QGIS API Documentation 3.37.0-Master (684a802617f)
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qgsmeshdatasetgroupstore.h
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1/***************************************************************************
2 qgsmeshdatasetgroupstore.h
3 ---------------------
4 begin : June 2020
5 copyright : (C) 2020 by Vincent Cloarec
6 email : vcloarec at gmail dot com
7 ***************************************************************************/
8
9/***************************************************************************
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 ***************************************************************************/
17
18#ifndef QGSMESHDATASETGROUPSTORE_H
19#define QGSMESHDATASETGROUPSTORE_H
20
21#define SIP_NO_FILE
22
23#include "qgsmeshdataprovider.h"
24#include "qgsmeshdataset.h"
25
26class QgsMeshLayer;
27
37{
38 public:
39
42
44 void removeDatasetGroup( int index );
45
47 bool hasTemporalCapabilities() const;
48
50 qint64 datasetRelativeTime( QgsMeshDatasetIndex index ) const;
51
53 QString description( int groupIndex ) const;
54
56 QgsMeshDatasetGroup *datasetGroup( int groupIndex ) const;
57
58 int datasetGroupCount() const override;
59 int datasetCount( int groupIndex ) const override;
60 QgsMeshDatasetGroupMetadata datasetGroupMetadata( int groupIndex ) const override;
62 QgsMeshDatasetValue datasetValue( QgsMeshDatasetIndex index, int valueIndex ) const override;
63 QgsMeshDataBlock datasetValues( QgsMeshDatasetIndex index, int valueIndex, int count ) const override;
64 QgsMesh3DDataBlock dataset3dValues( QgsMeshDatasetIndex index, int faceIndex, int count ) const override;
65 bool isFaceActive( QgsMeshDatasetIndex index, int faceIndex ) const override;
66 QgsMeshDataBlock areFacesActive( QgsMeshDatasetIndex index, int faceIndex, int count ) const override;
67
69 bool addDataset( const QString &uri ) override;
70
72 QStringList extraDatasets() const override;
73
75 bool persistDatasetGroup( const QString &outputFilePath,
76 const QString &outputDriver,
78 const QVector<QgsMeshDataBlock> &datasetValues,
79 const QVector<QgsMeshDataBlock> &datasetActive,
80 const QVector<double> &times ) override;
81
83 bool persistDatasetGroup( const QString &outputFilePath,
84 const QString &outputDriver,
86 int datasetGroupIndex ) override;
87
89 QDomElement writeXml( int groupIndex, QDomDocument &doc, const QgsReadWriteContext &context );
90
93
94 private:
95 std::vector<std::unique_ptr<QgsMeshDatasetGroup>> mGroups;
96};
97
119class QgsMeshDatasetGroupStore: public QObject
120{
121 Q_OBJECT
122
124 typedef QPair<QgsMeshDatasetSourceInterface *, int> DatasetGroup;
125
126 public:
128 explicit QgsMeshDatasetGroupStore( QgsMeshLayer *layer );
129
131 void setPersistentProvider( QgsMeshDataProvider *provider, const QStringList &extraDatasetUri );
132
134 bool addPersistentDatasets( const QString &path );
135
141
143 bool saveDatasetGroup( QString filePath, int groupIndex, QString driver );
144
147
150
157
159 QList<int> datasetGroupIndexes() const;
160
166 QList<int> enabledDatasetGroupIndexes() const;
167
169 int datasetGroupCount() const;
170
172 int extraDatasetGroupCount() const;
173
175 int datasetCount( int groupIndex ) const;
176
179
182
184 QgsMeshDatasetValue datasetValue( const QgsMeshDatasetIndex &index, int valueIndex ) const;
185
187 QgsMeshDataBlock datasetValues( const QgsMeshDatasetIndex &index, int valueIndex, int count ) const;
188
190 QgsMesh3DDataBlock dataset3dValues( const QgsMeshDatasetIndex &index, int faceIndex, int count ) const;
191
193 QgsMeshDataBlock areFacesActive( const QgsMeshDatasetIndex &index, int faceIndex, int count ) const;
194
196 bool isFaceActive( const QgsMeshDatasetIndex &index, int faceIndex ) const;
197
200 int groupIndex,
202
208 QList<QgsMeshDatasetIndex> datasetIndexInTimeInterval( qint64 time1, qint64 time2, int groupIndex ) const;
209
211 qint64 datasetRelativeTime( const QgsMeshDatasetIndex &index ) const;
212
214 bool hasTemporalCapabilities() const;
215
217 QDomElement writeXml( QDomDocument &doc, const QgsReadWriteContext &context );
218
220 void readXml( const QDomElement &storeElem, const QgsReadWriteContext &context );
221
228 int globalDatasetGroupIndexInSource( QgsMeshDatasetSourceInterface *source, int nativeGroupIndex ) const;
