[QGIS-Developer] How does QGIS parses the shapefile so quickly

[Werner Macho]

Hi!
Just to add some side information regarding Shapefiles:
(ignore it if understanding shapefiles ist a must in your case)

http://switchfromshapefile.org/

;)
regards
Werner

On Mon, Mar 27, 2023 at 5:16 PM Even Rouault via QGIS-Developer <
qgis-developer at lists.osgeo.org> wrote:

>
> Le 27/03/2023 à 10:06, Alessandro Pasotti via QGIS-Developer a écrit :
> > Hi,
> >
> > QGIS is using the GDAL/OGR library to read the shapefiles.
> which uses shapelib
> >
> > On Mon, Mar 27, 2023 at 9:51 AM 余 绍健 via QGIS-Developer
> > <qgis-developer at lists.osgeo.org> wrote:
> >> Dear All,
> >>    Sorry to interrupt, I'm newer to QGIS, whe I use QIGS, I find that
> it is so quick for QGIS to parse shapefile even it is a very big file, I
> try to decode the file by my own with shapelib library, but the result is
> disappointed, I try to learn it by myself with QGIS source code but failed,
> so anyone can help point the entry of  decoding process?
> >>
> >> Thanks.
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> >
> --
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>
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