Georaster: Import very large images with sdo_geor.importFrom

Hello

What is the best way to import images of very large (> 50 GB) (GeoTIFF, TIFF, etc.) in a table georaster. Actually I don't have the image in a single file, but in raster 1 GB files.

Approach 1:

Import each image 1 GB with sdo_geor.importFrom block into small tiles (block settings) within the oracle and merge 50 rasters then into a large raster object using SDO_GEOR.mosaic. It is a recommended method?

Approach 2:

Create the actual tiles of all images with GDAL. Is it possible to import directly the tiles with meta-information into a table of raster data?

Thanks for your suggestions on this matter.

Yes, for Linux, you will need to compile it yourself. I did it without too much trouble on Centos.

But the most straightforward approach is to download and install the latest QGIS for Windows. The grouped GDAL is up-to-date and includes the hooks of the OIC.

See you soon,.

Paul

Tags: Database

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