From f4010f0dce9cc6561ad07cf19c2278baba9a997d Mon Sep 17 00:00:00 2001
From: ganovelli <fabio.ganovelli@isti.cnr.it>
Date: Wed, 7 Dec 2011 13:15:28 +0000
Subject: [PATCH] corrected setOrtho

---
 vcg/math/camera.h | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/vcg/math/camera.h b/vcg/math/camera.h
index d43edbac..db624ece 100644
--- a/vcg/math/camera.h
+++ b/vcg/math/camera.h
@@ -172,12 +172,20 @@ public:
 
 	int cameraType;					/// Type of camera: PERSPECTIVE,ORTHO,ISOMETRIC,CAVALIERI
 
-	void SetOrtho(S dist)
+	void SetOrtho( S l,S r, S b, S t,  vcg::Point2<int> viewport)
 	{ 
 		cameraType = ORTHO;
-		ViewportPx = ( ((ViewportPx[0] * PixelSizeMm[0]) * (ViewportPx[1] * PixelSizeMm[1])) / FocalMm ) * dist;
+		ViewportPx = viewport;
+
+		PixelSizeMm[0] = (r-l) / (S)ViewportPx[0];
+		PixelSizeMm[1] = (t-b) / (S)ViewportPx[1];
+
+		CenterPx[0] = -l/(r-l) * (S)ViewportPx[0];
+		CenterPx[1] = -b/(t-b) * (S)ViewportPx[1];
+		
 	};
 
+
 	bool IsOrtho() const
 	{ 
 		return ( cameraType == ORTHO );