[Imports] [Import] Infrastructures and Village boundaries of Surabaya City (Indonesia- East Java region)

Walter Nordmann wnordmann at gmx.de
Wed Sep 28 11:38:46 UTC 2016



Am 27.09.2016 um 10:44 schrieb Walter Nordmann:
>
> Hi Dewi,
>
> Am 27.09.2016 um 07:46 schrieb Dewi Sulistioningrum:
>> Hi Walter,
>>
>> Before I plan to upload the boundaries import data for Surabaya, I 
>> have received some feedback and helped by Ivan Garcia 
>> <https://wiki.openstreetmap.org/wiki/User:Capiscuas> who has 
>> expertise in correcting boundaries and has previously worked with us 
>> in settling Jakarta boundaries.
> yes, but is no anwers about your experence. The script of Ivan looks 
> fine and i'll check it with real data - of course without uploading.
>>
>> The current raw file has the boundary relations already, which I 
>> think is quite accurate. I will send the link to the raw gis data 
>> when it's uploaded on github.
> It's not a question of *data quality*, it's a question about the 
> *technical way* adding boundary relations as multipolygons to osm - 
> without damaging the "neighbourhood" and without deleting the old 
> releations with their history before. Ivan's script seems to do the 
> job in an empty area but does not respect the outer borders 
> ("neighbourhood") and the history.
>
> We had a lot of problems during such a task in Mexico  Nov. '15 till 
> March '16 . See http://forum.openstreetmap.org/viewtopic.php?id=52477
> They even damaged the international boundaries of the USA, Guatemala 
> and Belize. We had to stop them and they had to change a lot in their 
> working process. *Now* they know how to do this. ;)
>>
>> In regards to the current boundaries in Surabaya, we had contacted 
>> those who mapped them previously but they were unable to provide the 
>> data license / approval and I believe our data which is formally 
>> attained from Indonesian government is more accurate.
> This was only an example of what did go wrong and may go wrong again. 
> At least at the edges of the import area.
>> I might need to clarify that HOT Indonesia, which is where I work 
>> now, has not focused its work yet on the issue of data import due to 
>> some problem attaining the data from Indonesian government and in 
>> explaining about the sensitivity of it to Indonesian OpenStreetMap 
>> Community. Thank you very much for your input, we plan to work more 
>> on correcting this issue following OpenStreetMap procedures of 
>> validating existing data and improving data quality in the incoming 
>> project.
>>
> btw: Working with HOT - not OSM? Talking of OpenStreetMap Community  
> as an extra organisation? Strange to me. You are member of the OSM 
> Community too. But that is another "problem".
>
> regards
> walter
>
>
>
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