X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/5ff35d998459260e60bcb01aa7302f4706d043b1..36388cafe9709bff3153096690c3f88175084ee0:/docs/customize/Tokenizers.md?ds=sidebyside diff --git a/docs/customize/Tokenizers.md b/docs/customize/Tokenizers.md index 19d867dd..58606c29 100644 --- a/docs/customize/Tokenizers.md +++ b/docs/customize/Tokenizers.md @@ -205,6 +205,23 @@ The following is a list of sanitizers that are shipped with Nominatim. rendering: heading_level: 6 +##### clean-postcodes + +::: nominatim.tokenizer.sanitizers.clean_postcodes + selection: + members: False + rendering: + heading_level: 6 + +##### clean-tiger-tags + +::: nominatim.tokenizer.sanitizers.clean_tiger_tags + selection: + members: False + rendering: + heading_level: 6 + + #### Token Analysis @@ -222,8 +239,12 @@ by a sanitizer (see for example the The token-analysis section contains the list of configured analyzers. Each analyzer must have an `id` parameter that uniquely identifies the analyzer. The only exception is the default analyzer that is used when no special -analyzer was selected. There is one special id '@housenumber'. If an analyzer -with that name is present, it is used for normalization of house numbers. +analyzer was selected. There are analysers with special ids: + + * '@housenumber'. If an analyzer with that name is present, it is used + for normalization of house numbers. + * '@potcode'. If an analyzer with that name is present, it is used + for normalization of postcodes. Different analyzer implementations may exist. To select the implementation, the `analyzer` parameter must be set. The different implementations are @@ -356,6 +377,14 @@ house numbers of the form '3 a', '3A', '3-A' etc. are all considered equivalent. The analyzer cannot be customized. +##### Postcode token analyzer + +The analyzer `postcodes` is pupose-made to analyze postcodes. It supports +a 'lookup' varaint of the token, which produces variants with optional +spaces. Use together with the clean-postcodes sanitizer. + +The analyzer cannot be customized. + ### Reconfiguration Changing the configuration after the import is currently not possible, although