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IDProjectCategoryView StatusDate SubmittedLast Update
0001163graphvizFdppublic2006-08-02 07:442011-04-28 04:03
ReporterJean-Daniel Fekete 
Assigned Toerg 
PrioritynormalSeveritymajorReproducibilityalways
StatusclosedResolutionfixed 
PlatformOSx86-Windows-OS Version
Summary0001163: Quicktime breaks FDP
Description



(As told to Stephen North)
When QuickTime is on my PATH, fdp is broken.
More specifically, when the directory C:\\Program Files\\QuickTime\\QTSystem\\ is on the path, it breaks fdp.



\<A HREF=b989a.png\>Here\</A\> is the preferred layout.
Additional Information

Here's a directory listing. Wonder if GD picks up a weird shared lib?
<CD>
total 36628
-rwxrwx---+ 1 Administrateurs SYSTEM 377040 Dec 21 2005 CFCharacterSetBitmaps.bitmap
-rwxrwx---+ 1 Administrateurs SYSTEM 21784 Dec 21 2005 CFUniCharPropertyDatabase.data
-rwxrwx---+ 1 Administrateurs SYSTEM 84868 Dec 21 2005 CFUnicodeData-B.mapping
-rwxrwx---+ 1 Administrateurs SYSTEM 84868 Dec 21 2005 CFUnicodeData-L.mapping
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 CoreVideo.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 237568 May 4 17:36 CoreVideo.qtx
-rwxrwx---+ 1 Administrateurs SYSTEM 747008 Mar 23 2000 Indeo4.qtx
-rwxrwx---+ 1 Administrateurs SYSTEM 120320 Dec 6 2000 Ir41_qc.dll
-rwxrwx---+ 1 Administrateurs SYSTEM 338432 Dec 6 2000 Ir41_qcx.dll
-rwxrwx---+ 1 Administrateurs SYSTEM 176128 May 4 19:05 QTJava.dll
-rwxrwx---+ 1 Administrateurs SYSTEM 1179993 Oct 19 2005 QTJava.zip
-rwxrwx---+ 1 Administrateurs SYSTEM 446464 May 4 19:05 QTJavaNative.dll
-rwxrwx---+ 1 Administrateurs SYSTEM 307200 May 4 16:33 QTMLClient.dll
-rwxrwx---+ 1 Administrateurs SYSTEM 626688 May 4 19:05 QTPluginInstaller.exe
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTime.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 1064960 May 4 19:05 QuickTime.cpl
-rwxrwx---+ 1 Administrateurs SYSTEM 14860800 May 5 09:58 QuickTime.qts
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTime3GPP.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 331776 May 4 17:36 QuickTime3GPP.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTime3GPPAuthoring.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 450560 May 4 17:36 QuickTime3GPPAuthoring.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeAudioSupport.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 1495040 May 4 17:36 QuickTimeAudioSupport.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeAuthoring.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 1900544 May 4 17:36 QuickTimeAuthoring.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeCapture.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 315392 May 4 17:36 QuickTimeCapture.qtx
-rwxrwx---+ 1 Administrateurs SYSTEM 81920 May 4 19:04 QuickTimeCheck.ocx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeEffects.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 548864 May 4 17:36 QuickTimeEffects.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeEssentials.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 479232 May 4 17:36 QuickTimeEssentials.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeH264.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 2347008 May 4 17:36 QuickTimeH264.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeImage.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 942080 May 4 17:36 QuickTimeImage.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeInternetExtras.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 888832 May 4 17:36 QuickTimeInternetExtras.qtx
-rwxrwx---+ 1 Administrateurs SYSTEM 4608 May 4 17:36 QuickTimeJavaExtras.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeMPEG.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 434176 May 4 17:36 QuickTimeMPEG.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeMPEG4.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 307200 May 4 17:36 QuickTimeMPEG4.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeMPEG4Authoring.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 528384 May 4 17:36 QuickTimeMPEG4Authoring.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeMusic.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 561152 May 4 17:36 QuickTimeMusic.qtx
-rwxrwx---+ 1 Administrateurs SYSTEM 2000384 May 4 17:36 QuickTimeMusicalInstruments.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeQD3D.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 200704 May 4 17:36 QuickTimeQD3D.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeStreaming.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 827392 May 4 17:36 QuickTimeStreaming.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeStreamingAuthoring.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 335872 May 4 17:36 QuickTimeStreamingAuthoring.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeStreamingExtras.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 131072 May 4 17:36 QuickTimeStreamingExtras.qtx
-rwxrwx---+ 1 Administrateurs SYSTEM 77824 May 4 17:30 QuickTimeUpdateHelper.exe
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeVR.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 757760 May 4 17:36 QuickTimeVR.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeVRAuthoring.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 614400 May 4 17:36 QuickTimeVRAuthoring.qtx
drwxrwx---+ 16 Administrateurs SYSTEM 0 Jul 21 09:17 QuickTimeWebHelper.Resources
-rwxrwx---+ 1 Administrateurs SYSTEM 241664 May 4 17:36 QuickTimeWebHelper.qtx
</CD>
<additional_information><![CDATA[

[ellson] How is it broken? I get the same output here from "fdp -Tpng debug.out"

I don't know how quicktime could affect fdp. I don't see anything in the listing that would conflict.

Does windows have tools like "which" and "ldd" to help you check what executables and dlls
are being used?

[erg] Also, the graphviz tools are statically linked on Windows (except the
the Win32 libraries).

[erg] Based on the two png files, by "broken", I assume you mean that one layout does not distribute the
nodes as uniformly as the other one. As John noted, we get the same "bad" layout when we run fdp
on your graph. The default parameters and several other things were changed in the 2.8 version of fdp.
Earlier versions produce the better layout. What I'm guessing is that QuickTime is not the culprit per se,
but that in changing your path to include QuickTime, you are picking up the new version of fdp. Without
the path change, you are getting the older version.

Try running fdp -V with the two different PATH settings and see if the versions are different.

The new layout is not incorrect. fdp removes node overlaps by default. It attempts to do this as part of
node placement. If the fails, it invokes a post-processing step to remove the overlaps. In general, how
to do this latter step is still an open research problem. The earlier version of fdp is able to layout
the graph without needing this step and gives you what you want. The new version, with the changed parameters,
needs the post-processing.

As a workaround, you can adjust the initial spring constant K (e.g., -GK=0.5), or the overlap value, either
having fdp work harder to remove overlaps before post-processing (-Goverlap=12: ) or use a different type
of post-processing (-Goverlap=9:scale).

In general, fdp is more of an experimental program. There is still a lot of tuning that needs to be done.
Unless you need some of its particular special features, we usually recommend neato for this type of layout.
TagsNo tags attached.
AUXILLARY-FILEShttp://www.graphviz.org/bugs/b989a.png [^]
DATE-FIXED
FIX-COMMENT
FORMER-ID989
INPUT-FILEhttp://www.graphviz.org/bugs/b989.dot [^]
OUTPUT-FILEhttp://www.graphviz.org/bugs/b989.png [^]
STATUS-COMMENTFixed
VERSION     2.8
Attached Files

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- Issue History
Date Modified Username Field Change
2011-04-28 04:03 user1 New Issue
2011-04-28 04:03 user1 Assigned To => erg


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