[geos-devel] Checking GEOS master (state 8 October)

[Paul Ramsey]

In Cmake set DISABLE_OVERLAYNG to OFF
P

> On Oct 13, 2020, at 11:23 AM, Roger Bivand <Roger.Bivand at nhh.no> wrote:
> 
> On Tue, 13 Oct 2020, Paul Ramsey wrote:
> 
>> 
>> 
>>> On Oct 13, 2020, at 11:08 AM, Roger Bivand <Roger.Bivand at nhh.no> wrote:
>>> 
>>> I've been checking the possible fallout from Overlay_NG (assuming that building from master on 8 October uses the new code) in some R packages, in particular sf and rgeos. I see messages such as:
>>> 
>>> CBR: result (after common-bits addition) is INVALID: Self-intersection at or near point 368576.69999999995 864696 (368576.69999999995343 864696)
>> 
>> That looks like the old overlay handler. Have you turned NG on in your build?
> 
> Thanks for the quick response. First, is "master" the correct branch (gitea)? If yes, what is the incantation - I couldn't find any reference to NG in the code or configure.ac? I'd assumed from earlier discussion here that NG was on by default on "master".
> 
> Roger
> 
>> 
>> P
>> 
>> 
>>> 
>>> followed by the text representation of the object dumped to console. The message and the dumped object are not passed through error or warning handlers passed in through initGEOS_r(), and so are hard to trap and handle. Is this a temporary feature which will be normalised for 3.9.0?
>>> 
>>> So far I don't think that there are obvious failures in R packages related to the new code (again assuming that a straight build of master of 8 November exercises Overlay_NG), but the unexpected output was surprising.
>>> 
>>> Best wishes,
>>> 
>>> Roger
>>> 
>>> --
>>> Roger Bivand
>>> Department of Economics, Norwegian School of Economics,
>>> Helleveien 30, N-5045 Bergen, Norway.
>>> voice: +47 55 95 93 55; e-mail: Roger.Bivand at nhh.no
>>> https://orcid.org/0000-0003-2392-6140
>>> https://scholar.google.no/citations?user=AWeghB0AAAAJ&hl=en
>>> _______________________________________________
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>> 
>> 
> 
> -- 
> Roger Bivand
> Department of Economics, Norwegian School of Economics,
> Helleveien 30, N-5045 Bergen, Norway.
> voice: +47 55 95 93 55; e-mail: Roger.Bivand at nhh.no
> https://orcid.org/0000-0003-2392-6140
> https://scholar.google.no/citations?user=AWeghB0AAAAJ&hl=en