File indexing completed on 2024-12-22 04:18:06

 /***************************************************************************
  *                                                                         *
  *   copyright : (C) 2007 The University of Toronto                        *
  *                   netterfield@astro.utoronto.ca                         *
  *   copyright : (C) 2005  University of British Columbia                  *
  *                   dscott@phas.ubc.ca                                    *
  *                                                                         *
  *   This program 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.                                   *
  *                                                                         *
  ***************************************************************************/
 
 
 #include "noiseaddition.h"
 #include "objectstore.h"
 #include "ui_noiseadditionconfig.h"
 
 #include <gsl/gsl_rng.h>
 #include <gsl/gsl_randist.h>
 
 static const QString& VECTOR_IN = "Vector In";
 static const QString& SCALAR_IN = "Scalar In";
 static const QString& VECTOR_OUT = "Vector Out";
 
 class ConfigNoiseAdditionPlugin : public Kst::DataObjectConfigWidget, public Ui_NoiseAdditionConfig {
   public:
     ConfigNoiseAdditionPlugin(QSettings* cfg) : DataObjectConfigWidget(cfg), Ui_NoiseAdditionConfig() {
       _store = 0;
       setupUi(this);
     }
 
     ~ConfigNoiseAdditionPlugin() {}
 
     void setObjectStore(Kst::ObjectStore* store) { 
       _store = store; 
       _vector->setObjectStore(store);
       _scalarSigma->setObjectStore(store);
       _scalarSigma->setDefaultValue(0);
     }
 
     void setupSlots(QWidget* dialog) {
       if (dialog) {
         connect(_vector, SIGNAL(selectionChanged(QString)), dialog, SIGNAL(modified()));
         connect(_scalarSigma, SIGNAL(selectionChanged(QString)), dialog, SIGNAL(modified()));
       }
     }
 
     Kst::VectorPtr selectedVector() { return _vector->selectedVector(); };
     void setSelectedVector(Kst::VectorPtr vector) { return _vector->setSelectedVector(vector); };
 
     Kst::ScalarPtr selectedScalar() { return _scalarSigma->selectedScalar(); };
     void setSelectedScalar(Kst::ScalarPtr scalar) { return _scalarSigma->setSelectedScalar(scalar); };
 
     virtual void setupFromObject(Kst::Object* dataObject) {
       if (NoiseAdditionSource* source = static_cast<NoiseAdditionSource*>(dataObject)) {
         setSelectedVector(source->vector());
         setSelectedScalar(source->scalarSigma());
       }
     }
 
     virtual bool configurePropertiesFromXml(Kst::ObjectStore *store, QXmlStreamAttributes& attrs) {
       Q_UNUSED(store);
       Q_UNUSED(attrs);
 
       bool validTag = true;
 
 //       QStringRef av;
 //       av = attrs.value("value");
 //       if (!av.isNull()) {
 //         _configValue = QVariant(av.toString()).toBool();
 //       }
 
       return validTag;
     }
 
   public slots:
     virtual void save() {
       if (_cfg) {
         _cfg->beginGroup("Noise Addition DataObject Plugin");
         _cfg->setValue("Input Vector", _vector->selectedVector()->Name());
         _cfg->setValue("Input Scalar Sigma", _scalarSigma->selectedScalar()->Name());
         _cfg->endGroup();
       }
     }
 
     virtual void load() {
       if (_cfg && _store) {
         _cfg->beginGroup("Noise Addition DataObject Plugin");
         QString vectorName = _cfg->value("Input Vector").toString();
         Kst::Object* object = _store->retrieveObject(vectorName);
         Kst::Vector* vector = static_cast<Kst::Vector*>(object);
         if (vector) {
           setSelectedVector(vector);
         }
         QString scalarName = _cfg->value("Input Scalar Sigma").toString();
         object = _store->retrieveObject(scalarName);
         Kst::Scalar* scalar = static_cast<Kst::Scalar*>(object);
         if (scalar) {
           setSelectedScalar(scalar);
         }
         _cfg->endGroup();
       }
     }
 
   private:
     Kst::ObjectStore *_store;
 
 };
 
 
 NoiseAdditionSource::NoiseAdditionSource(Kst::ObjectStore *store)
 : Kst::BasicPlugin(store) {
 }
 
