main-grid-topology.cc

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/*
 * Copyright (c) 2006,2007 INRIA
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
#include "ns3/core-module.h"
#include "ns3/mobility-module.h"
#include "ns3/network-module.h"
 
using namespace ns3;
 
int
main(int argc, char* argv[])
{
    CommandLine cmd(__FILE__);
    cmd.Parse(argc, argv);
 
    NodeContainer nodes;
 
    // create an array of empty nodes for testing purposes
    nodes.Create(120);
 
    MobilityHelper mobility;
    // setup the grid itself: objects are laid out
    // started from (-100,-100) with 20 objects per row,
    // the x interval between each object is 5 meters
    // and the y interval between each object is 20 meters
    mobility.SetPositionAllocator("ns3::GridPositionAllocator",
                                  "MinX",
                                  DoubleValue(-100.0),
                                  "MinY",
                                  DoubleValue(-100.0),
                                  "DeltaX",
                                  DoubleValue(5.0),
                                  "DeltaY",
                                  DoubleValue(20.0),
                                  "GridWidth",
                                  UintegerValue(20),
                                  "LayoutType",
                                  StringValue("RowFirst"));
    // each object will be attached a static position.
    // i.e., once set by the "position allocator", the
    // position will never change.
    mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
 
    // finalize the setup by attaching to each object
    // in the input array a position and initializing
    // this position with the calculated coordinates.
    mobility.Install(nodes);
 
    // iterate our nodes and print their position.
    for (auto j = nodes.Begin(); j != nodes.End(); ++j)
    {
        Ptr<Node> object = *j;
        Ptr<MobilityModel> position = object->GetObject<MobilityModel>();
        NS_ASSERT(position);
        Vector pos = position->GetPosition();
        std::cout << "x=" << pos.x << ", y=" << pos.y << ", z=" << pos.z << std::endl;
    }
 
    Simulator::Destroy();
    return 0;
}