blog/Navteq_bruker_3_12_m_neder__OpenStreetmap_org_trenger_noen_dager.html

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   6     <title>Petter Reinholdtsen: Navteq bruker 3-12 måneder, OpenStreetmap.org trenger noen dager</title>
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  14  <h1>
  15      <a href="http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen</a>
  16
  17  </h1>
  18
  19 </div>
  20
  21
  22     <div class="entry">
  23       <div class="title">Navteq bruker 3-12 måneder, OpenStreetmap.org trenger noen dager</div>
  24       <div class="date"> 7th September 2010</div>
  25       <div class="body"><p>Jeg ble riktig fascinert av
  26 <a href="http://www.aftenposten.no/nyheter/iriks/article3800967.ece">en
  27 artikkel i Aftenposten</a> om hvor hardt Navteq jobber for å oppdatere
  28 kartene som brukes i navigasjons-GPSer, der det blant annet heter at
  29 "på grunn av teknikken tar det alt fra tre til tolv måneder før
  30 kartene er oppdatert".  Når en kjenner hva slags oppdateringshastighet
  31 som er tilgjengelig på
  32 <a href="http://www.openstreetmap.org/">OpenStreetmap</a> som
  33 oppdateres på dugnad, blir det litt trist å se hva noe av det beste en
  34 kan kjøpe for penger får til.</p>
  35
  36 <p>Fra en endrer kartdataene i databasen til OpenStreetmap tar det
  37 ca. 15 minutter før endringen er synlig på kartet som alle kan se på
  38 web.  Dernest overføres det daglig til en kartdump som lastes ned av
  39 personen som lager Garmin-kart for Norge ca. en gang i uken.  Med
  40 OpenStreetmap.org og <a href="http://www.frikart.no/">Frikart.no</a>
  41 kan en altså ha korreksjonene på plass i sin Garmin-GPS i løpet av en
  42 uke.  Det er også av tekniske årsaker at det tar så langt tid.
  43 Jobbene som tegner kartene, henter ut kartdumpene og konverterer til
  44 Garmin-format tar minutter og timer å gjennomføre, slik at de ikke
  45 gjøres kontinuerlig men kun regelmessing.</p>
  46 </div>
  47
  48       <div class="tags">Tags: <a href="http://people.skolelinux.org/pere/blog/tags/kart">kart</a>, <a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</a>.</div>
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