TrajectoryDataSet.cpp
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1 /* Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.
2 
3  This file is part of the TerraLib - a Framework for building GIS enabled applications.
4 
5  TerraLib is free software: you can redistribute it and/or modify
6  it under the terms of the GNU Lesser General Public License as published by
7  the Free Software Foundation, either version 3 of the License,
8  or (at your option) any later version.
9 
10  TerraLib is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  GNU Lesser General Public License for more details.
14 
15  You should have received a copy of the GNU Lesser General Public License
16  along with TerraLib. See COPYING. If not, write to
17  TerraLib Team at <terralib-team@terralib.org>.
18 */
19 
20 /*!
21  \file TrajectoryDataSet.cpp
22 
23  \brief This file contains a class to represent a trajectory data set.
24 */
25 
26 // TerraLib
27 #include "../../../dataaccess/dataset/DataSet.h"
28 #include "../../../datatype/DateTime.h"
29 #include "../../../datatype/DateTimePeriod.h"
30 #include "../../../datatype/DateTimeInstant.h"
31 #include "../../../datatype/SimpleData.h"
32 #include "../../../geometry/Geometry.h"
33 #include "../../../geometry/Utils.h"
34 
35 //ST
36 #include "TrajectoryDataSet.h"
37 #include "Trajectory.h"
38 #include "../observation/ObservationDataSet.h"
39 #include "../observation/ObservationDataSetType.h"
40 #include "../interpolator/NearestGeometryAtTimeInterp.h"
41 
43  const ObservationDataSetType& type)
44  : m_obsDs(new ObservationDataSet(ds, type))
45 
46 {
47 }
48 
50  const std::string& id)
51 : m_obsDs(new ObservationDataSet(ds, type)),
52  m_id(id)
53 {
54 }
55 
57  : m_obsDs(obs),
58  m_id(id)
59 {
60 }
61 
63 {
64  return m_obsDs.get();
65 }
66 
68 {
69  return m_id;
70 }
71 
72 void te::st::TrajectoryDataSet::setId(const std::string& id)
73 {
74  m_id = id;
75 }
76 
78 {
79  return m_obsDs->getData()->size();
80 }
81 
83 {
84  return m_obsDs->moveNext();
85 }
86 
88 {
89  return m_obsDs->movePrevious();
90 }
91 
93 {
94  return m_obsDs->moveFirst();
95 }
96 
98 {
99  return m_obsDs->moveBeforeFirst();
100 }
101 
103 {
104  return m_obsDs->moveLast();
105 }
106 
108 {
109  return m_obsDs->isAtBegin();
110 }
111 
113 {
114  return m_obsDs->isBeforeBegin();
115 }
116 
118 {
119  return m_obsDs->isAtEnd();
120 }
121 
123 {
124  return m_obsDs->isAfterEnd();
125 }
126 
127 std::unique_ptr<te::gm::Geometry> te::st::TrajectoryDataSet::getGeometry() const
128 {
129  if(!m_obsDs->getType().hasGeomProp())
130  return std::unique_ptr<te::gm::Geometry>();
131  return std::unique_ptr<te::gm::Geometry>(m_obsDs->getData()->getGeometry(m_obsDs->getType().getGeomPropName()));
132 }
133 
134 std::unique_ptr<te::dt::DateTime> te::st::TrajectoryDataSet::getTime() const
135 {
136  //TO DO: arrumar pro caso quando for period dividido em duas colunas
137  std::string phTimePropName = m_obsDs->getType().getBeginTimePropName();
138  return std::unique_ptr<te::dt::DateTime>(m_obsDs->getData()->getDateTime(phTimePropName));
139 }
140 
142 {
143  return m_obsDs->getType().getTemporalExtent();
144 }
145 
147 {
148  return m_obsDs->getType().getSpatialExtent();
149 }
150 
152 {
153  Trajectory* result = new Trajectory(interp,m_id);
154  te::da::DataSet* ds = m_obsDs->getData();
155  while(ds->moveNext())
156  {
157  std::unique_ptr<te::dt::DateTime> time(ds->getDateTime(m_obsDs->getType().getBeginTimePropName()));
158  std::unique_ptr<te::gm::Geometry> geom(ds->getGeometry(m_obsDs->getType().getGeomPropName()));
159  result->add(time.release(), geom.release());
160  }
161  return std::unique_ptr<te::st::Trajectory>(result);
162 }
163 
164 std::unique_ptr<te::st::Trajectory> te::st::TrajectoryDataSet::getTrajectory()
165 {
167 }
168 
169 std::unique_ptr<te::da::DataSet> te::st::TrajectoryDataSet::release()
170 {
171  std::unique_ptr<te::da::DataSet> result(m_obsDs->release());
172  return result;
173 }
174 
virtual std::unique_ptr< te::gm::Geometry > getGeometry(std::size_t i) const =0
Method for retrieving a geometric attribute value.
This file contains a class to represent a trajectory.
const te::dt::DateTimePeriod * getTemporalExtent() const
It returns the temporal extent of the trajectory observations.
A class to represent a DataSet that contains observations.
std::string m_id
The trajectory identification.
void setId(const std::string &id)
It sets the identifier associated to the trajectory.
static te::dt::Date ds(2010, 01, 01)
std::unique_ptr< ObservationDataSet > m_obsDs
The data set that contains the trajectory observations.
virtual bool moveNext()=0
It moves the internal pointer to the next item of the collection.
An abstract class for an interpolation function or interpolator that estimates geometries at non-obse...
std::string getId() const
It returns the identifier associated to the trajectory.
std::unique_ptr< Trajectory > getTrajectory()
It returns the trajectory from the DataSet.
static NearestGeometryAtTimeInterp & getInstance()
It returns a reference to the singleton instance.
virtual ~TrajectoryDataSet()
Virtual destructor.
std::unique_ptr< te::dt::DateTime > getTime() const
It returns the time pointed by the internal cursor.
const te::gm::Geometry * getSpatialExtent() const
It returns the spatial extent of the trajectory observations.
TrajectoryDataSet(te::da::DataSet *ds, const ObservationDataSetType &type)
Constructor.
Geometry is the root class of the geometries hierarchy, it follows OGC and ISO standards.
virtual std::unique_ptr< te::dt::DateTime > getDateTime(std::size_t i) const =0
Method for retrieving a date and time attribute value.
A dataset is the unit of information manipulated by the data access module of TerraLib.
ObservationDataSet * getObservationSet() const
It returns the data set that contains the trajectory observations.
std::unique_ptr< te::gm::Geometry > getGeometry() const
It returns the geometry pointed by the internal cursor.
An abstract class to represent a period of date and time.
std::unique_ptr< te::da::DataSet > release()
It releases all internal pointers, returning its internal DataSet and invalidating itself...
A class that contains complemental DataSetType information about a DataSet that holds observations...
A class to represent trajectory.
Definition: Trajectory.h:75
void add(te::dt::DateTime *time, te::gm::Geometry *geom)
It adds an observation (time and geometry) into the trajectory.
Definition: Trajectory.cpp:163
std::size_t size() const
It returns the size of the trajectory observation set.
This file contains a class to represent a trajectory data set.