||
e->twin()->source()->point()), q)) {
|
||||
if( SNC_intersection::does_intersect_internally( ray, Segment_3(e->source()->point(),
|
||||
e->twin()->source()->point()), q)) {
|
||||
_CGAL_NEF_TRACEN("ray intersects edge on "<<q);
|
||||
_CGAL_NEF_TRACEN("prev. intersection? "<<hit);
|
||||
CGAL_assertion_code
|
||||
|
|
@ -272,7 +272,7 @@ public:
|
|||
Point_3 q;
|
||||
_CGAL_NEF_TRACEN("trying facet with on plane "<<f->plane()<<
|
||||
" with point on "<<f->plane().point());
|
||||
if( is.does_intersect_internally( ray, f, q, true) ) {
|
||||
if( SNC_intersection::does_intersect_internally( ray, f, q) ) {
|
||||
_CGAL_NEF_TRACEN("ray intersects facet on "<<q);
|
||||
_CGAL_NEF_TRACEN("prev. intersection? "<<hit);
|
||||
if( hit) { _CGAL_NEF_TRACEN("prev. intersection on "<<eor); }
|
||||
|
|
@ -319,14 +319,14 @@ public:
|
|||
}
|
||||
}
|
||||
else if( CGAL::assign( e, *o)) {
|
||||
if ( is.does_contain_internally(e->source()->point(), e->twin()->source()->point(), p) ) {
|
||||
if ( SNC_intersection::does_contain_internally(e->source()->point(), e->twin()->source()->point(), p) ) {
|
||||
_CGAL_NEF_TRACEN("found on edge "<<Segment_3(e->source()->point(),e->twin()->source()->point()));
|
||||
result = make_object(e);
|
||||
found = true;
|
||||
}
|
||||
}
|
||||
else if( CGAL::assign( f, *o)) {
|
||||
if (is.does_contain_internally( f, p) ) {
|
||||
if (SNC_intersection::does_contain_internally( f, p) ) {
|
||||
_CGAL_NEF_TRACEN("found on facet...");
|
||||
result = make_object(f);
|
||||
found = true;
|
||||
|
|
@ -415,11 +415,11 @@ public:
|
|||
// (e->source() == v || e->twin()->source() == v)) continue;
|
||||
Segment_3 ss(e->source()->point(),e->twin()->source()->point());
|
||||
CGAL_NEF_TRACEN("test edge " << e->source()->point() << "->" << e->twin()->source()->point());
|
||||
if (is.does_contain_internally(e->source()->point(), e->twin()->source()->point(), p)) {
|
||||
if (SNC_intersection::does_contain_internally(e->source()->point(), e->twin()->source()->point(), p)) {
|
||||
_CGAL_NEF_TRACEN("found on edge "<< ss);
|
||||
return make_object(e);
|
||||
}
|
||||
if((e->source() != v) && (e->twin()->source() != v) && is.does_intersect_internally(s, ss, ip)) {
|
||||
if((e->source() != v) && (e->twin()->source() != v) && SNC_intersection::does_intersect_internally(s, ss, ip)) {
|
||||
// first = false;
|
||||
s = Segment_3(p, normalized(ip));
|
||||
result = make_object(e);
|
||||
|
|
@ -428,7 +428,7 @@ public:
|
|||
} else
|
||||
if( CGAL::assign( f, *o)) {
|
||||
CGAL_NEF_TRACEN("test facet " << f->plane());
|
||||
if (is.does_contain_internally(f,p) ) {
|
||||
if (SNC_intersection::does_contain_internally(f,p) ) {
|
||||
_CGAL_NEF_TRACEN("found on facet...");
|
||||
return make_object(f);
|
||||
}
|
||||
|
|
@ -449,7 +449,7 @@ public:
|
|||
}
|
||||
|
||||
|
||||
if( (! v_vertex_of_f) && is.does_intersect_internally(s,f,ip) ) {
|
||||
if( (! v_vertex_of_f) && SNC_intersection::does_intersect_internally(s,f,ip) ) {
|
||||
s = Segment_3(p, normalized(ip));
|
||||
result = make_object(f);
|
||||
}
|
||||
|
|
@ -461,13 +461,13 @@ public:
|
