[cad-linux] Re: Linux Drawing Viewer - need opinions

  • From: Brian Johnson <bjohnson@xxxxxxxxxxxx>
  • To: cad-linux@xxxxxxxxxxxxx
  • Date: Tue, 29 Jan 2002 04:22:12 +0000

If it's working at 72 dpi, leave it that way for now

Improved printing will be great, but we can start testing out the rest of the 
program

(My $0.02 CDN - $0.01 USD)


AJBIBB@xxxxxxx wrote: 
>
>I managed to get a drawing to plot and even (surprisingly) figured out how to
>print to a defined scale.  However, as is typical with computers I ran into
>an unexpected problem and I need opinions on how to proceed.
>Plotting using QT (the only way I am about to tackle this problem) version
>2.3 forces the postscript output to be a 72 dpi.  There is no way to adjust
>this value.  In researching the problem I discovered that one of the major
>enhancements of QT3 is the ability to map output to the real dpi values for
>your printer.  This will obviously provide much better print quality (say 600
>dpi compared to 72 dpi).
>At 72 dpi the output looks like it was made with a 9pin dot matrix printer -
>readable but not presentation quality.  The question I have for anyone using
>my viewer program:  could you live with 72 dpi printing in the next version
>and not have to be bothered upgrading your QT libraries, or would you rather
>upgrade and have the better quality print?  Eventually I'll be going to QT3
>so it is just a question of sooner or later?
>By the way, printing to a file with QT is trivial (at 72 dpi).  Once I get
>this portion wrapped up not only will you be able to print to paper, but you
>will also be able to save the file in Postscript format for easy viewing and
>converting.  I know - it sounds too easy (which is what I thought when it was
>first mentioned on this mailing list) but it really works that way.
>Andy

-----
Brian Johnson, P. Eng.
Johnson Engineering Consultants
www.jecinc.on.ca

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