[Gdal-dev] "gdalinfo --formats" output

[Mateusz Loskot]

Frank Warmerdam wrote:
> Mateusz Loskot wrote:
>> Daniele Romagnoli wrote:
>>> Hi list,
>>>  
>>> when using the command "gdalinfo --formats"
>>> it returns a sequence of supported formats, as well as the specific
>>> driver capabilities which are symbolized by some initials: (ro), (rw)
>>> and (rw+).
>>>
>>> I think that (ro) means readonly while (rw) means read-write
>>> capabilities
>>>  
>>> If I'm right, what is the difference between (rw) and (rw+)?
>>>  
>>> The difference is related to Create and CreateCopy methods?
>>
>> Yes, that's the difference.
>> ro - read-only dataset support
>> rw - create support (Create)
>> rw+ - create copy support (CreateCopy)
> 
> Daniele / Mateusz,
> 
> A slight variation on this.
> 
> ro is read-only
> rw is read or write (ie. supports CreateCopy)
> rw+ is read, write and update (ie. supports Create)

Daniele,

I'm sorry, my fault, I misinform you about rw and rw+.
My explanations should be inversed: rw -> CreateCopy and rw+ -> Create.
Frank is right.

Frank,

Thank you for correction.

Best regards
-- 
Mateusz Loskot
http://mateusz.loskot.net