|||
/*
|
||||
Halffacet_iterator fc;
|
||||
CGAL_forall_facets(fc, *this->sncp()) {
|
||||
CGAL_assertion(!is.does_intersect_internally(s,f,ip));
|
||||
CGAL_assertion(!SNC_intersection::does_intersect_internally(s,f,ip));
|
||||
}
|
||||
|
||||
Halfedge_iterator ec;
|
||||
CGAL_forall_edges(ec, *this->sncp()) {
|
||||
Segment_3 ss(ec->source()->point(), ec->twin()->source()->point());
|
||||
CGAL_assertion(!is.does_intersect_internally(s,ss,ip));
|
||||
CGAL_assertion(!SNC_intersection::does_intersect_internally(s,ss,ip));
|
||||
}
|
||||
|
||||
Vertex_iterator vc;
|
||||
|
|
@ -495,7 +495,7 @@ public:
|
|||
for(;ox!=candidates.end();++ox) {
|
||||
if(!CGAL::assign(e,*ox)) continue;
|
||||
CGAL_NEF_TRACEN("test edge " << e->source()->point() << "->" << e->twin()->source()->point());
|
||||
if(is.does_intersect_internally(s,Segment_3(e->source()->point(),e->twin()->source()->point()),ip)) {
|
||||
if(SNC_intersection::does_intersect_internally(s,Segment_3(e->source()->point(),e->twin()->source()->point()),ip)) {
|
||||
s = Segment_3(p, normalized(ip));
|
||||
result = make_object(e);
|
||||
}
|
||||
|
|
@ -551,8 +551,8 @@ public:
|
|||
#endif
|
||||
|
||||
Point_3 q;
|
||||
if( is.does_intersect_internally( s, Segment_3(e->source()->point(),
|
||||
e->twin()->source()->point()), q)) {
|
||||
if( SNC_intersection::does_intersect_internally( s, Segment_3(e->source()->point(),
|
||||
e->twin()->source()->point()), q)) {
|
||||
q = normalized(q);
|
||||
call_back( e0, make_object(Halfedge_handle(e)), q);
|
||||
_CGAL_NEF_TRACEN("edge intersects edge "<<' '<<&*e<< Segment_3(e->source()->point(),
|
||||
|
|
@ -565,7 +565,7 @@ public:
|
|||
#endif
|
||||
|
||||
Point_3 q;
|
||||
if( is.does_intersect_internally( s, f, q) ) {
|
||||
if( SNC_intersection::does_intersect_internally( s, f, q) ) {
|
||||
q = normalized(q);
|
||||
call_back( e0, make_object(Halffacet_handle(f)), q);
|
||||
_CGAL_NEF_TRACEN("edge intersects facet on plane "<<f->plane()<<" on "<<q);
|
||||
|
|
@ -600,8 +600,8 @@ public:
|
|||
#endif
|
||||
|
||||
Point_3 q;
|
||||
if( is.does_intersect_internally( s, Segment_3(e->source()->point(),
|
||||
e->twin()->source()->point()), q)) {
|
||||
if( SNC_intersection::does_intersect_internally( s, Segment_3(e->source()->point(),
|
||||
e->twin()->source()->point()), q)) {
|
||||
q = normalized(q);
|
||||
call_back( e0, make_object(Halfedge_handle(e)), q);
|
||||
_CGAL_NEF_TRACEN("edge intersects edge "<<' '<<&*e<< Segment_3(e->source()->point(),
|
||||
|
|
@ -643,7 +643,7 @@ public:
|
|||
#endif
|
||||
|
||||
Point_3 q;
|
||||
if( is.does_intersect_internally( s, f, q) ) {
|
||||
if( SNC_intersection::does_intersect_internally( s, f, q) ) {
|
||||
q = normalized(q);
|
||||
call_back( e0, make_object(Halffacet_handle(f)), q);
|
||||
_CGAL_NEF_TRACEN("edge intersects facet on plane "<<f->plane()<<" on "<<q);
|
||||
|
|
@ -705,7 +705,6 @@ public:
|
|||
private:
|
||||
bool initialized;
|
||||
SNC_candidate_provider* candidate_provider;
|
||||
SNC_intersection is;
|
||||
};
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -39,7 +39,6 @@ struct binop_intersection_test_segment_tree {
