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app.cpp
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app.cpp
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#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Constrained_Delaunay_triangulation_2.h>
#include <CGAL/Triangulation_vertex_base_with_info_2.h>
#include <CGAL/Triangulation_face_base_with_info_2.h>
#include <CGAL/Polygon_2.h>
#include <vector>
#include <iostream>
/*oi domes stis opoies apothikevode oi plirofories gia ta faces kai ta vertices*/
struct FaceInfo2
{
FaceInfo2(){}
int nesting_level;
bool done;
bool in_domain(){
return nesting_level%2 == 1;
}
bool is_done(){
return done;
}
};
struct VertexInfo{
VertexInfo(){}
int color; // 1 = Kokkino, 2 = Mple, 3 = Prasino
bool colored; /* simbolizei to an exei xrwmatistei i korifi */
bool can_change;
int the_id; /* simbolizei to id tou kathe vertex,to opoio einai monadiko */
int get_color(){
return color;
}
bool get_colored(){
return colored;
}
bool get_can_change(){
return can_change;
}
int get_the_id(){
return the_id;
}
};
typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
typedef CGAL::Triangulation_vertex_base_with_info_2<VertexInfo,K> Vbb;
typedef CGAL::Triangulation_face_base_with_info_2<FaceInfo2,K> Fbb;
typedef CGAL::Constrained_triangulation_face_base_2<K,Fbb> Fb;
typedef CGAL::Triangulation_data_structure_2<Vbb,Fb> TDS;
typedef CGAL::Exact_predicates_tag Itag;
typedef CGAL::Constrained_Delaunay_triangulation_2<K, TDS, Itag> CDT;
typedef CDT::Point Point;
typedef CGAL::Polygon_2<K> Polygon_2;
typedef CDT::Face_iterator Face_iterator;
/* i trigonopiisi enos aplou poligonou odigei sekirto polugwno. Synepws xrisimopoioume aftes tis
duo sinartiseis gia na aferesoume ta trigwna ta opoia dn apoteloun meros tu aplou polugwnou.*/
void mark_domains(CDT& ct,
CDT::Face_handle start,
int index,
std::list<CDT::Edge>& border )
{
if(start->info().nesting_level != -1){
return;
}
std::list<CDT::Face_handle> queue;
queue.push_back(start);
while(! queue.empty()){
CDT::Face_handle fh = queue.front();
queue.pop_front();
if(fh->info().nesting_level == -1){
fh->info().nesting_level = index;
for(int i = 0; i < 3; i++){
CDT::Edge e(fh,i);
CDT::Face_handle n = fh->neighbor(i);
if(n->info().nesting_level == -1){
if(ct.is_constrained(e)) border.push_back(e);
else queue.push_back(n);
}
}
}
}
}
void mark_domains(CDT& cdt)
{
for(CDT::All_faces_iterator it = cdt.all_faces_begin(); it != cdt.all_faces_end(); ++it){
it->info().nesting_level = -1;
}
int index = 0;
std::list<CDT::Edge> border;
mark_domains(cdt, cdt.infinite_face(), index++, border);
while(! border.empty()){
CDT::Edge e = border.front();
border.pop_front();
CDT::Face_handle n = e.first->neighbor(e.second);
if(n->info().nesting_level == -1){
mark_domains(cdt, n, e.first->info().nesting_level+1, border);
}
}
}
/* edw ginetai i constrained triangulation */
void insert_polygon(CDT& cdt,const Polygon_2& polygon){
if ( polygon.is_empty() ) return;
CDT::Vertex_handle v_prev=cdt.insert(*CGAL::cpp0x::prev(polygon.vertices_end()));
for (Polygon_2::Vertex_iterator vit=polygon.vertices_begin();
vit!=polygon.vertices_end();++vit)
{
CDT::Vertex_handle vh=cdt.insert(*vit);
cdt.insert_constraint(vh,v_prev);
v_prev=vh;
}
}
/*epistrefei ean ena stixeio iparxei se ena vector. Xrisimopoithike vector gia na apothikevetai to vertex id sto xrwma pu anikei*/
bool is_inside(int x, std::vector<int> kati){
int count = 0;
for (int i = 0; i <= kati.size(); i++) {
if(x == kati[i]){
count++;
break;
}
}
if(count > 0){
return true;
}else{
return false;
}
}
int main( )
{
/*eisagwgi simeiwn*/
Polygon_2 polygon1;
polygon1.push_back(Point(2,5));
polygon1.push_back(Point(3,3));
