Operator-Base: access stored discrete material

Common/operator_base.h

@@ -81,6 +81,8 @@ public:
 	//! Check storage flags and cleanup
 	virtual void CleanupMaterialStorage() = 0;
 
+	//! Get stored discrete material (if storage is enabled).
+	virtual double GetDiscMaterial(int type, int ny, const unsigned int pos[3]) const = 0;
 
 protected:
 	Operator_Base();

FDTD/operator.cpp

@@ -669,6 +669,30 @@ void Operator::CleanupMaterialStorage()
 	}
 }
 
+double Operator::GetDiscMaterial(int type, int n, const unsigned int pos[3]) const
+{
+	switch (type)
+	{
+	case 0:
+		if (m_epsR==0)
+			return 0;
+		return m_epsR[n][pos[0]][pos[1]][pos[2]];
+	case 1:
+		if (m_kappa==0)
+			return 0;
+		return m_kappa[n][pos[0]][pos[1]][pos[2]];
+	case 2:
+		if (m_mueR==0)
+			return 0;
+		return m_mueR[n][pos[0]][pos[1]][pos[2]];
+	case 3:
+		if (m_sigma==0)
+			return 0;
+		return m_sigma[n][pos[0]][pos[1]][pos[2]];
+	}
+	return 0;
+}
+
 void Operator::InitExcitation()
 {
 	delete Exc;

FDTD/operator.h

@@ -120,6 +120,8 @@ public:
 
 	virtual void CleanupMaterialStorage();
 
+	virtual double GetDiscMaterial(int type, int ny, const unsigned int pos[3]) const;
+
 protected:
 	//! use New() for creating a new Operator
 	Operator();