Thanks
发件人: Werner Macho
发送时间: 2023年3月27日 23:18
收件人: Even Rouault
抄送: Alessandro Pasotti ; 余 绍健 ;
qgis-developer@lists.osgeo.org
主题: Re: [QGIS-Developer] How does QGIS parses the shapefile so quickly
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
mailto:qgis-developer@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
> mailto:qgis-developer@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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