RE: [xep-support] Line thickness

From: Kevin Brown <kevin@renderx.com>
Date: Mon Jul 12 2010 - 22:20:26 PDT

Sam:

Perhaps you misunderstood the answer to this problem and have asked RenderX
if anything is changed. You should in fact be asking Adobe if anything has
changed.

RenderX creates tabular lines using a polygon. Adobe has issues displaying a
filled polygon whose lines are too close together using Windows (and
possibly other platforms) on a screen. RenderX's resolution far out paces
what all products you mention can handle or they change things to compensate
for it. Printing the PDF shows that the lines are perfect as expected.
Zooming any RenderX PDF to a higher level shows that the line are perfect
and drawn properly.

The problem lies solely with Adobe and its inability to render the actual
pixels on the screen so I am afraid there is nothing we could or would do to
fix an inefficiency in Adobe products.

And while you think FOP creates borders that happen to look OK on the
screen, I am surprised. I would be hard pressed to create borders that
actually look good.
 
Examine the two attached PDFs (or ask for them if they do not come through
on this list) and you decide. Same FO generated them both. At 100% zoom you
can see that the FOP lines are drawn incorrect and even zooming to 1400% you
can still see they are wrong. The RenderX lines are perfect. The RenderX
borders perfectly match to a resolution of 0.001pt

Kevin Brown
RenderX

-----Original Message-----
From: owner-xep-support@renderx.com [mailto:owner-xep-support@renderx.com]
On Behalf Of Sam Fischmann
Sent: Monday, July 12, 2010 6:39 PM
To: xep-support@renderx.com
Subject: [xep-support] Line thickness

Hello,

In comparing output of XEP to FOP, I get inconsistent ("fuzzy", when
anti-aliasing is enabled) lines in header and footer rules and table
borders when viewing XEP output in Acrobat. I thought this was just a
problem in Acrobat due to its resizing the PDF based on the zoom
level, but I haven't once encountered the problem in FOP, given the
same input. I have used other processes to create PDFs (through
Distiller) and didn't run across this problem either. I found the
following thread below... Has anything changed?

http://services.renderx.com/lists/xep-support/5994.html

Thanks,

-Sam Fischmann

!DSPAM:28,4c3c27e7409581224916709!

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Received on Mon Jul 12 22:28:53 2010

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