|
|||
|
||||
template<class Callback>
|
||||
struct Bop_edge0_face1_callback {
|
||||
SNC_intersection &is;
|
||||
Callback &cb;
|
||||
|
||||
struct Pair_hash_function {
|
||||
|
|
@ -57,8 +56,8 @@ struct binop_intersection_test_segment_tree {
|
|||
}
|
||||
};
|
||||
|
||||
Bop_edge0_face1_callback(SNC_intersection &is, Callback &cb)
|
||||
: is(is), cb(cb)
|
||||
Bop_edge0_face1_callback(Callback &cb)
|
||||
: cb(cb)
|
||||
{}
|
||||
|
||||
void operator()( Nef_box& box0, Nef_box& box1 ) {
|
||||
|
|
@ -71,7 +70,7 @@ struct binop_intersection_test_segment_tree {
|
|||
if( Infi_box::degree( f1->plane().d() ) > 0 )
|
||||
return;
|
||||
Point_3 ip;
|
||||
if( is.does_intersect_internally( Const_decorator::segment(e0), f1, ip )) {
|
||||
if( SNC_intersection::does_intersect_internally( Const_decorator::segment(e0), f1, ip )) {
|
||||
cb(e0,make_object(f1),ip);
|
||||
}
|
||||
}
|
||||
|
|
@ -80,11 +79,10 @@ struct binop_intersection_test_segment_tree {
|
|||
|
||||
template<class Callback>
|
||||
struct Bop_edge1_face0_callback {
|
||||
SNC_intersection &is;
|
||||
Callback &cb;
|
||||
|
||||
Bop_edge1_face0_callback(SNC_intersection &is, Callback &cb)
|
||||
: is(is), cb(cb)
|
||||
Bop_edge1_face0_callback(Callback &cb)
|
||||
: cb(cb)
|
||||
{}
|
||||
|
||||
void operator()( Nef_box& box0, Nef_box& box1 ) {
|
||||
|
|
@ -97,19 +95,18 @@ struct binop_intersection_test_segment_tree {
|
|||
if( Infi_box::degree( f0->plane().d() ) > 0 )
|
||||
return;
|
||||
Point_3 ip;
|
||||
if( is.does_intersect_internally( Const_decorator::segment( e1 ),
|
||||
f0, ip ) )
|
||||
if( SNC_intersection::does_intersect_internally( Const_decorator::segment( e1 ),
|
||||
f0, ip ) )
|
||||
cb(e1,make_object(f0),ip);
|
||||
}
|
||||
};
|
||||
|
||||
template<class Callback>
|
||||
struct Bop_edge0_edge1_callback {
|
||||
SNC_intersection &is;
|
||||
Callback &cb;
|
||||
|
||||
Bop_edge0_edge1_callback(SNC_intersection &is, Callback &cb)
|
||||
: is(is), cb(cb)
|
||||
Bop_edge0_edge1_callback(Callback &cb)
|
||||
: cb(cb)
|
||||
{}
|
||||
|
||||
void operator()( Nef_box& box0, Nef_box& box1 ) {
|
||||
|
|
@ -120,8 +117,8 @@ struct binop_intersection_test_segment_tree {
|
|||
Halfedge_iterator e0 = box0.get_halfedge();
|
||||
Halfedge_iterator e1 = box1.get_halfedge();
|
||||
Point_3 ip;
|
||||
if( is.does_intersect_internally( Const_decorator::segment( e0 ),
|
||||
Const_decorator::segment( e1 ), ip ))
|
||||
if( SNC_intersection::does_intersect_internally( Const_decorator::segment( e0 ),
|
||||
Const_decorator::segment( e1 ), ip ))
|
||||
cb(e0,make_object(e1),ip);
|
||||
}
|
||||
};
|
||||
|
|
@ -135,10 +132,9 @@ struct binop_intersection_test_segment_tree {
|
|||
Halfedge_iterator e0, e1;
|
||||
Halffacet_iterator f0, f1;
|
||||
std::vector<Nef_box> a, b;
|
||||
SNC_intersection is( sncp );
|
||||
|
||||
CGAL_NEF_TRACEN("start edge0 edge1");
|
||||
Bop_edge0_edge1_callback<Callback> callback_edge0_edge1( is, cb0 );
|
||||
Bop_edge0_edge1_callback<Callback> callback_edge0_edge1( cb0 );
|
||||
CGAL_forall_edges( e0, sncp) a.push_back( Nef_box( e0 ) );
