GD can certainly read .png & .gif. I'm not sure about tiff.
For .gifs you need a fairly recent version (post the expiry of the .gif patent), but I use GD to create and manipulate .pngs all the time, and going back at least 4 years.
What are the errors you are getting when you try to load a .png?
In reply to Re^8: Perl Image Analysis
by BrowserUk
in thread Perl Image Analysis
by Anonymous Monk
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