Very minor fixes: Uncrustify a few files and rename a shadowed var.

This commit is contained in:
jean-pierre charras 2016-07-22 08:59:17 +02:00
parent 78e4787297
commit 146a78a8fb
7 changed files with 1277 additions and 998 deletions

View File

@ -56,7 +56,7 @@ struct Point
std::vector<Edge*> edge_list;
/// Construct using coordinates.
Point( double x, double y ) : x( x ), y( y ) {}
Point( double ax, double ay ) : x( ax ), y( ay ) {}
/// Set this point to all zeros.
void set_zero()

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@ -31,79 +31,105 @@
#include "advancing_front.h"
namespace p2t {
AdvancingFront::AdvancingFront(Node& head, Node& tail)
AdvancingFront::AdvancingFront( Node& head, Node& tail )
{
head_ = &head;
tail_ = &tail;
search_node_ = &head;
head_ = &head;
tail_ = &tail;
search_node_ = &head;
}
Node* AdvancingFront::LocateNode(const double& x)
{
Node* node = search_node_;
if (x < node->value) {
while ((node = node->prev) != NULL) {
if (x >= node->value) {
Node* AdvancingFront::LocateNode( const double& x )
{
Node* node = search_node_;
if( x < node->value )
{
while( (node = node->prev) != NULL )
{
if( x >= node->value )
{
search_node_ = node;
return node;
}
}
}
else
{
while( (node = node->next) != NULL )
{
if( x < node->value )
{
search_node_ = node->prev;
return node->prev;
}
}
}
return NULL;
}
Node* AdvancingFront::FindSearchNode( const double& x )
{
(void) x; // suppress compiler warnings "unused parameter 'x'"
// TODO: implement BST index
return search_node_;
}
Node* AdvancingFront::LocatePoint( const Point* point )
{
const double px = point->x;
Node* node = FindSearchNode( px );
const double nx = node->point->x;
if( px == nx )
{
if( point != node->point )
{
// We might have two nodes with same x value for a short time
if( point == node->prev->point )
{
node = node->prev;
}
else if( point == node->next->point )
{
node = node->next;
}
else
{
assert( 0 );
}
}
}
else if( px < nx )
{
while( (node = node->prev) != NULL )
{
if( point == node->point )
{
break;
}
}
}
else
{
while( (node = node->next) != NULL )
{
if( point == node->point )
break;
}
}
if( node )
search_node_ = node;
return node;
}
}
} else {
while ((node = node->next) != NULL) {
if (x < node->value) {
search_node_ = node->prev;
return node->prev;
}
}
}
return NULL;
return node;
}
Node* AdvancingFront::FindSearchNode(const double& x)
{
(void)x; // suppress compiler warnings "unused parameter 'x'"
// TODO: implement BST index
return search_node_;
}
Node* AdvancingFront::LocatePoint(const Point* point)
{
const double px = point->x;
Node* node = FindSearchNode(px);
const double nx = node->point->x;
if (px == nx) {
if (point != node->point) {
// We might have two nodes with same x value for a short time
if (point == node->prev->point) {
node = node->prev;
} else if (point == node->next->point) {
node = node->next;
} else {
assert(0);
}
}
} else if (px < nx) {
while ((node = node->prev) != NULL) {
if (point == node->point) {
break;
}
}
} else {
while ((node = node->next) != NULL) {
if (point == node->point)
break;
}
}
if(node) search_node_ = node;
return node;
}
AdvancingFront::~AdvancingFront()
{
}
}

