Thanks to all who replied to this, specially Ken Ray who gave me a
quick way out of my problem and answered my other question too. This
is by no means the first time I've been happy to thank Ken for a
RunRev solution. I really appreciate it.
Graham
(OT rant: I had tried the Help files in Photoshop Elements but I just
gave up because they don't give you, AFAIK, a step-by-step guide to
making part of an image transparent. To my mind, Photoshop has been
so successful that it's created its own vocabulary which is hard for
amateurs to grok, but their huge success makes them thinking they're
speaking English: perhaps my favourite is 'Unsharp mask' which
actually sharpens! ).
Message: 10
Date: Tue, 29 Nov 2005 16:37:10 -0600
From: Ken Ray <[EMAIL PROTECTED]>
Subject:
To: Use Revolution List <[email protected]>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset="US-ASCII"
On 11/29/05 4:05 PM, "graham samuel" <[EMAIL PROTECTED]> wrote:
I've now started to using PNGs rather than GIFS, and I can give them
transparent backgrounds in exactly the same way as the GIFs
(GraphicConverter on the Mac is really good for this - a lot simpler
than Photoshop Elements... but I digress).
That's the problem, unfortunately - you need to have a true alpha
channel in
order to have the PNG be transparent. To do this in
GraphicConverter takes
only one more step.
After you've used the wand tool to drop out the transparent color,
go to the
Picture menu, down to Alpha Channel, and select Create Alpha/Mask
Channel
From Transparency.
You won't notice anything happen in GraphicConverter, but when you
save it
out, you'll have the proper transparency in Rev/MC.
(This leads me to ask if
is there any disadvantage to using GIFs over PNGs - I kind of thought
there was, but I'm no longer sure why).
Yes, with GIFs you only get 256 colors, whereas with PNGs you get
24bit
color. That's the primary reason.
Have fun,
Ken Ray
Sons of Thunder Software
Web site: http://www.sonsothunder.com/
Email: [EMAIL PROTECTED]
----------------------------------------
Graham Samuel / The Living Fossil Co. / UK and France
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