[MapServer-users] Problems with vrt created from GCP raster

[Scott]

My "first is worst" suggestion would be to create a .vrt for each day:

gdalbuildvrt Day1.vrt [date]*.tif
gdalbuildvrt Day2.vrt [date]*.tif
...

Next, in your .map file use runtime substitution:

DATA "/file/path/Day%day%.vrt"

If you really want to make this fast, convert all your source .tif's to 
format COG. All you tif's will be tiled:

gdalwarp -f COG -co COMPRESS=DEFLATE -co BIGTIFF=YES sent.tif sent_cog.tif



On 12/6/22 09:18, Marcin Niemyjski via MapServer-users wrote:
> Hello,
> 
> up to now, I have been working with VRT as a carrier for the rasters I 
> wanted to use in the mapfile. Now in order to use the rasters that were 
> provided to me (they are GCP georeferenced rasters) I have to convert 
> them to VRT(via gdal warp), hence my question - how can I mosaic the 
> rasters within one layer in Mapserver (one layer = one day of photos 
> from Sentinel-2 for example). I can't create vrt to existing vrt, and 
> creating a tileindex for each layer generates too many files. I wanted 
> to create one vrt gathering together all of raster but gdal_warp uses 
> only the first one as data source.
> 
> What can I do?
> 
> Best regards,
> Marcin
> 
> 
> 
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