polygon1.push_back(Point(2,1));
polygon1.push_back(Point(5,1));
polygon1.push_back(Point(6,3));
polygon1.push_back(Point(6,2));
polygon1.push_back(Point(8,1));
polygon1.push_back(Point(9,4));
polygon1.push_back(Point(10,4));
polygon1.push_back(Point(10,1));
polygon1.push_back(Point(12,3));
polygon1.push_back(Point(10,8));
polygon1.push_back(Point(7,8));
polygon1.push_back(Point(5,9));
polygon1.push_back(Point(4,8));
polygon1.push_back(Point(6,8));
polygon1.push_back(Point(5,7));
polygon1.push_back(Point(3,6));
polygon1.push_back(Point(1,10));
CDT cdt;
insert_polygon(cdt,polygon1);
mark_domains(cdt);
int the_id = 1;
int facelets_count = 0;
/*arxikopoiiseis colored,can-change(den xrisimopoiithike) kai twn vertex id
Episis vriskoume posa faces exoun dimiurgithei*/
for (CDT::Finite_faces_iterator fit=cdt.finite_faces_begin();
fit!=cdt.finite_faces_end();++fit)
{
if ( fit->info().in_domain() ){
std::cout << the_id << std::endl;
fit->info().done = false;
fit->vertex(0)->info().colored = false;
fit->vertex(1)->info().colored = false;
fit->vertex(2)->info().colored = false;
fit->vertex(0)->info().can_change = true;
fit->vertex(1)->info().can_change = true;
fit->vertex(2)->info().can_change = true;
fit->vertex(0)->info().the_id = the_id;
the_id++;
fit->vertex(1)->info().the_id = the_id;
the_id++;
fit->vertex(2)->info().the_id = the_id;
the_id++;
facelets_count++;
}
}
int count=0;
/*dimiurgume ta vector*/
std::vector<int> red;
std::vector<int> blue;
std::vector<int> yellow;
for (int k=0; k<=facelets_count; k++) {
for (CDT::Finite_faces_iterator fit=cdt.finite_faces_begin();
fit!=cdt.finite_faces_end();++fit)
{
if ( fit->info().in_domain() ){
//std::cout << count << std::endl;
if(count == 0){ /*An den exei mpei pote apla xromatiseta ola ta shmeia*/
fit->vertex(0)->info().color = 1;
red.push_back(fit->vertex(0)->info().the_id);
fit->vertex(1)->info().color = 2;
blue.push_back(fit->vertex(1)->info().the_id);
fit->vertex(2)->info().color = 3;
yellow.push_back(fit->vertex(2)->info().the_id);
fit->vertex(0)->info().colored = true;
fit->vertex(1)->info().colored = true;
fit->vertex(2)->info().colored = true;
fit->info().done = true;
}else{
/*An to trigwno den exei ginei done, diladi den exei xwmatistei plirws, prospathei na brei tus sindiadsmous twn xrwmatwn
gia na vapsei tin epomeni koryfi. Ta if xrisimopoioude gia na vrethun oloi oi sindiasmoi*/
if(fit->info().done == false ){
if (is_inside(fit->vertex(0)->info().the_id, blue) == true) {// BLUE
if (is_inside(fit->vertex(1)->info().the_id, red) == true) {
if (is_inside(fit->vertex(2)->info().the_id, yellow) == false) {
fit->vertex(2)->info().color = 3;
yellow.push_back(fit->vertex(2)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}else if(is_inside(fit->vertex(1)->info().the_id, yellow) == true){
if (is_inside(fit->vertex(2)->info().the_id, red) == false) {
fit->vertex(2)->info().color = 1;
red.push_back(fit->vertex(2)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}else if(is_inside(fit->vertex(2)->info().the_id, red) == true){
if (is_inside(fit->vertex(1)->info().the_id, yellow) == false) {
fit->vertex(1)->info().color = 3;
yellow.push_back(fit->vertex(1)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}else if(is_inside(fit->vertex(2)->info().the_id, yellow) == true){
if (is_inside(fit->vertex(1)->info().the_id, red) == false) {
fit->vertex(1)->info().color = 1;
red.push_back(fit->vertex(1)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}
}
if (is_inside(fit->vertex(0)->info().the_id, red) == true) { // RED
if (is_inside(fit->vertex(1)->info().the_id, blue) == true) {
if (is_inside(fit->vertex(2)->info().the_id, yellow) == false) {
