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Commit 0dce6596 authored by JasonPries's avatar JasonPries
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Update of Mesh functions 

Work required before changing Mesh::Edges from type std::vector<Edge*> to std::Vector<Edge>
parent 548b3918
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src/Mesh/src/Edge.h
View file @ 0dce6596
......@@ -11,6 +11,8 @@ public:
Edge() : Node(SIZE_MAX), Self(SIZE_MAX), Next(SIZE_MAX), Twin(SIZE_MAX), Prev(SIZE_MAX), ConstraintCurve(nullptr), Orientation(true), Mark(false) {};
Edge(size_t s) : Node(SIZE_MAX), Self(s), Next(SIZE_MAX), Twin(SIZE_MAX), Prev(SIZE_MAX), ConstraintCurve(nullptr), Orientation(true), Mark(false) {};
Edge(size_t n, size_t s, Edge &nx, Edge &pr, Edge &tw) : Node(n), Self(s), Next(nx.Self), Twin(tw.Self), Prev(pr.Self), ConstraintCurve(nullptr), Orientation(true), Mark(false) {};
Edge(size_t n, size_t s, Curve *c, bool d) : Node(n), Self(s), Next(SIZE_MAX), Twin(SIZE_MAX), Prev(SIZE_MAX), ConstraintCurve(c), Orientation(d), Mark(false) {};
......@@ -43,6 +45,8 @@ public:
bool is_constrained() const { return (ConstraintCurve != nullptr); };
bool is_not_constrained() const { return (ConstraintCurve == nullptr); };
protected:
size_t Node; //Point at start of this edge
size_t Self; //This edge in this triangle
......
src/Mesh/src/Mesh.cpp
View file @ 0dce6596
This diff is collapsed.
src/Mesh/src/Mesh.h
View file @ 0dce6596
......@@ -25,35 +25,37 @@ public:
Mesh(Sketch &s);
bool are_intersecting(Edge const *e0, Edge const *e1) const;
bool are_intersecting(size_t ei, size_t ej) const;
bool edges_are_valid() const;
bool in_triangle(Point const p, Edge const *e) const;
bool in_triangle(Point const p, size_t ei) const;
bool is_encroached(Edge const *e, Point const p) const;
bool is_constrained(size_t ei) const { return Edges[ei]->is_constrained(); };
bool is_locally_optimal(Edge const *e) const;
bool is_encroached(Point const p, size_t ei) const;
bool is_protruding(Edge const *e) const;
bool is_locally_optimal(size_t ei) const;
bool is_valid(Edge const *e) const;
bool is_protruding(size_t ei) const;
bool is_valid(size_t ei) const;
bool orientation(size_t ei) const { return Edges[ei]->Orientation; };
bool refine();
bool refine_once();
double circumradius(Edge const *e) const;
double circumradius(size_t ei) const;
double length(Edge const *e) const;
double length(size_t ei) const;
double shortest_edge_length(Edge const *e) const;
double shortest_edge_length(size_t ei) const;
size_t size_points() const { return Points.size(); };
size_t size_edges() const { return Edges.size(); };
size_t next(size_t ei) const { return Edges[ei]->Next; };
size_t size_triangles() const { return Triangles.size(); };
size_t node(size_t ei) const { return Edges[ei]->Node; };
size_t node(Edge const *e) const { return e->Node; };
......@@ -63,22 +65,38 @@ public:
size_t num_triangles() const { return Triangles.size(); };
size_t prev(size_t ei) const { return Edges[ei]->Prev; };
size_t size_points() const { return Points.size(); };
size_t size_edges() const { return Edges.size(); };
size_t size_triangles() const { return Triangles.size(); };
size_t twin(size_t ei) const { return Edges[ei]->Twin; };
void create();
void delete_me(); // TODO: refactor to non-pointer version
void save_as(std::string path, std::string file_name) const;
Point circumcenter(Edge const *e) const;
Curve const *constraint_curve(size_t ei) const { return Edges[ei]->ConstraintCurve; };
