Support reporting on user-defined areas of interest (non-rectangular)

[TylerRadford]

Would be great if we could report entirely within a single administrative boundary (or two or three). The ability to hand-draw an area of interest would also be a nice to have.

[bgirardot]

I came here to say the same thing :) Support for a .geojson to define the area would be great.

[timlinux]

Thanks @bgirardot yes we will certainly do that - I can't give you an exact timeline as mostly we are working on this in our 20% 'hack for fun time'.

[bgirardot]

Oh nice, it is a very cool tool.

[timlinux]

@TylerRadford We have been investigating this a bit here. I think the hand drawn boundary option might be tricky since overpass does not let you pass artibitrary geometries to ringfence queries - only bounding boxes or a reference to an existing admin area. We can dig in this some more to see if we have made any mis-interpretations of the data, but for now we propose to approach it by letting the user create named areas which can consist of 1 or more admin areas.

[TylerRadford]

Thanks Tim. So I guess Tasking Manager project regions are out as well unless they align with an osm boundary. Osm boundary would be a helpful start.

On Mar 30, 2017 2:40 PM, "Tim Sutton" notifications@github.com wrote:

@TylerRadford https://github.com/TylerRadford We have been investigating this a bit here. I think the hand drawn boundary option might be tricky since overpass does not let you pass artibitrary geometries to ringfence queries - only bounding boxes or a reference to an existing admin area. We can dig in this some more to see if we have made any mis-interpretations of the data, but for now we propose to approach it by letting the user create named areas which can consist of 1 or more admin areas.

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[bgirardot]

Bounding box would be more useful than an OSM boundary. Support for both would be great, but we rarely are running projects based on admin boundaries.

[Gustry]

Hum, it seems overpass has now an irregular option: http://wiki.openstreetmap.org/wiki/Overpass_API/Language_Guide#Select_region_by_polygon

A triangle over Swellendam : http://overpass-turbo.eu/s/nUC

I don't know how big can be the polygon.

[timlinux]

@bgirardot and @TylerRadford ok seems like @Gustry might have found a way to do it...lets see if it works for more complex queries...

[timlinux]

@bgirardot and @TylerRadford sorry it is taking me a bit longer than expected - what do you think about basing the query on HOT projects like this:

I still need to wire up the logic for doing that. I will update the select widget for projects so that you can filter as you type to find the one you want.

[TylerRadford]

Tim that will be great although for some large efforts like the one we have underway for Malaria elimination in Zimbabwe, Zambia etc. there are huge #s of projects created - somewhere between 300-500 projects. We ideally need to go "bigger" than an individual project. @bgirardot could provide more details

Tyler Radford Executive Director tyler.radford@hotosm.org @TylerSRadford

Humanitarian OpenStreetMap Team Using OpenStreetMap for Humanitarian Response & Economic Development web http://hotosm.org/ | twitter https://twitter.com/hotosm | facebook https://www.facebook.com/hotosm | donate http://donate.hotosm.org/

On Mon, Apr 10, 2017 at 5:02 AM, Tim Sutton notifications@github.com wrote:

@bgirardot https://github.com/bgirardot and @TylerRadford https://github.com/TylerRadford sorry it is taking me a bit longer than expected - what do you think about basing the query on HOT projects like this:

[image: qgis] https://cloud.githubusercontent.com/assets/178003/24841265/dd180902-1d80-11e7-9b44-edbda40a7dcd.gif

I still need to wire up the logic for doing that. I will update the select widget for projects so that you can filter as you type to find the one you want.

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[timlinux]

@TylerRadford Yeah I was planning to support three ways of selecting an area:

• HOT Project area
• User digitized area
• User uploaded GeoJSON area

In time we could add more to suite other use cases

[TylerRadford]

Fantastic

Tyler Radford Executive Director tyler.radford@hotosm.org @TylerSRadford

Humanitarian OpenStreetMap Team Using OpenStreetMap for Humanitarian Response & Economic Development web http://hotosm.org/ | twitter https://twitter.com/hotosm | facebook https://www.facebook.com/hotosm | donate http://donate.hotosm.org/

On Tue, Apr 11, 2017 at 8:18 PM, Tim Sutton notifications@github.com wrote:

@TylerRadford https://github.com/TylerRadford Yeah I was planning to support three ways of selecting an area:

• HOT Project area
• User digitized area
• User uploaded GeoJSON area

In time we could add more to suite other use cases

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