[HOT] [Tag] landuse=residential in rural and urban areas
tom.taylor.stds at gmail.com
Sat Nov 22 21:34:16 UTC 2014
My own practice for large urban areas (last experience was a Canadian
city rather than a HOT task) is to carve them up into multiple
landuse=residential areas, bounding them on roads or other landuse
types. As much as possible, though, I avoid actually making the
boundaries/roads touch each other, because of bad experiences correcting
boundaries from imagery -- if the boundaries touch you have to detach
them before you can correct the ones in error. Thew implication is that
there is, say, a meter of unlabelled space between one entity and the
next, but I can't see that mattering.
On 22/11/2014 9:51 AM, althio forum wrote:
> My previous message leads me to a more generic question.
> In http://tasks.hotosm.org/project/767 and maybe some other project,
> the instructions reads:
> Trace polygon around clusters of houses. Tag with landuse=residential"
> I feel these instructions are related to rural areas. They can be
> misunderstood in the context of urban areas. In this project we are
> also mapping inside Bamako, very urban and very dense.
> What about urban areas? What is the good pratice, the recommended size
> for landuse=residential in Bamako and other African big cities?
> * Only one huge outline landuse=residential around the whole city
> * By neighborhoods?
> * Cut by main roads (arteries of the city)
> * Block by block
> As I map and review I see almost every case.
> Has this been discussed or documented already?
> On Sat, Nov 22, 2014 at 3:29 PM, althio forum <althio.forum at gmail.com> wrote:
>> Hi HOT
>> Please have a look at this patchwork of small residential clusters and
>> mix of cultivated gardens, lawns, orchards...
>> This is currently mapped as surrounding landuse=farmland with
>> inclusion of landuse=residential.
>> How would you handle this?
>> My personal opinion is:
>> * These small gardens do not qualify as farmland.
>> * The surrounding should be landuse=residential
>> * Green inclusions as leisure=garden / landuse=orchard
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