Point circumcenter(size_t ei) const;
Point const base(Edge const *e) const { return Points[e->Node]; };
Point const base(size_t ei) const { return Points[node(ei)]; };
Point const point(size_t i) const { return Points[i]; };
Point const point(Edge const *e) const { return Points[e->Node]; };
Point const tip(Edge const *e) const { return Points[next(e)->Node]; };
Point const tip(size_t ei) const { return Points[node(next(ei))]; };
Edge const *edge(size_t i) const { return Edges[i]; };
Edge const *next(Edge const *e) const { return Edges[e->Next]; };
......@@ -93,16 +111,17 @@ public:
Edge *&twin(Edge *e) { return Edges[e->Twin]; };
Edge const *triangle(size_t i) const { return Triangles[i]; };
Edge const *triangle(size_t i) const { return Edges[Triangles[i]]; };
LocateTriangleResult locate_triangle(Point const p, Edge const *&e) const;
LocateTriangleResult locate_triangle(Point const p, size_t &ei) const;
LocateTriangleResult locate_triangle(Point const p) const {
Edge const *e = Edges.back();
return locate_triangle(p, e);
//Edge const *e = Edges.back();
size_t ei = Edges.size() - 1;
return locate_triangle(p, ei);
};
InsertPointResult insert_point(Point const p) { return insert_point(p, Edges.back()); };
InsertPointResult insert_point(Point const p) { return insert_point(p, Edges.size() - 1); };
protected:
Contour const *Boundary;
......@@ -110,23 +129,28 @@ protected:
std::vector<Contour const *> Contours;
std::vector<Point> Points;
std::vector<Edge *> Edges;
std::vector<Edge *> Triangles;
std::vector<size_t> Triangles;
private:
bool find_attached(Edge *&e_out, Point const p);
bool find_attached(Point const p, size_t &ei);
bool recursive_swap(Edge *e);
bool recursive_swap(size_t ei);
bool swap(Edge *&e0);
bool swap(size_t ei);
void add_edge(Edge *&e) {
e->Self = Edges.size();
Edges.push_back(e);
};
Edge *&new_edge() {
Edges.push_back(new Edge(Edges.size()));
return Edges.back();
}
Edge *&new_edge(size_t p, Curve *c, bool dir) {
Edges.push_back(new Edge(p, Edges.size(), c, dir));
return Edges.back();
}
void create_boundary_polygon();
void element_quality(std::vector<Edge *> &triangle, std::vector<double> &radii, std::vector<double> &quality);
void element_quality(std::vector<double> &radii, std::vector<double> &quality);
void get_triangles();
......@@ -140,19 +164,17 @@ private:
void sort_permutation_descending(std::vector<double> &values, std::vector<size_t> &index) const;
void split_edge(Edge *e);
void split_edge(size_t ei);
void split_encroached_edges();
void triangulate_boundary_polygon();
LocateTriangleResult locate_triangle(Point const p, Edge *&e) const;
InsertPointResult insert_circumcenter(Edge *e);
InsertPointResult insert_circumcenter(size_t ei);
InsertPointResult insert_point(Point const p, Edge *e);
InsertPointResult insert_point(Point const p, size_t ei);
InsertPointResult insert_midpoint(Edge *e);
InsertPointResult insert_midpoint(size_t ei);
};
#endif //OERSTED_MESH_H
test/Mesh/test_Mesh.cpp
View file @ 0dce6596
......@@ -69,11 +69,11 @@ TEST(Mesh, create__triangle_domain) {
{ // Test triangles
const Edge *e = m.triangle(0);
Point cc = m.circumcenter(e);
Point cc = m.circumcenter(e->self());
EXPECT_NEAR(0.0, cc.X, TOL);
EXPECT_NEAR(sqrt(3.0) / 3.0, cc.Y, TOL);
double cr = m.circumradius(e);
double cr = m.circumradius(e->self());
EXPECT_NEAR(2.0 * sqrt(3.0) / 3.0, cr, TOL);
}
......@@ -155,7 +155,7 @@ TEST(Mesh, create__square_domain) {
// Test triangles
{
for (size_t i = 0; i < m.size_triangles(); ++i) {