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@ -35,84 +35,91 @@
#include "../common/shapes.h"
namespace p2t {
struct Node;
// Advancing front node
struct Node {
Point* point;
Triangle* triangle;
struct Node
{
Point* point;
Triangle* triangle;
Node* next;
Node* prev;
Node* next;
Node* prev;
double value;
double value;
Node(Point& p) : point(&p), triangle(NULL), next(NULL), prev(NULL), value(p.x)
{
}
Node(Point& p, Triangle& t) : point(&p), triangle(&t), next(NULL), prev(NULL), value(p.x)
{
}
Node( Point& p ) : point( &p ), triangle( NULL ), next( NULL ), prev( NULL ), value( p.x )
{
}
Node( Point& p, Triangle& t ) : point( &p ), triangle( &t ), next( NULL ), prev( NULL ), value(
p.x )
{
}
};
// Advancing front
class AdvancingFront {
class AdvancingFront
{
public:
AdvancingFront(Node& head, Node& tail);
AdvancingFront( Node& head, Node& tail );
// Destructor
~AdvancingFront();
~AdvancingFront();
Node* head();
void set_head(Node* node);
Node* tail();
void set_tail(Node* node);
Node* search();
void set_search(Node* node);
Node* head();
void set_head( Node* node );
Node* tail();
void set_tail( Node* node );
Node* search();
void set_search( Node* node );
/// Locate insertion point along advancing front
Node* LocateNode(const double& x);
Node* LocateNode( const double& x );
Node* LocatePoint(const Point* point);
Node* LocatePoint( const Point* point );
private:
Node* head_, *tail_, *search_node_;
Node* head_, * tail_, * search_node_;
Node* FindSearchNode(const double& x);
Node* FindSearchNode( const double& x );
};
inline Node* AdvancingFront::head()
{
return head_;
return head_;
}
inline void AdvancingFront::set_head(Node* node)
inline void AdvancingFront::set_head( Node* node )
{
head_ = node;
head_ = node;
}
inline Node* AdvancingFront::tail()
{
return tail_;
return tail_;
}
inline void AdvancingFront::set_tail(Node* node)
inline void AdvancingFront::set_tail( Node* node )
{
tail_ = node;
tail_ = node;
}
inline Node* AdvancingFront::search()
{
return search_node_;
return search_node_;
}
inline void AdvancingFront::set_search(Node* node)
inline void AdvancingFront::set_search( Node* node )
{
search_node_ = node;
search_node_ = node;
}
}
#endif

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@ -31,42 +31,46 @@
#include "cdt.h"
namespace p2t {
CDT::CDT(std::vector<Point*> polyline)
CDT::CDT( std::vector<Point*> polyline )
{
sweep_context_ = new SweepContext(polyline);
sweep_ = new Sweep;
sweep_context_ = new SweepContext( polyline );
sweep_ = new Sweep;
}
void CDT::AddHole(std::vector<Point*> polyline)
void CDT::AddHole( std::vector<Point*> polyline )
{
sweep_context_->AddHole(polyline);
sweep_context_->AddHole( polyline );
}
void CDT::AddPoint(Point* point) {
sweep_context_->AddPoint(point);
void CDT::AddPoint( Point* point )
{
sweep_context_->AddPoint( point );
}
void CDT::Triangulate()
{
sweep_->Triangulate(*sweep_context_);
sweep_->Triangulate( *sweep_context_ );
}
std::vector<p2t::Triangle*> CDT::GetTriangles()
{
return sweep_context_->GetTriangles();
return sweep_context_->GetTriangles();
}
std::list<p2t::Triangle*> CDT::GetMap()
{
return sweep_context_->GetMap();
return sweep_context_->GetMap();
}
CDT::~CDT()
{
delete sweep_context_;
delete sweep_;
delete sweep_context_;
delete sweep_;
}
}

