Yes, of course. I am a seasoned mapper, and always followed this principle.
BTW can someone help the group lead through the process step-by-step?
*@Arun Ganesh*, a special invitation to you if you are in Bangalore
nowadays...
Please let me know if I can call you directly.
Regards
Nagesh
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On Wed, Nov 18, 2020 at 10:27 PM Mateusz Konieczny via Talk-in <
talk-in@openstreetmap.org> wrote:
> You must not use Google Maps for mapping in OpenStreetMap.
>
> You must not use maps on incompatible licences for
> mapping in OSM.
>
> Any such edit must be reverted and purged.
>
>
> Nov 18, 2020, 16:01 by nagesh.sa@gmail.com:
>
> We have multiple maps:
> 1. Old paper maps (British era)
> 2. Digitized maps
> 3. Google map
> 4. OpenStreet Map.
>
> One example is that of the Pattandur lake:
> https://drive.google.com/drive/folders/1sHPjk4NqVjB1Opr7Fv6Sj5AvQiCi9JHg?usp=sharing
>
> The problem is that none of these maps may match with the others.
> So how do we proceed, and eliminate differences/doubts?
>
> From the looks of it, it looks like every pair of maps requires a separate
> HOT-style project.
> (Remote mappers compare the two maps and find differences.)
>
> Kindly guide!
>
> Regards
> Nagesh
>
>
>
>
>
>
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>
> On Fri, Nov 13, 2020 at 1:01 AM Arun Ganesh
> wrote:
>
>
>
> On Thu, Nov 12, 2020 at 5:10 AM Nagesh Aras
> wrote:
>
> Hi all,
>
> Several activist groups in Bangalore have come together with the aim of
> mapping the water system in the city, which includes the lakes, and
> drainage system. The aim is to digitize thold maps to know what was the
> original shape and size of the lakes, and then do the local surveys to find
> out how much of the lake territory is encroached.
>
> We would like to set up the online HOT map for this purpose.
>
> Can anyone guide us about the steps required for this project?
>
> Also, if there are any permissions to be taken, who should I contact?
>
> Thanks in advance!
> Nagesh
>
>
> This is great! Looks like there are two parts:
> - Digitize old maps: this one is tricky because old maps have various
> quality issues. Vectorizing them might be resource intensive and not too
> useful. Can you share an example of these old maps?
> - Survey existing lakes. This is where OSM can be helpful. To scope this
> out better maybe we should start with one particular lake to test out what
> is the best strategy of satellite image tracing and field survey that will
> work for the accuracy needed.
>
> The OSM India telegram group is fairly active and can be helpful to
> coordinate this in further detail: https://t.me/OSMIndia
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