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.                                   *
  *                                                                         *
  ***************************************************************************/
 
 
  /* FIXME: rename to something more clear */
  /* differences even samples from odd samples.  Used for LFI, whose 
     Dicky-switch produces even samples looking at a cold load, and
     odd samples looking at the sky */
 
 
 #include "chop.h"
 #include "objectstore.h"
 #include "ui_chopconfig.h"
 
 static const QString& VECTOR_IN = "Vector In";
 static const QString& VECTOR_OUT_ODD = "Odd Vector";
 static const QString& VECTOR_OUT_EVEN = "Even Vector";
 static const QString& VECTOR_OUT_DIFFERENCE = "Difference Vector";
 static const QString& VECTOR_OUT_INDEX = "Index Vector";
 
 class ConfigWidgetChopPlugin : public Kst::DataObjectConfigWidget, public Ui_ChopConfig {
   public:
     ConfigWidgetChopPlugin(QSettings* cfg) : DataObjectConfigWidget(cfg), Ui_ChopConfig() {
       _store = 0;
       setupUi(this);
     }
 
     ~ConfigWidgetChopPlugin() {}
 
     void setObjectStore(Kst::ObjectStore* store) { 
       _store = store; 
       _vector->setObjectStore(store); 
     }
 
     void setupSlots(QWidget* dialog) {
       if (dialog) {
         connect(_vector, SIGNAL(selectionChanged(QString)), dialog, SIGNAL(modified()));
       }
     }
 
     Kst::VectorPtr selectedVector() { return _vector->selectedVector(); };
     void setSelectedVector(Kst::VectorPtr vector) { return _vector->setSelectedVector(vector); };
 
     virtual void setupFromObject(Kst::Object* dataObject) {
       if (ChopSource* source = static_cast<ChopSource*>(dataObject)) {
         setSelectedVector(source->vector());
       }
     }
 
     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("Chop DataObject Plugin");
         _cfg->setValue("Input Vector", _vector->selectedVector()->Name());
         _cfg->endGroup();
       }
     }
 
     virtual void load() {
       if (_cfg && _store) {
         _cfg->beginGroup("Chop 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);
         }
         _cfg->endGroup();
       }
     }
 
   private:
     Kst::ObjectStore *_store;
 
 };
 
 
 ChopSource::ChopSource(Kst::ObjectStore *store)
 : Kst::BasicPlugin(store) {
 }
 
 
 ChopSource::~ChopSource() {
 }
 
 
 QString ChopSource::_automaticDescriptiveName() const {
   return tr("Chop Plugin Object");
 }
 
 
 void ChopSource::change(Kst::DataObjectConfigWidget *configWidget) {
   if (ConfigWidgetChopPlugin* config = static_cast<ConfigWidgetChopPlugin*>(configWidget)) {
     setInputVector(VECTOR_IN, config->selectedVector());
   }
 }
 
 
 void ChopSource::setupOutputs() {
   setOutputVector(VECTOR_OUT_ODD, "");
   setOutputVector(VECTOR_OUT_EVEN, "");
   setOutputVector(VECTOR_OUT_DIFFERENCE, "");
   setOutputVector(VECTOR_OUT_INDEX, "");
 }
 
 
 bool ChopSource::algorithm() {
   Kst::VectorPtr inputVector = _inputVectors[VECTOR_IN];
   Kst::VectorPtr outputVectorOdd = _outputVectors[VECTOR_OUT_ODD];
   Kst::VectorPtr outputVectorEven = _outputVectors[VECTOR_OUT_EVEN];
   Kst::VectorPtr outputVectorDifference = _outputVectors[VECTOR_OUT_DIFFERENCE];
   Kst::VectorPtr outputVectorIndex = _outputVectors[VECTOR_OUT_INDEX];
 
   //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;
   }
 
   int iLength = inputVector->length();
   int iLengthNew = (int)ceil(iLength / 2.0);
 
   outputVectorOdd->resize(iLengthNew, false);
   outputVectorEven->resize(iLengthNew, false);
   outputVectorDifference->resize(iLengthNew, false);
   outputVectorIndex->resize(iLengthNew, false);
 
   for (int i = 0; i < iLength; i+=2) {
     outputVectorOdd->raw_V_ptr()[i/2] = inputVector->raw_V_ptr()[i];
     outputVectorEven->raw_V_ptr()[i/2] = inputVector->raw_V_ptr()[i+1];
     outputVectorDifference->raw_V_ptr()[i/2] = inputVector->raw_V_ptr()[i] - inputVector->raw_V_ptr()[i+1];
     outputVectorIndex->raw_V_ptr()[i/2] = i/2;
   }
 
   return true;
 }
 
 
 Kst::VectorPtr ChopSource::vector() const {
   return _inputVectors[VECTOR_IN];
 }
 
 
 QStringList ChopSource::inputVectorList() const {
   return QStringList( VECTOR_IN );
 }
 
 
 QStringList ChopSource::inputScalarList() const {
   return QStringList( /*SCALAR_IN*/ );
 }
 
 
 QStringList ChopSource::inputStringList() const {
   return QStringList( /*STRING_IN*/ );
 }
 
 
 QStringList ChopSource::outputVectorList() const {
   QStringList vectorList(VECTOR_OUT_ODD);
   vectorList += VECTOR_OUT_EVEN;
   vectorList += VECTOR_OUT_DIFFERENCE;
   vectorList += VECTOR_OUT_INDEX;
   return vectorList;
 }
 
 
 QStringList ChopSource::outputScalarList() const {
   return QStringList( /*SCALAR_OUT*/ );
 }
 
 
 QStringList ChopSource::outputStringList() const {
   return QStringList( /*STRING_OUT*/ );
 }
 
 
 void ChopSource::saveProperties(QXmlStreamWriter &s) {
   Q_UNUSED(s);
 //   s.writeAttribute("value", _configValue);
 }
 
 
 QString ChopPlugin::pluginName() const { return tr("Chop"); }
 QString ChopPlugin::pluginDescription() const { return tr("Chops a given data set into odd, even, difference, and Index data sets."); }
 
 
 Kst::DataObject *ChopPlugin::create(Kst::ObjectStore *store, Kst::DataObjectConfigWidget *configWidget, bool setupInputsOutputs) const {
 
   if (ConfigWidgetChopPlugin* config = static_cast<ConfigWidgetChopPlugin*>(configWidget)) {
 
     ChopSource* object = store->createObject<ChopSource>();
 
     if (setupInputsOutputs) {
       object->setupOutputs();
       object->setInputVector(VECTOR_IN, config->selectedVector());
     }
 
     object->setPluginName(pluginName());
 
     object->writeLock();
     object->registerChange();
     object->unlock();
 
     return object;
   }
   return 0;
 }
 
 
 Kst::DataObjectConfigWidget *ChopPlugin::configWidget(QSettings *settingsObject) const {
   ConfigWidgetChopPlugin *widget = new ConfigWidgetChopPlugin(settingsObject);
   return widget;
 }
 
 #ifndef QT5
 Q_EXPORT_PLUGIN2(kstplugin_ChopPlugin, ChopPlugin)
 #endif
 
 // vim: ts=2 sw=2 et