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Re: How to make higher resolution GIF or JPEG image? [message #38118 is a reply to message #38021]

Tue, 17 February 2004 13:02

Michael Wallace
Messages: 409
Registered: December 2003

Senior Member

>> You can use PNG instead of GIF. PNG is basically a free replacement for
>> GIF. It's been supported in IDL for a while and nearly everyone who I
>> work with who use to use GIFs now use PNGs. I wouldn't recommend JPEG
>> or any other lossy format. And PNGs can be seen without problem in web
>> browsers.
>
>
> That's the concern here: That many folks have web browsers that haven't
> been upgraded in a while and won't be able to support PNG. I counselled
> against using JPEG, but there's not many alternatives if one rules out PNG.

Well, as far as PNGs go, most browsers do support the format and have
for a few years now. I think there was some quirkiness with Internet
Explorer 4 and 5. I'm not sure if the issues with transparency got
fixed in IE 5.5 or 6. Anyway, even the older versions of IE should
support PNGs that don't have transparency. I'm not sure about IE 4, but
I know that IE 5.0 supports them.

Netscape has supported PNG since the early 4.x releases and Mozilla and
Opera always have. I haven't had any users complain about the PNGs on
my sites and some of them do use old software.

Mike

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[Message index]

		Re: How to make higher resolution GIF or JPEG image? By: bleau on Tue, 17 February 2004 12:35
		Re: How to make higher resolution GIF or JPEG image? By: Rick Towler on Fri, 13 February 2004 16:26
		Re: How to make higher resolution GIF or JPEG image? By: Michael Wallace on Fri, 13 February 2004 14:40
		Re: How to make higher resolution GIF or JPEG image? By: Andrew Loughe on Fri, 13 February 2004 14:03
		Re: How to make higher resolution GIF or JPEG image? By: Michael Wallace on Tue, 17 February 2004 13:02

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