Issue while cropping jpg image

[globule22]

Hi,

I have a little issue with imagick
my information about imagick are:
imagick module version
2.0.1
imagick classes :
Imagick, ImagickDraw, ImagickPixel,
ImagickPixelIterator
ImageMagick version :
ImageMagick 6.3.7 02/19/08 Q16
http://www.imagemagick.org
ImageMagick release date
02/19/08
ImageMagick Number of supported
formats:
179

i simply try to crop an image with php with this code

$image = new Imagick();
$image->readImage('essai.jpg');
$image -> cropImage(250,250,0,0);
$image -> writeImage('final.jpg');
$image -> clear();
$image -> destroy();

and i always have my final?jpg file as a black image

anyone has an idea?

Regards

[globule22]

Ok problem solved, big mistake, the beginning of my source image is black around coordinates (0,0)