Super, thanks for the reply. I will start doing some mapping soon! :-)
On Thu, Aug 15, 2013 at 5:26 PM, Russell Deffner <[email protected]>wrote: > Hello Peter,**** > > ** ** > > Yes, this is the right place to address your concerns. The tasking > manager is a work in progress and unfortunately people for whatever reason > may validate their own tasks (probably just to avoid embarrassment) and > hopefully that changes in the future. However, don’t let that stop you > from improving the data/map – you may take an additional step of contacting > the mapper who is creating ‘poor’ data; but hopefully they are just doing > their best and would welcome any improvements. The only exception I would > see is if they’re tagging source=local knowledge or =survey, then you > probably don’t want to adjust that data to Bing; but if it’s tagged > source=Bing (or no source) than you’re probably safe to change. Of course > this is a dynamic situation and in theory the map/data will need updated as > new imagery or survey is available.**** > > ** ** > > Thank you,**** > > =Russ**** > > ** ** > > Russdeffner on OSM**** > > ** ** > > *From:* Peter Bremer [mailto:[email protected]] > *Sent:* Thursday, August 15, 2013 8:00 AM > *To:* [email protected] > *Subject:* [HOT] Newbie question on digitization quality**** > > ** ** > > Hi! > > I am really not sure if this is the correct place to ask my question, the > HOT Tasking Manager has very little information on where to get help.**** > > I have never contributed to HOT, and wanted to take a closer look at the > amount of work that goes into those tasks in the Tasking Manager. So I > opened one of the completed and validated spots in > Khartoum (http://tasks.hotosm.org/job/289). But when comparing the OSM > data with the Bing imagery, I was surprised. Buildings are draw at places > where the Bing image, at best, seems to show ruins of buildings, while > adjacent structures that clearly are buildings on Bing are not draw in at > all. I even saw what looked like a dried-up river bed (complete with > bridges where roads cross over the river), but in the OSM data this was > drawn as a residential road instead! According to the history information, > all elements were drawn during the last few days.**** > > Could the difference be based on local knowledge from the mapper? The > source attributes all point to Bing and nothing else. Did Bing just happen > to update their aerial images today? Did something go wrong when validating > the map? I am a bit hesitant to contribute, not knowing if I am > misunderstanding what it takes to create a good map. My gut feeling says > the data should be re-validated, but the Tasking Manager does not offer > such functionality, and I would feel a bit uncomfortable as a newbie > criticizing the work of other who possibly have been doing this for a long > time ;-) > > Thanks for any comments, > Peter Bremer**** >
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