diff --git a/library/PolyVoxCore/include/PolyVoxCore/Region.h b/library/PolyVoxCore/include/PolyVoxCore/Region.h
index 1e20f5b7..3c937ca5 100644
--- a/library/PolyVoxCore/include/PolyVoxCore/Region.h
+++ b/library/PolyVoxCore/include/PolyVoxCore/Region.h
@@ -68,7 +68,6 @@ namespace PolyVox
 		int32_t getLowerX(void) const;
 		int32_t getLowerY(void) const;
 		int32_t getLowerZ(void) const;
-
 		int32_t getUpperX(void) const;
 		int32_t getUpperY(void) const;
 		int32_t getUpperZ(void) const;
@@ -96,6 +95,13 @@ namespace PolyVox
 
 		bool isValid(void);
 
+		void setLowerX(int32_t iX);
+		void setLowerY(int32_t iY);
+		void setLowerZ(int32_t iZ);
+		void setUpperX(int32_t iX);
+		void setUpperY(int32_t iY);
+		void setUpperZ(int32_t iZ);
+
 		void setLowerCorner(const Vector3DInt32& v3dLowerCorner);
 		void setUpperCorner(const Vector3DInt32& v3dUpperCorner);
 
@@ -114,6 +120,9 @@ namespace PolyVox
 		void shiftLowerCorner(const Vector3DInt32& amount);
 		void shiftUpperCorner(const Vector3DInt32& amount);
 		//FIXME - Add dilate and erode functions?
+
+		void dilate(int32_t amount);
+		void erode(int32_t amount);
 		
 
 	private:
diff --git a/library/PolyVoxCore/source/Region.cpp b/library/PolyVoxCore/source/Region.cpp
index aa6bb957..e3c9a4ba 100644
--- a/library/PolyVoxCore/source/Region.cpp
+++ b/library/PolyVoxCore/source/Region.cpp
@@ -177,6 +177,36 @@ namespace PolyVox
 		return (m_iUpperX >= m_iLowerX) && (m_iUpperY >= m_iLowerY) && (m_iUpperZ >= m_iLowerZ);
 	}
 
+	void Region::setLowerX(int32_t iX)
+	{
+		m_iLowerX = iX;
+	}
+
+	void Region::setLowerY(int32_t iY)
+	{
+		m_iLowerY = iY;
+	}
+
+	void Region::setLowerZ(int32_t iZ)
+	{
+		m_iLowerZ = iZ;
+	}
+
+	void Region::setUpperX(int32_t iX)
+	{
+		m_iUpperX = iX;
+	}
+
+	void Region::setUpperY(int32_t iY)
+	{
+		m_iUpperY = iY;
+	}
+
+	void Region::setUpperZ(int32_t iZ)
+	{
+		m_iUpperZ = iZ;
+	}
+
 	void Region::setLowerCorner(const Vector3DInt32& v3dLowerCorner)
 	{
 		m_iLowerX = v3dLowerCorner.getX();
@@ -276,4 +306,26 @@ namespace PolyVox
 		m_iUpperY += amount.getY();
 		m_iUpperZ += amount.getZ();
 	}
+
+	void Region::dilate(int32_t amount)
+	{
+		m_iLowerX -= amount;
+		m_iLowerY -= amount;
+		m_iLowerZ -= amount;
+
+		m_iUpperX += amount;
+		m_iUpperY += amount;
+		m_iUpperZ += amount;
+	}
+
+	void Region::erode(int32_t amount)
+	{
+		m_iLowerX += amount;
+		m_iLowerY += amount;
+		m_iLowerZ += amount;
+
+		m_iUpperX -= amount;
+		m_iUpperY -= amount;
+		m_iUpperZ -= amount;
+	}
 }