[magick-users] smooter gradients

[Bob Meetin]

I'm using the following to create a gradient:

convert -size 10x600 gradient:#000-#fff gradient.gif

It creates the image fine, but the transition is not smooth  See sample at:

http://dottedi.biz/codesamples/themes2/graphics/img.gif

I used 100x600 in this sample to make it easier to visualize the 
problem.  What option do I use to make this a smoother transition gradient?

-Bob