[Gdal-dev] Re: single ECW output from multiple input tiles

Gabriel Ebner ge at gabrielebner.at
Sat May 14 08:13:23 EDT 2005


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Ken Boss wrote:

> I'm wondering if any of the tools commonly found in this neighborhood
> might be capable of constructing a single mosaicked ECW output directly
> from a collection of tiled inputs, without going through an intermediate
> (uncompressed, full-res) file.  I'm pretty sure gdal_merge.py won't be
> able to fit the bill on this one, are there other options?

How about using a vrt dataset?  That should actually be able handle huge
mosaics.  I'm currently using a rewritten gdal_merge.py (attached) to
generate such files and it works pretty well.  It should be possible to
gdal_translate that to ecw without problems.

        Gabriel.
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