|
||||
CGAL_forall_edges( e1, snc1i) b.push_back( Nef_box( e1 ) );
|
||||
#ifdef CGAL_NEF3_BOX_INTERSECTION_CUTOFF
|
||||
|
|
@ -153,7 +149,7 @@ struct binop_intersection_test_segment_tree {
|
|||
b.clear();
|
||||
|
||||
CGAL_NEF_TRACEN("start edge0 face1");
|
||||
Bop_edge0_face1_callback<Callback> callback_edge0_face1( is, cb0 );
|
||||
Bop_edge0_face1_callback<Callback> callback_edge0_face1( cb0 );
|
||||
CGAL_forall_edges( e0, sncp ) a.push_back( Nef_box( e0 ) );
|
||||
CGAL_forall_facets( f1, snc1i) b.push_back( Nef_box( f1 ) );
|
||||
#ifdef CGAL_NEF3_BOX_INTERSECTION_CUTOFF
|
||||
|
|
@ -168,7 +164,7 @@ struct binop_intersection_test_segment_tree {
|
|||
b.clear();
|
||||
|
||||
CGAL_NEF_TRACEN("start edge1 face0");
|
||||
Bop_edge1_face0_callback<Callback> callback_edge1_face0( is, cb1 );
|
||||
Bop_edge1_face0_callback<Callback> callback_edge1_face0( cb1 );
|
||||
CGAL_forall_edges( e1, snc1i) a.push_back( Nef_box( e1 ) );
|
||||
CGAL_forall_facets( f0, sncp ) b.push_back( Nef_box( f0 ) );
|
||||
#ifdef CGAL_NEF3_BOX_INTERSECTION_CUTOFF
|
||||
|
|
|
|||
|
|
@ -499,112 +499,111 @@ private:
|
|||
|
||||
if(Infi_box::standard_kernel()) {
|
||||
Nef_polyhedron N = load_nef3("star.nef3.SH");
|
||||
SNC_intersection is(*N.sncp());
|
||||
|
||||
Point_3 p;
|
||||
|
||||
assert(!is.does_contain_internally(
|
||||
assert(!SNC_intersection::does_contain_internally(
|
||||
Point_3(0,0,0), Point_3(2,0,0),
|
||||
Point_3(0,0,0)));
|
||||
assert(!is.does_contain_internally(
|
||||
assert(!SNC_intersection::does_contain_internally(
|
||||
Point_3(0,0,0), Point_3(2,0,0),
|
||||
Point_3(2,0,0)));
|
||||
assert(!is.does_contain_internally(
|
||||
assert(!SNC_intersection::does_contain_internally(
|
||||
Point_3(0,0,0), Point_3(2,0,0),
|
||||
Point_3(3,0,0)));
|
||||
assert(!is.does_contain_internally(
|
||||
assert(!SNC_intersection::does_contain_internally(
|
||||
Point_3(0,0,0), Point_3(2,0,0),
|
||||
Point_3(-1,0,0)));
|
||||
assert(!is.does_contain_internally(
|
||||
assert(!SNC_intersection::does_contain_internally(
|
||||
Point_3(0,0,0), Point_3(2,0,0),
|
||||
Point_3(1,1,0)));
|
||||
assert(!is.does_contain_internally(
|
||||
assert(!SNC_intersection::does_contain_internally(
|
||||
Point_3(0,0,0), Point_3(2,0,0),
|
||||
Point_3(7,25,11)));
|
||||
assert(is.does_contain_internally(
|
||||
assert(SNC_intersection::does_contain_internally(
|
||||
Point_3(0,0,0), Point_3(2,0,0),
|
||||
Point_3(1,0,0)));
|
||||
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,-1,0)),
|
||||
Segment_3(Point_3(0,0,0), Point_3(-1,0,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,-1,0)),
|
||||
Segment_3(Point_3(1,0,0), Point_3(0,0,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,-1,1)),
|
||||
Segment_3(Point_3(1,0,0), Point_3(-1,0,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,-1,0)),
|
||||
Segment_3(Point_3(0,2,0), Point_3(0,0,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,-1,0)),
|
||||
Segment_3(Point_3(0,3,0), Point_3(0,1,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,-1,0)),
|
||||
