void testPointInPolygon()
{
QgsPointLocator loc( mVL );
QgsPointLocator::MatchList mValid = loc.pointInPolygon( QgsPointXY( 0.8, 0.8 ) );
QCOMPARE( mValid.count(), 1 );
QgsPointLocator::Match m = mValid[0];
QVERIFY( m.isValid() );
QVERIFY( m.hasArea() );
QCOMPARE( m.layer(), mVL );
QCOMPARE( m.featureId(), ( QgsFeatureId )1 );
QgsPointLocator::MatchList mInvalid = loc.pointInPolygon( QgsPointXY( 0, 0 ) );
QCOMPARE( mInvalid.count(), 0 );
}
void testLayerUpdates()
{
QgsPointLocator loc( mVL );
QgsPointLocator::Match mAddV0 = loc.nearestVertex( QgsPointXY( 12, 12 ), 999 );
QVERIFY( mAddV0.isValid() );
QCOMPARE( mAddV0.point(), QgsPointXY( 1, 1 ) );
mVL->startEditing();
// add a new feature
QgsFeature ff( 0 );
QgsPolygon polygon;
QgsPolyline polyline;
polyline << QgsPointXY( 10, 11 ) << QgsPointXY( 11, 10 ) << QgsPointXY( 11, 11 ) << QgsPointXY( 10, 11 );
polygon << polyline;
QgsGeometry ffGeom = QgsGeometry::fromPolygon( polygon ) ;
ff.setGeometry( ffGeom );
QgsFeatureList flist;
flist << ff;
bool resA = mVL->addFeature( ff );
QVERIFY( resA );
// verify it is added in the point locator
QgsPointLocator::Match mAddV = loc.nearestVertex( QgsPointXY( 12, 12 ), 999 );
QVERIFY( mAddV.isValid() );
QCOMPARE( mAddV.point(), QgsPointXY( 11, 11 ) );
QgsPointLocator::Match mAddE = loc.nearestEdge( QgsPointXY( 11.1, 10.5 ), 999 );
QVERIFY( mAddE.isValid() );
QCOMPARE( mAddE.point(), QgsPointXY( 11, 10.5 ) );
QgsPointLocator::MatchList mAddA = loc.pointInPolygon( QgsPointXY( 10.8, 10.8 ) );
QVERIFY( mAddA.count() == 1 );
// change geometry
QgsGeometry *newGeom = new QgsGeometry( ff.geometry() );
newGeom->moveVertex( 10, 10, 2 ); // change 11,11 to 10,10
mVL->changeGeometry( ff.id(), *newGeom );
delete newGeom;
// verify it is changed in the point locator
QgsPointLocator::Match mChV = loc.nearestVertex( QgsPointXY( 12, 12 ), 999 );
QVERIFY( mChV.isValid() );
QVERIFY( mChV.point() != QgsPointXY( 11, 11 ) ); // that point does not exist anymore
mChV = loc.nearestVertex( QgsPointXY( 9, 9 ), 999 );
QVERIFY( mChV.isValid() );
QVERIFY( mChV.point() == QgsPointXY( 10, 10 ) ); // updated point
// delete feature
bool resD = mVL->deleteFeature( ff.id() );
QVERIFY( resD );
// verify it is deleted from the point locator
QgsPointLocator::Match mDelV = loc.nearestVertex( QgsPointXY( 12, 12 ), 999 );
QVERIFY( mDelV.isValid() );
QCOMPARE( mDelV.point(), QgsPointXY( 1, 1 ) );
mVL->rollBack();
}
void testEdgesInTolerance()
{
QgsPointLocator loc( mVL );
QgsPointLocator::MatchList lst = loc.edgesInRect( QgsPointXY( 0, 0 ), 2 );
QCOMPARE( lst.count(), 3 );
QgsPointLocator::MatchList lst2 = loc.edgesInRect( QgsPointXY( 0, 0 ), 0.9 );
QCOMPARE( lst2.count(), 1 );
// test match filtering
FilterExcludeEdge myFilter( QgsPointXY( 1, 0 ), QgsPointXY( 0, 1 ) );
QgsPointLocator::MatchList lst3 = loc.edgesInRect( QgsPointXY( 0, 0 ), 2, &myFilter );
QCOMPARE( lst3.count(), 2 );
}
void testVerticesInRect()
{
QgsPointLocator loc( mVL );
QgsPointLocator::MatchList lst = loc.verticesInRect( QgsPointXY( 1, 0 ), 2 );
QCOMPARE( lst.count(), 4 );
QCOMPARE( lst[0].point(), QgsPointXY( 1, 0 ) );
QCOMPARE( lst[0].distance(), 0. );
QCOMPARE( lst[1].point(), QgsPointXY( 1, 1 ) );
QCOMPARE( lst[1].distance(), 1. );
QCOMPARE( lst[2].point(), QgsPointXY( 0, 1 ) );
QCOMPARE( lst[2].distance(), std::sqrt( 2 ) );
QgsPointLocator::MatchList lst2 = loc.verticesInRect( QgsPointXY( 1, 0 ), 1 );
QCOMPARE( lst2.count(), 2 );
// test match filtering
FilterExcludePoint myFilter( QgsPointXY( 1, 0 ) );
QgsPointLocator::MatchList lst3 = loc.verticesInRect( QgsPointXY( 1, 0 ), 1, &myFilter );
QCOMPARE( lst3.count(), 1 );
QCOMPARE( lst3[0].point(), QgsPointXY( 1, 1 ) );
}