File diff suppressed because it is too large Load Diff

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@ -33,164 +33,193 @@
#include "advancing_front.h"
namespace p2t {
SweepContext::SweepContext(std::vector<Point*> polyline) :
front_(0),
head_(0),
tail_(0),
af_head_(0),
af_middle_(0),
af_tail_(0)
SweepContext::SweepContext( std::vector<Point*> polyline ) :
front_( 0 ),
head_( 0 ),
tail_( 0 ),
af_head_( 0 ),
af_middle_( 0 ),
af_tail_( 0 )
{
basin = Basin();
edge_event = EdgeEvent();
basin = Basin();
edge_event = EdgeEvent();
points_ = polyline;
points_ = polyline;
InitEdges(points_);
InitEdges( points_ );
}
void SweepContext::AddHole(std::vector<Point*> polyline)
void SweepContext::AddHole( std::vector<Point*> polyline )
{
InitEdges(polyline);
for(unsigned int i = 0; i < polyline.size(); i++) {
points_.push_back(polyline[i]);
}
InitEdges( polyline );
for( unsigned int i = 0; i < polyline.size(); i++ )
{
points_.push_back( polyline[i] );
}
}
void SweepContext::AddPoint(Point* point) {
points_.push_back(point);
void SweepContext::AddPoint( Point* point )
{
points_.push_back( point );
}
std::vector<Triangle*> SweepContext::GetTriangles()
{
return triangles_;
return triangles_;
}
std::list<Triangle*> SweepContext::GetMap()
{
return map_;
return map_;
}
void SweepContext::InitTriangulation()
{
double xmax(points_[0]->x), xmin(points_[0]->x);
double ymax(points_[0]->y), ymin(points_[0]->y);
double xmax( points_[0]->x ), xmin( points_[0]->x );
double ymax( points_[0]->y ), ymin( points_[0]->y );
// Calculate bounds.
for (unsigned int i = 0; i < points_.size(); i++) {
Point& p = *points_[i];
if (p.x > xmax)
xmax = p.x;
if (p.x < xmin)
xmin = p.x;
if (p.y > ymax)
ymax = p.y;
if (p.y < ymin)
ymin = p.y;
}
// Calculate bounds.
for( unsigned int i = 0; i < points_.size(); i++ )
{
Point& p = *points_[i];
double dx = kAlpha * (xmax - xmin);
double dy = kAlpha * (ymax - ymin);
head_ = new Point(xmax + dx, ymin - dy);
tail_ = new Point(xmin - dx, ymin - dy);
if( p.x > xmax )
xmax = p.x;
// Sort points along y-axis
std::sort(points_.begin(), points_.end(), cmp);
if( p.x < xmin )
xmin = p.x;
}
if( p.y > ymax )
ymax = p.y;
void SweepContext::InitEdges(std::vector<Point*> polyline)
{
int num_points = polyline.size();
for (int i = 0; i < num_points; i++) {
int j = i < num_points - 1 ? i + 1 : 0;
edge_list.push_back(new Edge(*polyline[i], *polyline[j]));
}
}
Point* SweepContext::GetPoint(const int& index)
{
return points_[index];
}
void SweepContext::AddToMap(Triangle* triangle)
{
map_.push_back(triangle);
}
Node& SweepContext::LocateNode(Point& point)
{
// TODO implement search tree
return *front_->LocateNode(point.x);
}
void SweepContext::CreateAdvancingFront(std::vector<Node*> nodes)
{
(void) nodes;
// Initial triangle
Triangle* triangle = new Triangle(*points_[0], *tail_, *head_);
map_.push_back(triangle);
af_head_ = new Node(*triangle->GetPoint(1), *triangle);
af_middle_ = new Node(*triangle->GetPoint(0), *triangle);
af_tail_ = new Node(*triangle->GetPoint(2));
front_ = new AdvancingFront(*af_head_, *af_tail_);
// TODO: More intuitive if head is middles next and not previous?
// so swap head and tail
af_head_->next = af_middle_;
af_middle_->next = af_tail_;
af_middle_->prev = af_head_;
af_tail_->prev = af_middle_;
}
void SweepContext::RemoveNode(Node* node)
{
delete node;
