Re: PDF image quality challenge

Subject: Re: PDF image quality challenge
From: Shawn C <shawn -at- convergent -dot- io>
Date: Thu, 26 Sep 2013 16:56:29 -0700

Hello Robert,

The resolution was multi-part.

Best Practices:
- Use vector source files where possible (company logo, all my tech
drawings)
- All bitmaps should be a minimum of 300DPI (if possible)

How to use them:

Vector: I needed to install GhostScript for .eps and my MadBuild server
needed Java installed to render .svg images (output from Visio).
Bitmap: Just try to output the largest practical size possible.

Finally, configure TARGET PDF image compression from "JPEG" to "Automatic"

The reason why I was encountering problems was because of old habits. In
the past, an image at 1:1 was good enough for acceptable PDF output. But
Flare handles images a bit differently and 1:1 source images output poorly.

Sorry, I've rushed through this reply. Feel free to ask me to clarify
anything and I will tomorrow. My ride is here... leaving the office now. :-)



On Thu, Sep 26, 2013 at 4:44 PM, Robert Lauriston <robert -at- lauriston -dot- com>wrote:

> You resolved that issue? What was the fix?
>
> On Thu, Sep 19, 2013 at 2:45 PM, Shawn C <shawn -at- convergent -dot- io> wrote:
> >>It sounds like Flare is inappropriately resizing images for PDF.
> >
> > Something is up in Flare. Like I previously mentioned, I never
> encountered
> > such a problem in either FrameMaker or Word.
> >
> > I need to work on content now, so I'll revisit this problem over the
> > weekend.
> >
> > On Thu, Sep 19, 2013 at 12:31 PM, Robert Lauriston <robert -at- lauriston -dot- com
> >wrote:
> >
> >> From the Creating Single Source Images topic in Flare's help:
> >>
> >> "The typical DPI setting for images displayed in an Internet browser
> >> is usually somewhere between 72 and 96. The DPI is automatically set
> >> for online output when you capture the image, depending on the
> >> computer that you are using. However, the DPI setting for printed
> >> output often needs to be higher (say, 300 DPI). "
> >>
> >> Actually, a dpi somewhere around 72 to 96 (comparable to the
> >> resolution of computer displays) is the setting that will make screen
> >> captures easily readable in printed output and 100% zoom in Acrobat.
> >>
> >> The same 72-96 dpi is also good for browsers since you're viewing the
> >> screen shot on a screen of roughly that resolution.
> >>
> >> It sounds like Flare is inappropriately resizing images for PDF.
> >>
> >>
> >>
> http://webhelp.madcapsoftware.com/flare9/Default.htm#Images/Creating_Single_Source_Images.htm
> >>
> >> On Thu, Sep 19, 2013 at 10:57 AM, Shawn C <shawn -at- convergent -dot- io> wrote:
> >> > Hello all,
> >> >
> >> > My first attempt at a new thread. Please be kind.
> >> >
> >> > I already posted a similar message to the MadCap forum so the purpose
> of
> >> > this message is to explore this as a broader issue and hopefully
> discover
> >> > some best practices.
> >> >
> >> > I am a brand-new (1 month) user of MadCap Flare, but a long time Adobe
> >> > FrameMaker and Microsoft Word technical writer. Recently, I have
> >> > encountered major issues with images when publishing a Flare project
> to a
> >> > PDF file. The problem is that, at less than 100% zoom level, images
> are
> >> > oddly pixelated (badly rendered).To add some clarity, my images are
> >> > generally inserted at slightly greater than 300 DPI. So, I am using
> >> > slightly higher than normal resolution... maintaining a balance of
> file
> >> > size vs image quality considerations.
> >> >
> >> > I don't recall running into such image problems under Word or
> FrameMaker
> >> so
> >> > my finger is pointing is pointing at Flare.
> >> >
> >> > After some experimentation, I found that by integrating GhostScript
> with
> >> > Flare, I can use .eps [vector] images, the results are images that
> render
> >> > perfect at all zoom levels, inside a PDF.
> >> >
> >> > Part 1 of 2 solved! That is because the .eps format will obviously
> only
> >> > work on vector friendly images, like our corporate logo. Now, what do
> I
> >> do
> >> > about screen captures? Screen captures are a very important part of my
> >> > documentation. Any thoughts?
> >> >
> >> >
> >> > Thank you,
> >> > --
> >> > Shawn Connelly
> >> > technical writer
> >> >
> >> >
> >>
> >>
> > --
> > Shawn Connelly
> > technical writer
> > <http://convergent.io> <shawn -at- convergent -dot- io>
> >
> >
> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > New! Doc-to-Help 2013 features the industry's first HTML5 editor for
> authoring.
> >
> > Learn more: http://bit.ly/ZeOZeQ
> >
> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >
> > You are currently subscribed to TECHWR-L as robert -at- lauriston -dot- com -dot-
> >
> > To unsubscribe send a blank email to
> > techwr-l-leave -at- lists -dot- techwr-l -dot- com
> >
> >
> > Send administrative questions to admin -at- techwr-l -dot- com -dot- Visit
> > http://www.techwhirl.com/email-discussion-groups/ for more resources
> and info.
> >
> > Looking for articles on Technical Communications? Head over to our
> online magazine at http://techwhirl.com
> >
> > Looking for the archived Techwr-l email discussions? Search our public
> email archives @ http://techwr-l.com/archives
>



--
Shawn Connelly
technical writer

<shawn -at- convergent -dot- io>


^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
New! Doc-to-Help 2013 features the industry's first HTML5 editor for authoring.

Learn more: http://bit.ly/ZeOZeQ

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

You are currently subscribed to TECHWR-L as archive -at- web -dot- techwr-l -dot- com -dot-

To unsubscribe send a blank email to
techwr-l-leave -at- lists -dot- techwr-l -dot- com


Send administrative questions to admin -at- techwr-l -dot- com -dot- Visit
http://www.techwhirl.com/email-discussion-groups/ for more resources and info.

Looking for articles on Technical Communications? Head over to our online magazine at http://techwhirl.com

Looking for the archived Techwr-l email discussions? Search our public email archives @ http://techwr-l.com/archives


Follow-Ups:

References:
PDF image quality challenge: From: Shawn C
Re: PDF image quality challenge: From: Robert Lauriston
Re: PDF image quality challenge: From: Shawn C
Re: PDF image quality challenge: From: Robert Lauriston

Previous by Author: Re: Tools statistics
Next by Author: Re: Tools statistics
Previous by Thread: Re: PDF image quality challenge
Next by Thread: Re: PDF image quality challenge


What this post helpful? Share it with friends and colleagues:

Sponsored Ads


Sponsored Ads