Validation - Humanitarian Open Mapping

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This channel is generally about Validation, can discuss tips and tricks, how best to handle a particular task validation and used to coordinate validation during disaster or other large mapping campaigns.3 Servers

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26 Feb 2024
@_slack_hotosm_U78C3AYJC:matrix.orgFrans Kathyaus As you mentioned already. This mapper just marked many tasks as ready to be validated . I solve this issues as well 10:16:52
@_slack_hotosm_U78C3AYJC:matrix.orgFrans How can you achieve this kind of issues ? https://overpass-api.de/achavi/?changeset=147881706 10:22:35
@_slack_hotosm_U78C3AYJC:matrix.orgFrans Hi r_aytoun This mapper is also known as 'little_maper' 11:22:26
@_slack_hotosm_U78C3AYJC:matrix.orgFrans He Also mapped on #hotosm-project-11924. See the same issues ( Solve them as well) 11:23:22
@_slack_hotosm_U3UJ0ASS2:matrix.orgr_aytoun That is no longer just ignorance or inexperience. These are deliberately done to cause damage to the map. I am collecting examples to send to the Data Working Group to investigate further. 11:24:03
@_slack_hotosm_U3UJ0ASS2:matrix.orgr_aytoun Frans I noticed that little_maper, a member of the Digital Egypt team, has been cleaning up the displaced nodes done by abaho joshua. Do you think this is the same mapper? 11:38:13
@_slack_hotosm_U78C3AYJC:matrix.orgFrans r_aytoun That was my first impressision because he put this name under his reaction on a changeset. I have sold his issues on 6 task of that project. (abaho joshua) 11:41:45
27 Feb 2024
@_slack_hotosm_UKZRW53CP:matrix.orgJohn Woollett Problem with tasking manger submitting validations. I have been trying to validate task 115 of project 16046 , but when submitting a 'Yes' it just hangs and after a while says 'an error has occurred' . This has been happening to me occasionally for some time with validating tasks, sometimes refreshing the page and resubmitting works, but it is annoying. I have reported it before. Is anyone else had this issue? 16:00:43
@_slack_hotosm_U01CATJ28E8:matrix.orgKraan46 Yes, we all have: see https://hotosm.slack.com/archives/C319P09PB/p1709011859013669?thread_ts=1708736995.164029&cid=C319P09PB 16:24:04
@_slack_hotosm_U05EZ3RUHBQ:matrix.orgPuxan Hello. In project 16046, tile 181 there is a building mapped with a single tag building=yes, but one of its nodes has tags of building=ruins, damage:date=2021-05-21, damage:type=war, demolished:building =yes. This means that a map style that marks ruined buildings will not detect them. The node is not correct. How do we handle it? 18:01:04
@_slack_hotosm_U3UJ0ASS2:matrix.orgr_aytoun Hi Puxan, well spotted, thank you. I thing the data should be transferred to the building itself. 18:02:39
@_slack_hotosm_UKZRW53CP:matrix.orgJohn Woollett Thanks - Hope they sort it out. I have stopped validating for now. 18:12:42
@_slack_hotosm_U05EZ3RUHBQ:matrix.orgPuxan 👌 18:22:08
@_slack_hotosm_UQTBEMGPK:matrix.orgSabine HillerRedacted or Malformed Event22:09:34
28 Feb 2024
@_slack_hotosm_U01AGHDCC57:matrix.orgGilles Yes, I have had this issue also, refreshing the page and even closing and restarting TM did work but not always. 08:36:23
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29 Feb 2024
@_slack_hotosm_U0593F3NSE5:matrix.orgWelmast joined the room.02:58:19
@_slack_hotosm_U06LK9CTRL2:matrix.orgPeter Elekes joined the room.07:54:02
@_slack_hotosm_U06LK9CTRL2:matrix.orgPeter Elekes Hi, what's the Community's overall guideline on cases when recent imagery is in conflict with the one that's used for a project? I'm now working on DRC Congo River floods response #16178 which uses Bing. Many times there are features already mapped from Maxar Premium imagery which is several years newer than Bing (for the tiles I've checked it's from 2/24/2002-5/8/2016). Or even some from ESRI which is from 2022. My first take was to leave the Maxar features alone to not destroy valuable info, up until I've found this task https://tasks.hotosm.org/projects/16178/tasks?search=227 where Maxar is offset from Bing in a way that if I adjust the highway to Bing, it will go through buildings. https://prnt.sc/SK4F13qvpV7a 08:38:57
@_slack_hotosm_U06LK9CTRL2:matrix.orgPeter Elekes Is it ok to take the hybrid approach and leave the Maxar features alone and map everything else according to the agreed imagery? Or should we rather remap everything to Bing, preferring consistency over correctness to what's now on the field? Or does it rather depend on the project? I've asked about it several days ago from authors/managers but haven't got an answer yet. Since then the project has gone from 46% to 89% mapped, so it might be too late to revise 08:43:38
@_slack_hotosm_U06LK9CTRL2:matrix.orgPeter Elekes Is there an agreed ruleset somewhere for validation? I'm looking for something like in iD Editor's Issues toolbar that would for example highlight nonsquare buildings for all edits in view (not just mine). Thanks! 08:56:18
@_slack_hotosm_UNKGQPYUT:matrix.orgdinar.adiatma Maybe some people here will be able to help, feel free to join 08:57:38
@_slack_hotosm_U78849YRZ:matrix.orghebolz Hello Peter, Kisangani has been mapped in a parallel project 12803 with Maxar imagery until its sudden disappearance last year. Since then nobody seems to know what to do with these projects, as you cannot validate without the original imagery. Mapping the region over again with older Bing imagery is, in my eyes, a fatal wrong decision and obliterates more than 6 months of intense work. 16:22:37
@_slack_hotosm_U06LK9CTRL2:matrix.orgPeter Elekes Hi Hebolz, exactly what I think as well, so I haven't deleted any of those mappings, and exactly why I asked it here, so that to come to an agreement about it 18:49:58
@_slack_hotosm_U06LK9CTRL2:matrix.orgPeter Elekes hebolz I saw your work in my squares and I'm filtering buildings for your username as well when verifying 18:51:19
1 Mar 2024
@_slack_hotosm_UQTBEMGPK:matrix.orgSabine Hiller Have the permissions for the Gaza project changed? I was validating (global validator) yesterday, but today I'm denied access 11:43:05
@_slack_hotosm_UNKGQPYUT:matrix.orgdinar.adiatma Seems to stay the same 12:31:27
@_slack_hotosm_U78849YRZ:matrix.orghebolz Peter Elekes Good idea, many thanks! 13:16:55
@_slack_hotosm_UQTBEMGPK:matrix.orgSabine Hiller Oh, working now! Thanks dinar.adiatma 17:26:24
@_slack_hotosm_UMZKQLDSN:matrix.orgJim Walseth Any time somewhere weird happens I log out and back in. 18:59:59

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