void CostCalculator::setCandidateCostFromPolygon( LabelPosition* lp, RTree <PointSet*, double, 2, double> *obstacles, double bbx[4], double bby[4] )
{
double amin[2];
double amax[2];
PolygonCostCalculator *pCost = new PolygonCostCalculator( lp );
// center
//cost = feat->getDistInside((this->x[0] + this->x[2])/2.0, (this->y[0] + this->y[2])/2.0 );
pCost->update( lp->feature );
PointSet *extent = new PointSet( 4, bbx, bby );
pCost->update( extent );
delete extent;
lp->feature->getBoundingBox( amin, amax );
obstacles->Search( amin, amax, LabelPosition::polygonObstacleCallback, pCost );
lp->setCost( pCost->getCost() );
delete pCost;
}
bool LabelPosition::polygonObstacleCallback( PointSet *feat, void *ctx )
{
PolygonCostCalculator *pCost = ( PolygonCostCalculator* ) ctx;
LabelPosition *lp = pCost->getLabel();
if (( feat == lp->feature ) || ( feat->getHoleOf() && feat->getHoleOf() != lp->feature ) )
{
return true;
}
pCost->update( feat );
return true;
}
bool LabelPosition::polygonObstacleCallback( FeaturePart *obstacle, void *ctx )
{
PolygonCostCalculator *pCost = ( PolygonCostCalculator* ) ctx;
LabelPosition *lp = pCost->getLabel();
if (( obstacle == lp->feature ) || ( obstacle->getHoleOf() && obstacle->getHoleOf() != lp->feature ) )
{
return true;
}
pCost->update( obstacle );
return true;
}