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Hi all,

May I ask that does there anyone know what is the map scale for the free shapefiles from GEOFABRIK(at the country level)?

Thanks for help in advance.

asked 20 Apr '16, 20:30

Digmaa's gravatar image

accept rate: 0%

Shape files do not have a map scale. A map scale determines the relationship between units in reality and units on the map. If you have a map that is 50cm wide and it depicts 50km in reality then its scale is 1:100k; a shape file does not have a scale because you can print it at any resolution.

By convention, certain scales also go along with a certain selection of features. For example, a 1:100k map will usually not show individual trees (even though it totally could, if it made the top of the tree about 0.1mm wide). When you ask "what scale are the shape files in", you probably want to know if there is a certain scale-dependent feature selection or generalisation in the shape files.

The answer to that is no, the Geofabrik shapes have no generalisation or simplification, and the feature selection is based on a very simple tag selection. For example, anything that has an amenity, tourism, shop, office, craft, historic, man_made, railway, or highway tag and is a node will be listed in the "points" shape file. The means that individual trees aren't available (they are natural=tree), while post boxes are (amenity=post_box).

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answered 20 Apr '16, 22:02

Frederik%20Ramm's gravatar image

Frederik Ramm ♦
accept rate: 23%

edited 21 Apr '16, 06:35

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question asked: 20 Apr '16, 20:30

question was seen: 2,916 times

last updated: 21 Apr '16, 06:35

NOTICE: is no longer in use from 1st March 2024. Please use the OpenStreetMap Community Forum