Thanks for your response Chris.

I should clarify my situation a bit by stating that I'm not trying to run
coot in stereo, I'm just trying to get Coot to run at all. The error that I
get when starting coot prevents me from doing anything. The odd thing is
that this error resembles the one you got, Chris, when you attempted to run
stereo. Unless I unknowingly set coot to always run in stereo, I'm thinking
this problem is connected to coot starting up and possibly my installed gtk
packages.

In either case, Chris, I typed that suggestion in both an xterm and in the
terminal but the problem still persisted. Thanks for trying though.

Bill, I complied coot myself using fink.

In case I once complied something wrong, I've tried recompiling coot and
gtk+2, gtk+2-dev, gtk+2-shlib, gtk-canvas-dev, and gtkglarea. That didn't
make any difference either.

-Ed Miller

On 12/4/06, Chris Kimberlin < [EMAIL PROTECTED]> wrote:

Edward,
I found the fix for the error message the coot prints out and why coot
won't run in stereo even after updating x11.  It turns out that you have to
specifically tell x11 to use stereo visualization.  After updating to x11
version 1.1.3 you need to type:

$ defaults write com.apple.x11 enable_stereo -bool true

(with $ being the prompt)

This will allow x11 to use stereo mode and coot should be able to switch
to stereo mode after this.  Hope this helps.

-Chris


On Dec 2, 2006, at 1:52 PM, Edward Miller wrote:

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Hi everyone,

I'm having an error similar to Chris Kimberlin but I have not enabled
stereo in coot nor do I get in my error message "WARNING:: switch to
hardware_stereo_mode failed" like Chris does.

This is the exact error message coot prints to my terminal:

Gtk-WARNING **: invalid cast from (NULL) pointer to `GtkWidget'
CATASTROPHIC ERROR:: in gl_extras  no GtkGL widget!
CATASTROPHIC ERROR:: failed to create Gtk GL widget

The coot startup screen displays, disappears as normal, the tips
screen then pops up but the main window does not. I'm left unable to
quit coot without forcing it to close.

I installed coot 0.1.3-pre-1-138 using fink. I'm running X11 1.1.3 and
Mac OS X 10.4.8.

Curiously enough, I can run coot fine if I remotely log into my
computer via ssh -X and display coot using X11 Forwarding.

Does anyone have an idea how I could get coot running locally again?

On 11/3/06, Paul Emsley < [EMAIL PROTECTED]> wrote:

On Thu, 2006-11-02 at 13:12 +0100, Luca Jovine wrote:
> ***  For details on how to be removed from this list visit the   ***
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>
> Yes, I just tried it and it works very well!

Good stuff.

> But for some reason, if
> I switch on the stereo when I am displaying a map with antialias on,
> both the map (but not the model) and antialias get switched off.
> However, if I then manually turn on antialias again and re-select the
> map in the display manager, then I am able to display the antialiased
> map in stereo.

For the record, I think (something like) this has been reported before.
I have not yet tried to reproduce it.

It currently seems to me like a server/driver/hardware error, but maybe
not.

Paul.






 Chris Kimberlin
Graduate Student
Saphire Lab
TSRI
IMM-212
858-784-7976
[EMAIL PROTECTED]




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