DGtal  1.1.0
labelledMapBestParameters.cpp File Reference
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/base/LabelledMap.h"
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## Functions

void usage ()

int main (int argc, char **argv)

## Detailed Description

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

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, see http://www.gnu.org/licenses/.

Date
2011/03/05

An example file named labelledMapBestParameters.

This file is part of the DGtal library.

Definition in file labelledMapBestParameters.cpp.

## ◆ main()

 int main ( int argc, char ** argv )

Definition at line 50 of file labelledMapBestParameters.cpp.

51 {
52  typedef double Data;
53  if ( argc < 4 )
54  {
55  usage();
56  return 1;
57  }
58
59  std::pair< unsigned int, unsigned int > res =
60  DGtal::detail::argminLabelledMapMemoryUsageForGeometricDistribution<Data>
61  ( atoi( argv[ 1 ] ), atof( argv[ 3 ] ), atof( argv[ 2 ] ) );
62  cout << res.first << " " << res.second << endl;
63  return 0;
64 }

References usage().

## ◆ usage()

 void usage ( )

Definition at line 40 of file labelledMapBestParameters.cpp.

41 {
42  cerr << "Usage: ./labelledMapBestParameters <L> <p> <q>" << endl
43  << " Tries to find the best values N and M which will minimized" << endl
44  << " the memory usage of a LabelledMap, for the distribution" << endl
45  << " specified by the parameters." << endl
46  << " - L: max number of labels." << endl
47  << " - p: If there is a possibility to have a data, this probability is used to define a geometric distribution that defines the number of data (ie valid labels) at this place. The smaller, the higher is the expectation. 0.5 means E(X) = 1.." << endl
48  << " - q: probability that there is no data at this location." << endl;
49 }

Referenced by main().

usage
void usage()
Definition: labelledMapBestParameters.cpp:40