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

[Roger Bivand]

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