mirror of
https://github.com/qgis/QGIS.git
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802 lines
19 KiB
Plaintext
802 lines
19 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/mesh/qgsmeshdataprovider.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsMeshDatasetIndex
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{
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%Docstring
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QgsMeshDatasetIndex is index that identifies the dataset group (e.g. wind speed)
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and a dataset in this group (e.g. magnitude of wind speed in particular time)
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.. note::
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The API is considered EXPERIMENTAL and can be changed without a notice
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.. versionadded:: 3.4
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%End
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%TypeHeaderCode
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#include "qgsmeshdataprovider.h"
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%End
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public:
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QgsMeshDatasetIndex( int group = -1, int dataset = -1 );
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%Docstring
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Creates an index. -1 represents invalid group/dataset
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%End
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int group() const;
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%Docstring
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Returns a group index
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%End
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int dataset() const;
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%Docstring
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Returns a dataset index within group()
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%End
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bool isValid() const;
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%Docstring
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Returns whether index is valid, ie at least groups is set
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%End
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bool operator == ( QgsMeshDatasetIndex other ) const;
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bool operator != ( QgsMeshDatasetIndex other ) const;
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};
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typedef QgsPoint QgsMeshVertex;
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typedef QVector<int> QgsMeshFace;
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struct QgsMesh
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{
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int vertexCount() const;
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%Docstring
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Returns number of vertices
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%End
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int faceCount() const;
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%Docstring
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Returns number of faces
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%End
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QgsMeshVertex vertex( int index ) const;
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%Docstring
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Returns a vertex at the index
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%End
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QgsMeshFace face( int index ) const;
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%Docstring
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Returns a face at the index
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%End
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};
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class QgsMeshDatasetValue
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{
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%Docstring
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QgsMeshDatasetValue represents single dataset value
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could be scalar or vector. Nodata values are represented by NaNs.
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.. note::
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The API is considered EXPERIMENTAL and can be changed without a notice
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.. versionadded:: 3.2
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%End
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%TypeHeaderCode
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#include "qgsmeshdataprovider.h"
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%End
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public:
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QgsMeshDatasetValue( double x,
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double y );
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%Docstring
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Constructor for vector value
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%End
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QgsMeshDatasetValue( double scalar );
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%Docstring
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Constructor for scalar value
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%End
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QgsMeshDatasetValue();
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%Docstring
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Default Ctor, initialize to NaN
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%End
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~QgsMeshDatasetValue();
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void set( double scalar );
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%Docstring
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Sets scalar value
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%End
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void setX( double x );
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%Docstring
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Sets X value
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%End
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void setY( double y );
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%Docstring
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Sets Y value
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%End
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double scalar() const;
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%Docstring
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Returns magnitude of vector for vector data or scalar value for scalar data
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%End
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double x() const;
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%Docstring
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Returns x value
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%End
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double y() const;
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%Docstring
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Returns y value
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%End
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bool operator==( QgsMeshDatasetValue other ) const;
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};
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class QgsMeshDataBlock
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{
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%Docstring
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QgsMeshDataBlock is a block of integers/doubles that can be used
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to retrieve:
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active flags (e.g. face's active integer flag)
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scalars (e.g. scalar dataset double values)
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vectors (e.g. vector dataset doubles x,y values)
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data are implicitly shared, so the class can be quickly copied
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std.numeric_limits<double>.quiet_NaN() represents NODATA value
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Data can be accessed all at once with values() (faster) or
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value by value (slower) with active() or value()
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.. versionadded:: 3.6
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%End
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%TypeHeaderCode
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#include "qgsmeshdataprovider.h"
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%End
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public:
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enum DataType
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{
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ActiveFlagInteger,
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ScalarDouble,
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Vector2DDouble,
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};
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QgsMeshDataBlock();
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%Docstring
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Constructs an invalid block
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%End
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QgsMeshDataBlock( DataType type, int count );
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%Docstring
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Constructs a new block
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%End
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DataType type() const;
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%Docstring
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Type of data stored in the block
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%End
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int count() const;
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%Docstring
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Number of items stored in the block
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%End
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bool isValid() const;
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%Docstring
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Whether the block is valid
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%End
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QgsMeshDatasetValue value( int index ) const;
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%Docstring
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Returns a value represented by the index
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For active flag the behavior is undefined
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%End
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bool active( int index ) const;
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%Docstring
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Returns a value for active flag by the index
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For scalar and vector 2d the behavior is undefined
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%End
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void setActive( const QVector<int> &vals );
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%Docstring
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Sets active flag values.
