[Gimp-user] BMP export gives Invalid Header

[PeterBez <forums gimpusers com>]

> I could open a Gimp 1 bit bmp in an old Coreldraw but I believe you. I
> have come across similar errors for RGB bmp for tracing using
> Autotrace.
>
> Have you tried using command line Imagemagick (IM)
>
> magick image-in.png -colors 2 +dither -type bilevel image-out.bmp
>
> Comparing files from the same source, IM file size is a few bytes
> larger and that is the header. Inspecting the properties, identical
> except for chromaticity - strange entries for red + green from Gimp.
>
> Worth a try.

Thanks for the reply, after reading your post I wondered if I could do the same
job with a .png.  I processed the image the same way and exported it as a .png.
It worked fine and after four years discovered that my laser software (Lasercut
5.3) will import transparent png files.
Many thanks

Peter

-- 
PeterBez (via www.gimpusers.com/forums)