[gdal-dev] Creation/read format question

[Tyler Mitchell]

Great explanation, thanks!

On 2013-03-04, at 9:14 PM, Chaitanya kumar CH wrote:

> Hi Tyler,
> 
> 'ro' and 'rw' mean what they imply.
> 
> The '+' symbol tells that the format supports the Create() method. So, we can use them to create a dataset from scratch and add metadata explicitly. Without it, we need a 'template' dataset.
> 
> The 'v' means that the format driver supports the virtual system interface. Note that there may be drivers that support it but don't report that they do.
> 
> 
> On Tue, Mar 5, 2013 at 9:01 AM, Tyler Mitchell <tyler.mitchell at actian.com> wrote:
> Not sure how to describe it, but when gdal lists available formats, I see a few different ways that formats are marked as read, write, etc.
> The "rw" and "ro" items are easy enough for me to understand, but what about:
> "rov"
> "rw+v"
> "rwv"
> "rw+"
> ?
> 
> Does the "v" refer to support in VRTs perhaps?
> Do  rw+v, rwv, rw+ all mean same thing?
> 
> Any tips appreciated :)
> 
> Tyler
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> 
> 
> 
> -- 
> Best regards,
> Chaitanya kumar CH.
> 
> +91-9494447584
> 17.2416N 80.1426E



Tyler Mitchell
Engineering Director 
Actian Corporation
tyler.mitchell at actian.com

MOBILE 250-303-1831
SKYPE spatialguru
www.actian.com

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