[gdal-dev] Overviews using GDAL

[Dmitry Baryshnikov]

Hi,

When you use RasterIO 
(http://www.gdal.org/classGDALDataset.html#ae077c53268d2272eebed10b891a05743) 
GDAL automatically switch to right overview based on input parameters. I 
think ArcGIS do it the same way.

Regards,
Dmitry

11.12.2012 16:58, HariPrasad пишет:
> Iam beginner to GDAL.
>
> I have an Image which has internal overviews in it. I am able to display
> each overview separately, but i want to dynamically select the corresponding
> overview when that image is zoomed in/out. Which method i need to use in
> GDAL to achieve this functionality.  And how does ArcEditor 10 understand
> which overview to display.
>
>
>
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