Segment_3(Point_3(0,4,0), Point_3(0,2,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,-1,0)),
|
||||
Segment_3(Point_3(1,5,0), Point_3(1,7,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,-1,0)),
|
||||
Segment_3(Point_3(1,7,0), Point_3(1,5,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,-1,0)),
|
||||
Segment_3(Point_3(3,0,0), Point_3(1,0,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,-1,0)),
|
||||
Segment_3(Point_3(1,0,0), Point_3(3,0,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,3,0), Point_3(0,1,0)),
|
||||
Segment_3(Point_3(1,0,0), Point_3(-1,0,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,3,0)),
|
||||
Segment_3(Point_3(1,0,0), Point_3(-1,0,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,3,0), Point_3(0,1,0)),
|
||||
Segment_3(Point_3(1,0,0), Point_3(3,0,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,3,0)),
|
||||
Segment_3(Point_3(1,0,0), Point_3(3,0,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,3,0), Point_3(0,1,0)),
|
||||
Segment_3(Point_3(3,0,0), Point_3(1,0,0)), p));
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,3,0)),
|
||||
Segment_3(Point_3(3,0,0), Point_3(1,0,0)), p));
|
||||
assert(is.does_intersect_internally(
|
||||
assert(SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,1,0), Point_3(0,-1,0)),
|
||||
Segment_3(Point_3(1,0,0), Point_3(-1,0,0)), p));
|
||||
assert(p == Point_3(0,0,0));
|
||||
|
||||
Halffacet_const_iterator hf;
|
||||
|
||||
assert(!is.does_contain_internally(
|
||||
assert(!SNC_intersection::does_contain_internally(
|
||||
N.halffacets_begin(), Point_3(0,0,0)));
|
||||
CGAL_forall_halffacets(hf, N)
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(-31,15,0),Point_3(-31,15,1)),hf,p));
|
||||
CGAL_forall_halffacets(hf, N)
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(-31,15,-1),Point_3(-31,15,0)),hf,p));
|
||||
CGAL_forall_halffacets(hf, N)
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(-31,15,0),Point_3(-30,15,0)),hf,p));
|
||||
CGAL_forall_halffacets(hf, N)
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(-32,15,-1),Point_3(-32,15,0)),hf,p));
|
||||
CGAL_forall_halffacets(hf, N)
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(-16,8,-1),Point_3(-16,8,0)),hf,p));
|
||||
CGAL_forall_halffacets(hf, N)
|
||||
assert(!is.does_intersect_internally(
|
||||
assert(!SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(0,0,-1),Point_3(0,0,1)),hf,p));
|
||||
|
||||
int i=0;
|
||||
CGAL_forall_halffacets(hf, N) {
|
||||
bool b = (i == 13 || i == 15);
|
||||
assert( b == is.does_intersect_internally(
|
||||
assert( b == SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(-31,15,-1),Point_3(-31,15,1)),
|
||||
hf, p));
|
||||
if(b) assert(p == Point_3(-31,15,0));
|
||||
|
|
@ -614,7 +613,7 @@ private:
|
|||
i=0;
|
||||
CGAL_forall_halffacets(hf, N) {
|
||||
bool b = (i == 14 || i == 16);
|
||||
assert( b == is.does_intersect_internally(
|
||||
assert( b == SNC_intersection::does_intersect_internally(
|
||||
Segment_3(Point_3(-15,7,-1), Point_3(-15,7,1)),
|
||||
hf, p));
|
||||
if(b) assert(p == Point_3(-15,7,0));
|
||||
|
|
|
|||
Loading…
Reference in New Issue