From bbc9435c231e87d213b394021b2fe67aabfbc413 Mon Sep 17 00:00:00 2001
From: mkr <mkr@opencascade.com>
Date: Tue, 17 Nov 2015 19:36:57 +0300
Subject: [PATCH] refs #712: show warning in GUI, if the number of land covers
 is not changed after split operation.

---
 src/HYDROData/HYDROData_LandCoverMap.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/HYDROData/HYDROData_LandCoverMap.cxx b/src/HYDROData/HYDROData_LandCoverMap.cxx
index 1187916c..74775ac9 100644
--- a/src/HYDROData/HYDROData_LandCoverMap.cxx
+++ b/src/HYDROData/HYDROData_LandCoverMap.cxx
@@ -573,7 +573,9 @@ bool HYDROData_LandCoverMap::Split( const Handle( HYDROData_PolylineXY )& thePol
 */
 bool HYDROData_LandCoverMap::Split( const TopoDS_Shape& theShape )
 {
-  return LocalPartition( theShape, "" );
+  int aNbCL = GetLCCount();
+  bool aResult = LocalPartition( theShape, "" );
+  return aResult && aNbCL != GetLCCount();
 }
 
 
-- 
2.39.2