[Talk-GB] School mapping - Who's involved

Dave F davefoxfac63 at btinternet.com
Mon Feb 1 18:04:15 UTC 2016


https://wiki.openstreetmap.org/wiki/Overpass_turbo/MapCSS

http://overpass-turbo.eu/s/e7F

Dave F.



On 01/02/2016 17:02, Gregory wrote:
> Cheers Dave, the "sets" feature of Overpass is good to know about.
>
> However the set logic isn't what I'm after as such.
> I want to all schools that have an isced:level tag to be blue dots, 
> all the schools without an isced:level tag to be red dots. You could 
> display other comparisons, such as schools with a name tag as blue 
> dots and schools without name tags as red dots.
>
> Overpass is primarily an fancy export tool, so this feature isn't 
> probably beyond it's scope/objective. If I really wanted I could use 
> Overpass to export all schools and then use QGIS to colour them 
> depending on what tags are present or not.
>
> From DH1,
> Gregory.
>
> On 1 February 2016 at 16:50, Dave F <davefoxfac63 at btinternet.com 
> <mailto:davefoxfac63 at btinternet.com>> wrote:
>
>     Re 1c)
>     Unsure what two queries you want to compare, but OT does allow
>     difference comparisons by first saving each query result to a
>     variable:
>
>     http://wiki.openstreetmap.org/wiki/Overpass_API/Overpass_QL#Sets
>
>     http://wiki.openstreetmap.org/wiki/Overpass_API/Overpass_QL#Difference
>
>     Example:
>     http://overpass-turbo.eu/s/e7s
>
>     This returns all edits from the last day that weren't by me.
>     Obviously you'd need to change it to your user name to see any
>     results & you can vary the day/hour.
>
>     Dave F.
>
>
>
>
>     On 01/02/2016 16:16, Gregory wrote:
>>     Hello,
>>
>>     1) I think isced:level is really helpful, as I've known people
>>     wanting a list of "all primary schools nearby" for various jobs.
>>     Is there a map/list that shows schools with that tag or not?
>>     Maybe something like ITO World's maps?
>>     1b) Ah, they have one for name/no-name, might be good to request
>>     isced:level there too (or if it has the ID).
>>     http://product.itoworld.com/map/6
>>     1c) I'm being silly and forgetting how easy Overpass API is now.
>>     But it doesn't allow two queries at once and to visually compare
>>     the difference. http://overpass-turbo.eu/s/e7o
>>
>>     2a) What tag are people using for the ID?
>>     2b) Presumably the only way to get the/an ID is from the gov.uk
>>     <http://gov.uk/> data? It's copyright doesn't allow use, but
>>     perhaps using it for the ID is okay? So far this quarter I have
>>     been using OS StreetView or googling for a website as a name
>>     source. As a result, all the schools I've edited/added in the
>>     last month have a "website" tag.
>>
>>     Btw, County Durham is very annoying. Since maybe 3 years ago they
>>     have been combining schools (juniors & infants into primary, or
>>     two villages now having 1 school to share, plus all the
>>     academy-type name & management changes). Probably a good time for
>>     this enjoyable project then! Meanwhile my landlady's job involves
>>     visiting schools all over the county. Anyone got a long lasting
>>     camera & a GPS logger I can secretly strap to her car/bag?
>>
>>     From Durham,
>>     Gregory.
>>
>>
>>     On 1 February 2016 at 14:47, Rob Nickerson
>>     <rob.j.nickerson at gmail.com <mailto:rob.j.nickerson at gmail.com>> wrote:
>>
>>         All,
>>
>>         We've a few of way's of counting how many people are involved
>>         with the quarterly project to map schools. As such I have
>>         updated the wiki to focus on comments rather than the raw
>>         numbers (e.g. which areas are you mapping, how else are you
>>         helping). Feel free to update.
>>
>>         http://wiki.openstreetmap.org/wiki/UK_Quarterly_Projects#Who.27s_involved.3F
>>
>>         Latest data from the #OSMschools tag is here:
>>         http://www.mappa-mercia.org/2016/02/whos-involved-edits-to-openstreetmap.html
>>
>>         Harry's tracker is great as it counts edits to amenity=school
>>         features:
>>         http://harrywood.dev.openstreetmap.org/diffreader/schools/index.php?filter=uk
>>
>>         By features we've mapped nearly 1250 schools as ways, removed
>>         nearly 1000 schools mapped as nodes (either converted to a
>>         way or removed duplication). Overall that is 250 "new"
>>         schools mapped. This is a minimum as I don't know how many of
>>         the 1000 nodes removed were duplicates.
>>
>>         https://docs.google.com/spreadsheets/d/1G9KXfp4Ho3fVROO9MxotcYTydl9CEXB_fi5ko2pM5Kc/edit#gid=1336142515
>>
>>         Happy mapping
>>         *Rob*
>>
>>         _______________________________________________
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>>
>>
>>
>>
>>     -- 
>>     Gregory
>>     osm at livingwithdragons.com <mailto:osm at livingwithdragons.com>
>>     http://www.livingwithdragons.com
>>
>>
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>     Gregory
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>     http://www.livingwithdragons.com
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