Hi Hari,
26.12.2012 9:16, HariPrasad ?:
Hi Dmitry
I was inspecting various GDAL sources
(http://trac.osgeo.org/gdal/browser/trunk/gdal/frmts). I was bit confused
how to implement RasterIO method. Which format to look for better idea.
By my opinion the best format is geotiff
Should i call
Hi Dmitry
I was inspecting various GDAL sources
(http://trac.osgeo.org/gdal/browser/trunk/gdal/frmts). I was bit confused
how to implement RasterIO method. Which format to look for better idea.
Should i call IRasterIO() method in IReadBlock?
/CPLErr RBDRasterBand::IReadBlock( int nBlockXOff, in
Hi,
GDALDataset::RasterIO pass the request off to each band objects
rasterio methods with appropriate arguments
In GDALRasterBand::RasterIO
(http://www.gdal.org/classGDALRasterBand.html#a5497e8d29e743ee9177202cb3f61c3c7)
"Some formats may efficiently implement decimation into a buffer by
r
Thanks Dmitry for your replay.
I did that using IRasterIO(), but non of the IRasterIO() parameters has
which overview its displaying. (i.e overview number). How can i know which
overview it has displayed?
I used GetOverview(int). I was able to get the overview numbers. But when i
zoomed to maxi
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 hav
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 Arc
