TrajectoryDataSetLayer.h
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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 terralib/st/maptools/TrajectoryDataSetLayer.h
22 
23  \brief A layer with a reference to an TrajectoryDataSet.
24 */
25 
26 #ifndef __TERRALIB_ST_INTERNAL_TRAJECTORYDATASETLAYER_H
27 #define __TERRALIB_ST_INTERNAL_TRAJECTORYDATASETLAYER_H
28 
29 // ST
30 #include "../Config.h"
31 #include "AbstractSTDataSetLayer.h"
32 
33 // Boost
34 #include <boost/ptr_container/ptr_vector.hpp>
35 
36 namespace te
37 {
38  namespace st
39  {
40 
41  //Forward declarations
42  class TrajectoryDataSet;
43  class TrajectoryDataSetInfo;
44 
46 
47  /*!
48  \class TrajectoryDataSetLayer
49 
50  \brief A layer with reference to a dataset that contains trajectories.
51 
52  \sa AbstractLayer, AbstractSTDataSetLayer
53  */
55  {
56  public:
57 
58 
59  /*!
60  \brief It initializes a new layer.
61 
62  \param parent The parent layer (NULL if it has no parent).
63  */
64  TrajectoryDataSetLayer(AbstractLayer* parent = 0);
65 
66  /*!
67  \brief It initializes a new layer.
68 
69  \param parent The parent layer (NULL if it has no parent).
70  \param info Infos about the data source and its data set that contains observations.
71 
72  \note It will take the ownership of the given pointer info
73  */
74  TrajectoryDataSetLayer(AbstractLayer* parent, TrajectoryDataSetInfo* info);
75 
76  /*!
77  \brief It initializes a new layer.
78 
79  \param id The layer id.
80  \param parent The parent layer (NULL if it has no parent).
81  \param info Infos about the data source and its data set that contains observations.
82 
83  \note It will take the ownership of the given pointer info
84  */
85  TrajectoryDataSetLayer(const std::string& id, AbstractLayer* parent, TrajectoryDataSetInfo* info);
86 
87  /*!
88  \brief It initializes a new Layer.
89 
90  \param id The layer id.
91  \param title The title is a brief description about the layer.
92  \param parent The parent layer (NULL if it has no parent).
93  \param info Infos about the data source and its data set that contains observations.
94 
95  \note It will take the ownership of the given pointer info
96  */
97  TrajectoryDataSetLayer(const std::string& id, const std::string& title, AbstractLayer* parent, TrajectoryDataSetInfo* info);
98 
99  /*! \brief Destructor. */
101 
102  AbstractLayer* clone() { return nullptr; }
103 
104  std::unique_ptr<LayerSchema> getSchema() const;
105 
106  /*!
107  \brief It returns the layer temporal extent.
108 
109  \return The layer temporal extent.
110  */
111  te::dt::DateTimePeriod* getTemporalExtent() const;
112 
113  std::unique_ptr<te::da::DataSet> getData(te::common::TraverseType travType = te::common::FORWARDONLY,
114  const te::common::AccessPolicy accessPolicy = te::common::RAccess) const;
115 
116  std::unique_ptr<te::da::DataSet> getData(const std::string& propertyName,
117  const te::gm::Envelope* e,
120  const te::common::AccessPolicy accessPolicy = te::common::RAccess) const;
121 
122  std::unique_ptr<te::da::DataSet> getData(const std::string& propertyName,
123  const te::gm::Geometry* g,
126  const te::common::AccessPolicy accessPolicy = te::common::RAccess) const;
127 
128  std::unique_ptr<te::da::DataSet> getData(te::da::Expression* restriction,
130  const te::common::AccessPolicy accessPolicy = te::common::RAccess) const;
131 
132  std::unique_ptr<te::da::DataSet> getData(const te::da::ObjectIdSet* oids,
134  const te::common::AccessPolicy accessPolicy = te::common::RAccess) const;
135 
136  std::unique_ptr<te::st::TrajectoryDataSet> getTrajectoryDataset(te::common::TraverseType travType = te::common::FORWARDONLY) const;
137 
138  std::unique_ptr<te::st::TrajectoryDataSet> getTrajectoryDataset(const te::gm::Envelope& e,
141 
142  std::unique_ptr<te::st::TrajectoryDataSet> getTrajectoryDataset(const te::gm::Geometry& g,
145 
146  std::unique_ptr<te::da::DataSet> getData( const te::dt::DateTime& dt, te::dt::TemporalRelation r = te::dt::DURING,
149 
150  std::unique_ptr<te::da::DataSet> getData( const te::dt::DateTime& dt, te::dt::TemporalRelation tr,
154 
155  std::unique_ptr<te::da::DataSet> getData( const te::dt::DateTime& dt, te::dt::TemporalRelation tr,
159 
160  std::unique_ptr<te::st::TrajectoryDataSet> getTrajectoryDataset( const te::dt::DateTime& dt, te::dt::TemporalRelation r = te::dt::DURING,
162 
163  std::unique_ptr<te::st::TrajectoryDataSet> getTrajectoryDataset( const te::dt::DateTime& dt, te::dt::TemporalRelation tr,
166 
167  std::unique_ptr<te::st::TrajectoryDataSet> getTrajectoryDataset( const te::dt::DateTime& dt, te::dt::TemporalRelation tr,
170 
171  bool isValid() const;
172 
173  void draw(te::map::Canvas* canvas, const te::gm::Envelope& bbox, int srid, const double& scale, bool* cancel);
174 
175  /*!
