{"id":121091,"date":"2024-12-19T21:45:59","date_gmt":"2024-12-19T19:46:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-overture-maps-opublikoval-otkrytuyu-kartu-dorozhnyh-setej"},"modified":"2024-12-19T21:45:59","modified_gmt":"2024-12-19T19:46:01","slug":"proekt-overture-maps-opublikoval-otkrytuyu-kartu-dorozhnyh-setej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/proekt-overture-maps-opublikoval-otkrytuyu-kartu-dorozhnyh-setej","title":{"rendered":"Overture Maps-projektet har offentliggjort et \u00e5bent kort over vejnetv\u00e6rk","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Det non-profit projekt Overture Maps, der opererer under Linux Foundation, har offentliggjort en version af kortdatabasen «Transportation», kendt som den f\u00f8rste, der er klar til bred anvendelse. Databasen inkluderer information om 86 millioner kilometer veje globalt og anvendes allerede i applikationer fra virksomheder som Microsoft, Meta og TomTom. Det komplette arkiv af databasen i GeoParquet-format fylder cirka 500 GB, og separate segmenter for udvalgte omr\u00e5der kan downloades via et web-interface med et interaktivt kort. <\/p>\n

Projektet Overture Maps er grundlagt af virksomhederne Amazon, Meta, Microsoft og TomTom, der p\u00e5 den neutrale platform Linux Foundation besluttede at samle deres kr\u00e6fter om at skabe en f\u00e6lles samling af \u00e5bne kort samt udvikle v\u00e6rkt\u00f8jer til arbejdet med kort og en ensartet opbevaringsmodel for kortdata. Alle interesserede kan bruge de offentliggjorte kort og v\u00e6rkt\u00f8jer til at skabe deres egne korttjenester og holde dem opdaterede. <\/p>\n

I oprettelsen af Overture Maps-samlingen er kortene fra OpenStreetMap anvendt som grundlag, udvidet med kortdata, der er leveret af projektets deltagere, samt oplysninger fra \u00e5bne kilder. Forskellen mellem Overture Maps og OpenStreetMap er, at OpenStreetMap er et f\u00e6llesskab for oprettelse og redigering af kort, mens Overture Maps fokuserer p\u00e5 aggregering af allerede eksisterende \u00e5bne kort fra forskellige kilder. Samtidig giver Overture Maps mulighed for at overf\u00f8re alle sine kort til OpenStreetMap og distribuerer de s\u00e5ledes opn\u00e5ede data under en licens, der er kompatibel med OpenStreetMap. <\/p>\n

Kortene, der leveres af projektets deltagere, distribueres under den permissive licens CDLA (Community Data License Agreement), mens kort indl\u00e6st fra OpenStreetMap er under licensen ODbL (Open Database Licence). Begge licenser er specifikt designet til distribution af databaser og tager i forhold til Creative Commons-licenser h\u00f8jde for en r\u00e6kke juridiske nuancer vedr\u00f8rende blanding af data fra forskellige kilder og bevarelsen af licensbetingelserne ved \u00e6ndring af strukturen eller r\u00e6kkef\u00f8lgen af poster. Kildekoderne til Overture Maps-v\u00e6rkt\u00f8jerne leveres under MIT-licensen. <\/p>\n

De data, der inkluderes i Overture Maps-samlingen, kontrolleres for n\u00f8jagtighed, opdateres og renses for fejl. Samlingen «Transportation» indeholder detaljerede vejkort, som er pr\u00e6ciseret med oplysninger fra luftfotos og er udstyret med information om installerede vejskilte, hastighedsgr\u00e6nser, trafikbegr\u00e6nsninger, f\u00e6rgeruter og jernbaner. Alle data i samlingen er standardiseret til et ensartet s\u00e6t attributter, og en ensartet reference-ordning, GERS (Global Entity Reference System), anvendes til at knytte data til objekterne. <\/p>\n

GERS muligg\u00f8r at knytte eksterne data til punkter p\u00e5 kortet og udstyre dem med unikke identifikatorer. For eksempel kan oplysninger om trafikulykker, skader p\u00e5 vejbanen, information om vejreparationsomr\u00e5der og data om den bev\u00e6gende trafik knyttes. Markeringer placeres som forskydninger i meter i forhold til starten af et bestemt segment af kortet. Lagringsskemaet er oprindeligt designet med henblik p\u00e5 transportabilitet mellem forskellige kortl\u00e6gningsapplikationer. <\/p>\n

Udover data om transportnetv\u00e6rk udvikles der lag med adresseinformation, infrastrukturelementer, vegetation, bygninger (over 2 milliarder bygningens omrids), administrative gr\u00e6nser, interessepunkter (POI) og attraktioner.

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Kilde: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041d\u0435\u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0439 \u043f\u0440\u043e\u0435\u043a\u0442 Overture Maps, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0439 \u043f\u043e\u0434 \u043f\u043e\u043a\u0440\u043e\u0432\u0438\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u043e\u043c \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 Linux Foundation, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0440\u0435\u043b\u0438\u0437 \u043a\u0430\u0440\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0431\u0430\u0437\u044b \u0434\u0430\u043d\u043d\u044b\u0445 «Transportation», \u043e\u0442\u043c\u0435\u0447\u0435\u043d\u043d\u044b\u0439 \u043a\u0430\u043a \u043f\u0435\u0440\u0432\u044b\u0439 \u043f\u0440\u0438\u0433\u043e\u0434\u043d\u044b\u0439 \u0434\u043b\u044f \u0448\u0438\u0440\u043e\u043a\u043e\u0433\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f. 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[…]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":121092,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-121091","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Projektet Overture Maps har offentliggjort et \u00e5bent kort over vejnetv\u00e6rk | ProHoster","description":"Det non-profit projekt Overture Maps, der opererer under Linux Foundation, har offentliggjort udgivelsen af kortdatabasen \"Transportation\", der er m\u00e6rket som den f\u00f8rste bredt 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