Re: [gdal-dev] Mosaic question...

2017-02-07 Thread David Shean
Jonathan, The dem_mosaic utility in the NASA Ames Stereo Pipeline suite of tools does exactly what you want. It was developed to efficiently generate large seamless mosaics from 1000s of raster inputs. The user can select from several options for output mosaic values (weighted average, median,

Re: [gdal-dev] Mosaic question...

2017-02-07 Thread Even Rouault
On lundi 6 février 2017 22:33:19 CET Jonathan Greenberg wrote: > GDALers: > > I love the gdalbuildvrt -> gdal_translate trick for large mosaicks, but I > have a somewhat more complicated problem I was hoping I could get some help > on. Given a large set of overlapping images, I want to mosaic usi

[gdal-dev] Mosaic question...

2017-02-06 Thread Jonathan Greenberg
GDALers: I love the gdalbuildvrt -> gdal_translate trick for large mosaicks, but I have a somewhat more complicated problem I was hoping I could get some help on. Given a large set of overlapping images, I want to mosaic using the following "rules": 1) all overlapping pixels should be averaged to