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obs-portal/tile-generator/LICENSE.md
Paul Bienkowski ec60fc3873 Start working on PostGIS supported tile generation
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Copyright (c) 2016, KlokanTech.com & OpenMapTiles contributors.
All rights reserved.

The vector tile schema has been developed by Klokan Technologies GmbH and was initially modelled after the cartography of the CARTO's Positron basemap with permission from CartoDB Inc. The vector tile schema has been refined and improved in cooperation with the Wikimedia Foundation and is heavily influenced by years of Paul Norman's experience of creating maps from OpenStreetMap data.

Code license: BSD 3-Clause License

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

  • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

  • Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Design license: CC-BY 4.0

The cartography and visual design features of the map tile schema (also known as the "look and feel" of the map) are licensed under the Creative Commons Attribution 4.0 license. To view a copy of the license, visit http://creativecommons.org/licenses/by/4.0/.

Products or services using maps derived from OpenMapTiles schema need to visibly credit "OpenMapTiles.org" or reference "OpenMapTiles" with a link to http://openmaptiles.org/.

For a browsable electronic map based on OpenMapTiles and OpenStreetMap data, the credit should appear in the corner of the map. For example:

© OpenMapTiles © OpenStreetMap contributors

For printed and static maps a similar attribution should be made in a textual description near the image, in the same fashion as if you cite a photograph.

Exceptions to OpenMapTiles attribution requirement can be in a written form granted by Klokan Technologies GmbH (info@klokantech.com).
The project contributors grant Klokan Technologies GmbH the license to give such exceptions on a commercial basis.