fit->vertex(2)->info().color = 3;
yellow.push_back(fit->vertex(2)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}else if(is_inside(fit->vertex(1)->info().the_id, yellow) == true){
if (is_inside(fit->vertex(2)->info().the_id, blue) == false) {
fit->vertex(2)->info().color = 2;
blue.push_back(fit->vertex(2)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}else if(is_inside(fit->vertex(2)->info().the_id, blue) == true){
if (is_inside(fit->vertex(1)->info().the_id, yellow) == false) {
fit->vertex(1)->info().color = 3;
yellow.push_back(fit->vertex(1)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}else if(is_inside(fit->vertex(2)->info().the_id, yellow) == true){
if (is_inside(fit->vertex(1)->info().the_id, blue) == false) {
fit->vertex(1)->info().color = 2;
blue.push_back(fit->vertex(1)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}
}//
if (is_inside(fit->vertex(0)->info().the_id, yellow) == true) { // YELLOW
if (is_inside(fit->vertex(1)->info().the_id, red) == true) {
if (is_inside(fit->vertex(2)->info().the_id, blue) == false) {
fit->vertex(2)->info().color = 2;
blue.push_back(fit->vertex(2)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}else if(is_inside(fit->vertex(1)->info().the_id, blue) == true){
if (is_inside(fit->vertex(2)->info().the_id, red) == false) {
fit->vertex(2)->info().color = 1;
red.push_back(fit->vertex(2)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}else if(is_inside(fit->vertex(2)->info().the_id, red) == true){
if (is_inside(fit->vertex(1)->info().the_id, blue) == false) {
fit->vertex(1)->info().color = 2;
blue.push_back(fit->vertex(1)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}else if(is_inside(fit->vertex(2)->info().the_id, blue) == true){
if (is_inside(fit->vertex(1)->info().the_id, red) == false) {
fit->vertex(1)->info().color = 1;
red.push_back(fit->vertex(1)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}
} else if(is_inside(fit->vertex(1)->info().the_id, blue) == true){ //BLUE
if (is_inside(fit->vertex(0)->info().the_id, red) == true) {
if (is_inside(fit->vertex(2)->info().the_id, yellow) == false) {
fit->vertex(2)->info().color = 3;
yellow.push_back(fit->vertex(2)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(0)->info().the_id,yellow) == true) {
if (is_inside(fit->vertex(2)->info().the_id, red) == false) {
fit->vertex(2)->info().color = 1;
red.push_back(fit->vertex(2)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(2)->info().the_id, red) == true) {
if (is_inside(fit->vertex(0)->info().the_id, yellow) == false) {
fit->vertex(0)->info().color = 3;
yellow.push_back(fit->vertex(0)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(2)->info().the_id, yellow) == true) {
if (is_inside(fit->vertex(0)->info().the_id, red) == false) {
fit->vertex(0)->info().color = 1;
red.push_back(fit->vertex(0)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}
} else if(is_inside(fit->vertex(1)->info().the_id, red) == true){ //RED
if (is_inside(fit->vertex(0)->info().the_id, blue) == true) {
if (is_inside(fit->vertex(2)->info().the_id, yellow) == false) {
fit->vertex(2)->info().color = 3;
yellow.push_back(fit->vertex(2)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(0)->info().the_id, yellow) == true) {
if (is_inside(fit->vertex(2)->info().the_id, blue) == false) {
fit->vertex(2)->info().color = 2;
blue.push_back(fit->vertex(2)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(2)->info().the_id, blue) == true) {
if (is_inside(fit->vertex(0)->info().the_id, yellow) == false) {
fit->vertex(0)->info().color = 3;
yellow.push_back(fit->vertex(0)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(2)->info().the_id, yellow) == true) {
