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/*LICENSE_START*/
/*
* Copyright 1995-2002 Washington University School of Medicine
*
* http://brainmap.wustl.edu
*
* This file is part of CARET.
*
* CARET is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* CARET 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 CARET; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*LICENSE_END*/
#include "BrainSet.h"
#include "CommandStatisticSetRandomSeed.h"
#include "FileFilters.h"
#include "PreferencesFile.h"
#include "ProgramParameters.h"
#include "ScriptBuilderParameters.h"
/**
* constructor.
*/
CommandStatisticSetRandomSeed::CommandStatisticSetRandomSeed()
: CommandBase("-statistic-set-random-seed",
"STATISTICS SET RANDOM SEED")
{
}
/**
* destructor.
*/
CommandStatisticSetRandomSeed::~CommandStatisticSetRandomSeed()
{
}
/**
* get the script builder parameters.
*/
void
CommandStatisticSetRandomSeed::getScriptBuilderParameters(ScriptBuilderParameters& paramsOut) const
{
paramsOut.clear();
}
/**
* get full help information.
*/
QString
CommandStatisticSetRandomSeed::getHelpInformation() const
{
QString helpInfo =
(indent3 + getShortDescription() + "\n"
+ indent6 + parameters->getProgramNameWithoutPath() + " " + getOperationSwitch() + " \n"
+ indent9 + " <seed>\n"
+ indent9 + "\n"
+ indent9 + "Set the seed for the random number generator.\n"
+ indent9 + "\n"
+ indent9 + "Set \"seed\" to a positive integer. Using the same seed \n"
+ indent9 + "results in the same sequence of random numbers being \n"
+ indent9 + "generated. \n"
+ indent9 + "\n"
+ indent9 + "This command sets the random seed that is stored in the \n"
+ indent9 + "user's Preferences File. The preferences file is read \n"
+ indent9 + "and the random seed is used each time a Caret program (the\n"
+ indent9 + "caret5 GUI or caret_command) is started.\n"
+ indent9 + "\n");
return helpInfo;
}
/**
* execute the command.
*/
void
CommandStatisticSetRandomSeed::executeCommand() throw (BrainModelAlgorithmException,
CommandException,
FileException,
ProgramParametersException,
StatisticException)
{
//
// Get the parameters
//
const unsigned int seedValue = parameters->getNextParameterAsInt("Seed");
if (seedValue <= 1) {
throw CommandException("Random seed must be greater than or equal to one.");
}
checkForExcessiveParameters();
//
// Set the seed
//
BrainSet bs;
PreferencesFile* pf = bs.getPreferencesFile();
pf->setRandomSeedOverride(true);
pf->setRandomSeedOverrideValue(seedValue);
try {
pf->writeFile(pf->getFileName());
}
catch (FileException& e) {
throw CommandException(e.whatQString());
}
}
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