diff --git a/examples/OpenGL/main.cpp b/examples/OpenGL/main.cpp
index 22ad8e6f..9930082a 100644
--- a/examples/OpenGL/main.cpp
+++ b/examples/OpenGL/main.cpp
@@ -102,7 +102,7 @@ int main(int argc, char *argv[])
 	createCubeInVolume(volData, Vector3DInt32(midPos-10, midPos-10 ,1), Vector3DInt32(midPos+10, midPos+10, maxPos-1), MaterialDensityPair44::getMaxDensity());
 
 	//Smooth part of the volume
-	RawVolume<MaterialDensityPair44> tempVolume(Region(0,0,0,128, 128, 128));
+	RawVolume<MaterialDensityPair44> tempVolume(PolyVox::Region(0,0,0,128, 128, 128));
 	LowPassFilter<LargeVolume, RawVolume, MaterialDensityPair44> pass1(&volData, PolyVox::Region(Vector3DInt32(62, 62, 62), Vector3DInt32(126, 126, 126)), &tempVolume, PolyVox::Region(Vector3DInt32(62, 62, 62), Vector3DInt32(126, 126, 126)), 3);
 	pass1.executeSAT();
 	LowPassFilter<RawVolume, LargeVolume, MaterialDensityPair44> pass2(&tempVolume, PolyVox::Region(Vector3DInt32(62, 62, 62), Vector3DInt32(126, 126, 126)), &volData, PolyVox::Region(Vector3DInt32(62, 62, 62), Vector3DInt32(126, 126, 126)), 3);
diff --git a/library/PolyVoxCore/include/PolyVoxCore/Density.h b/library/PolyVoxCore/include/PolyVoxCore/Density.h
index 5994b0f3..da0d14c7 100644
--- a/library/PolyVoxCore/include/PolyVoxCore/Density.h
+++ b/library/PolyVoxCore/include/PolyVoxCore/Density.h
@@ -26,6 +26,8 @@ freely, subject to the following restrictions:
 
 #include "PolyVoxImpl/TypeDef.h"
 
+#include <cassert>
+
 namespace PolyVox
 {
 	///This class represents a voxel storing only a density.
@@ -61,7 +63,7 @@ namespace PolyVox
 		Type getMaterial() const throw() { return 1; }
 
 		void setDensity(Type uDensity) { m_uDensity = uDensity; }
-		void setMaterial(Type uMaterial) { assert("Cannot set material on voxel of type 'Density'"); }
+		void setMaterial(Type uMaterial) { assert(false); } //Cannot set material on voxel of type Density
 
 		static Type getMaxDensity() throw() { return (0x01 << (sizeof(Type) * 8)) - 1; } 
 		static Type getMinDensity() throw() { return 0; }
diff --git a/library/PolyVoxCore/include/PolyVoxCore/LowPassFilter.inl b/library/PolyVoxCore/include/PolyVoxCore/LowPassFilter.inl
index b3f6fce5..9e6bc66d 100644
--- a/library/PolyVoxCore/include/PolyVoxCore/LowPassFilter.inl
+++ b/library/PolyVoxCore/include/PolyVoxCore/LowPassFilter.inl
@@ -62,7 +62,7 @@ namespace PolyVox
 		//int32_t iDstMaxY = m_regDst.getUpperCorner().getY();
 		//int32_t iDstMaxZ = m_regDst.getUpperCorner().getZ();
 
-		SrcVolumeType<VoxelType>::Sampler srcSampler(m_pVolSrc);
+		typename SrcVolumeType<VoxelType>::Sampler srcSampler(m_pVolSrc);
 
 		for(int32_t iSrcZ = iSrcMinZ, iDstZ = iDstMinZ; iSrcZ <= iSrcMaxZ; iSrcZ++, iDstZ++)
 		{
@@ -144,9 +144,9 @@ namespace PolyVox
 		satIterCont.m_Iter = &satVolumeIter;
 		satIterCont.reset();
 
-		SrcVolumeType<VoxelType>::Sampler srcVolumeIter(m_pVolSrc);
+		typename SrcVolumeType<VoxelType>::Sampler srcVolumeIter(m_pVolSrc);
 
