TrajectoryDataSet.cpp

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/*  Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.

    This file is part of the TerraLib - a Framework for building GIS enabled applications.

    TerraLib 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.

    TerraLib 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with TerraLib. See COPYING. If not, write to
    TerraLib Team at <terralib-team@terralib.org>.
*/

/*!
  \file TrajectoryDataSet.cpp

  \brief This file contains a class to represent a trajectory data set.
*/

// TerraLib
#include "../../../dataaccess/dataset/DataSet.h"
#include "../../../datatype/DateTime.h"
#include "../../../datatype/DateTimePeriod.h"
#include "../../../datatype/DateTimeInstant.h"
#include "../../../datatype/SimpleData.h"
#include "../../../geometry/Geometry.h"
#include "../../../geometry/Utils.h"

//ST
#include "TrajectoryDataSet.h"
#include "Trajectory.h"
#include "../observation/ObservationDataSet.h"
#include "../observation/ObservationDataSetType.h"
#include "../interpolator/NearestGeometryAtTimeInterp.h"

te::st::TrajectoryDataSet::TrajectoryDataSet(te::da::DataSet* ds, const ObservationDataSetType& type)
: m_obsDs(new ObservationDataSet(ds, type)),
  m_id()
{
}

te::st::TrajectoryDataSet::TrajectoryDataSet(te::da::DataSet* ds, const ObservationDataSetType& type,
  const std::string& id)
: m_obsDs(new ObservationDataSet(ds, type)),
  m_id(id)
{
}

te::st::TrajectoryDataSet::TrajectoryDataSet( ObservationDataSet* obs, const std::string& id)
  : m_obsDs(obs),
    m_id(id)
{  
}

te::st::ObservationDataSet* te::st::TrajectoryDataSet::getObservationSet() const
{
  return m_obsDs.get();
}

std::string te::st::TrajectoryDataSet::getId() const
{
  return m_id;
}       

void te::st::TrajectoryDataSet::setId(const std::string& id)
{
  m_id = id;
} 

std::size_t te::st::TrajectoryDataSet::size() const
{
  return m_obsDs->getData()->size();
}

bool te::st::TrajectoryDataSet::moveNext()
{
  return m_obsDs->moveNext();
}

bool te::st::TrajectoryDataSet::movePrevious()
{
  return m_obsDs->movePrevious();
}

bool te::st::TrajectoryDataSet::moveFirst()
{
  return m_obsDs->moveFirst();
}

bool te::st::TrajectoryDataSet::moveBeforeFirst()
{
  return m_obsDs->moveBeforeFirst();
}

bool te::st::TrajectoryDataSet::moveLast()
{
  return m_obsDs->moveLast();
}

bool te::st::TrajectoryDataSet::isAtBegin() const
{
  return m_obsDs->isAtBegin();
}

bool te::st::TrajectoryDataSet::isBeforeBegin() const
{
  return m_obsDs->isBeforeBegin();
}

bool te::st::TrajectoryDataSet::isAtEnd() const
{
  return m_obsDs->isAtEnd();
}

bool te::st::TrajectoryDataSet::isAfterEnd() const
{
  return m_obsDs->isAfterEnd();
}

std::auto_ptr<te::gm::Geometry> te::st::TrajectoryDataSet::getGeometry() const
{
  if(!m_obsDs->getType().hasGeomProp())
    return std::auto_ptr<te::gm::Geometry>();
  return std::auto_ptr<te::gm::Geometry>(m_obsDs->getData()->getGeometry(m_obsDs->getType().getGeomPropName()));
}

std::auto_ptr<te::dt::DateTime> te::st::TrajectoryDataSet::getTime() const
{
  //TO DO: arrumar pro caso quando for period dividido em duas colunas
  std::string phTimePropName = m_obsDs->getType().getBeginTimePropName();
  return std::auto_ptr<te::dt::DateTime>(m_obsDs->getData()->getDateTime(phTimePropName));
}

const te::dt::DateTimePeriod* te::st::TrajectoryDataSet::getTemporalExtent() const
{
  return m_obsDs->getType().getTemporalExtent();
}

const te::gm::Geometry* te::st::TrajectoryDataSet::getSpatialExtent() const
{
  return m_obsDs->getType().getSpatialExtent();
}

std::auto_ptr<te::st::Trajectory> te::st::TrajectoryDataSet::getTrajectory(te::st::AbstractTrajectoryInterp* interp)
{
  Trajectory* result = new Trajectory(interp,m_id);
  te::da::DataSet* ds = m_obsDs->getData();
  while(ds->moveNext())
  {
    std::auto_ptr<te::dt::DateTime> time(ds->getDateTime(m_obsDs->getType().getBeginTimePropName()));
    std::auto_ptr<te::gm::Geometry> geom(ds->getGeometry(m_obsDs->getType().getGeomPropName()));
    result->add(time.release(), geom.release());
  }
  return std::auto_ptr<te::st::Trajectory>(result);
}

std::auto_ptr<te::st::Trajectory> te::st::TrajectoryDataSet::getTrajectory()
{
  return getTrajectory(&NearestGeometryAtTimeInterp::getInstance()); 
}

std::auto_ptr<te::da::DataSet> te::st::TrajectoryDataSet::release()
{
  std::auto_ptr<te::da::DataSet> result(m_obsDs->release());
  return result;
}

te::st::TrajectoryDataSet::~TrajectoryDataSet()
{
}