}
void SweepContext::MapTriangleToNodes(Triangle& t)
{
for (int i = 0; i < 3; i++) {
if (!t.GetNeighbor(i)) {
Node* n = front_->LocatePoint(t.PointCW(*t.GetPoint(i)));
if (n)
n->triangle = &t;
if( p.y < ymin )
ymin = p.y;
}
}
double dx = kAlpha * (xmax - xmin);
double dy = kAlpha * (ymax - ymin);
head_ = new Point( xmax + dx, ymin - dy );
tail_ = new Point( xmin - dx, ymin - dy );
// Sort points along y-axis
std::sort( points_.begin(), points_.end(), cmp );
}
void SweepContext::RemoveFromMap(Triangle* triangle)
void SweepContext::InitEdges( std::vector<Point*> polyline )
{
map_.remove(triangle);
}
int num_points = polyline.size();
void SweepContext::MeshClean(Triangle& triangle)
{
std::vector<Triangle *> triangles;
triangles.push_back(&triangle);
while(!triangles.empty()){
Triangle *t = triangles.back();
triangles.pop_back();
if (t != NULL && !t->IsInterior()) {
t->IsInterior(true);
triangles_.push_back(t);
for (int i = 0; i < 3; i++) {
if (!t->constrained_edge[i])
triangles.push_back(t->GetNeighbor(i));
}
for( int i = 0; i < num_points; i++ )
{
int j = i < num_points - 1 ? i + 1 : 0;
edge_list.push_back( new Edge( *polyline[i], *polyline[j] ) );
}
}
}
Point* SweepContext::GetPoint( const int& index )
{
return points_[index];
}
void SweepContext::AddToMap( Triangle* triangle )
{
map_.push_back( triangle );
}
Node& SweepContext::LocateNode( Point& point )
{
// TODO implement search tree
return *front_->LocateNode( point.x );
}
void SweepContext::CreateAdvancingFront( std::vector<Node*> nodes )
{
(void) nodes;
// Initial triangle
Triangle* triangle = new Triangle( *points_[0], *tail_, *head_ );
map_.push_back( triangle );
af_head_ = new Node( *triangle->GetPoint( 1 ), *triangle );
af_middle_ = new Node( *triangle->GetPoint( 0 ), *triangle );
af_tail_ = new Node( *triangle->GetPoint( 2 ) );
front_ = new AdvancingFront( *af_head_, *af_tail_ );
// TODO: More intuitive if head is middles next and not previous?
// so swap head and tail
af_head_->next = af_middle_;
af_middle_->next = af_tail_;
af_middle_->prev = af_head_;
af_tail_->prev = af_middle_;
}
void SweepContext::RemoveNode( Node* node )
{
delete node;
}
void SweepContext::MapTriangleToNodes( Triangle& t )
{
for( int i = 0; i < 3; i++ )
{
if( !t.GetNeighbor( i ) )
{
Node* n = front_->LocatePoint( t.PointCW( *t.GetPoint( i ) ) );
if( n )
n->triangle = &t;
}
}
}
void SweepContext::RemoveFromMap( Triangle* triangle )
{
map_.remove( triangle );
}
void SweepContext::MeshClean( Triangle& triangle )
{
std::vector<Triangle*> triangles;
triangles.push_back( &triangle );
while( !triangles.empty() )
{
Triangle* t = triangles.back();
triangles.pop_back();
if( t != NULL && !t->IsInterior() )
{
t->IsInterior( true );
triangles_.push_back( t );
for( int i = 0; i < 3; i++ )
{
if( !t->constrained_edge[i] )
triangles.push_back( t->GetNeighbor( i ) );
}
}
}
}
SweepContext::~SweepContext()
{
// Clean up memory
delete head_;
@ -202,15 +231,15 @@ SweepContext::~SweepContext()
typedef std::list<Triangle*> type_list;
for(type_list::iterator iter = map_.begin(); iter != map_.end(); ++iter) {
for( type_list::iterator iter = map_.begin(); iter != map_.end(); ++iter )
{
Triangle* ptr = *iter;
delete ptr;
}
for(unsigned int i = 0; i < edge_list.size(); i++) {
for( unsigned int i = 0; i < edge_list.size(); i++ )
{
delete edge_list[i];
}
}
}

