From f840bd4a6fc0be139aa74eeff33560988fecf21e Mon Sep 17 00:00:00 2001
From: Dario Sassi <dario.s@egaltech.com>
Date: Tue, 5 Nov 2019 17:21:07 +0000
Subject: [PATCH] EgtGeomKernel 2.1k1 : - a Polygon3d aggiunta ClearSides -
 piccola correzione in GetSurfTriMeshPlaneInBox.

---
 EgtGeomKernel.rc | Bin 11718 -> 11718 bytes
 Polygon3d.cpp    |  10 +++++++++-
 StmStandard.cpp  |   2 +-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/EgtGeomKernel.rc b/EgtGeomKernel.rc
index b490063aad8da49c475cb4411cca5602210a1763..6716bf9b9793bfe0c951c0556c11e6ad6328245b 100644
GIT binary patch
delta 134
zcmX>WeJpyz4>ndq1|0^&&G-4vGfl1&(wY2&Q-wL3!Emyou<m9bu09sHyfrhDxEtf<
Y3Bn%CI3@d}ktDI2?7_IXNI8TH0AxKSumAu6

delta 134
zcmX>WeJpyz4>nc<1|0^Y&G-4vGfl1&(wY2&Q-wK;!DzCgu<m9bu09sHyfrhDxEtf<
Y3Bn%CI3@d}ktDI2?7_IXNI8TH0AwX4umAu6

diff --git a/Polygon3d.cpp b/Polygon3d.cpp
index 997788b..473348e 100644
--- a/Polygon3d.cpp
+++ b/Polygon3d.cpp
@@ -26,6 +26,14 @@ Polygon3d::Clear( void)
    return true ;
 }
 
+//----------------------------------------------------------------------------
+bool
+Polygon3d::ClearSides( void)
+{
+   m_vVert.clear() ;
+   return true ;
+}
+
 //----------------------------------------------------------------------------
 bool
 Polygon3d::FromRectangle( double dDimX, double dDimY)
@@ -181,7 +189,7 @@ Polygon3d::Trim( const Plane3d& plPlane, bool bInVsOut, bool bOnEq)
 bool
 Polygon3d::Trim( const Polygon3d& plyOther, bool bInVsOut, bool bOnEq)
 {
-   if ( GetSideCount() == 0  ||  plyOther.GetSideCount() == 0)
+   if ( GetSideCount() == 0  ||  ! plyOther.IsValid())
       return true ;
    return Trim( plyOther.m_Plane, bInVsOut, bOnEq) ;
 }
diff --git a/StmStandard.cpp b/StmStandard.cpp
index b32142e..d023e1d 100644
--- a/StmStandard.cpp
+++ b/StmStandard.cpp
@@ -170,7 +170,7 @@ GetSurfTriMeshPlaneInBox( const Plane3d& plPlane, const BBox3d& b3Box)
   // creo la trimesh con questo contorno
    PtrOwner<ISurfTriMesh> pStm( CreateSurfTriMesh()) ;
    if ( IsNull( pStm)  ||  ! pStm->CreateByFlatContour( Polyg.GetPolyLine()))
-      return false ;
+      return nullptr ;
   // restituisco la superficie
    return Release( pStm) ;
 }