Changeset: 141314964
#hotosm-project-15475 #moroccoearthquake2023
Closed by maitsana
Tags
changesets_count | 540 |
---|---|
created_by | iD 2.21.1 |
hashtags | #hotosm-project-15475;#moroccoearthquake2023 |
host | https://tasks.hotosm.org/projects/15475/map/ |
imagery_used | Esri World Imagery;.gpx data file |
locale | en |
Discussion
-
Comment from Frans S
Hello, thanks for mapping.
On this task, the multi story / high-rise buildings are incorrect mapped.
You can see both one or more side walls and the roof. The Imagery is taken under a certain angle, so you can see more than just the roof.
Often all visible walls and roofs are mapped as 1 building.
The correct way is to map the roofline and move the whole object on their footprint.
See this video.
https://drive.google.com/file/d/1V5-bADsYiffCD9bo6l64YOdTvmKqMGry/view?usp=share_link
Best regards
---
Published using OSMCha: https://osmcha.org/changesets/141314964
-
Comment from Frans S
Hello, thanks for mapping.
On this task, the multi story / high-rise buildings are incorrect mapped.
You can see both one or more side walls and the roof. The Imagery is taken under a certain angle, so you can see more than just the roof.
Often all visible walls and roofs are mapped as 1 building.
The correct way is to map the roofline and move the whole object on their footprint.
See this video.
https://drive.google.com/file/d/1V5-bADsYiffCD9bo6l64YOdTvmKqMGry/view?usp=share_link
Best regards
---
Published using OSMCha: https://osmcha.org/changesets/141314964
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