From 49bfe68c8cebecfba1da2c7a22e3eabaa4243340 Mon Sep 17 00:00:00 2001
From: adv <adv@opencascade.com>
Date: Fri, 24 Jan 2014 06:25:13 +0000
Subject: [PATCH] Calculation af altitude implemented.

---
 src/HYDROData/HYDROData_ObstacleAltitude.cxx | 22 ++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/HYDROData/HYDROData_ObstacleAltitude.cxx b/src/HYDROData/HYDROData_ObstacleAltitude.cxx
index c54a820f..0c300146 100644
--- a/src/HYDROData/HYDROData_ObstacleAltitude.cxx
+++ b/src/HYDROData/HYDROData_ObstacleAltitude.cxx
@@ -1,8 +1,13 @@
 
 #include "HYDROData_ObstacleAltitude.h"
+
 #include "HYDROData_Document.h"
+#include "HYDROData_Object.h"
+#include "HYDROData_Projection.h"
+
+#include <Precision.hxx>
 
-#include <QStringList>
+#include <TopoDS_Shape.hxx>
 
 IMPLEMENT_STANDARD_HANDLE(HYDROData_ObstacleAltitude, HYDROData_IAltitudeObject)
 IMPLEMENT_STANDARD_RTTIEXT(HYDROData_ObstacleAltitude, HYDROData_IAltitudeObject)
@@ -20,8 +25,21 @@ double HYDROData_ObstacleAltitude::GetAltitudeForPoint( const gp_XY& thePoint )
 {
   double aResAltitude = GetInvalidAltitude();
 
-  // TODO
+  Handle(HYDROData_Object) anObject =
+    Handle(HYDROData_Object)::DownCast( GetFatherObject() );
+  if ( anObject.IsNull() )
+    return aResAltitude;
+
+  TopoDS_Shape anObjectShape3D = anObject->GetShape3D();
+  if ( anObjectShape3D.IsNull() )
+    return aResAltitude;
+
+  gp_Pnt aHighestPoint;
+
+  HYDROData_Make3dMesh aMesher3D( anObjectShape3D, Precision::Intersection() );
+  aMesher3D.GetHighestOriginal( thePoint.X(), thePoint.Y(), aHighestPoint );
 
+  aResAltitude = aHighestPoint.Z();
   return aResAltitude;
 }
 
-- 
2.39.2