PBF Parser v0.1.0 PBFParser.Decoder View Source
This module provides function for decoding block data into appropriate structs representing OSM entities (Nodes, relations and ways).
Link to this section Summary
Functions
Decodes the raw PrimitiveBlock (as obtained from Decoder.decompress_block/1) into a more usable format. Each block usually contains around 8000 densely packed node entities and a number of relation and way entities. Those are extracted along with accompanying metadata
Decompresses zlib encoded block data (as obtained from Reader.stream/1)
Decompresses zlib encoded blockheader data (as obtained from Reader.stream/1)
Link to this section Functions
decode_block(PBFParser.Proto.OsmFormat.PrimitiveBlock.t()) :: [ Data.Node.t() | Data.Relation.t() | Data.Way.t() ]
Decodes the raw PrimitiveBlock (as obtained from Decoder.decompress_block/1) into a more usable format. Each block usually contains around 8000 densely packed node entities and a number of relation and way entities. Those are extracted along with accompanying metadata.
Returns a list containing Data.Node, Data.Relation and Data.Way structs.
decompress_block(iodata()) :: PBFParser.Proto.OsmFormat.PrimitiveBlock.t()
Decompresses zlib encoded block data (as obtained from Reader.stream/1).
Returns PrimitiveBlock, a struct generated directly from PBF protobuf specification.
decompress_header(iodata()) :: PBFParser.Proto.OsmFormat.HeaderBlock.t()
Decompresses zlib encoded blockheader data (as obtained from Reader.stream/1).
Returns HeaderBlock, a struct generated directly from PBF protobuf specification.