if (is_inside(fit->vertex(0)->info().the_id, blue) == false) {
fit->vertex(0)->info().color = 2;
blue.push_back(fit->vertex(0)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}
}
if(is_inside(fit->vertex(1)->info().the_id, yellow) == true){ //Yellow
if (is_inside(fit->vertex(0)->info().the_id, red) == true) {
if (is_inside(fit->vertex(2)->info().the_id, blue) == false) {
fit->vertex(2)->info().color = 2;
blue.push_back(fit->vertex(2)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(0)->info().the_id, blue) == true) {
if (is_inside(fit->vertex(2)->info().the_id, red) == false) {
fit->vertex(2)->info().color = 1;
red.push_back(fit->vertex(2)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(2)->info().the_id, red) == true) {
if (is_inside(fit->vertex(0)->info().the_id, blue) == false) {
fit->vertex(0)->info().color = 2;
blue.push_back(fit->vertex(0)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(2)->info().the_id, blue) == true) {
if (is_inside(fit->vertex(0)->info().the_id, red) == false) {
fit->vertex(0)->info().color = 1;
red.push_back(fit->vertex(0)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}
} //////////////////////////////////////////////////////////
if(is_inside(fit->vertex(2)->info().the_id, blue) == true){ // BLUE
if (is_inside(fit->vertex(1)->info().the_id, red) == true) {
if (is_inside(fit->vertex(0)->info().the_id, yellow) == false) {
fit->vertex(0)->info().color = 3;
yellow.push_back(fit->vertex(0)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(1)->info().the_id, yellow) == true) {
if (is_inside(fit->vertex(0)->info().the_id, red) == false) {
fit->vertex(0)->info().color = 1;
red.push_back(fit->vertex(0)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(0)->info().the_id, red) == true) {
if (is_inside(fit->vertex(1)->info().the_id,yellow) == false) {
fit->vertex(1)->info().color = 3;
yellow.push_back(fit->vertex(1)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(0)->info().the_id, yellow) == true) {
if (is_inside(fit->vertex(1)->info().the_id, red) == false) {
fit->vertex(1)->info().color = 1;
red.push_back(fit->vertex(1)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}
if(is_inside(fit->vertex(2)->info().the_id, red) == true){ //RED
if (is_inside(fit->vertex(1)->info().the_id, blue) == true) {
if (is_inside(fit->vertex(0)->info().the_id, yellow) == false) {
fit->vertex(0)->info().color = 3;
yellow.push_back(fit->vertex(0)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(1)->info().the_id, yellow) == true) {
if (is_inside(fit->vertex(0)->info().the_id, blue) == false) {
fit->vertex(0)->info().color = 2;
blue.push_back(fit->vertex(0)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(0)->info().the_id, blue) == true) {
if (is_inside(fit->vertex(1)->info().the_id,yellow) == false) {
fit->vertex(1)->info().color = 3;
yellow.push_back(fit->vertex(1)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(0)->info().the_id, yellow) == true) {
if (is_inside(fit->vertex(1)->info().the_id, blue) == false) {
fit->vertex(1)->info().color = 2;
blue.push_back(fit->vertex(1)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}
}
}
if(is_inside(fit->vertex(2)->info().the_id, yellow) == true){ // YELLOW
if (is_inside(fit->vertex(1)->info().the_id, red) == true) {
if (is_inside(fit->vertex(0)->info().the_id, blue) == false) {
fit->vertex(0)->info().color = 2;
blue.push_back(fit->vertex(0)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(1)->info().the_id, blue) == true) {
if (is_inside(fit->vertex(0)->info().the_id, red) == false) {
fit->vertex(0)->info().color = 1;
red.push_back(fit->vertex(0)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(0)->info().the_id, red) == true) {
