[Proj] Coming releases of PROJ.4

[Roger Bivand]

On Fri, 23 Jun 2017, Even Rouault wrote:

>> The problem is that pj_inv() hard fails when an inverse is attempted and
>> none exists, so we need protection to avoid crashing the R session:
>
> For the record, this issue has been fixed in proj 4.9.3 per :
> https://github.com/OSGeo/proj.4/commit/757a2c8f946faccf9d094d76cb79e6ebe0006564#diff-f0c3df1eafd91a86f6cd9cf68cc306ddR23
>
> pj_inv will now return (HUGE_VAL,HUGE_VAL) if the inverse doesn't exist.
>

Thanks for the heads-up - I'll add a test conditioning on the PROJ4 
version (plenty are still at 4.8 or earlier, I believe).

Roger

>

-- 
Roger Bivand
Department of Economics, Norwegian School of Economics,
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