Date stereo70 shiftate pe OSM

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Date stereo70 shiftate pe OSM

Mihai C.
Salut,
Am un set de date realizate in Stereo70 si cand le aduc in QGIS, ca shp, apoi pun OSM, datele sunt "miscate" cu aprox. 5 m (folosesc proiectia 3844) iar daca folosesc 31700 sunt deplasate si mai mult (cam 7-8 m).Mentionez ca am adus si alte date si tot asa "pica" peste OSM sau Google Maps in QGIS.De la ce poate fi eroarea? Cum sa rezolv asta?
Multumesc anticipat!
----------------------------
Mihai Cosmin
email: [hidden email]
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Re: Date stereo70 shiftate pe OSM

Andrei Cipu
Salut Mihai,
Pentru o asemenea eroare, cel mai probabil e să fie o problemă în felul cum a fost trasată harta: ori o eroare de GPS, ori imaginile satelitare nealiniate corect. Ai putea încerca să verifici sursa pe OSM și apoi să verifici vizual cu imaginile respective, dacă  mai sunt disponibile, însă e posibil ca între momentul creării elementelor pe OSM și prezent problema imaginilor să fi fost corectată de vreun update.
Andrei

      De la: "'Mihai C.' [hidden email] [geo-spatial]" <[hidden email]>
 Către: Geo-spatial <[hidden email]>
 Trimis: Miercuri, 24 Ianuarie 2018 8:07:40
 Subiect: [geo-spatial] Date stereo70 shiftate pe OSM
   
    Salut,
Am un set de date realizate in Stereo70 si cand le aduc in QGIS, ca shp, apoi pun OSM, datele sunt "miscate" cu aprox. 5 m (folosesc proiectia 3844) iar daca folosesc 31700 sunt deplasate si mai mult (cam 7-8 m).Mentionez ca am adus si alte date si tot asa "pica" peste OSM sau Google Maps in QGIS.De la ce poate fi eroarea? Cum sa rezolv asta?
Multumesc anticipat!
----------------------------
Mihai Cosmin
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