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

[Tim Robertson]

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 <api-users-bounces at lists.gbif.org> on behalf of Scott Chamberlain <scott at ropensci.org>
Date: Saturday, 11 August 2018 at 11.08
To: Matthew Blissett <mblissett at gbif.org>
Cc: "api-users at lists.gbif.org" <api-users at lists.gbif.org>
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 <mblissett at gbif.org<mailto:mblissett at gbif.org>> wrote:

Hi,

A tile for the western hemisphere showing:

House sparrows: http://api.gbif.org/v2/map/occurrence/density/0/0/0@1x.png?srs=EPSG:4326&bin=hex&taxonKey=5231190&style=purpleYellow-noborder.poly

Mackrel: http://api.gbif.org/v2/map/occurrence/density/0/0/0@1x.png?srs=EPSG:4326&bin=hex&taxonKey=8596&style=purpleYellow-noborder.poly

Both: http://api.gbif.org/v2/map/occurrence/density/0/0/0@1x.png?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/0/0/0@1x.png?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 <api-users-bounces at lists.gbif.org><mailto:api-users-bounces at lists.gbif.org> on behalf of Scott Chamberlain <myrmecocystus at gmail.com><mailto:myrmecocystus at gmail.com>
Sent: Friday, August 10, 2018 4:02:35 AM
To: api-users at lists.gbif.org<mailto:api-users at lists.gbif.org>
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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