Re: [API-users] Multiple taxonKey values with maps API ?

Sat, 11 Aug 2018 03:58:31 -0700 

I’d advise against using the “adhoc” maps.  They are incredibly slow and 
anything beyond small load really causes issue. A loop within an R script will 
likely kill the server.

We are exploring alternatives (elasticsearch based) but it will be a while 
before ready.

Thanks


From: API-users <[email protected]> on behalf of Scott 
Chamberlain <[email protected]>
Date: Saturday, 11 August 2018 at 11.08
To: Matthew Blissett <[email protected]>
Cc: "[email protected]" <[email protected]>
Subject: Re: [API-users] Multiple taxonKey values with maps API ?

Thanks Tim/Matt,

Right, the BOTH example is what I'm looking for. Great, didn't realize that 
adhoc would work!  The use case is this WIP project 
https://github.com/ropensci/phylodiv where the idea is to let users quickly 
visualize biodiversity of taxa of a phylogeny (e.g., comparing clade A vs. B, 
species A vs. B, genus X vs. genus Y, etc.), and there's a lot more possible 
user questions I can handle if I can include multiple taxa in a map API query.  
So I think adhoc may be fast enough to give users that quick response they'd 
need for exploring many questions quickly (much faster than downloading full 
occurrence data, and just a bit slower than density maps).

Best, Scott

On Fri, Aug 10, 2018 at 9:30 AM Matthew Blissett 
<[email protected]<mailto:[email protected]>> wrote:

Hi,

A tile for the western hemisphere showing:

House sparrows: 
http://api.gbif.org/v2/map/occurrence/density/0/0/[email protected]?srs=EPSG:4326&bin=hex&taxonKey=5231190&style=purpleYellow-noborder.poly

Mackrel: 
http://api.gbif.org/v2/map/occurrence/density/0/0/[email protected]?srs=EPSG:4326&bin=hex&taxonKey=8596&style=purpleYellow-noborder.poly

Both: 
http://api.gbif.org/v2/map/occurrence/density/0/0/[email protected]?srs=EPSG:4326&bin=hex&taxonKey=5231190&taxonKey=8596&style=purpleYellow-noborder.poly

I think the both example is what Scott's asking for, and it isn't 
supported<https://github.com/gbif/maps/blob/master/vectortile-server/src/main/java/org/gbif/maps/resource/Params.java#L69>.

It is supported with an ad-hoc search, but these are usually much slower: 
http://api.gbif.org/v2/map/occurrence/adhoc/0/0/[email protected]?srs=EPSG:4326&bin=hex&taxonKey=5231190&taxonKey=8596&style=purpleYellow-noborder.poly

I've made an issue for it: https://github.com/gbif/maps/issues/27 since it's 
not the first time this has been requested. The previous request was for 
different colours to be applied to each taxon, which is more complicated and 
different to just adding several taxa's occurrences together.

Cheers,

Matt
On 10/08/18 17:31, Tim Robertson wrote:
I’m not sure if this went unanswered but the API has supported that since the 
beginning Scott.

Or have I misunderstood something?
In haste,
Tim

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________________________________
From: API-users 
<[email protected]><mailto:[email protected]> on 
behalf of Scott Chamberlain 
<[email protected]><mailto:[email protected]>
Sent: Friday, August 10, 2018 4:02:35 AM
To: [email protected]<mailto:[email protected]>
Subject: [API-users] Multiple taxonKey values with maps API ?

Hello!

Are there any plans to allow passing any of the primary parameters (taxonKey, 
datasetKey, country, publishingOrg, publishingCountry) more than once. e.g.

...?taxonKey=1&taxonKey=2

or comma separated. Perhaps up to some max number?

Or is there a good reason not to suppor that? Woud it lead to jobs that run too 
long on your servers?

Thanks! Scott



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