Point cc = m.circumcenter(m.triangle(0));
Point cc = m.circumcenter(m.triangle(0)->self());
EXPECT_NEAR(0.5, cc.X, TOL);
EXPECT_NEAR(0.5, cc.Y, TOL);
}
......@@ -226,8 +226,8 @@ TEST(Mesh, create__narrow_diamond_domain) {
// Test triangle circumcenters
{
Point cc0 = m.circumcenter(m.triangle(0)); // TODO: Write m.circumcenter(size_t)
Point cc1 = m.circumcenter(m.triangle(1));
Point cc0 = m.circumcenter(m.triangle(0)->self()); // TODO: Write m.circumcenter(size_t)
Point cc1 = m.circumcenter(m.triangle(1)->self());
EXPECT_NEAR(0.0, cc0.X, TOL);
EXPECT_NEAR(0.75, std::abs(cc0.Y), TOL);
......@@ -744,21 +744,26 @@ TEST(Mesh, locate_triangle__triangular_domain) {
std::vector<size_t> vmap = map_verticies_to_points({v0, v1, v2}, mesh);
for (size_t i = 0; i < mesh.size_edges(); ++i) {
Edge const *e = mesh.edge(i);
Point vp = vi;
Edge const *e;
Point vp;
size_t loc = i;
EXPECT_TRUE(mesh.locate_triangle(vp, e) == LocateTriangleResult::Interior);
vp = vi;
EXPECT_TRUE(mesh.locate_triangle(vp, loc) == LocateTriangleResult::Interior);
vp = ve0;
EXPECT_TRUE(mesh.locate_triangle(vp, e) == LocateTriangleResult::Exterior);
EXPECT_TRUE(mesh.locate_triangle(vp, loc) == LocateTriangleResult::Exterior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[0])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[1])));
vp = ve1;
EXPECT_TRUE(mesh.locate_triangle(vp, e) == LocateTriangleResult::Exterior);
EXPECT_TRUE(mesh.locate_triangle(vp, loc) == LocateTriangleResult::Exterior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[1])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[2])));
vp = ve2;
EXPECT_TRUE(mesh.locate_triangle(vp, e) == LocateTriangleResult::Exterior);
EXPECT_TRUE(mesh.locate_triangle(vp, loc) == LocateTriangleResult::Exterior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[2])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[0])));
}
......@@ -767,20 +772,24 @@ TEST(Mesh, locate_triangle__triangular_domain) {
ve1 = {1.5 + DBL_EPSILON, sqrt(3.0) / 2.0 + DBL_EPSILON};
ve2 = {0.5 - DBL_EPSILON, sqrt(3.0) / 2.0 + DBL_EPSILON};
for (size_t i = 0; i < mesh.size_edges(); ++i) {
Edge const *e = mesh.edge(i);
for (size_t i = 0; i != mesh.size_edges(); ++i) {
Edge const *e;
Point vp;
size_t loc = i;
vp = ve0;
EXPECT_TRUE(mesh.locate_triangle(vp, e) == LocateTriangleResult::Interior);
EXPECT_TRUE(mesh.locate_triangle(vp, loc) == LocateTriangleResult::Interior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[0])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[1])));
vp = ve1;
EXPECT_TRUE(mesh.locate_triangle(vp, e) == LocateTriangleResult::Interior);
EXPECT_TRUE(mesh.locate_triangle(vp, loc) == LocateTriangleResult::Interior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[1])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[2])));
vp = ve2;
EXPECT_TRUE(mesh.locate_triangle(vp, e) == LocateTriangleResult::Interior);
EXPECT_TRUE(mesh.locate_triangle(vp, loc) == LocateTriangleResult::Interior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[2])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[0])));
}
}
......@@ -816,14 +825,15 @@ TEST(Mesh, locate_triange__square_domain) {
Point vi0{0.25, 0.25};
Point vi1{0.75, 0.75};
for (size_t i = 0; i < mesh.size_edges(); ++i) {
Edge const *e = mesh.edge(i);
//Edge const *e;
Point vp;
size_t loc = i;
vp = vi0;
EXPECT_TRUE(mesh.locate_triangle(vp, e) == LocateTriangleResult::Interior);
EXPECT_TRUE(mesh.locate_triangle(vp, loc) == LocateTriangleResult::Interior);
vp = vi1;