if (is_inside(fit->vertex(1)->info().the_id,blue) == false) {
fit->vertex(1)->info().color = 2;
blue.push_back(fit->vertex(1)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
} else if (is_inside(fit->vertex(0)->info().the_id, blue) == true) {
if (is_inside(fit->vertex(1)->info().the_id, red) == false) {
fit->vertex(1)->info().color = 1;
red.push_back(fit->vertex(1)->info().the_id);
fit->info().done = true;
continue;
}else{
fit->info().done = true;
continue;
}
}
}
}
}
count++;
}
}
}
/*Ektypwseis*/
int zozela =0;
for (CDT::Finite_faces_iterator fit=cdt.finite_faces_begin();
fit!=cdt.finite_faces_end();++fit)
{
if ( fit->info().in_domain() ){
std::cout << zozela << std::endl;
// std::cout << fit->vertex(0)->info().get_color() << std::endl;
std::cout << fit->vertex(0)->point() << " color: " << fit->vertex(0)->info().get_color() << " - " << fit->vertex(0)->info().get_the_id() << std::endl;
std::cout << fit->vertex(1)->point() << " color: " << fit->vertex(1)->info().get_color() << " - " << fit->vertex(1)->info().get_the_id() << std::endl;
std::cout << fit->vertex(2)->point() << " color: " << fit->vertex(2)->info().get_color() << " - " << fit->vertex(2)->info().get_the_id() << std::endl;
std::cout <<"/////////////////////////////////////////////////////////" << std::endl;
zozela++;
}
}
/*Ipologizetai edw to xrwma pou exei xrwmatisei tis ligoteres korifes etsi wste na topothetithun saftes oi filakes.*/
int see1 = red.size();
int see2 = blue.size();
int see3 = yellow.size();
int min = see1;
int selected = 1;
if(see2 < min){
min = see2;
int selected = 2;
}
if(see3 < min){
min = see3;
int selected = 3;
}
if(selected == 1){
std::cout << "Selected color is red" << std::endl;
}else if(selected == 2){
std::cout << "Selected color is blue" << std::endl;
}else{
std::cout << "Selected color is yellow" << std::endl;
}
std::cout << "Guards must be in the following vertices : " << std::endl;
if(selected == 1){
for (int i = 0; i < red.size(); i++) {
bool get_me_out = false;
for (CDT::Finite_faces_iterator fit=cdt.finite_faces_begin();
fit!=cdt.finite_faces_end();++fit)
{
if ( fit->info().in_domain() ){
for (int k=0; k < 3; k++) {
if (red.at(i) == fit->vertex(k)->info().get_the_id() ) {
std::cout << fit->vertex(k)->point() << std::endl;
get_me_out = true;
}
}
}
if(get_me_out == true){
break;
}
}
}
}else if(selected == 2){
for (int i = 0; i< blue.size(); i++) {
bool get_me_out = false;
for (CDT::Finite_faces_iterator fit=cdt.finite_faces_begin();
fit!=cdt.finite_faces_end();++fit)
{
if ( fit->info().in_domain() ){
for (int k=0; k < 3; k++) {
if (blue.at(i) == fit->vertex(k)->info().get_the_id() ) {
std::cout << fit->vertex(k)->point() << std::endl;
get_me_out = true;
}
}
}
if(get_me_out == true){
break;
}
}
}
}else if(selected == 3){
for (int i = 0; i< yellow.size(); i++) {
bool get_me_out = false;
for (CDT::Finite_faces_iterator fit=cdt.finite_faces_begin();
fit!=cdt.finite_faces_end();++fit)
{
if ( fit->info().in_domain() ){
for (int k=0; k < 3; k++) {
if (yellow.at(i) == fit->vertex(k)->info().get_the_id() ) {
std::cout << fit->vertex(k)->point() << std::endl;
get_me_out = true;
}
}
}
if(get_me_out == true){
break;
}
}
}
}
std::cout << "================================================"<< std::endl;
std::cout << "Each color has the following number of vertices"<< std::endl;
std::cout << "red " << see1 << std::endl;
std::cout << "blue " << see2 << std::endl;
std::cout << "yellow " << see3 << std::endl;
std::cout << "================================================"<< std::endl;
std::cout << "There are " << facelets_count << " facets in the domain." << std::endl;
return 0;
}