(In reply to comment #42)

Just found qpdf to decompress the pdf data to a readable stream:
qpdf --stream-data=uncompress  --normalize-content=y --filtered-stream-data 
dotscase.pdf dotscase4.pdf

and then you can see the dots in the pdf stream, too:

stream
0.1 w
q 0 0.1 595.2 841.8 re
W* n
1 1 1 rg
0 842 m
595.2 842 l 595.2 0.1 l 0 0.1 l 0 842 l h
f*
0 0 0 RG
q 0 w 0 J 1 j
126.3 734.1 m
146 714.4 l 126.3 694.7 l 106.6 714.4 l 126.3 734.1 l
126.3 734.1 l h
S
Q
q 0 w 0 J 1 j
106.6 734.1 m
106.6 734.1 l h
S
Q
q 0 w 0 J 1 j
146.1 694.6 m
146.1 694.6 l h
S
Q
Q

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to libreoffice in Ubuntu.
https://bugs.launchpad.net/bugs/689349

Title:
  [Upstream] Draw file exported to PDF have erroneous pixel-sized dots
  in Acroread, not in Evince

Status in LibreOffice Productivity Suite:
  Confirmed
Status in “libreoffice” package in Ubuntu:
  Triaged
Status in “openoffice.org” package in Ubuntu:
  Won't Fix

Bug description:
  Binary package hint: openoffice.org
  Binary package hint: libreoffice

  1)
  Natty:
  lsb_release -rd
  Description:        Ubuntu Natty (development branch)
  Release:        11.04

  Maverick:
  lsb_release -rd
  Description:  Ubuntu 10.10
  Release:      10.10

  2)
  Natty:
  apt-cache policy libreoffice-draw
  libreoffice-draw:
    Installed: 1:3.3.1-1ubuntu5
    Candidate: 1:3.3.1-1ubuntu5
    Version table:
   *** 1:3.3.1-1ubuntu5 0
          500 http://us.archive.ubuntu.com/ubuntu/ natty/main i386 Packages
          100 /var/lib/dpkg/status

  Maverick:
  apt-cache policy libreoffice-draw
  libreoffice-draw:
    Installed: 1:3.3.1-1ubuntu3~maverick1
    Candidate: 1:3.3.1-1ubuntu3~maverick1
    Version table:
   *** 1:3.3.1-1ubuntu3~maverick1 0
          500 http://ppa.launchpad.net/libreoffice/ppa/ubuntu/ maverick/main 
i386 Packages
          100 /var/lib/dpkg/status

  apt-cache policy acroread
  acroread:
    Installed: 9.4.2-0maverick1
    Candidate: 9.4.2-0maverick1
    Version table:
   *** 9.4.2-0maverick1 0
          500 http://archive.canonical.com/ubuntu/ maverick/partner i386 
Packages
          100 /var/lib/dpkg/status

  apt-cache policy evince
  evince:
    Installed: 2.32.0-0ubuntu1.1
    Candidate: 2.32.0-0ubuntu1.1
    Version table:
   *** 2.32.0-0ubuntu1.1 0
          500 http://us.archive.ubuntu.com/ubuntu/ maverick-updates/main i386 
Packages
          500 http://security.ubuntu.com/ubuntu/ maverick-security/main i386 
Packages
          100 /var/lib/dpkg/status
       2.32.0-0ubuntu1 0
          500 http://us.archive.ubuntu.com/ubuntu/ maverick/main i386 Packages

  3) What is expected to happen is when one performs at the Terminal:

  cd ~/Desktop && wget
  
https://bugs.launchpad.net/ubuntu/+source/openoffice.org/+bug/689349/+attachment/1763870/+files/classnetwork.odg
  && lodraw -nologo classnetwork.odg

  File -> Export as PDF -> Save button

  Then perform at the Terminal:

  acroread classnetwork.pdf
  evince classnetwork.pdf

  it looks the same in both evince and acroread.

  4) What happens instead is acroread displays erroneous pixel-sized
  dots, while evince does not.

  Unconfirmed OOo WORKAROUND: The upstream version does _not_ produce
  these effects and is fine.

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