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geometry validation: don't consider touching lines as intersection (fixes #3851, fixes #7501, fixes #9580)

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This commit is contained in:
Juergen E. Fischer 2014-02-17 21:40:45 +01:00
parent 7c4c7e897e
commit b9b9bc31b3
1 changed files with 2 additions and 2 deletions
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4
src/core/qgsgeometryvalidator.cpp
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@ -62,7 +62,7 @@ void QgsGeometryValidator::checkRingIntersections(
if ( d >= 0 && d <= v.length() )
{
d = -distLine2Point( ring1[j], w.perpVector(), s );
if ( d >= 0 && d <= w.length() )
if ( d > 0 && d < w.length() )
{
QString msg = QObject::tr( "segment %1 of ring %2 of polygon %3 intersects segment %4 of ring %5 of polygon %6 at %7" )
.arg( i0 ).arg( i ).arg( p0 )
@ -150,7 +150,7 @@ void QgsGeometryValidator::validatePolyline( int i, QgsPolyline line, bool ring
continue;
d = -distLine2Point( line[k], w.perpVector(), s );
if ( d < 0 || d > w.length() )
if ( d <= 0 || d >= w.length() )
continue;
QString msg = QObject::tr( "segments %1 and %2 of line %3 intersect at %4" ).arg( j ).arg( k ).arg( i ).arg( s.toString() );