229
235 int indexFromGroupName( const QString &groupName ) const;
236
242 QString groupName( int groupIndex ) const;
243
244 signals:
246 void datasetGroupsAdded( QList<int> indexes );
247
248 private slots:
249 void onPersistentDatasetAdded( int count );
250
251 private:
252 QgsMeshLayer *mLayer = nullptr;
253 QgsMeshDataProvider *mPersistentProvider = nullptr;
254 QgsMeshExtraDatasetStore mExtraDatasets;
255 QMap < int, DatasetGroup> mRegistry;
256 QList<int> mPersistentExtraDatasetGroupIndexes;
257 QMap<QString, int> mGroupNameToGlobalIndex;
258 std::unique_ptr<QgsMeshDatasetGroupTreeItem> mDatasetGroupTreeRootItem;
259
260 void removePersistentProvider();
261
262 DatasetGroup datasetGroup( int index ) const;
263
265 int newIndex();
266
267 int registerDatasetGroup( const DatasetGroup &group );
268 void createDatasetGroupTreeItems( const QList<int> &indexes );
269
271 void eraseDatasetGroup( const DatasetGroup &group );
272
274 void eraseExtraDataset( int indexInExtraStore );
275
276 void checkDatasetConsistency( QgsMeshDatasetSourceInterface *source );
277 void removeUnregisteredItemFromTree();
278 void unregisterGroupNotPresentInTree();
279
280 void syncItemToDatasetGroup( int groupIndex );
281};
282
283#endif // QGSMESHDATASETGROUPSTORE_H
QgsMesh3DDataBlock is a block of 3d stacked mesh data related N faces defined on base mesh frame.
QgsMeshDataBlock is a block of integers/doubles that can be used to retrieve: active flags (e....
MatchingTemporalDatasetMethod
Method for selection of temporal mesh dataset from a range time.
Base class for providing data for QgsMeshLayer.
QgsMeshDatasetGroupMetadata is a collection of dataset group metadata such as whether the data is vec...
Class used to register and access all the dataset groups related to a mesh layer.
QgsMeshDatasetGroupTreeItem * datasetGroupTreeItem() const
Returns a pointer to the root of the dataset groups tree item.
QgsMeshDatasetMetadata datasetMetadata(const QgsMeshDatasetIndex &index) const
Returns the metadata of the dataset with global index.
void setDatasetGroupTreeItem(const QgsMeshDatasetGroupTreeItem *rootItem)
Sets the root of the dataset groups tree item.
QList< int > enabledDatasetGroupIndexes() const
Returns a list of all group indexes that are enabled.
bool addPersistentDatasets(const QString &path)
Adds persistent datasets from a file with path.
QgsMeshDatasetGroupMetadata datasetGroupMetadata(const QgsMeshDatasetIndex &index) const
Returns the metadata of the dataset group with global index.
bool isFaceActive(const QgsMeshDatasetIndex &index, int faceIndex) const
Returns whether face is active for particular dataset.
QList< int > datasetGroupIndexes() const
Returns a list of all group indexes.
bool hasTemporalCapabilities() const
Returns whether at lea&st one of stored dataset group is temporal.
void resetDatasetGroupTreeItem()
Resets to default state the dataset groups tree item.
QgsMeshDataBlock datasetValues(const QgsMeshDatasetIndex &index, int valueIndex, int count) const
Returns count values of the dataset with global index and from valueIndex.
QgsMeshDatasetIndex datasetIndexAtTime(qint64 time, int groupIndex, QgsMeshDataProviderTemporalCapabilities::MatchingTemporalDatasetMethod method) const
Returns the global dataset index of the dataset int the dataset group with groupIndex,...
bool saveDatasetGroup(QString filePath, int groupIndex, QString driver)
Saves on a file with filePath the dataset groups index with groupIndex with the specified driver.
QList< QgsMeshDatasetIndex > datasetIndexInTimeInterval(qint64 time1, qint64 time2, int groupIndex) const
Returns the global dataset index of the dataset int the dataset group with groupIndex,...
bool addDatasetGroup(QgsMeshDatasetGroup *group)
Adds a extra dataset group, take ownership, returns True if the group is effectivly added.
QgsMeshDatasetValue datasetValue(const QgsMeshDatasetIndex &index, int valueIndex) const
Returns the value of the dataset with global index and valueIndex.
QDomElement writeXml(QDomDocument &doc, const QgsReadWriteContext &context)
Writes the store's information in a DOM document.
int extraDatasetGroupCount() const
Returns the count of extra dataset groups.
int datasetGroupCount() const
Returns the count of dataset groups.
