ya it passed the test.
my problem was with binary format image. it works now thank you very much.
duc.sequere.aut.de.via.decede wrote:
>
>> i still get the same error.
>
> Do you have a compiler? Try this sanity check. Create this file,
> gradient.c:
>
> #include <stdio.h>
> #define NumberPixels (200*200)
>
> main()
> {
> int i;
> for (i=0; i < NumberPixels; i++)
> {
> float pixel = i/(float) NumberPixels;
> fwrite(&pixel,sizeof(float),1,stdout);
> }
> }
>
> Compile like this
>
> cc gradient.c
> a.out > rawimage
>
> Now convert:
>
> convert -define quantum:format=floating-point -depth 32 -size 200x200 \
> gray:rawimage image.png
>
> If all goes well you will see gradient when you display the image. The
> image attributes include:
>
> -> identify -verbose image.png
> Image: image.png
> Format: PNG (Portable Network Graphics)
> Class: PseudoClass
> Geometry: 200x200+0+0
> Resolution: 72x72
> Print size: 2.77778x2.77778
> Units: Undefined
> Type: Grayscale
> Base type: Grayscale
> Endianess: Undefined
> Colorspace: RGB
> Depth: 16-bit
> Channel depth:
> gray: 16-bit
> Channel statistics:
> gray:
> min: 0 (0)
> max: 65533 (0.999969)
> mean: 32766.7 (0.499988)
> standard deviation: 18918.3 (0.288675)
> kurtosis: -1.2
> skewness: -1.61271e-08
> ...
>
> Hopefully this works for you which proves ImageMagick is properly reading
> a float raw image.
> _______________________________________________
> Magick-users mailing list
> [email protected]
> http://studio.imagemagick.org/mailman/listinfo/magick-users
>
>
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