Imposm

Imposm is a module to import OpenStreetMap data. It reads XML and PBF files and can import the data into PostgreSQL/PostGIS databases.

It is designed to create databases that are optimized for rendering/WMS services.

It is developed and supported by Omniscale, runs on Linux or Mac OS X and is released as open source under the Apache Software License 2.0.

See http://imposm.org/ for more information.

What is new in this release:

• new Class and Type field types
• add support to disable automatic type column
• new --connection option
• support for PostGIS Trigram indices
• do not try to simplify empty geometries
• limit progress logging to 5 times per second
• use SERIAL as primary key to support multiple features with the same OSM ID
• new optional splitting of long line strings
• use BIGINT for OSM ID in Postgres to support 64bit OSM IDs

What is new in version 2.3.1:

• DROP views instead of REPLACE to prevent errors when columns changed

What is new in version 2.2.0:

• support for Shapely speedups (>=1.2.10)
• new --port option for PostgreSQL port
• reduced size of nodes cache by ~40%
• store inserted ways in extra cache
• support for relations type=boundary
• new faster relation builder that supports relations with >1000 rings
• set import options in mapping file
• import_partial_relations=True/False
• relation_builder=contains(new)/union(old)
• imposm_multipolygon_report=60(seconds)
• imposm_multipolygon_max_ring=0

What is new in version 2.1.3:

• support for colons and other special chars in field and table names (e.g. de:name)

What is new in version 2.1.2:

• make it work on 32bit systems

What is new in version 2.1.1:

• new --proj option to change DB projection from EPSG:900913
• abort if there are existing cache files
• new --merge-cache and --overwrite-cache options

Requirements:

• Python