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If the data provider/datasets does not have active
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flag capability (== all values are valid), just
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set block validity by setValid( true )
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:param vals: value vector with size count()
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For scalar and vector 2d the behavior is undefined
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.. versionadded:: 3.12
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%End
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QVector<int> active() const;
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%Docstring
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Returns active flag array
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Even for active flag valid dataset, the returned array could be empty.
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This means that the data provider/dataset does not support active flag
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capability, so all faces are active by default.
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For scalar and vector 2d the behavior is undefined
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.. versionadded:: 3.12
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%End
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QVector<double> values() const;
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%Docstring
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Returns buffer to the array with values
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For vector it is pairs (x1, y1, x2, y2, ... )
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.. versionadded:: 3.12
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%End
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void setValues( const QVector<double> &vals );
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%Docstring
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Sets values
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For scalar datasets, it must have size count()
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For vector datasets, it must have size 2 * count()
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For active flag the behavior is undefined
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.. versionadded:: 3.12
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%End
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void setValid( bool valid );
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%Docstring
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Sets block validity
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%End
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};
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class QgsMesh3dDataBlock
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{
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%Docstring
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QgsMesh3dDataBlock is a block of 3d stacked mesh data related N
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faces defined on base mesh frame.
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data are implicitly shared, so the class can be quickly copied
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std.numeric_limits<double>.quiet_NaN() represents NODATA value
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.. note::
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The API is considered EXPERIMENTAL and can be changed without a notice
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.. versionadded:: 3.12
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%End
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%TypeHeaderCode
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#include "qgsmeshdataprovider.h"
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%End
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public:
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QgsMesh3dDataBlock();
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%Docstring
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Constructs an invalid block
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%End
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~QgsMesh3dDataBlock();
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QgsMesh3dDataBlock( int count, bool isVector );
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%Docstring
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Constructs a new block for count faces
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%End
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void setValid( bool valid );
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%Docstring
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Sets block validity
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%End
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bool isValid() const;
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%Docstring
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Whether the block is valid
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%End
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bool isVector() const;
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%Docstring
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Whether we store vector values
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%End
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int count() const;
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%Docstring
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Number of 2d faces for which the volume data is stored in the block
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%End
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int firstVolumeIndex() const;
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%Docstring
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Index of the first volume stored in the buffer (absolute)
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%End
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int lastVolumeIndex() const;
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%Docstring
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Index of the last volume stored in the buffer (absolute)
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%End
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int volumesCount() const;
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%Docstring
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Returns number of volumes stored in the buffer
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%End
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QVector<int> verticalLevelsCount() const;
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%Docstring
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Returns number of vertical level above 2d faces
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%End
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void setVerticalLevelsCount( const QVector<int> &verticalLevelsCount );
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%Docstring
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Sets the vertical level counts
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%End
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QVector<double> verticalLevels() const;
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%Docstring
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Returns the vertical levels height
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%End
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void setVerticalLevels( const QVector<double> &verticalLevels );
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%Docstring
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Sets the vertical levels height
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%End
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QVector<int> faceToVolumeIndex() const;
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%Docstring
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Returns the indexing between faces and volumes
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%End
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void setFaceToVolumeIndex( const QVector<int> &faceToVolumeIndex );
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%Docstring
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Sets the indexing between faces and volumes
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%End
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QVector<double> values() const;
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%Docstring
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Returns the values at volume centers
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For vector datasets the number of values is doubled (x1, y1, x2, y2, ... )
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%End
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QgsMeshDatasetValue value( int volumeIndex ) const;
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%Docstring
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Returns the value at volume centers
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:param volumeIndex: volume index relative to firstVolumeIndex()
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:return: value (scalar or vector)
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%End