176  \brief It returns the layer type: TRAJECTORYDATASETLAYER.
177 
178  \return The layer type: TRAJECTORYDATASETLAYER.
179  */
180  const std::string& getType() const;
181 
182  /*!
183  \brief
184 
185  \return
186  */
187  const std::string& getDataSourceId() const;
188 
189  /*!
190  \brief
191 
192  \return
193  */
194  const std::string& getRendererType() const;
195 
196  /*!
197  \brief
198 
199  \param t
200  */
201  void setRendererType(const std::string& t);
202 
203  /*!
204  \brief Checks if the layer has any childs
205 
206  \return true if the layer has any childs, otherwise returns false
207  */
208 
209  bool hasChilds();
210 
211  private:
212 
213  boost::ptr_vector<TrajectoryDataSetLayer> m_layers; //!, A container the holds any child layers.
214  std::unique_ptr<TrajectoryDataSetInfo> m_info; //!< Infos about the data source and its data set that contains observations.
215  std::string m_rendererType; //!< A pointer to the internal renderer used to paint this layer.
216  static const std::string sm_type; //!< A static data member used in the implementation of getType method.
217  };
218 
219  typedef boost::intrusive_ptr<TrajectoryDataSetLayer> TrajectoryDataSetLayerPtr;
220 
221  } // end namespace st
222 } // end namespace te
223 
224 #endif // __TERRALIB_ST_INTERNAL_TRAJECTORYDATASETLAYER_H
#define TESTEXPORT
You can use this macro in order to export/import classes and functions from this module.
Definition: Config.h:88
std::string m_rendererType
A pointer to the internal renderer used to paint this layer.
boost::intrusive_ptr< TrajectoryDataSetLayer > TrajectoryDataSetLayerPtr
A class that models the description of a dataset.
Definition: DataSetType.h:72
This file has the AbstractSTDataSetLayer class that provides an abstract interface for layers that co...
TemporalRelation
Temporal relations between date and time (Source: Allen, 1991).
Definition: Enums.h:140
SpatialRelation
Spatial relations between geometric objects.
Definition: Enums.h:127
This is an abstract class that models a query expression.
Definition: Expression.h:47
AccessPolicy
Supported data access policies (can be used as bitfield).
Definition: Enums.h:40
TraverseType
A dataset can be traversed in two ways:
Definition: Enums.h:53
A layer with reference to a dataset that contains spatiotemporal data.
te::da::DataSetType LayerSchema
An Envelope defines a 2D rectangular region.
Definition: Envelope.h:51
This class represents a set of unique ids created in the same context. i.e. from the same data set...
Definition: ObjectIdSet.h:55
TerraLib.
static const std::string sm_type
A static data member used in the implementation of getType method.
Geometry is the root class of the geometries hierarchy, it follows OGC and ISO standards.
Definition: Geometry.h:75
A class that contains infos about a DataSet that contains observations of one or more trajectories...
A canvas is an abstraction of a drawing area.
Definition: Canvas.h:92
An abstract class to represent a period of date and time.
A layer with reference to a dataset that contains trajectories.
AbstractLayer * clone()
It returns a clone of the object.
boost::ptr_vector< TrajectoryDataSetLayer > m_layers
std::unique_ptr< TrajectoryDataSetInfo > m_info
, A container the holds any child layers.