[Qgis-developer] QGIS remote control API

[Bernd Vogelgesang]

Hi Barry,
sounds great for me! (simple users opinion)

Cheers
Bernd

Am 14.03.2017, 18:51 Uhr, schrieb Barry Rowlingson  
<b.rowlingson at lancaster.ac.uk>:

> I'm doing some spatial analysis with R. I've read in a shapefile:
>
>  > data = shapefile("input.shp")
>
> then I've done some analysis:
>
>  > data$stats = something(data)
>
> Now I want to map it. I can use R's plot function, but that's not
> interactive, hard to add background layers and style, no labelling,
> cartography etc. I could use leaflet, but that requires JS code to get
> anything custom. So I write a shapefile:
>
>  > shapefile(data, "output.shp")
>
> Start QGIS, load the shapefile, realise all my column names have been
> mashed to 12 characters (or whatever), style it. Go "huh" and think.
> Back to R. Repeat.
>
> With a QGIS remote control API I could do something like:
>
>  > addQgisLayer(data)
>
> and *bang* there it is in Qgis. With data flow in that direction, Qgis
> is a cartographic display for R's spatial data. But data flow could go
> the other way - so that Qgis layers could be easily read back into R
> spatial data.
>
>  In theory you could wrap the entire Python API to the remote control
> API. At that point the use cases are almost like any Python QGIS use
> cases, except expanded to any language or system that can send a web
> request. R, Matlab,  JS, perl, ruby.. even Python if you want to be
> slightly perverse and can't run from the python interpreter.
>
> Barry
>
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> On Tue, Mar 14, 2017 at 3:35 PM, Tom Chadwin <tom.chadwin at nnpa.org.uk>  
> wrote:
>> What are some example use cases?
>>
>> Tom
>>
>>
>>
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Bernd Vogelgesang
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