From 73fbc05a6b6af52825c792902d7738f9cad7ec2f Mon Sep 17 00:00:00 2001
From: fredb <fredb>
Date: Sun, 14 Jun 2009 11:01:37 +0000
Subject: [PATCH] Projection matrix and texture size should be coherent

---
 src/Instrumentation/od_gauge.cxx | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/Instrumentation/od_gauge.cxx b/src/Instrumentation/od_gauge.cxx
index 820f0a9d8..e5eed1efc 100644
--- a/src/Instrumentation/od_gauge.cxx
+++ b/src/Instrumentation/od_gauge.cxx
@@ -56,8 +56,7 @@ void FGODGauge::allocRT () {
     camera = new osg::Camera;
     // Only the far camera should trigger this texture to be rendered.
     camera->setNodeMask(simgear::BACKGROUND_BIT);
-    camera->setProjectionMatrix(osg::Matrix::ortho2D(-256.0, 256.0, -256.0,
-            256.0));
+    camera->setProjectionMatrix(osg::Matrix::ortho2D(-textureWH/2.0, textureWH/2.0, -textureWH/2.0, textureWH/2.0));
     camera->setViewport(0, 0, textureWH, textureWH);
     camera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
     camera->setRenderOrder(osg::Camera::PRE_RENDER);