[TMC] Need software to change blueprint to blackline

[Richard Knoppow]

----- Original Message ----- 
From: <WA5CAB at cs.com>
To: <boatanchors at qth.net>; <boatanchors at theporch.com>; 
<milsurplus at mailman.qth.net>; <mrca at mailman.qth.net>; 
<atlas_craftsman at yahoogroups.com>; 
<southbendlathe at yahoogroups.com>; 
<atlasshaperandmillingmachineusersgroup at yahoogroups.com>; 
<tmc at mailman.qth.net>
Sent: Saturday, January 19, 2013 4:06 PM
Subject: [TMC] Need software to change blueprint to 
blackline


> Groups,
>
> I received a file from another member of several of these 
> lists asking
> whether I could turn several blueprints in to regular 
> black on white.  The parts
> are specifically machinery parts to make but I also 
> acquired recently a
> couple of radio manuals worth scanning with for some 
> strange reason the
> schematics as blueprints.  Hence the wide distribution.
>
> Does anyone know of any software that can turn a scanned 
> negative or
> blueprint into a positive (black lines on white)?  If so, 
> please tell me what it
> is.  I actually thought I had done some of this a few 
> years ago but when I
> went to try to find what I did it with, the cupboard was 
> bare.  It would also
> be nice if the application costs less than AutoCad!
>
> Robert Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480

    Boy you posted this to a lot of places.
    If its any common sort of file you can use an image 
editor to reverse it and scale it if necessary. There is a 
very good program called Gimp available FREE.  Do a google 
search for it.  It will do most of what Photoshop will do.


--
Richard Knoppow
Los Angeles
WB6KBL
dickburk at ix.netcom.com