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@ -37,7 +37,6 @@
#include <cstddef>
namespace p2t {
// Inital triangle factor, seed triangle will extend 30% of
// PointSet width to both left and right.
const double kAlpha = 0.3;
@ -48,139 +47,147 @@ struct Node;
struct Edge;
class AdvancingFront;
class SweepContext {
class SweepContext
{
public:
/// Constructor
SweepContext(std::vector<Point*> polyline);
SweepContext( std::vector<Point*> polyline );
/// Destructor
~SweepContext();
~SweepContext();
void set_head(Point* p1);
void set_head( Point* p1 );
Point* head();
Point* head();
void set_tail(Point* p1);
void set_tail( Point* p1 );
Point* tail();
Point* tail();
int point_count();
int point_count();
Node& LocateNode(Point& point);
Node& LocateNode( Point& point );
void RemoveNode(Node* node);
void RemoveNode( Node* node );
void CreateAdvancingFront(std::vector<Node*> nodes);
void CreateAdvancingFront( std::vector<Node*> nodes );
/// Try to map a node to all sides of this triangle that don't have a neighbor
void MapTriangleToNodes(Triangle& t);
void MapTriangleToNodes( Triangle& t );
void AddToMap(Triangle* triangle);
void AddToMap( Triangle* triangle );
Point* GetPoint(const int& index);
Point* GetPoint( const int& index );
Point* GetPoints();
Point* GetPoints();
void RemoveFromMap(Triangle* triangle);
void RemoveFromMap( Triangle* triangle );
void AddHole(std::vector<Point*> polyline);
void AddHole( std::vector<Point*> polyline );
void AddPoint(Point* point);
void AddPoint( Point* point );
AdvancingFront* front();
AdvancingFront* front();
void MeshClean(Triangle& triangle);
void MeshClean( Triangle& triangle );
std::vector<Triangle*> GetTriangles();
std::list<Triangle*> GetMap();
std::vector<Triangle*> GetTriangles();
std::vector<Edge*> edge_list;
std::list<Triangle*> GetMap();
struct Basin {
Node* left_node;
Node* bottom_node;
Node* right_node;
double width;
bool left_highest;
std::vector<Edge*> edge_list;
Basin() : left_node(NULL), bottom_node(NULL), right_node(NULL), width(0.0), left_highest(false)
{
}
struct Basin
{
Node* left_node;
Node* bottom_node;
Node* right_node;
double width;
bool left_highest;
void Clear()
{
left_node = NULL;
bottom_node = NULL;
right_node = NULL;
width = 0.0;
left_highest = false;
}
};
Basin() : left_node( NULL ), bottom_node( NULL ), right_node( NULL ), width( 0.0 ),
left_highest( false )
{
}
struct EdgeEvent {
Edge* constrained_edge;
bool right;
void Clear()
{
left_node = NULL;
bottom_node = NULL;
right_node = NULL;
width = 0.0;
left_highest = false;
}
};
EdgeEvent() : constrained_edge(NULL), right(false)
{
}
};
struct EdgeEvent
{
Edge* constrained_edge;
bool right;
Basin basin;
EdgeEvent edge_event;
EdgeEvent() : constrained_edge( NULL ), right( false )
{
}
};
Basin basin;
EdgeEvent edge_event;
private:
friend class Sweep;
friend class Sweep;
std::vector<Triangle*> triangles_;
std::list<Triangle*> map_;
std::vector<Point*> points_;
std::vector<Triangle*> triangles_;
std::list<Triangle*> map_;
std::vector<Point*> points_;
// Advancing front
AdvancingFront* front_;
AdvancingFront* front_;
// head point used with advancing front
Point* head_;
Point* head_;
// tail point used with advancing front
Point* tail_;
Point* tail_;
Node *af_head_, *af_middle_, *af_tail_;
void InitTriangulation();
void InitEdges(std::vector<Point*> polyline);
Node* af_head_, * af_middle_, * af_tail_;
void InitTriangulation();
void InitEdges( std::vector<Point*> polyline );
};
inline AdvancingFront* SweepContext::front()
{
return front_;
return front_;
}
inline int SweepContext::point_count()
{
return points_.size();
return points_.size();
}
inline void SweepContext::set_head(Point* p1)
inline void SweepContext::set_head( Point* p1 )
{
head_ = p1;
head_ = p1;
}
inline Point* SweepContext::head()
{
return head_;
return head_;
}
inline void SweepContext::set_tail(Point* p1)
inline void SweepContext::set_tail( Point* p1 )
{
tail_ = p1;
tail_ = p1;
}
inline Point* SweepContext::tail()
{
return tail_;
return tail_;
}
}
#endif