I can't say why QGIS handles Shapefiles so quickly but I do have experience of
reading and writing them for myself.
I didn't want to use Shapelib - too big and cumbersome so I just added
read/write functions to my application and used the ESRI document for
reference. It is quite easy to follow
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@lists.osgeo.org> wrote:
>
> Le
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
wrote:
Dear All,
Sorry to interrupt, I'm newer to QGIS, whe I use QIGS, I
Hi,
QGIS is using the GDAL/OGR library to read the shapefiles.
On Mon, Mar 27, 2023 at 9:51 AM 余 绍健 via QGIS-Developer
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
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