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void setValues( const QVector<double> &doubleBuffer );
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%Docstring
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Sets the values at volume centers
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For vector datasets the number of values is doubled (x1, y1, x2, y2, ... )
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%End
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};
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class QgsMeshDatasetGroupMetadata
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{
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%Docstring
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QgsMeshDatasetGroupMetadata is a collection of dataset group metadata
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such as whether the data is vector or scalar, name
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.. note::
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The API is considered EXPERIMENTAL and can be changed without a notice
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.. versionadded:: 3.4
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%End
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%TypeHeaderCode
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#include "qgsmeshdataprovider.h"
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%End
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public:
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enum DataType
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{
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DataOnFaces,
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DataOnVertices,
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DataOnVolumes
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};
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QgsMeshDatasetGroupMetadata();
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%Docstring
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Constructs an empty metadata object
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%End
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QgsMeshDatasetGroupMetadata( const QString &name,
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bool isScalar,
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DataType dataType,
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double minimum,
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double maximum,
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int maximumVerticalLevels,
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const QDateTime &referenceTime,
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const QMap<QString, QString> &extraOptions );
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%Docstring
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Constructs a valid metadata object
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:param name: name of the dataset group
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:param isScalar: dataset contains scalar data, specifically the y-value of QgsMeshDatasetValue is NaN
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:param dataType: where the data are defined on (vertices, faces or volumes)
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:param minimum: minimum value (magnitude for vectors) present among all group's dataset values
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:param maximum: maximum value (magnitude for vectors) present among all group's dataset values
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:param maximumVerticalLevels: maximum number of vertical levels for 3d stacked meshes, 0 for 2d meshes
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:param referenceTime: reference time of the dataset group
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:param extraOptions: dataset's extra options stored by the provider. Usually contains the name, time value, time units, data file vendor, ...
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%End
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QString name() const;
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%Docstring
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Returns name of the dataset group
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%End
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QMap<QString, QString> extraOptions() const;
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%Docstring
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Returns extra metadata options, for example description
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%End
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bool isVector() const;
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%Docstring
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Returns whether dataset group has vector data
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%End
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bool isScalar() const;
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%Docstring
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Returns whether dataset group has scalar data
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%End
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DataType dataType() const;
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%Docstring
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Returns whether dataset group data is defined on vertices or faces or volumes
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.. versionadded:: 3.12
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%End
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double minimum() const;
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%Docstring
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Returns minimum scalar value/vector magnitude present for whole dataset group
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%End
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double maximum() const;
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%Docstring
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Returns maximum scalar value/vector magnitude present for whole dataset group
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%End
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int maximumVerticalLevelsCount() const;
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%Docstring
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Returns maximum number of vertical levels for 3d stacked meshes
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.. versionadded:: 3.12
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%End
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QDateTime referenceTime() const;
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%Docstring
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Returns the reference time
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.. versionadded:: 3.12
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%End
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};
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class QgsMeshDatasetMetadata
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{
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%Docstring
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QgsMeshDatasetMetadata is a collection of mesh dataset metadata such
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as whether the data is valid or associated time for the dataset
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.. note::
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The API is considered EXPERIMENTAL and can be changed without a notice
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.. versionadded:: 3.2
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%End
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%TypeHeaderCode
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#include "qgsmeshdataprovider.h"
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%End
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public:
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QgsMeshDatasetMetadata();
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%Docstring
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Constructs an empty metadata object
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%End
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QgsMeshDatasetMetadata( double time,
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bool isValid,
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double minimum,
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double maximum,
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int maximumVerticalLevels
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);
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%Docstring
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Constructs a valid metadata object
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:param time: a time which this dataset represents in the dataset group
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:param isValid: dataset is loadad and valid for fetching the data
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:param minimum: minimum value (magnitude for vectors) present among dataset values
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:param maximum: maximum value (magnitude for vectors) present among dataset values
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:param maximumVerticalLevels: maximum number of vertical levels for 3d stacked meshes, 0 for 2d meshes
