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OpenStreetMap importer for PostGIS.

Project Description

Imposm is an importer for 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.

Changelog

2.6.0 2015-01-10

  • improve load performance of large limit-to geometries
  • check connection before reading and fail if unable to connect
  • new BoundaryPolygons mapping class that keeps inserted ways
  • quote column names when generalizing table
  • only skip import of polygons if way was inserted as multipolygon
  • only look for tables/views/indexes with schema=public when rotating tables
  • updated generated code for internal cache
  • minor fixes

2.5.0 2012-12-06

  • PostGIS 2 support
  • new –limit-to option to limit imports to polygons
  • added –quiet option that only logs progress once per minute
  • add StringIndex and Index mappings for PostgreSQL
  • always drop tables _and_ views with same name before creating new table/view. allows to change mappings from views to tables and vice versa.
  • internal refactoring to make support for non SQL databases easier

2.4.0 2012-03-30

  • 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

2.3.2 2011-09-05

  • fixed –table-prefix
  • add –debug option for more verbose output
  • fixed way merging
  • fixed default_name_fields for UnionViews
  • improved (contains) relation builder

2.3.1 2011-07-05

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

2.3.0 2011-07-05

  • new PseudoArea field type
  • new Name and LocalizedName field type
  • update SRS in GeneralizedTables and UnionTables
  • new waterareas_gen0|1 in default style
  • new area field in landusages table
  • new meter_to_mapunit function to use same mapping for EPSG:4326 and projected SRS

2.2.0 2011-06-01

  • 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

2.1.3 2011-04-19

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

2.1.2 2011-04-13

  • make it work on 32bit systems

2.1.1 2011-04-12

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

2.1.0 2011-03-29

  • first open source release
Release History

Release History

This version
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2.6.0

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2.5.0

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2.4.0

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2.3.2

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2.3.1

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2.3.0

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2.2.0

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2.1.3

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2.1.2

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2.1.1

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2.1.0-20110329

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2.1.0

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