[daip] AIPS TV issue

[Eric Greisen]

Colin Lonsdale writes:
 > Hi Eric,
 > 
 > I wonder if I could get your advice on a TV issue I ran into on my  
 > Macbook Pro.  When I first installed AIPS I got an error message  
 > about shared memory, dug around in the AIPS documentation, edited a  
 > Mac system file, and fixed the problem.
 > 
 > But when I plug the computer into a secondary screen and create a  
 > dual-monitor setup, the system reports an improbably large total  
 > screen size and the shared memory error reappears.  Of course I don't  
 > want a TV that big.  I am also wary about increasing the shared  
 > memory allocation in the system without limit - what happens when I  
 > get that 4 megapixel 30-inch display I have been lusting after, for  
 > example!
 > 
 > So, is there anything in AIPS that can be used to override the  
 > automatic detection of the screen size, and set it to some reasonable  
 > value like 1280x1024?  Any other suggestions?
 > 
 > Here is the error message I receive:
 > 
 > XAS: ** TrueColor FOUND!!!
 > XAS: ***  Using shared memory option for speed ***
 > XAS: Using screen width height 1590 2000, max grey level 255
 > Shared memory id failure: Invalid argument
 > 
 > Thanks,
 > 
 > - Colin

The .Xdefaults file may be used to control lots of things including 

AIPStv*xPixels:       1270
AIPStv*yPixels:        924

See HELP XAS.

Eric Greisen