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An accelerating proxy for web map services

Project description

MapProxy is an open source proxy for geospatial data. It caches, accelerates and transforms data from existing map services and serves any desktop or web GIS client.

MapProxy is a tile cache, but also offers many new and innovative features like full support for WMS clients.

MapProxy is actively developed and supported by Omniscale, it is released under the Apache Software License 2.0, runs on Unix/Linux and Windows and is easy to install and to configure.

Go to for more information.

The documentation is available at:


1.3.0 2012-01-13

No changes since 1.3.0b1

1.3.0b1 2012-01-03


  • support for RESTful WMTS requests with custom URL templates
  • support for CouchDB as tile backend
  • support for Mapnik 2 sources
  • limit maximum WMS response size with max_output_pixels
  • new color option for watermarks
  • new mapproxy-util serve-multiapp-develop command
  • new wms.bbox_srs option for bounding boxes in multiple SRS in WMS capabilities


  • log exceptions when returning internal errors (500)


  • fix BBOX in WMS-C capabilities
  • prevent exception for WMS requests with unsupported image formats with mime-type options (like ‘image/png; mode=24bit’)
  • fixed blank image results for servers that call .close() on the response (like gunicorn)


  • origin option for tile sources is deprecated. use a custom grid with the appropriate origin.

1.2.1 2011-09-01


  • fixed configuration of watermarks
  • support for unicode title in old-style layer configuration

1.2.0 2011-08-31


  • fixed links in demo service when running as MultiMapProxy

1.2.0b1 2011-08-17


  • support for MBTiles cache
  • support for (tagged-) layers for Mapnik sources
  • configurable cache layout (tilecache/TMS)
  • new mapproxy-util scales tool
  • use MultiMapProxy with server scripts (mapproxy.multiapp.make_wsgi_app)


  • prevent black borders for some custom grid configurations
  • all fixes from 1.1.x

1.1.2 2011-07-06


  • compatibility with older PyYAML versions
  • do not try to transform tiled=true requests
  • escape Windows path in wsgi-app template

1.1.1 2011-06-26


  • add back transparent option for mapnik/tile sources (in addition to image.transparent)
  • keep alpha channel when handling image.transparent_color
  • fixed combining of multiple WMS layers with transparent_color
  • fixed header parsing for MapServer CGI source

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