File indexing completed on 2024-12-22 04:18:01

 /***************************************************************************
  *                                                                         *
  *   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.                                   *
  *                                                                         *
  ***************************************************************************/
 
 /* 'boxcar decimation filter': not very useful. */
 
 #include "bin.h"
 #include "objectstore.h"
 #include "ui_binconfig.h"
 
 static const QString& VECTOR_IN = "Vector In";
 static const QString& SCALAR_IN = "Scalar In";
 static const QString& VECTOR_OUT = "Bins";
 
 class ConfigWidgetBinPlugin : public Kst::DataObjectConfigWidget, public Ui_BinConfig {
   public:
     ConfigWidgetBinPlugin(QSettings* cfg) : DataObjectConfigWidget(cfg), Ui_BinConfig() {
       _store = 0;
       setupUi(this);
     }
 
     ~ConfigWidgetBinPlugin() {}
 
     void setObjectStore(Kst::ObjectStore* store) { 
       _store = store; 
       _vector->setObjectStore(store); 
       _scalarBin->setObjectStore(store);
       _scalarBin->setDefaultValue(10);
     }
 
     void setupSlots(QWidget* dialog) {
       if (dialog) {
         connect(_vector, SIGNAL(selectionChanged(QString)), dialog, SIGNAL(modified()));
         connect(_scalarBin, 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 _scalarBin->selectedScalar(); };
     void setSelectedScalar(Kst::ScalarPtr scalar) { return _scalarBin->setSelectedScalar(scalar); };
 
     virtual void setupFromObject(Kst::Object* dataObject) {
       if (BinSource* source = static_cast<BinSource*>(dataObject)) {
         setSelectedVector(source->vector());
         setSelectedScalar(source->binScalar());
       }
     }
 
     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("Bin DataObject Plugin");
         _cfg->setValue("Input Vector", _vector->selectedVector()->Name());
         _cfg->setValue("Input Bin Scalar", _scalarBin->selectedScalar()->Name());
         _cfg->endGroup();
       }
     }
 
     virtual void load() {
       if (_cfg && _store) {
         _cfg->beginGroup("Bin 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 Bin Scalar").toString();
         object = _store->retrieveObject(scalarName);
         Kst::Scalar* binScalar = static_cast<Kst::Scalar*>(object);
         if (binScalar) {
           setSelectedScalar(binScalar);
         }
         _cfg->endGroup();
       }
     }
 
   private:
     Kst::ObjectStore *_store;
 
 };
 
 
 BinSource::BinSource(Kst::ObjectStore *store)
 : Kst::BasicPlugin(store) {
 }
 
 
 BinSource::~BinSource() {
 }
 
 
 QString BinSource::_automaticDescriptiveName() const {
   return tr("Bin Plugin Object");
 }
 
 
 void BinSource::change(Kst::DataObjectConfigWidget *configWidget) {
   if (ConfigWidgetBinPlugin* config = static_cast<ConfigWidgetBinPlugin*>(configWidget)) {
     setInputVector(VECTOR_IN, config->selectedVector());
     setInputScalar(SCALAR_IN, config->selectedScalar());
   }
 }
 
 
 void BinSource::setupOutputs() {
   setOutputVector(VECTOR_OUT, "");
 }
 
 
 bool BinSource::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;
   }
   //Make sure the bin size is at least 1
   if (inputScalar->value() < 1) {
     _errorString = tr("Error:  No Bins");
     return false;
   }
 
   // allocate the lengths
   outputVector->resize(int(inputVector->length() / inputScalar->value()), false);
 
   //now bin the data
   for (int i = 0; i < outputVector->length(); i++)
   {
       outputVector->raw_V_ptr()[i] = 0;
       //add up the elements for this bin
       for (int j = 0; j < inputScalar->value(); j++)
       {
           outputVector->raw_V_ptr()[i] += inputVector->raw_V_ptr()[int(i*inputScalar->value()+j)];
       }
       //find the mean
       outputVector->raw_V_ptr()[i] /= inputScalar->value();
   }
   return true;
 }
 
 
 Kst::VectorPtr BinSource::vector() const {
   return _inputVectors[VECTOR_IN];
 }
 
 
 Kst::ScalarPtr BinSource::binScalar() const {
   return _inputScalars[SCALAR_IN];
 }
 
 
 QStringList BinSource::inputVectorList() const {
   return QStringList( VECTOR_IN );
 }
 
 
 QStringList BinSource::inputScalarList() const {
   return QStringList( SCALAR_IN );
 }
 
 
 QStringList BinSource::inputStringList() const {
   return QStringList( /*STRING_IN*/ );
 }
 
 
 QStringList BinSource::outputVectorList() const {
   return QStringList( VECTOR_OUT );
 }
 
 
 QStringList BinSource::outputScalarList() const {
   return QStringList( /*SCALAR_OUT*/ );
 }
 
 
 QStringList BinSource::outputStringList() const {
   return QStringList( /*STRING_OUT*/ );
 }
 
 
 void BinSource::saveProperties(QXmlStreamWriter &s) {
   Q_UNUSED(s);
 //   s.writeAttribute("value", _configValue);
 }
 
 
 QString BinPlugin::pluginName() const { return tr("Bin"); }
 QString BinPlugin::pluginDescription() const { return tr("Bins data into the given size bins.  Each bin contains the mean of the elements belonging to the bin."); }
 
 
 Kst::DataObject *BinPlugin::create(Kst::ObjectStore *store, Kst::DataObjectConfigWidget *configWidget, bool setupInputsOutputs) const {
 
   if (ConfigWidgetBinPlugin* config = static_cast<ConfigWidgetBinPlugin*>(configWidget)) {
 
     BinSource* object = store->createObject<BinSource>();
 
     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 *BinPlugin::configWidget(QSettings *settingsObject) const {
   ConfigWidgetBinPlugin *widget = new ConfigWidgetBinPlugin(settingsObject);
   return widget;
 }
 
 #ifndef QT5
 Q_EXPORT_PLUGIN2(kstplugin_BinPlugin, BinPlugin)
 #endif
 
 // vim: ts=2 sw=2 et