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Licence/Community Guidelines: Difference between revisions

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* '''[[License/Community_Guidelines/Horizontal Map Layers - Guideline|Horizontal Layers]]''' - The principle that a map maker can make and publish a map made from several distinct horizontal layers without being obliged to share data from the non-OpenStreetMap layers has been established for several years and is much clearer with the switch to the ODbL. Here we formalise and state what we are happy with and give examples that we hope will help potential OpenStreetMap users with incompatible sources.
 
* '''[[License/Community_Guidelines/Collective Database Guideline Guideline|Collective Database]]''' - A Collective Database is defined by the ODbL as a database consisting of a collection of “independent” databases. This Guideline clarifies that so long as a particular data type within a database consists entirely of non-OSM data within a regional cut, the OSM and non-OSM datasets will be considered “independent” and thus, the combination will be considered a Collective Database rather than a Derivative Database.
 
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