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While mapping in the city Loei, TH we have observed that a good part of the city was not aligned to the OSM GPS Traces. And also identified that at a couple of locations the mapped data is not in sync with existing data - Part of the area is matching to Bing and another part is matching to Maxar/GPS Traces.
Note: The OSM GPS data is matching the latest imagery (Maxar) in this city, but the existing highway data were aligned in Bing in most of the regions.
Case1: Existing Data is in Offset with the latest imagery and OSM GPS Traces. Location: 17.2928048, 101.765539
Case 2: Part of the area is matching to Bing & other to GPS Traces/Maxar.
The partial region has no sync in terms of offset with reference to per Maxar Imagery, which is on the right side of the water body (https://www.openstreetmap.org/way/461500428 ) and the left side area of the water body is completely misaligned as per Maxar Imagery Offset Location: 17.3001042, 101.770402 , Matched Location: 17.3005708, 101.7782773 Reference WayID :
Few other reference areas where the issue is identified:
17.3001255, 101.7689874
17.3098093, 101.7647249
17.299109, 101.7677489
@mishari@stephankn @ @Paul012 We need your help and suggestion to fix the data at this location in Thailand and looking forward to your opinion on - whether to re-align the existing data to match with GPS Traces/Maxar Imagery? Or any other best suggestion to sync the data across the city.
Ref: #49
While mapping in the city Loei, TH we have observed that a good part of the city was not aligned to the OSM GPS Traces. And also identified that at a couple of locations the mapped data is not in sync with existing data - Part of the area is matching to Bing and another part is matching to Maxar/GPS Traces.
Note: The OSM GPS data is matching the latest imagery (Maxar) in this city, but the existing highway data were aligned in Bing in most of the regions.
Case1: Existing Data is in Offset with the latest imagery and OSM GPS Traces.
Location: 17.2928048, 101.765539
https://www.openstreetmap.org/way/672793480
Refer:
https://www.openstreetmap.org/way/672793475
Case 2: Part of the area is matching to Bing & other to GPS Traces/Maxar.
The partial region has no sync in terms of offset with reference to per Maxar Imagery, which is on the right side of the water body (https://www.openstreetmap.org/way/461500428 ) and the left side area of the water body is completely misaligned as per Maxar Imagery
Offset Location: 17.3001042, 101.770402 , Matched Location: 17.3005708, 101.7782773
Reference WayID :
https://www.openstreetmap.org/way/106994813
Few other reference areas where the issue is identified:
@mishari @stephankn @ @Paul012 We need your help and suggestion to fix the data at this location in Thailand and looking forward to your opinion on - whether to re-align the existing data to match with GPS Traces/Maxar Imagery? Or any other best suggestion to sync the data across the city.
cc: @jinalfoflia
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