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box of a more reasonable size for a single point

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This commit is contained in:
Leyan 2014-05-20 19:51:39 +08:00
parent fb5ec3bc96
commit a14744c53f
1 changed files with 14 additions and 8 deletions
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22
src/core/qgsvectorlayereditutils.cpp
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@ -233,10 +233,13 @@ int QgsVectorLayerEditUtils::splitFeatures( const QList<QgsPoint>& splitLine, bo
else
{
//If we have a single point, we still create a non-null box
bBox.setXMinimum( bBox.xMinimum() - 1 );
bBox.setXMaximum( bBox.xMaximum() + 1 );
bBox.setYMinimum( bBox.yMinimum() - 1 );
bBox.setYMaximum( bBox.yMaximum() + 1 );
double bufferDistance = 0.000001;
if ( L->crs().geographicFlag() )
bufferDistance = 0.00000001;
bBox.setXMinimum( bBox.xMinimum() - bufferDistance );
bBox.setXMaximum( bBox.xMaximum() + bufferDistance );
bBox.setYMinimum( bBox.yMinimum() - bufferDistance );
bBox.setYMaximum( bBox.yMaximum() + bufferDistance );
}
}
@ -367,10 +370,13 @@ int QgsVectorLayerEditUtils::splitParts( const QList<QgsPoint>& splitLine, bool
else
{
//If we have a single point, we still create a non-null box
bBox.setXMinimum( bBox.xMinimum() - 1 );
bBox.setXMaximum( bBox.xMaximum() + 1 );
bBox.setYMinimum( bBox.yMinimum() - 1 );
bBox.setYMaximum( bBox.yMaximum() + 1 );
double bufferDistance = 0.000001;
if ( L->crs().geographicFlag() )
bufferDistance = 0.00000001;
bBox.setXMinimum( bBox.xMinimum() - bufferDistance );
bBox.setXMaximum( bBox.xMaximum() + bufferDistance );
bBox.setYMinimum( bBox.yMinimum() - bufferDistance );
bBox.setYMaximum( bBox.yMaximum() + bufferDistance );
}
}