[gdal-dev] Instructions for a new writing driver?

[Even Rouault]

(resending to list)

The CSV driver is actually not that simple to follow since it has tricks 
to support updates through the OGREditableLayer mechanism. The GMT one 
(ogr/ogrsf_frmts/gmt) might be a better start for a creation & append 
only driver. But basically, the only common thing with your own code 
will be the fact that you have to implement the 2 virtual methods of 
interest: OGRLayer::CreateField() ,d OGRLayer::ICreateFeature() and 
declare a few capabilities in OGRLayer::TestCapability()

Unless you want to implement update capabilities (if the format allows 
it, which is generally not the case for a text based format), it might 
be simpler to have 2 distinct OGRLayer sub-classes for read-only and 
write-only operations.

Even

Le 05/07/2023 à 13:21, Laurențiu Nicola via gdal-dev a écrit :
> Hi,
>
> I think your best bet would be to take inspiration from an existing 
> driver, like the CSV one (which shouldn't be too different from the 
> hypothetical SPF driver in the docs).
>
> Laurentiu
>
> On Wed, Jul 5, 2023, at 14:17, Abel Pau wrote:
>>
>> Hi, following instructions about creating a new driver I found that
>>
>> https://gdal.org/tutorials/vector_driver_tut.html
>>
>>
>>
>> But I need to create a driver that can also write from any vector 
>> it’s own format.
>>
>> So, the inverse sense of the html I found.
>>
>>
>> There is any other place I can follow any instructions to fill all 
>> function classes to create this part of the driver (the one that 
>> writes it’s own format)?
>>
>> Thanks in advance!
>>
>>
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>>
>
>
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