From 2efd52dda2ca660b23424b8a49d3ae28b51afc21 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Wed, 8 Jan 2014 15:56:43 +0000
Subject: [PATCH] Changed near/far values to use CullVisitor::value_type and
 use std::numeric_limits<>.

---
 src/osgVolume/VolumeScene.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/osgVolume/VolumeScene.cpp b/src/osgVolume/VolumeScene.cpp
index 7226b2315..56bd29c45 100644
--- a/src/osgVolume/VolumeScene.cpp
+++ b/src/osgVolume/VolumeScene.cpp
@@ -19,6 +19,7 @@
 #include <osg/io_utils>
 #include <osgDB/ReadFile>
 #include <OpenThreads/ScopedLock>
+#include <limits>
 
 using namespace osgVolume;
 
@@ -302,8 +303,9 @@ void VolumeScene::traverse(osg::NodeVisitor& nv)
         //OSG_NOTICE<<"tileVisited()"<<viewData->_tiles.size()<<std::endl;
 
 
-        double calculatedNearPlane = DBL_MAX;
-        double calculatedFarPlane = -DBL_MAX;
+        typedef osgUtil::CullVisitor::value_type NearFarValueType;
+        NearFarValueType calculatedNearPlane = std::numeric_limits<NearFarValueType>::max();
+        NearFarValueType calculatedFarPlane = -std::numeric_limits<NearFarValueType>::max();
         if (viewData->_rttCamera->getUserValue("CalculatedNearPlane",calculatedNearPlane) &&
             viewData->_rttCamera->getUserValue("CalculatedFarPlane",calculatedFarPlane))
         {