[geos-devel] [question]

[Mateusz Loskot]

LiN YongHeng wrote:
> Hello everyone,

Hello,

Please, let me to repeat myself:

"Use meaningful, specific subject headers"

http://www.catb.org/~esr/faqs/smart-questions.html#bespecific

Subject: [question] is far from being meaningful.

> Please look at the second  parameter of 
> GEOSWKBWriter_setIncludeSRID's function,like 
> this---GEOSWKBWriter_setIncludeSRID(GEOSWKBWriter* writer, const char
>  writeSRID). It use the const char to define the writeSRID, so it 
> means that the writeSRID's value not more than 256?

The writeSRID is a flag which indicates if SRID should be written or
not. In other words, writeSRID is considered as of type of bool.
writeSRID = 0 means false.

Check implementation of geos::io::WKBWriter::setIncludeSRID() and
you will understand how it works.

Best regards,
-- 
Mateusz Loskot, http://mateusz.loskot.net