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QGIS API Documentation
3.18.1-Zürich (202f1bf7e5)
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This class is responsible for decoding raw tile data written with Mapbox Vector Tiles encoding. More...
#include <qgsvectortilemvtdecoder.h>
Public Member Functions | |
| QgsVectorTileMVTDecoder () | |
| ~QgsVectorTileMVTDecoder () | |
| bool | decode (QgsTileXYZ tileID, const QByteArray &rawTileData) |
| Tries to decode raw tile data, returns true on success. More... | |
| QgsVectorTileFeatures | layerFeatures (const QMap< QString, QgsFields > &perLayerFields, const QgsCoordinateTransform &ct, const QSet< QString > *layerSubset=nullptr) const |
| Returns decoded features grouped by sub-layers. More... | |
| QStringList | layerFieldNames (const QString &layerName) const |
| Returns a list of all field names in a tile. It can only be called after a successful decode() More... | |
| QStringList | layers () const |
| Returns a list of sub-layer names in a tile. It can only be called after a successful decode() More... | |
This class is responsible for decoding raw tile data written with Mapbox Vector Tiles encoding.
Definition at line 36 of file qgsvectortilemvtdecoder.h.
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| bool QgsVectorTileMVTDecoder::decode | ( | QgsTileXYZ | tileID, |
| const QByteArray & | rawTileData | ||
| ) |
Tries to decode raw tile data, returns true on success.
Definition at line 38 of file qgsvectortilemvtdecoder.cpp.
| QgsVectorTileFeatures QgsVectorTileMVTDecoder::layerFeatures | ( | const QMap< QString, QgsFields > & | perLayerFields, |
| const QgsCoordinateTransform & | ct, | ||
| const QSet< QString > * | layerSubset = nullptr |
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| ) | const |
Returns decoded features grouped by sub-layers.
It can only be called after a successful decode()
If layerSubset is specified then only features from the specified layers will be returned.
Definition at line 82 of file qgsvectortilemvtdecoder.cpp.
| QStringList QgsVectorTileMVTDecoder::layerFieldNames | ( | const QString & | layerName | ) | const |
Returns a list of all field names in a tile. It can only be called after a successful decode()
Definition at line 67 of file qgsvectortilemvtdecoder.cpp.
| QStringList QgsVectorTileMVTDecoder::layers | ( | ) | const |
Returns a list of sub-layer names in a tile. It can only be called after a successful decode()
Definition at line 55 of file qgsvectortilemvtdecoder.cpp.