Add grid->isInterfaceDomainBorder(interId or inter)

Add grid->isInterfaceDomainBorder(interId or inter)

src/core/Grid.cpp

@@ -233,6 +233,22 @@ bool Grid::hasVertexOnBorder(const int& interId,
   return hasVertexOnBord;
 }
 
+bool Grid::isInterfaceDomainBorder(const long& id)
+{
+  return isInterfaceDomainBorder(this->getInterface(id));
+}
+
+bool Grid::isInterfaceDomainBorder(const bitpit::Interface& inter)
+{
+  bitpit::Cell& cell = this->getCell(inter.getOwner());
+  
+  if (inter.isBorder() && cell.isInterior())
+  {
+    return true;
+  }
+  return false;
+}
+
 bool Grid::isBorder(const long& id)
 {