[1625] in java-interest
Re: Request opinion about workabillity of java as it is now
daemon@ATHENA.MIT.EDU (Adam M. Costello)
Mon Sep 11 14:27:13 1995
Date: Mon, 11 Sep 1995 15:23:48 GMT
From: amc@cs.wustl.edu (Adam M. Costello)
To: java-interest@java.sun.com
moost@nlr.nl (M. Oost) writes:
> The user would issues his request for a quick_look_image wich the
> server would send to him. For this quick_look_image the user would get
> the possibility to select the resolution, the image would then be send
> in a non-standard format to the user to allow for more resolution the
> longer he waits.
> +--+--+--+--+
> | 1| 5| 2| 8| The pixels of the image would of course be send
> +--+--+--+--+ 1, 2, 3 ... 16
> | 6| 7| 9|10|
> +--+--+--+--+
> | 3|11| 4|14|
> +--+--+--+--+
> |12|13|15|16|
> +--+--+--+--+
Sorry this is off-topic, but...
There is no need to use a non-standard format. PNG (Portable Network
Graphics) offers a 7-pass progressive display that starts with a 1/64
size image (1/8 in each dimension) and doubles the number of pixels
on each subsequent pass. Although it's a new format, it is currently
supported by many applications, and the number is growing. There is a
patch available for xv, and Mosaic 2.7 is expected to support inline
PNG. PNG is intended to replace GIF. See:
http://quest.jpl.nasa.gov/PNG/
AMC
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