 
 NoiseAdditionSource::~NoiseAdditionSource() {
 }
 
 
 QString NoiseAdditionSource::_automaticDescriptiveName() const {
   return tr("Noise Addition Plugin Object");
 }
 
 
 void NoiseAdditionSource::change(Kst::DataObjectConfigWidget *configWidget) {
   if (ConfigNoiseAdditionPlugin* config = static_cast<ConfigNoiseAdditionPlugin*>(configWidget)) {
     setInputVector(VECTOR_IN, config->selectedVector());
     setInputScalar(SCALAR_IN, config->selectedScalar());
   }
 }
 
 
 void NoiseAdditionSource::setupOutputs() {
   setOutputVector(VECTOR_OUT, "");
 }
 
 
 bool NoiseAdditionSource::algorithm() {
   Kst::VectorPtr inputVector = _inputVectors[VECTOR_IN];
   Kst::ScalarPtr inputScalar = _inputScalars[SCALAR_IN];
   Kst::VectorPtr outputVector = _outputVectors[VECTOR_OUT];
 
   //Make sure there is at least 1 element in the input vector
   if (inputVector->length() < 1) {
     _errorString = tr("Error:  Input Vector invalid size");
     return false;
   }
 
   const gsl_rng_type* pGeneratorType;
   gsl_rng* pRandomNumberGenerator;
   double* pResult[1];
   int iRetVal = false;
   int iLength = inputVector->length();
 
   outputVector->resize(iLength, false);
   pResult[0] = outputVector->raw_V_ptr();
 
   pGeneratorType = gsl_rng_default;
   pRandomNumberGenerator = gsl_rng_alloc( pGeneratorType );
   if (pRandomNumberGenerator != NULL) {
     if (pResult[0] != NULL) {
       for (int i=0; i<iLength; i++) {
         outputVector->raw_V_ptr()[i] = inputVector->value()[i] + gsl_ran_gaussian( pRandomNumberGenerator, inputScalar->value() );
       }
 
       iRetVal = true;
     }
     gsl_rng_free( pRandomNumberGenerator );
   }
 
   return iRetVal;
 }
 
 
 Kst::VectorPtr NoiseAdditionSource::vector() const {
   return _inputVectors[VECTOR_IN];
 }
 
 
 Kst::ScalarPtr NoiseAdditionSource::scalarSigma() const {
   return _inputScalars[SCALAR_IN];
 }
 
 
 QStringList NoiseAdditionSource::inputVectorList() const {
   return QStringList( VECTOR_IN );
 }
 
 
 QStringList NoiseAdditionSource::inputScalarList() const {
   return QStringList( SCALAR_IN );
 }
 
 
 QStringList NoiseAdditionSource::inputStringList() const {
   return QStringList( /*STRING_IN*/ );
 }
 
 
 QStringList NoiseAdditionSource::outputVectorList() const {
   return QStringList( VECTOR_OUT );
 }
 
 
 QStringList NoiseAdditionSource::outputScalarList() const {
   return QStringList( /*SCALAR_OUT*/ );
 }
 
 
 QStringList NoiseAdditionSource::outputStringList() const {
   return QStringList( /*STRING_OUT*/ );
 }
 
 
 void NoiseAdditionSource::saveProperties(QXmlStreamWriter &s) {
   Q_UNUSED(s);
 //   s.writeAttribute("value", _configValue);
 }
 
 
 QString NoiseAdditionPlugin::pluginName() const { return tr("Noise Addition"); }
 QString NoiseAdditionPlugin::pluginDescription() const { return tr("Adds Gaussian noise to a set of data, of a specified standard deviation."); }
 
 
 Kst::DataObject *NoiseAdditionPlugin::create(Kst::ObjectStore *store, Kst::DataObjectConfigWidget *configWidget, bool setupInputsOutputs) const {
 
   if (ConfigNoiseAdditionPlugin* config = static_cast<ConfigNoiseAdditionPlugin*>(configWidget)) {
 
     NoiseAdditionSource* object = store->createObject<NoiseAdditionSource>();
 
     if (setupInputsOutputs) {
       object->setInputScalar(SCALAR_IN, config->selectedScalar());
       object->setupOutputs();
       object->setInputVector(VECTOR_IN, config->selectedVector());
     }
 
     object->setPluginName(pluginName());
 
     object->writeLock();
     object->registerChange();
     object->unlock();
 
     return object;
   }
   return 0;
 }
 
 
 Kst::DataObjectConfigWidget *NoiseAdditionPlugin::configWidget(QSettings *settingsObject) const {
   ConfigNoiseAdditionPlugin *widget = new ConfigNoiseAdditionPlugin(settingsObject);
   return widget;
 }
 
 #ifndef QT5
 Q_EXPORT_PLUGIN2(kstplugin_BinPlugin, NoiseAdditionPlugin)
 #endif
 
 // vim: ts=2 sw=2 et