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Ctrl+key just stops screensaver

Questions and Answers : Windows : Ctrl+key just stops screensaver
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old_user87130

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Message 30085 - Posted: 19 Aug 2007, 10:16:31 UTC

The text to the left of the planet model says I can press ctrl + a key to change the view. But as soon as I hit ctrl (or both together) the screensaver quits.
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Profile MikeMarsUK
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Message 30086 - Posted: 19 Aug 2007, 11:10:19 UTC


Only versions of the Boinc manager prior to (I think) V5.4 will pass through the CTRL+<key> to the screensaver. In the more recent versions the CTRL key will cause the screensaver to stop. You can however select \'show graphics\' and change the settings that way.

Incidentally since the screensaver takes CPU time away from the model, a lot of people disable it (set to \'blank\'), and use Show Graphics instead when they want to see how the model is doing.
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jpmcgee

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Message 33107 - Posted: 27 Mar 2008, 22:01:38 UTC

I\'m having the same problem. (Windows XP, SP2, BOINC Manager 5.10.45) (I was using 5.2.something, but upgraded a few minutes ago to see if that would fix the problem. It didn\'t.)

Symptoms:
1) Some (unknown, probably a few months ago), my screensaver quit showing any dynamic pictures. It shows the globe not moving with just the continent outlines.
2. Before that, it showed interesting stuff like clouds, and the globe rotated.
3. I selected the task, clicked on Show graphics, and pressed S and C to make it rotate and show clouds. Looks nice.
4. I close the graphics window and open it again. I\'m back to the non-rotating globe and just the continent outlines.
5. When I get into the screensaver mode, I see a non-rotating globe and just the continent outlines.
6. When I press CTRL or S, I get out of screensaver mode. (I understand that this is the expected behavior for recent versions. Version 5.2.whatever did the same thing.)

Anybody got any hint of other things to try?

Thanks,

Pat

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Les Bayliss
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Message 33109 - Posted: 27 Mar 2008, 22:29:23 UTC


If you want to \"permanently\' change the view, you have to do this in the climateprediction.net preferences on your Account page on the server.

Afterwards, you need to Exit from BOINC and restart it, as the BOINC manager only notices the changes on startup.


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jpmcgee

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Message 33111 - Posted: 27 Mar 2008, 23:19:27 UTC

Hi Les,
Thanks for the reply. I got it partly working but not completely.

In the process, I learned a few things:

1) When I update the Preferences on the web page, and then do \"Update\" instead of exiting and restarting BOINC manager, the Graphics Display from the manager gets the new preferences, but the screen saver doesn\'t. You told me I\'d need to restart, but the rollover on the Update button says that it will get the latest preferences. Also, when I clicked the \"update\" button on the web page, I get a red message saying \"Your preferences have been changed. Client-related preferences will take effect when your computer communicates with climateprediction.net or you issue the \"Update\" command from the BOINC client. So, I see a mismatch between the behavior I expect from reading the rollover and the web page, and what actually happens. I think this mismatch is a bug.

2) If I start from no browser windows open, click on \"Your account\" in BOINC Manager, then the \"Your Account\" in the left column of the web page, then click \"View or edit\" on the climatechange.net preferences line, I get a section that shows me what my preferences are. If I then click on \"Edit climateprediction.net preferences\", the dropdown lists for Scene and Rotation are reset back to Temperature and None, instead of what I set them to. (Presumably the other drop-downs will do the same thing, but I didn\'t test them.) I think this is a bug.

3) If I start with BOINC Mgr running, and update the preferences on the web page to show rotation, I can go back to BOINC Mgr, do \"Update\", and then when I do \"Show graphics\", I see the rotation. However, if I exit BM, change the web page, and then restart BM and do \"Show Graphics\", I don\'t see the rotation. In addition, I never see the rotation in the screen saver. I think this is a bug.

Anyway, I\'ve got clouds now, so I\'m happier. I\'d like to see rotation also, but as long as I\'ve got a prettier picture than just the continental outlines, it\'s nice.

Thanks,

Pat

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Les Bayliss
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Message 33112 - Posted: 27 Mar 2008, 23:43:31 UTC
Last modified: 27 Mar 2008, 23:48:19 UTC

Sorry, maybe it was \"re-boot the computer\" to get the new graphics. It\'s been so long since I did this that I forget.

Also,
1) is probably normal. BOINC, both server and client, is a complex thing.
Clicking Update is the \"normal\" way to go.
But it was found ages ago that in addition, either a restart of BOINC, or a reboot of the computer, (forget which), was needed to make the graphic changes \'stick\'.

2) The last item in the list is Use Defaults
This needs to be set to no if you want to use something different.

PS
Your last completed model shows that you\'re using BOINC version 5.2.13
Some of the pref settings only work for versions 5.8.* and newer.


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jpmcgee

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Message 33113 - Posted: 28 Mar 2008, 0:13:12 UTC

Hi Les,
Hmmmm. Well, the reboot did the trick. I now get rotation on both the \"Show graphics\" and the screensaver. Thanks, I would not have thought that a reboot would accomplish anything that exiting and restarting the program would not have.

I had seen the \"Use defaults\" and had made sure it was always \"No\". Thanks for checking, but I don\'t think it is relevant to this problem.

Earlier today as I was trying to figure this out, I upgraded to 5.10.45. That\'s probably too recent a change to show up in any results. I did make sure I was using the most recent version before I posted anything.

So, I\'m happy now. I still think there are several bugs that it would be nice if people addressed. In addition to the ones I mentioned earlier, I\'d add these:

1) Rebooting the computer makes things work that just exiting and restarting BOINC Mgr doesn\'t. In particular, correctly processing some but not all of the graphics preferences.

and, the one that started this thread several months ago:
2) It would be really nice if someone would change the message on the left of the planet model to remove references to the ctrl and keys to change the screensaver behavior.


For future reference, here are the steps I followed to get the screensaver preferences to work correctly:
1) From the \"Tasks\" or the \"Projects\" tab, click on the \"Your Account\" button.
2) From that web page, click on the \"Your account\" line in the left column.
3) In the Preferences section, click \"View or edit\" next to climageprediction.net preferences.
4) In the Graphics Preferences section, click on the \"Edit climateprediction.net preferences\" link.
5) Set the preferences you want. Make sure you look at all of them and not just the ones you want to change, as the web page will change some out from under you. Also make sure the \"Use Defaults\" is set to \"No\".
6) Click \"Update Preferences\"
7) Reboot each machine that BOINC is running climateprediction on.

(Tested with BOINC Manager 5.10.45, and with the web page on 27 March 2008. If using any other versions of either one, YMMV.)

Pat

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Questions and Answers : Windows : Ctrl+key just stops screensaver

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