package proto

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• optional bytes raw = 1

  No compression

• optional int32 raw_size = 2

  When compressed, the uncompressed size

• optional bytes zlib_data = 3

  Possible compressed versions of the data.

• optional bytes lzma_data = 4

  PROPOSED feature for LZMA compressed data. SUPPORT IS NOT REQUIRED.

• optional bytes OBSOLETE_bzip2_data = 5

  Formerly used for bzip2 compressed data. Depreciated in 2010.

  Don't reuse this tag number.

• required string type = 1

• optional bytes indexdata = 2

• required int32 datasize = 3

THIS IS STUB DESIGN FOR CHANGESETS. NOT USED RIGHT NOW. TODO: REMOVE THIS?

Used in: PrimitiveGroup

• required int64 id = 1

  // Parallel arrays. repeated uint32 keys = 2 [packed = true]; // String IDs. repeated uint32 vals = 3 [packed = true]; // String IDs. optional Info info = 4;

* Optional metadata that may be included into each primitive. Special dense format used in DenseNodes.

Used in: DenseNodes

• repeated int32 version = 1

• repeated sint64 timestamp = 2

  DELTA coded

• repeated sint64 changeset = 3

  DELTA coded

• repeated sint32 uid = 4

  DELTA coded

• repeated sint32 user_sid = 5

  String IDs for usernames. DELTA coded

• repeated bool visible = 6

  The visible flag is used to store history information. It indicates that the current object version has been created by a delete operation on the OSM API. When a writer sets this flag, it MUST add a required_features tag with value "HistoricalInformation" to the HeaderBlock. If this flag is not available for some object it MUST be assumed to be true if the file has the required_features tag "HistoricalInformation" set.

Used in: PrimitiveGroup

• repeated sint64 id = 1

  DELTA coded

• optional DenseInfo denseinfo = 5

  repeated Info info = 4;

• repeated sint64 lat = 8

  DELTA coded

• repeated sint64 lon = 9

  DELTA coded

• repeated int32 keys_vals = 10

  Special packing of keys and vals into one array. May be empty if all nodes in this block are tagless.

Used in: HeaderBlock

• required sint64 left = 1

• required sint64 right = 2

• required sint64 top = 3

• required sint64 bottom = 4

• optional HeaderBBox bbox = 1

• repeated string required_features = 4

  Additional tags to aid in parsing this dataset

• repeated string optional_features = 5

• optional string writingprogram = 16

• optional string source = 17

  From the bbox field.

• optional int64 osmosis_replication_timestamp = 32

  replication timestamp, expressed in seconds since the epoch, otherwise the same value as in the "timestamp=..." field in the state.txt file used by Osmosis

• optional int64 osmosis_replication_sequence_number = 33

  replication sequence number (sequenceNumber in state.txt)

• optional string osmosis_replication_base_url = 34

  replication base URL (from Osmosis' configuration.txt file)

Optional metadata that may be included into each primitive.

Used in: Node, Relation, Way

• optional int32 version = 1

• optional int64 timestamp = 2

• optional int64 changeset = 3

• optional int32 uid = 4

• optional uint32 user_sid = 5

  String IDs

• optional bool visible = 6

  The visible flag is used to store history information. It indicates that the current object version has been created by a delete operation on the OSM API. When a writer sets this flag, it MUST add a required_features tag with value "HistoricalInformation" to the HeaderBlock. If this flag is not available for some object it MUST be assumed to be true if the file has the required_features tag "HistoricalInformation" set.

Used in: PrimitiveGroup

• required sint64 id = 1

• repeated uint32 keys = 2

  Parallel arrays.

  String IDs.

• repeated uint32 vals = 3

  String IDs.

• optional Info info = 4

  May be omitted in omitmeta

• required sint64 lat = 8

• required sint64 lon = 9

• required StringTable stringtable = 1

• repeated PrimitiveGroup primitivegroup = 2

• optional int32 granularity = 17

  Granularity, units of nanodegrees, used to store coordinates in this block

• optional int64 lat_offset = 19

  Offset value between the output coordinates coordinates and the granularity grid in unites of nanodegrees.

• optional int64 lon_offset = 20

• optional int32 date_granularity = 18

  Granularity of dates, normally represented in units of milliseconds since the 1970 epoch.

Group of OSMPrimitives. All primitives in a group must be the same type.

Used in: PrimitiveBlock

• repeated Node nodes = 1

• optional DenseNodes dense = 2

• repeated Way ways = 3

• repeated Relation relations = 4

• repeated ChangeSet changesets = 5

Used in: PrimitiveGroup

• required int64 id = 1

• repeated uint32 keys = 2

  Parallel arrays.

• repeated uint32 vals = 3

• optional Info info = 4

• repeated int32 roles_sid = 8

  Parallel arrays

• repeated sint64 memids = 9

  DELTA encoded

• repeated Relation.MemberType types = 10

Used in: Relation

• NODE = 0

• WAY = 1

• RELATION = 2

* String table, contains the common strings in each block. Note that we reserve index '0' as a delimiter, so the entry at that index in the table is ALWAYS blank and unused.

Used in: PrimitiveBlock

• repeated bytes s = 1

Used in: PrimitiveGroup

• required int64 id = 1

• repeated uint32 keys = 2

  Parallel arrays.

• repeated uint32 vals = 3

• optional Info info = 4

• repeated sint64 refs = 8

  DELTA coded

• repeated sint64 lat = 9

• repeated sint64 lon = 10