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A utility used to merge small image tiles to create a bigger image

6 votes
Accepted

gdal_merge'd files take more space

To put the comments into an answer: It looks like the processing was doing a bad job at predicting the optimal compression? Coupled with no tiling there was really inefficient storage. The solution …
Logan Byers's user avatar
  • 2,859
3 votes
Accepted

How to merge multiple geotiffs by the maximum value using gdal_merge.py?

Because you are trying to ignore the NoData values in the input rasters, I suggest you either set the NoData for each raster before merging (in which case gdal_merge.py will ignore those pixels on mer …
Logan Byers's user avatar
  • 2,859
1 vote
Accepted

Set one output band's no data value with gdal_merge.py

As I understand, here is your setup: A: raster B: raster, same size as A nodata_b: nodata value for B; 0 in this instance Your goal is to create raster C, which is A masked by valid B. C = A wher …
Logan Byers's user avatar
  • 2,859