Reset proj error before attempting transforms, avoids older errors

contaminating result of transform
qgis · May 21, 2019 · 9222f23 · 9222f23
1 parent 5cd8cb6
commit 9222f23
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/core/qgscoordinatetransform.cpp b/src/core/qgscoordinatetransform.cpp
@@ -636,6 +636,7 @@ void QgsCoordinateTransform::transformCoords( int numPoints, double *x, double *
 #if PROJ_VERSION_MAJOR>=6
   const bool sourceAxisOrderSwapped =  direction == ForwardTransform ? d->mSourceAxisOrderSwapped : d->mDestAxisOrderSwapped;
 
+  proj_errno_reset( projData );
   proj_trans_generic( projData, direction == ForwardTransform ? PJ_FWD : PJ_INV,
                       !sourceAxisOrderSwapped ? x : y, sizeof( double ), numPoints,
                       !sourceAxisOrderSwapped ? y : x, sizeof( double ), numPoints,