Add polar position allocator

model/leo-polar-position-allocator.h

@@ -0,0 +1,45 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+
+#ifndef LEO_POLAR_POSITION_ALLOCATOR_H
+#define LEO_POLAR_POSITION_ALLOCATOR_H
+
+#include "ns3/position-allocator.h"
+
+#define LEO_GND_RAD_EARTH 6.371e6
+
+namespace ns3 {
+
+/**
+ * \brief Allocate pairs of latitude and longitude.
+ */
+class LeoPolarPositionAllocator : public PositionAllocator
+{
+public:
+  /**
+   * Register this type with the TypeId system.
+   * \return the object TypeId
+   */
+  static TypeId GetTypeId ();
+
+  LeoPolarPositionAllocator ();
+  virtual ~LeoPolarPositionAllocator ();
+
+  virtual Vector GetNext (void) const;
+  virtual int64_t AssignStreams (int64_t stream);
+
+private:
+  double m_latStart;
+  double m_lonStart;
+
+  double m_latEnd;
+  double m_lonEnd;
+
+  double m_step;
+
+  mutable double m_lat;
+  mutable double m_lon;
+};
+
+};
+
+#endif