> On Mar 25, 2017, at 3:44 AM, Thierry Onkelinx <thierry.onkel...@inbo.be>
> wrote:
>
> Dear all,
>
> I'd like to use the OpenCycleMap as background image in a leaflet map.
> This requires an API key. I've stored the key in an environment
> variable. Below is a minimal example of the leaflet map. I still get
> the "API Key Required" message on the tiles. Any suggestions?
>
> library(leaflet)
> leaflet() %>%
> addProviderTiles(
> "Thunderforest.OpenCycleMap",
> options = providerTileOptions(apikey = Sys.getenv("OCM_API"))
> )
I don't have any experience with this package but I found myself wondering
whether the environment being used was shared by the enviroionment in which the
key had been stored. And whether you could do a debugging `print` of hte item
returned by Sys.getenv("OCM_API") inside that calling chain?
Best;
David
>
> Best regards,
>
> ir. Thierry Onkelinx
> Instituut voor natuur- en bosonderzoek / Research Institute for Nature
> and Forest
> team Biometrie & Kwaliteitszorg / team Biometrics & Quality Assurance
> Kliniekstraat 25
> 1070 Anderlecht
> Belgium
>
> To call in the statistician after the experiment is done may be no
> more than asking him to perform a post-mortem examination: he may be
> able to say what the experiment died of. ~ Sir Ronald Aylmer Fisher
> The plural of anecdote is not data. ~ Roger Brinner
> The combination of some data and an aching desire for an answer does
> not ensure that a reasonable answer can be extracted from a given body
> of data. ~ John Tukey
>
> ______________________________________________
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David Winsemius
Alameda, CA, USA
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