[R-sig-Geo] Attempt to set index in SET_STRING_ELT

[Josiah Parry]

It sounds as if you might be using integers to index some vector. Integers
in R are 32 bit which are limited to a maximum value of 214783647 which is
actually reserved for NA values. Anything larger than that will overflow.

On Mon, Feb 26, 2024 at 19:41 Jochen Albrecht <jochen.albrecht using gmail.com>
wrote:

> I am getting the same kind of error working with stplanr (using function
> route_dodgr) as well as osmdata (using function osmdata_sf), which lets me
> assume that the latter is the culprit. The error is "attempt to set index
> 2786142150/2786142150 in SET_STRING_ELT". The index number is a little
> different, although in both instances, we are talking about a value in the
> 2 billion range.
> The error message is not terribly illuminating. Does anyone know what is
> causing it, and even better, how to work around it?
>
> In the case of the osmdata function, I tried to download a road dataset for
> a four-county region in the (SanFran) Bay Area. I have previously
> successfully downloaded the OSM road network for a larger extent of the
> same geography (albeit directly rather than using the osmdata package).
>
> Dr. Jochen Albrecht, GISP (he/him/his)
>
> Professor for Computational and Theoretical Geography
>
> Department of Geography and Environmental Science
> <http://www.geo.hunter.cuny.edu/>
>
> Hunter College CUNY
>
> 695 Park Avenue
>
> New York, NY 10065 Just published: GIS and Housing: Principles and
> Practices
> <https://sites.google.com/rojasap.com/gisandhousing/>
>
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