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Preview Screen is not responsive in Gephi 0.9.1 #1505

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goodgogol opened this issue Jun 1, 2016 · 17 comments
Closed

Preview Screen is not responsive in Gephi 0.9.1 #1505

goodgogol opened this issue Jun 1, 2016 · 17 comments
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@goodgogol
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Hi,

I am pretty new to gephi and using it to generate network graphs. While the graphs are being generated properly and can be seen in the overview tab, the preview screen remains empty and just shows a black screen. The export options are also failing ,possibly due to this(pdf /svg /Loxa Web Site export all shows a black screen and no graph).
Also i can't spot the partition and ranking options, just the layout and appearance panels are available.Maybe I'm missing something?
Would really appreciate any help in resolving these issues.

@eduramiba
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Hi, partition and ranking are now appearance.
About preview, is there any exception in your messages.log file?

Check https://github.com/gephi/gephi/wiki/Troubleshooting to find user directory

@goodgogol
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Hi,
Thanks a lot! Downloaded and reinstalled 0.91 and now the previews are working fine and so is the export.
However, still can't find partition and ranking options!

@eduramiba
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Hi,
Well appeareance is mostly the same, but the UI has changed slightly (check the icons at the top-right corner and specially the bottom-left icon which allows to switch between ranking and partition).

Also please note that there is a known bug: #1459

@eduramiba eduramiba self-assigned this Jun 2, 2016
@goodgogol
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Thanks a ton !Got the ranking ans size options now and they are working fine.
Can you please let me know if this is the case with the OS X release as well?

@eduramiba
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Yeah it's the same

@darcyof
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darcyof commented Jun 22, 2016

Hi, I am also having a problem with the Preview screen. I am able to make graphs in the overview but am getting only a grey screen on the preview tab. There is not refresh button (or any other button).

any help will be much appreciated.

Thanks!

Nevermind...for those with the same problem click Window>Preview Settings and then hit the refresh button.

@saturnjiang
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Hi I am using Gephi0.9.1. when I import the csv data into the datalaboratary table, but I cannot see the graph in the Preview. The screen is black, after I zoom in or out, the graph can be shown shortly with nodes only, then the screen returnd to black. But when I import the data of examples, the preview is normal.
black screen
black screen2

@eduramiba
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HI @saturnjiang Your graph probably has a node with a huge size (much larger than other nodes) or maybe an edge with a huge weight.

@kcurrier
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kcurrier commented Apr 20, 2017

Greetings--I'm having trouble with the Preview window after saving and re-opening a file. When I begin a new project, import data, and configure the Appearance, Layout and Preview settings, the preview works as expected. However, if I save and close the project, then re-open it, the Preview window no longer works (i.e. when I click Refresh I see what appears to be "Loading" flash on the screen for a few milliseconds and then get a blank Preview window.

This doesn't happen with the "Les Miserables.gexf" sample file. If I open this file, re-save it with a different name, then open that file, the preview works fine.

In the log it looks like there is a "Premature end of file" exception that I think is generated when Gephi is started. See attached messages.log file.

On a possibly related side note, when I try to save a new preset in the Preview Settings window I can never find it again after closing and opening Gephi. It's no longer one of the dropdown menu options.

I'd appreciate any suggestions. Thanks.

Update: I should have mentioned before that I saved my file with edges hidden in the preview. I just discovered that if I open my .gephi file and in the Preview window toggle the option to show edges BEFORE hitting "Refresh", the Preview window works as expected. HOWEVER, if I open the file and hit "Refresh" without toggling the show edges option, then later toggle that option, and hit "Refresh" again, the Preview window still doesn't work. I have to remember to toggle the show edges option BEFORE hitting "Refresh". Seems like a bug, but at least now I've got a workaround.

messages.txt

@eduramiba
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@kcurrier Does it work with 0.9.2 snapshot?

@kcurrier
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@eduramiba The same is happening with 0.9.2 snapshot, i.e. when I open my saved .gephi file and in the Preview window hit "Refresh" without first toggling the option to show edges, the preview window remains blank. However, the same workaround still works--I just have to remember to check the show edges option before hitting "Refresh", and I can see the graph. Then I can uncheck the show edges option, hit "Refresh" again, and it displays as expected, i.e. edges hidden.

@athmig
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athmig commented Jul 12, 2018

No preview with todays snapshot: gephi-0.9.3-20180706.210318-103-linux. Refresh doesn't help neither toggling the option to show edges. I can see the graph only by exporting it.
screenshot_20180712_151811

@DanyEle
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DanyEle commented Aug 2, 2018

I'm having the same issue here in Gephi 0.9.2, with the graph not showing up in the Preview windows. Any solution? I can only see the graph by exporting it.

@ramadap
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ramadap commented Sep 7, 2018

same here...

@ramadap
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ramadap commented Sep 7, 2018

This #1478 (comment) solves the problem. But is it supposed to work like that? weird...

@Uzgraph
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Uzgraph commented Aug 3, 2019

I'm having the same issue here in Gephi 0.9.2, with the graph not showing up in the Preview windows.
Refresh button in the left low window corner doesn't help ... but only in the new unsaved project ...
So to fix this I need 3 steps:

  1. Save project;
  2. Restart Gephi and open the file with project!
  3. Press the Refresh button in the left low window corner.

@mbastian
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Closing this issue. Let us know if this is still happening with the latest version. We made some reliability improvements on this module since this was opened.

@mbastian mbastian closed this as not planned Won't fix, can't repro, duplicate, stale Sep 19, 2022
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