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%End
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double time() const;
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%Docstring
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Returns the time value for this dataset
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%End
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bool isValid() const;
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%Docstring
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Returns whether dataset is valid
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%End
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double minimum() const;
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%Docstring
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Returns minimum scalar value/vector magnitude present for the dataset
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%End
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double maximum() const;
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%Docstring
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Returns maximum scalar value/vector magnitude present for the dataset
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%End
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int maximumVerticalLevelsCount() const;
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%Docstring
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Returns maximum number of vertical levels for 3d stacked meshes
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.. versionadded:: 3.12
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%End
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};
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class QgsMeshDataSourceInterface /Abstract/
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{
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%Docstring
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Interface for mesh data sources
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Mesh is a collection of vertices and faces in 2D or 3D space
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- vertex - XY(Z) point (in the mesh's coordinate reference system)
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- faces - sets of vertices forming a closed shape - typically triangles or quadrilaterals
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Base on the underlying data provider/format, whole mesh is either stored in memory or
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read on demand
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.. note::
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The API is considered EXPERIMENTAL and can be changed without a notice
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|
.. versionadded:: 3.2
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%End
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%TypeHeaderCode
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#include "qgsmeshdataprovider.h"
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%End
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public:
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virtual ~QgsMeshDataSourceInterface();
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virtual int vertexCount() const = 0;
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%Docstring
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Returns number of vertices in the native mesh
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:return: Number of vertices in the mesh
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%End
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virtual int faceCount() const = 0;
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%Docstring
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Returns number of faces in the native mesh
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:return: Number of faces in the mesh
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%End
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virtual void populateMesh( QgsMesh *mesh ) const = 0;
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%Docstring
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Populates the mesh vertices and faces
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.. versionadded:: 3.6
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%End
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};
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class QgsMeshDatasetSourceInterface /Abstract/
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{
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%Docstring
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Interface for mesh datasets and dataset groups
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Dataset is a collection of vector or scalar values on vertices or faces of the mesh.
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Based on the underlying data provider/format, whole dataset is either stored in memory
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or read on demand
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Datasets are grouped in the dataset groups. A dataset group represents a measured quantity
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(e.g. depth or wind speed), dataset represents values of the quantity in a particular time.
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.. note::
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The API is considered EXPERIMENTAL and can be changed without a notice
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|
.. versionadded:: 3.2
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%End
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|
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%TypeHeaderCode
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#include "qgsmeshdataprovider.h"
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%End
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public:
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virtual ~QgsMeshDatasetSourceInterface();
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virtual bool addDataset( const QString &uri ) = 0;
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%Docstring
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Associate dataset with the mesh
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emits dataChanged when successful
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%End
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virtual QStringList extraDatasets() const = 0;
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%Docstring
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Returns list of additional dataset file URIs added using addDataset() calls.
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%End
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virtual int datasetGroupCount( ) const = 0;
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%Docstring
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|
Returns number of datasets groups loaded
|
|
%End
|
|
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|
virtual int datasetCount( int groupIndex ) const = 0;
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|
%Docstring
|
|
Returns number of datasets loaded in the group
|
|
%End
|
|
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|
int datasetCount( QgsMeshDatasetIndex index ) const;
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|
%Docstring
|
|
Returns number of datasets loaded in the group
|
|
%End
|
|
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|
virtual QgsMeshDatasetGroupMetadata datasetGroupMetadata( int groupIndex ) const = 0;
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|
%Docstring
|
|
Returns dataset group metadata
|
|
%End
|
|
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|
QgsMeshDatasetGroupMetadata datasetGroupMetadata( QgsMeshDatasetIndex index ) const;
|
|
%Docstring
|
|
Returns dataset group metadata
|
|
%End
|
|
|
|
virtual QgsMeshDatasetMetadata datasetMetadata( QgsMeshDatasetIndex index ) const = 0;
|
|
%Docstring
|
|
Returns dataset metadata
|
|
%End
|
|
|
|
virtual QgsMeshDatasetValue datasetValue( QgsMeshDatasetIndex index, int valueIndex ) const = 0;
|
|
%Docstring
|
|
Returns vector/scalar value associated with the index from the dataset
|
|
To read multiple continuous values, use datasetValues()
|
|
|
|
See QgsMeshDatasetMetadata.isVector() or :py:func:`QgsMeshDataBlock.type()`
|
|
to check if the returned value is vector or scalar
|
|
|
|
Returns invalid value for DataOnVolumes
|
|
|
|
.. seealso:: :py:func:`datasetValues`
|
|
%End
|
|
|
|
virtual QgsMeshDataBlock datasetValues( QgsMeshDatasetIndex index, int valueIndex, int count ) const = 0;
|
|
%Docstring
|
|
Returns N vector/scalar values from the index from the dataset
|
|
|
|
See QgsMeshDatasetMetadata.isVector() or :py:func:`QgsMeshDataBlock.type()`
|
|
to check if the returned value is vector or scalar
|
|
|
|
Returns invalid block for DataOnVolumes. Use QgsMeshLayerUtils.datasetValues() if you
|
|
need block for any type of data type
|
|
|
|
.. versionadded:: 3.6
|
|
%End
|
|
|
|
virtual QgsMesh3dDataBlock dataset3dValues( QgsMeshDatasetIndex index, int faceIndex, int count ) const = 0;
|
|
%Docstring
|
|
Returns N vector/scalar values from the face index from the dataset for 3d stacked meshes
|
|
|
|
See QgsMeshDatasetMetadata.isVector() to check if the returned value is vector or scalar
|
|
|
|
returns invalid block for DataOnFaces and DataOnVertices.