-		IteratorController<SrcVolumeType<VoxelType>::Sampler> srcIterCont;
+		IteratorController<typename SrcVolumeType<VoxelType>::Sampler> srcIterCont;
 		srcIterCont.m_regValid = Region(satLowerCorner, satUpperCorner);
 		srcIterCont.m_Iter = &srcVolumeIter;
 		srcIterCont.reset();
diff --git a/library/PolyVoxCore/include/PolyVoxCore/Material.h b/library/PolyVoxCore/include/PolyVoxCore/Material.h
index 040c482a..445961b0 100644
--- a/library/PolyVoxCore/include/PolyVoxCore/Material.h
+++ b/library/PolyVoxCore/include/PolyVoxCore/Material.h
@@ -75,7 +75,7 @@ namespace PolyVox
 
 		Type getMaterial() const throw() { return m_uMaterial; }
 
-		void setDensity(Type /*uDensity*/) { assert("Cannot set density on voxel of type 'Material'"); }
+		void setDensity(Type /*uDensity*/) { assert(false); } //Cannot set density on voxel of type Material
 		void setMaterial(Type uMaterial) { m_uMaterial = uMaterial; }
 
 		static Type getMaxDensity() throw() { return 2; }
diff --git a/library/PolyVoxCore/include/PolyVoxCore/RawVolume.inl b/library/PolyVoxCore/include/PolyVoxCore/RawVolume.inl
index c6d0f62e..93e41ca1 100644
--- a/library/PolyVoxCore/include/PolyVoxCore/RawVolume.inl
+++ b/library/PolyVoxCore/include/PolyVoxCore/RawVolume.inl
@@ -76,7 +76,7 @@ namespace PolyVox
 	{
 		if(this->m_regValidRegion.containsPoint(Vector3DInt32(uXPos, uYPos, uZPos)))
 		{
-			const Vector3DInt32& v3dLowerCorner = m_regValidRegion.getLowerCorner();
+			const Vector3DInt32& v3dLowerCorner = this->m_regValidRegion.getLowerCorner();
 			int32_t iLocalXPos = uXPos - v3dLowerCorner.getX();
 			int32_t iLocalYPos = uYPos - v3dLowerCorner.getY();
 			int32_t iLocalZPos = uZPos - v3dLowerCorner.getZ();
@@ -125,7 +125,7 @@ namespace PolyVox
 	{
 		if(this->m_regValidRegion.containsPoint(Vector3DInt32(uXPos, uYPos, uZPos)))
 		{
-			const Vector3DInt32& v3dLowerCorner = m_regValidRegion.getLowerCorner();
+			const Vector3DInt32& v3dLowerCorner = this->m_regValidRegion.getLowerCorner();
 			int32_t iLocalXPos = uXPos - v3dLowerCorner.getX();
 			int32_t iLocalYPos = uYPos - v3dLowerCorner.getY();
 			int32_t iLocalZPos = uZPos - v3dLowerCorner.getZ();
diff --git a/library/PolyVoxCore/include/PolyVoxCore/RawVolumeSampler.inl b/library/PolyVoxCore/include/PolyVoxCore/RawVolumeSampler.inl
index 7f2d70f7..3d40273c 100644
--- a/library/PolyVoxCore/include/PolyVoxCore/RawVolumeSampler.inl
+++ b/library/PolyVoxCore/include/PolyVoxCore/RawVolumeSampler.inl
@@ -93,9 +93,9 @@ namespace PolyVox
 
 		mCurrentVoxel = this->mVolume->m_pData + uVoxelIndex;
 
-		m_bIsCurrentPositionValidInX = mVolume->getEnclosingRegion().containsPointInX(xPos);
-		m_bIsCurrentPositionValidInY = mVolume->getEnclosingRegion().containsPointInY(yPos);
-		m_bIsCurrentPositionValidInZ = mVolume->getEnclosingRegion().containsPointInZ(zPos);
+		m_bIsCurrentPositionValidInX = this->mVolume->getEnclosingRegion().containsPointInX(xPos);
+		m_bIsCurrentPositionValidInY = this->mVolume->getEnclosingRegion().containsPointInY(yPos);
+		m_bIsCurrentPositionValidInZ = this->mVolume->getEnclosingRegion().containsPointInZ(zPos);
 	}
 
 	template <typename VoxelType>