From 5cc84a290412619fc37bbdde9417e5198a957a6e Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Tue, 24 May 2005 10:39:06 +0000
Subject: [PATCH] add IsPlanarInput()

---
 src/PIPELINE/VISU_PipeLine.cxx | 20 +++++++++++++++++++-
 src/PIPELINE/VISU_PipeLine.hxx |  2 ++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/PIPELINE/VISU_PipeLine.cxx b/src/PIPELINE/VISU_PipeLine.cxx
index a5a36ad6..0c8223cd 100644
--- a/src/PIPELINE/VISU_PipeLine.cxx
+++ b/src/PIPELINE/VISU_PipeLine.cxx
@@ -31,7 +31,7 @@
 
 #include "SALOME_ExtractGeometry.h"
 
-#include <limits.h>
+#include <float.h>
 
 #include <vtkObjectFactory.h>
 #include <vtkDataSetMapper.h>
@@ -286,3 +286,21 @@ void VISU_PipeLine::GetPlaneParam (float theDir[3], float& theDist, vtkPlane* th
   thePlane->GetOrigin(anOrigin);
   ::PositionToDistance(GetInput(),theDir,anOrigin,theDist);
 }
+
+//=======================================================================
+//function : IsPlanarInput
+//purpose  : 
+//=======================================================================
+
+bool VISU_PipeLine::IsPlanarInput() const
+{
+  float aBounds[6];
+  GetInput()->GetBounds( aBounds ); // xmin,xmax, ymin,ymax, zmin,zmax
+  if (fabs( aBounds[0] - aBounds[1] ) <= FLT_MIN ||
+      fabs( aBounds[2] - aBounds[3] ) <= FLT_MIN ||
+      fabs( aBounds[4] - aBounds[5] ) <= FLT_MIN )
+    return true;
+
+  return false;
+}
+
diff --git a/src/PIPELINE/VISU_PipeLine.hxx b/src/PIPELINE/VISU_PipeLine.hxx
index 7267531e..91491e59 100644
--- a/src/PIPELINE/VISU_PipeLine.hxx
+++ b/src/PIPELINE/VISU_PipeLine.hxx
@@ -80,6 +80,8 @@ public:
   virtual void SetInput(TInput* theInput);
   virtual TInput* GetInput() const;
 
+  bool IsPlanarInput() const;
+
   typedef vtkDataSetMapper TMapper;
   virtual TMapper* GetMapper();
 
-- 
2.39.2