[Chimera-users] File Operations *veery* slow on Win 7

Tom Goddard goddard at sonic.net
Fri Aug 9 22:23:02 PDT 2013


Hi Markus,

The problem with the Save dialogs seems likely to be because Chimera is trying to show its own custom file browser that shows the files in all directories from the root directory down to the directory its going to offer to put the new file in.  Probably one of those directories like the top level one has a disk mounted that is not responding, and Chimera hangs.  Eric Pettersen wrote this Save file dialog code and I think has encountered this before and may have advice for you.  I don't know much about Windows.  Do you have more than one disk drive on this computer?

The weird black screen when Chimera starts, I believe has something to do with the fact that Chimera needs a 3d OpenGL rendering context, and for some lame reason on Windows it has to switch the entire display mode being used on the desktop to provide that.  Again I know too little about Windows but Greg Couch in our lab could give you a detailed answer as to why that happens.

	Tom


On Aug 9, 2013, at 2:30 PM, Markus Heller wrote:

> Hi,
>  
> I’m running the latest release of Chimera (1.8 build 38824), but I’ve observed this with the 2 previous releases as well.  Computer is a core i7 with 32 GB RAM and an Nvidia Quadro FX 1700 with 512 MB DDR2 memory and latest driver.  OS is Windoze 7 64 bit.
>  
> Pretty much every time I click File à Save mol2 or Save pdb or Save Session As, I get the blue spinning wheel of death and (not responding) in the window title bar.  It’s not a deal breaker, but it’s pretty annoying.  Anybody else seeing this?
>  
> Also, when I start Chimera, the screen goes black for a second and all window title bars change to standard blue.  When I exit Chimera, the process reverses.  Are these observations related?
>  
> And how can I provide more information in addition to my vague description?
>  
> Thanks and Cheers
> Markus
>  
> --
> Markus Heller, Ph.D.
> NMR Scientist
> CDRD - The Centre for Drug Research and Development
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