|
|
|
|
.. seealso:: :py:func:`datasetValues`
|
|
|
|
.. versionadded:: 3.12
|
|
%End
|
|
|
|
virtual bool isFaceActive( QgsMeshDatasetIndex index, int faceIndex ) const = 0;
|
|
%Docstring
|
|
Returns whether the face is active for particular dataset
|
|
|
|
For example to represent the situation when F1 and F3 are flooded, but F2 is dry,
|
|
some solvers store water depth on vertices V1-V8 (all non-zero values) and
|
|
set active flag for F2 to ``False``.
|
|
V1 ---- V2 ---- V5-----V7
|
|
| F1 | F2 | F3 |
|
|
V3 ---- V4 ---- V6-----V8
|
|
%End
|
|
|
|
virtual QgsMeshDataBlock areFacesActive( QgsMeshDatasetIndex index, int faceIndex, int count ) const = 0;
|
|
%Docstring
|
|
Returns whether the faces are active for particular dataset
|
|
|
|
.. versionadded:: 3.6
|
|
%End
|
|
|
|
virtual bool persistDatasetGroup( const QString &path,
|
|
const QgsMeshDatasetGroupMetadata &meta,
|
|
const QVector<QgsMeshDataBlock> &datasetValues,
|
|
const QVector<QgsMeshDataBlock> &datasetActive,
|
|
const QVector<double> ×
|
|
) = 0;
|
|
%Docstring
|
|
Creates a new dataset group from a data and
|
|
persists it into a destination path
|
|
|
|
On success, the mesh's dataset group count is changed
|
|
|
|
:param path: destination path of the stored file in form DRIVER_NAME:path
|
|
:param meta: new group's metadata
|
|
:param datasetValues: scalar/vector values for all datasets and all faces/vertices in the group
|
|
:param datasetActive: active flag values for all datasets in the group. Empty array represents can be used
|
|
when all faces are active
|
|
:param times: times in hours for all datasets in the group
|
|
|
|
:return: ``True`` on failure, ``False`` on success
|
|
|
|
.. versionadded:: 3.6
|
|
%End
|
|
};
|
|
|
|
|
|
class QgsMeshDataProvider: QgsDataProvider, QgsMeshDataSourceInterface, QgsMeshDatasetSourceInterface
|
|
{
|
|
%Docstring
|
|
Base class for providing data for :py:class:`QgsMeshLayer`
|
|
|
|
Responsible for reading native mesh data
|
|
|
|
.. note::
|
|
|
|
The API is considered EXPERIMENTAL and can be changed without a notice
|
|
|
|
.. versionadded:: 3.2
|
|
%End
|
|
|
|
%TypeHeaderCode
|
|
#include "qgsmeshdataprovider.h"
|
|
%End
|
|
public:
|
|
QgsMeshDataProvider( const QString &uri, const QgsDataProvider::ProviderOptions &providerOptions );
|
|
%Docstring
|
|
Ctor
|
|
%End
|
|
|
|
signals:
|
|
void datasetGroupsAdded( int count );
|
|
%Docstring
|
|
Emitted when some new dataset groups have been added
|
|
%End
|
|
};
|
|
|
|
/************************************************************************
|
|
* This file has been generated automatically from *
|
|
* *
|
|
* src/core/mesh/qgsmeshdataprovider.h *
|
|
* *
|
|
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
|
|
************************************************************************/
|