You need to count tiles in the row, not pixels. ceil(126015/128)*3*8*128*128 = 387 118 080 = half a gigabyte.
On Sat, Mar 13, 2021 at 12:08 AM <matt.wil...@yukon.ca> wrote: > > You need to enlarge cache size (GDAL_CACHEMAX) so that it can fit the > uncompressed tiles of one single row of your image. > > > > Oh, ok. What’s the formula for that? A single row of pixels X num bands X > bit-depth? Or Block-size X bands X depth? > > > > Given a source of: > > > > Size is 126015, 68149 > > Band 1 Block=128x128 Type=Byte, ColorInterp=Red > > Band 2 Block=128x128 Type=Byte, ColorInterp=Green > > Band 3 Block=128x128 Type=Byte, ColorInterp=Blue > > > > The math would be: > > > > 126015*3*8=3024360 bytes > > 3024360/1024= 2,954 KB > > > > Or: > > > > 126015*3*8*128*128=4E10 bytes > > 4E10/1024/1024= 3,8147 MB > > > > ? > > > > -Matt > > > -- Darafei "Komяpa" Praliaskouski OSM BY Team - http://openstreetmap.by/
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