30#ifndef LABELPOSITION_H
31#define LABELPOSITION_H
58 friend class PolygonCostCalculator;
94 double alpha,
double cost,
95 FeaturePart *feature,
bool isReversed =
false, Quadrant quadrant = QuadrantOver );
106 bool intersects(
const GEOSPreparedGeometry *geometry );
113 bool within(
const GEOSPreparedGeometry *geometry );
131 void getBoundingBox(
double amin[2],
double amax[2] )
const;
151 bool outerBoundingBoxIntersects(
const LabelPosition *other )
const;
160 double getDistanceToPoint(
double xp,
double yp,
bool useOuterBounds )
const;
167 bool crossesLine(
PointSet *line )
const;
174 bool crossesBoundary(
PointSet *polygon )
const;
180 int polygonIntersectionCost(
PointSet *polygon )
const;
187 bool intersectsWithPolygon(
PointSet *polygon )
const;
222 if ( mNextPart ) mNextPart->setProblemIds( probFid, lpId );
229 double cost()
const {
return mCost; }
236 void setCost(
double newCost ) { mCost = newCost; }
244 void setConflictsWithObstacle(
bool conflicts );
258 void setHasHardObstacleConflict(
bool conflicts );
275 double getX(
int i = 0 )
const;
281 double getY(
int i = 0 )
const;
289 double getAlpha()
const;
308 void setNextPart( std::unique_ptr< LabelPosition > next ) { mNextPart = std::move( next ); }
350 const GEOSPreparedGeometry *preparedMultiPartGeom()
const;
357 const GEOSPreparedGeometry *preparedOuterBoundsGeom()
const;
367 unsigned int globalId()
const {
return mGlobalId; }
380 double angleDifferential();
412 unsigned int mGlobalId = 0;
413 std::unique_ptr< LabelPosition > mNextPart;
415 std::vector< double > mOuterBoundsX;
416 std::vector< double > mOuterBoundsY;
418 double mOuterBoundsXMin = std::numeric_limits<double>::max();
419 double mOuterBoundsXMax = std::numeric_limits<double>::lowest();
420 double mOuterBoundsYMin = std::numeric_limits<double>::max();
421 double mOuterBoundsYMax = std::numeric_limits<double>::lowest();
423 geos::unique_ptr mOuterBoundsGeos;
424 const GEOSPreparedGeometry *mPreparedOuterBoundsGeos =
nullptr;
427 bool mHasObstacleConflict;
428 bool mHasHardConflict =
false;
429 int mUpsideDownCharCount;
434 int partCount()
const;
440 double polygonIntersectionCostForParts(
PointSet *polygon )
const;
445 void createMultiPartGeosGeom()
const;
449 void createOuterBoundsGeom();
A rtree spatial index for use in the pal labeling engine.
A rectangle specified with double values.
Calculates label candidate costs considering different factors.
Main class to handle feature.
LabelPosition is a candidate feature label position.
Quadrant
Position of label candidate relative to feature.
void incrementNumOverlaps()
Increases the number of overlaps recorded against this position by 1.
LabelPosition::Quadrant quadrant
bool hasHardObstacleConflict() const
Returns whether the position is marked as having a hard conflict with an obstacle feature.
void setNextPart(std::unique_ptr< LabelPosition > next)
Sets the next part of this label position (i.e.
void setCost(double newCost)
Sets the candidate label position's geographical cost.
double alpha
Rotation in radians.
int upsideDownCharCount() const
Returns the number of upside down characters for this label position.
void setGlobalId(unsigned int id)
Sets the global id for the candidate, which is unique for a single run of the pal labelling engine.
void decrementNumOverlaps()
Decreases the number of overlaps recorded against this position by 1.
double cost() const
Returns the candidate label position's geographical cost.
Quadrant getQuadrant() const
bool conflictsWithObstacle() const
Returns whether the position is marked as conflicting with an obstacle feature.
int getNumOverlaps() const
void setProblemIds(int probFid, int lpId)
Set problem feature ID and assigned label candidate ID.
void setUpsideDownCharCount(int count)
Sets the count of upside down characters for this label position.
unsigned int globalId() const
Returns the global ID for the candidate, which is unique for a single run of the pal labelling engine...
int getProblemFeatureId() const
bool getUpsideDown() const
LabelPosition * nextPart() const
Returns the next part of this label position (i.e.
The underlying raw pal geometry class.
struct GEOSGeom_t GEOSGeometry