RandomRectanglePositionAllocator

[13634...@qq.com]

1. Dear all,

can you teach me how to use   RandomRectanglePositionAllocator?I want to randomly allocate 100 nodes in a rectangular area.

 I modified the src/mobility/examples/main-topology.cc script in order to test RandomRectanglePositionAllocator.

在此输入#include "ns3/core-module.h"
#include "ns3/mobility-module.h"

using namespace ns3;

static void
CourseChange (std::string context, Ptr<const MobilityModel> position)
{
  Vector pos = position->GetPosition ();
  std::cout << Simulator::Now () << ", pos=" << position << ", x=" << pos.x << ", y=" << pos.y
            << ", z=" << pos.z << std::endl;
}

int main (int argc, char *argv[])
{
  CommandLine cmd;
  cmd.Parse (argc, argv);


  NodeContainer c;
  c.Create (10000);

  MobilityHelper mobility;
  mobility.SetPositionAllocator ("ns3::RandomDiscPositionAllocator",
                                 "X", StringValue ("100.0"),
                                 "Y", StringValue ("100.0"),
                                 "Rho", StringValue ("ns3::UniformRandomVariable[Min=0|Max=30]"));
  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
  mobility.Install (c);

  Config::Connect ("/NodeList/*/$ns3::MobilityModel/CourseChange",
                   MakeCallback (&CourseChange));

  Simulator::Stop (Seconds (100.0));

  Simulator::Run ();

1. 
   
2.   Simulator::Destroy ();
   
3.   return 0;
   
4. }
   

and this is what I changed

在此输mobility.SetPositionAllocator ("ns3::RandomRectanglePositionAllocator",

                                 "X", StringValue ("100.0"),

                                 "Y", StringValue ("100.0"));

but it didnt work:

 ./waf --run scratch/main-random-topology

Waf: Entering directory `/home/d/repos/ns-3-allinone/ns-3.28/build'

Waf: Leaving directory `/home/d/repos/ns-3-allinone/ns-3.28/build'

Build commands will be stored in build/compile_commands.json

'build' finished successfully (17.336s)

assert failed. cond="uid != 0", msg="Assert in TypeId::LookupByName: 100.0 not found", file=../src/core/model/type-id.cc, line=827

terminate called without an active exception

[13634...@qq.com]

在 2018年6月19日星期二 UTC+8上午10:41:04，13634...@qq.com写道：

1. Dear all,

can you teach me how to use   RandomRectanglePositionAllocator?I want to randomly allocate 100 nodes in a rectangular area.

 I modified the src/mobility/examples/main-topology.cc script in order to test RandomRectanglePositionAllocator.

mobility.SetPositionAllocator ("ns3::RandomRectanglePositionAllocator",

                                 "X", StringValue ("100.0"),

                                 "Y", StringValue ("100.0"));

[pdbarnes]

RandomRectanglePositionAllicator takes different attribute. See the API docs:

https://www.nsnam.org/doxygen/classns3_1_1_random_rectangle_position_allocator.html#details

Peter

[13634...@qq.com]

having help me twice,you are really kind and patient.

wish you a happy life!

在 2018年6月19日星期二 UTC+8上午11:20:13，pdbarnes写道：