Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
But your image will not be shown on your page when the code is run but saved ( unless you have specificaly asked for it to be shown ). Are you sure the image was not created and saved somewhere ?
I use php and if there was an error in your code nothing is displayed, again just a blank page.