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linux default iconImposm Publisher's description

Imposm is an importer for OpenStreetMap data....

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.


Custom database schemas
It creates tables for different data types. This allows easier styling and better performance for rendering in WMS or tile services.
Multiple CPU/core support
Impsom is parallel from the ground up. It distributes parsing and processing to multiple CPUs/cores.
Unify values
For example, the boolean values 1, on, true and yes all become TRUE.
Filter by tags and values
It only imports data you are going to render/use.
Efficient nodes cache
It is necessary to store all nodes to build ways and relations. Imposm uses a file-based key-value database (Tokyo Cabinet) to cache this data. This reduces the memory usage.
Generalized tables
It can automatically create tables with lower spatial resolutions, perfect for rendering large road networks in low resolutions for example.
Union views
It can create views that combine multiple tables.

What's New in This Release:

В· DROP views instead of REPLACE to prevent errors when columns changed

System Requirements:

В· Python
Program Release Status: Minor Update
Program Install Support: Install and Uninstall

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