QgsMeshDataBlock areFacesActive(const QgsMeshDatasetIndex &index, int faceIndex, int count) const
Returns whether faces are active for particular dataset.
QString groupName(int groupIndex) const
Returns the name of the dataset group with global index groupIndex.
void setPersistentProvider(QgsMeshDataProvider *provider, const QStringList &extraDatasetUri)
Sets the persistent mesh data provider with the path of its extra dataset to be loaded by the provide...
qint64 datasetRelativeTime(const QgsMeshDatasetIndex &index) const
Returns the relative time of the dataset from the persistent provider reference time.
int datasetCount(int groupIndex) const
Returns the total count of dataset group in the store.
void readXml(const QDomElement &storeElem, const QgsReadWriteContext &context)
Reads the store's information from a DOM document.
int globalDatasetGroupIndexInSource(QgsMeshDatasetSourceInterface *source, int nativeGroupIndex) const
Returns the global dataset group index of the dataset group with native index nativeGroupIndex in the...
int indexFromGroupName(const QString &groupName) const
Returns the global dataset group index of the dataset with name groupName.
void datasetGroupsAdded(QList< int > indexes)
Emitted after dataset groups are added.
QgsMesh3DDataBlock dataset3dValues(const QgsMeshDatasetIndex &index, int faceIndex, int count) const
Returns count 3D values of the dataset with global index and from valueIndex.
Tree item for display of the mesh dataset groups.
Abstract class that represents a dataset group.
QgsMeshDatasetIndex is index that identifies the dataset group (e.g.
QgsMeshDatasetMetadata is a collection of mesh dataset metadata such as whether the data is valid or ...
Interface for mesh datasets and dataset groups.
QgsMeshDatasetValue represents single dataset value.
Class that can be used to store and access extra dataset group, like memory dataset (temporary) Deriv...
int datasetCount(int groupIndex) const override
Returns number of datasets loaded in the group.
QString description(int groupIndex) const
Returns information related to the dataset group with groupIndex.
void updateTemporalCapabilities()
Updates the temporal capabilities.
QStringList extraDatasets() const override
Not implemented, always returns empty list.
QgsMeshDatasetGroup * datasetGroup(int groupIndex) const
Returns a pointer to the dataset group.
QgsMesh3DDataBlock dataset3dValues(QgsMeshDatasetIndex index, int faceIndex, int count) const override
Returns N vector/scalar values from the face index from the dataset for 3d stacked meshes.
bool persistDatasetGroup(const QString &outputFilePath, const QString &outputDriver, const QgsMeshDatasetGroupMetadata &meta, const QVector< QgsMeshDataBlock > &datasetValues, const QVector< QgsMeshDataBlock > &datasetActive, const QVector< double > &times) override
Not implemented, always returns true.
qint64 datasetRelativeTime(QgsMeshDatasetIndex index) const
Returns the relative times of the dataset index with index, returned value in milliseconds.
QgsMeshDataBlock datasetValues(QgsMeshDatasetIndex index, int valueIndex, int count) const override
Returns N vector/scalar values from the index from the dataset.
int addDatasetGroup(QgsMeshDatasetGroup *datasetGroup)
Adds a dataset group, returns the index of the added dataset group.
QgsMeshDataBlock areFacesActive(QgsMeshDatasetIndex index, int faceIndex, int count) const override
Returns whether the faces are active for particular dataset.
int datasetGroupCount() const override
Returns number of datasets groups loaded.
bool hasTemporalCapabilities() const
Returns whether if the dataset groups have temporal capabilities (a least one dataset group with more...
bool isFaceActive(QgsMeshDatasetIndex index, int faceIndex) const override
Returns whether the face is active for particular dataset.
QDomElement writeXml(int groupIndex, QDomDocument &doc, const QgsReadWriteContext &context)
Writes the store's information in a DOM document.
QgsMeshDatasetMetadata datasetMetadata(QgsMeshDatasetIndex index) const override
Returns dataset metadata.
void removeDatasetGroup(int index)
Removes the dataset group with the local index.
QgsMeshDatasetGroupMetadata datasetGroupMetadata(int groupIndex) const override
Returns dataset group metadata.
QgsMeshDatasetValue datasetValue(QgsMeshDatasetIndex index, int valueIndex) const override
Returns vector/scalar value associated with the index from the dataset To read multiple continuous va...
bool addDataset(const QString &uri) override
Not implemented, always returns false.
Represents a mesh layer supporting display of data on structured or unstructured meshes.
The class is used as a container of context for various read/write operations on other objects.