[gdal-dev] Reading shapefile from ZIP archive (c++)

[Sharon Eldor]

Thanks - so is there a way to list the content of the zip file or do I use
some other tool for that?

On Tue, Sep 6, 2022 at 10:50 AM Daniel Evans <daniel.fred.evans at gmail.com>
wrote:

> Hi Sharon,
>
> I think all you need to do is define the path to open as:
>
> '/vsizip//parks-and-recreation-feature-map-d.zip/parks-and-recreation-feature-map/parks-and-recreation-feature-map.shp'
>
> i.e. defining the filepath as:
>
> /vsizip/<path to the zip>/<path inside the zip>
>
> When the zip contains only a single (shape)file at the top level - the case where you've got it working - GDAL automatically determines the file to open.
>
> Docs at: https://gdal.org/user/virtual_file_systems.html#vsizip-zip-archives
>
> Cheers,
>
> Daniel
>
>
> On Tue, 6 Sept 2022 at 15:30, Sharon Eldor <seldor at kinetica.com> wrote:
>
>> Hi,
>> Trying to read shapefiles from a zip archive, I am running:
>>
>> GDALDataset::Open('/vsizip//parks-and-recreation-feature-map-d.zip', GDAL_OF_VECTOR |
>>
>>                                   GDAL_OF_READONLY | GDAL_OF_VERBOSE_ERROR | GDAL_OF_SHARED,
>>
>>                                   NULL, NULL, NULL )
>>
>>
>> When there is a directory in the zip, I get an error:
>>
>> Error: `/vsizip//parks-and-recreation-feature-map-d.zip' not recognized as a supported file format.
>>
>>
>> When the files are not under a directory in the zip (same files), the zip file is read with no error.
>>
>> Attaching 2 files for example.
>>
>> Is there a way to directly read the files from the archive with the directory?
>>
>>
>>
>> Thanks,
>>
>> Sharon
>>
>>
>>
>>
>>
>>
>>
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