V G wrote:

> On Wed, May 25, 2011 at 2:15 PM, Olin Lathrop wrote:
>=20
>> Right, but the point is there is little excuse for needing that much.
>>  If it's a photograph, then it should be JPG.  You can show a lot of
>> stuff with JPG compression in 40kbytes.  If it's line art, then it
>> should compress very well with LZW or even runlength compression.  A
>> GIF file would be a good choice, especially if you limit the image
>> to black and white or gray scale. 40kbytes is huge for a black and
>> white line drawing properly compressed.=20
>>=20
>> The problem is that all too often people use inappropriate image
>> formats and compression.  Note how often we see people sending Eagle
>> screen shots as JPEG files, for example.  Think of the 40kbyte limit
>> as a moron filter.=20
>=20
> I don't agree with this. 40k is an arbitrary limit not based on any
> actual statistical or scientific research. I compressed my "line art"
> pictures with PNG and GIF (I really hate GIF), and both times, it was
> slightly over 40k (about 60-80k).=20

Statistical/scientific or not: it's enough for most purposes, including
this one. Just for fun, I cropped your routed picture to the board (as
PNG, just like the original): 34.9 kB.=20

> This is 2011.

Yup, and the basics are still the same :)

Gerhard
--=20
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