Openmeetings
  1. Openmeetings
  2. OPENMEETINGS-484

Poor quality of bitmapped pictures in pdf files on the whiteboard.

    Details

    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Major Major
    • Resolution: Not a Problem
    • Affects Version/s: 2.0.0 Apache Incubator Release
    • Fix Version/s: 3.0.0
    • Component/s: None
    • Labels:
      None
    • Environment:
      Server runs CentOS 6, apache-openmeetings-incubating-2.0.0.r1361497-14-07-2012_1108.tar.gz

      Description

      I make a pdf presentation with latex/beamer, include a png picture in it. Then I upload the pdf file produced by latex to the om whiteboard. The text part of the slide looks fine, but the image is very low resolution/unsharp. See attached screenshot.

      1. 9.png
        6 kB
        Mikael Kurula
      2. 99.png
        15 kB
        Mikael Kurula
      3. orig.png
        3 kB
        Mikael Kurula
      4. Screen shot 2012-12-10 at 16.33.19 (2).png
        136 kB
        Mikael Kurula

        Activity

        Hide
        Maxim Solodovnik added a comment -

        resolved as configuration issue

        Show
        Maxim Solodovnik added a comment - resolved as configuration issue
        Hide
        Mikael Kurula added a comment -

        Hi!

        Yes, indeed raising the swftools_zoom parameter value to 300 solved the problem! (The default values was somewhere smaller than 100 for me, I think. I tread raising the jpegquality parameter value already earlier without success.) Great, thanks for this!

        Mikael

        Show
        Mikael Kurula added a comment - Hi! Yes, indeed raising the swftools_zoom parameter value to 300 solved the problem! (The default values was somewhere smaller than 100 for me, I think. I tread raising the jpegquality parameter value already earlier without success.) Great, thanks for this! Mikael
        Hide
        Maxim Solodovnik added a comment -

        Hello Mikael,

        could you please try to fix it by setting these 2 parameters:
        swftools_zoom
        swftools_jpegquality
        Possible values are described here: http://openmeetings.apache.org/GeneralConfiguration.html

        Show
        Maxim Solodovnik added a comment - Hello Mikael, could you please try to fix it by setting these 2 parameters: swftools_zoom swftools_jpegquality Possible values are described here: http://openmeetings.apache.org/GeneralConfiguration.html
        Hide
        Mikael Kurula added a comment -

        Thanks for the hint! I tried this and I managed to screw up the quality totally by setting a low quality (9, see 9.png), but setting it higher didn't improve it (99.png). The screenshot orig.png is taken from the pdf openeded on my own computer.

        Show
        Mikael Kurula added a comment - Thanks for the hint! I tried this and I managed to screw up the quality totally by setting a low quality (9, see 9.png), but setting it higher didn't improve it (99.png). The screenshot orig.png is taken from the pdf openeded on my own computer.
        Hide
        Maxim Solodovnik added a comment -

        can you please change "swftools_jpegquality" config parameter and retest?
        If I'm not mistaken it was created to improve quality of PDF images

        Show
        Maxim Solodovnik added a comment - can you please change "swftools_jpegquality" config parameter and retest? If I'm not mistaken it was created to improve quality of PDF images

          People

          • Assignee:
            Unassigned
            Reporter:
            Mikael Kurula
          • Votes:
            1 Vote for this issue
            Watchers:
            3 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

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