On Sat, 2016-10-15 at 12:49 +0200, Deixis wrote:
> C:\Program Files\ImageMagick-7.0.3-Q16>magick identify 1.png
> 1.png PNG 327168x325632 327168x325632+0+0 8-bit sRGB 1.0255GB 0.000u
OK, so this will need approx. 400 gigabytes of swap space, maybe as
much as twice that.
If you want to try working with it, you should get a spare 1T or 2T
In the netbpm tools the pamscale program reads a single raster row at a
time, so it can probably handle your image. You'd need to use something
like (in the command line, netpbm does not have a GUI)
pngtopnm -byrow thefile.png | pamscale -reduce 1024 -linear | pnmtopng
(make sure you get a 64-bit version though)
But it would be better to regenerate the image!
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