EXPECT_TRUE(mesh.locate_triangle(vp, e) == LocateTriangleResult::Interior);
EXPECT_TRUE(mesh.locate_triangle(vp, loc) == LocateTriangleResult::Interior);
}
// Exterior Points
......@@ -834,23 +844,28 @@ TEST(Mesh, locate_triange__square_domain) {
Point ve2{0.5, 2.0};
Point ve3{-1.0, 0.5};
for (size_t i = 0; i < mesh.size_edges(); ++i) {
Edge const *e = mesh.edge(i);
Edge const *e;
Point vp;
size_t loc = i;
vp = ve0;
EXPECT_TRUE(mesh.locate_triangle(vp, e) == LocateTriangleResult::Exterior);
EXPECT_TRUE(mesh.locate_triangle(vp,loc) == LocateTriangleResult::Exterior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[0])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[1])));
vp = ve1;
EXPECT_TRUE(mesh.locate_triangle(vp, e) == LocateTriangleResult::Exterior);
EXPECT_TRUE(mesh.locate_triangle(vp,loc) == LocateTriangleResult::Exterior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[1])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[2])));
vp = ve2;
EXPECT_TRUE(mesh.locate_triangle(vp, e) == LocateTriangleResult::Exterior);
EXPECT_TRUE(mesh.locate_triangle(vp,loc) == LocateTriangleResult::Exterior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[2])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[3])));
vp = ve3;
EXPECT_TRUE(mesh.locate_triangle(vp, e) == LocateTriangleResult::Exterior);
EXPECT_TRUE(mesh.locate_triangle(vp,loc) == LocateTriangleResult::Exterior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[3])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[0])));
}
......@@ -861,34 +876,39 @@ TEST(Mesh, locate_triange__square_domain) {
ve3 = {0.0 - DBL_EPSILON, 0.5};
LocateTriangleResult result;
for (size_t i = 0; i < mesh.size_edges(); ++i) {
Edge const *e = mesh.edge(i);
Edge const *e;
Point vp;
size_t loc = i;
vp = ve0;
result = mesh.locate_triangle(vp, e);
result = mesh.locate_triangle(vp,loc);
EXPECT_TRUE(result == LocateTriangleResult::Interior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[0])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[1])));
vp = ve1;
result = mesh.locate_triangle(vp, e);
result = mesh.locate_triangle(vp,loc);
EXPECT_TRUE(result == LocateTriangleResult::Interior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[1])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[2])));
vp = ve2;
result = mesh.locate_triangle(vp, e);
result = mesh.locate_triangle(vp,loc);
EXPECT_TRUE(result == LocateTriangleResult::Interior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[2])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[3])));
vp = ve3;
result = mesh.locate_triangle(vp, e);
result = mesh.locate_triangle(vp,loc);
EXPECT_TRUE(result == LocateTriangleResult::Interior);
e = mesh.edge(loc);
EXPECT_TRUE((mesh.point(e->node()) == mesh.point(vmap[3])) && (mesh.point(mesh.edge(e->next())->node()) == mesh.point(vmap[0])));
}
Point vie{0.5, 0.5};
for (size_t i = 0; i < mesh.size_edges(); ++i) {
const Edge *e = mesh.edge(i);
//const Edge *e = mesh.edge(i);
EXPECT_TRUE(mesh.locate_triangle(vie, e) == LocateTriangleResult::Interior);
EXPECT_TRUE(mesh.locate_triangle(vie, i) == LocateTriangleResult::Interior);
}
}
\ No newline at end of file
test/Mesh/util.cpp
View file @ 0dce6596
#include "test_Mesh.hpp"
bool edges_are_optimal(Mesh &m) {
for (size_t i = 0;i < m.size_edges();++i) {
EXPECT_TRUE(m.is_locally_optimal(m.edge(i)));
for (size_t i = 0;i != m.size_edges();++i) {
EXPECT_TRUE(m.is_locally_optimal(i));
}
return true;
......
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