Comments
gif is much better than jpg
It is normal to calibrate the print driver so that the
accuracy is very good. If you put a ruler up on a
printed 1 inch line and see that it is significantly
off then the driver needs to be calibrated.
Greg
On 3/12/2012 1:23 PM, Hal Murray wrote:
[email protected] said:
Or if it is all text, the postscript file system is very good, it allows
control of the entire page formatting in preservation of accurate
alignments.
Postscript also does lines and circles and ...
Usually it gets (much) better results with text than you get from gif/jpg
when they are targeted for screen resolution.
A laser printer with 600 dpi is a very good graphics machine
Keep in mind that the scale factor may be a bit off. If you draw a 1 inch
line, it might be slightly more or less than an inch.
It's easy to scale postscript. My linux system has a psresize command. (I
haven't tried it, at least not recently.) With a bit of trial and error, you
can get a very accurate result.
I used to print gerber layers for PCBs on mylar. If you were doing
mechanical checks, it was worth the effort to get the scale right. (Maybe we
just had a crappy printer.)
If you like low level hacking, you can write raw postscript by hand for
simple things. I have the first 3 postscript books from many years ago. I
pull them out every few years.
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