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Fix incorrect 'left of' calculation when finding nearest point

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to circular string
This commit is contained in:
Nyall Dawson 2017-09-19 11:26:15 +10:00
parent fd3a38fcd8
commit e5b1c67594
1 changed files with 2 additions and 1 deletions
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3
src/core/geometry/qgscircularstring.cpp
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@ -873,7 +873,8 @@ double QgsCircularString::closestPointOnArc( double x1, double y1, double x2, do
if ( leftOf )
{
*leftOf = clockwise ? sqrDistance > radius : sqrDistance < radius;
double sqrDistancePointToCenter = ( pt.x() - centerX ) * ( pt.x() - centerX ) + ( pt.y() - centerY ) * ( pt.y() - centerY );
*leftOf = clockwise ? sqrDistancePointToCenter > radius * radius : sqrDistancePointToCenter < radius * radius;
}
return sqrDistance;