[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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