mirror of
https://gitlab.ibr.cs.tu-bs.de/tschuber/ns-3-leo.git
synced 2025-06-08 18:13:57 +02:00
76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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#include "math.h"
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#include "ns3/double.h"
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#include "ns3/uinteger.h"
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#include "ns3/log.h"
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#include "leo-polar-position-allocator.h"
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namespace ns3 {
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NS_OBJECT_ENSURE_REGISTERED (LeoPolarPositionAllocator);
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NS_LOG_COMPONENT_DEFINE ("LeoPolarPositionAllocator");
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LeoPolarPositionAllocator::LeoPolarPositionAllocator ()
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: m_latNum (1), m_lonNum (1), m_lat (0), m_lon (0)
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{}
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LeoPolarPositionAllocator::~LeoPolarPositionAllocator ()
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{}
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TypeId
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LeoPolarPositionAllocator::GetTypeId (void)
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{
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static TypeId tid = TypeId ("ns3::LeoPolarPositionAllocator")
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.SetParent<PositionAllocator> ()
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.SetGroupName ("Leo")
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.AddConstructor<LeoPolarPositionAllocator> ()
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.AddAttribute ("LatNum",
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"The number nodes along one latitude",
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UintegerValue (10),
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MakeUintegerAccessor (&LeoPolarPositionAllocator::m_latNum),
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MakeUintegerChecker<uint32_t> ())
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.AddAttribute ("LonNum",
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"The number nodes along one longitude",
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UintegerValue (10),
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MakeUintegerAccessor (&LeoPolarPositionAllocator::m_lonNum),
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MakeUintegerChecker<uint32_t> ())
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;
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return tid;
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}
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int64_t
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LeoPolarPositionAllocator::AssignStreams (int64_t stream)
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{
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NS_LOG_FUNCTION (this << stream);
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return -1;
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}
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Vector
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LeoPolarPositionAllocator::GetNext () const
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{
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NS_LOG_FUNCTION (this);
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double lat = m_lat * (M_PI / m_latNum);
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double lon = m_lon * (2 * M_PI / m_lonNum);
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Vector3D next = Vector3D (LEO_GND_RAD_EARTH * sin (lat) * cos (lon),
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LEO_GND_RAD_EARTH * sin (lat) * sin (lon),
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LEO_GND_RAD_EARTH * cos (lat));
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m_lat ++;
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if (m_lat > m_latNum)
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{
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m_lat = 0;
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m_lon = (m_lon+1) % m_lonNum;
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}
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NS_LOG_INFO ("Ground station at " << lat << ":" << lon << " -> " << next);
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return next;
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}
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};
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