[Image-SIG] Issues generating large PNGs
B. Bogart
ben at ekran.org
Fri Jan 30 00:06:13 CET 2009
Hello all,
I tried to create a 17600x2400 pixel PNG in PIL.
The image appears wrong, and identify reports:
identify: Ignoring bad adaptive filter type `montage.png' @
png.c/PNGWarningHandler/1421.
identify: Extra compressed data `montage.png' @ png.c/PNGErrorHandler/1404.
identify: Corrupt image `montage.png' @ png.c/ReadPNGImage/2892.
If I change the output file to tif then everything works:
montage.tif TIFF 17600x2400 17600x2400+0+0 8-bit DirectClass 120.8mb
Is there an upper limit to the size of PNG files?
.b.
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