[daip] Installing AIPS on Mac Intel laptop

[Nazirah JETHA]

Fantastic!  That's worked now.  I guess it must have been a problem  
with the original installation.  Thank you so much for all your help.

Naz
Le 7 août 07 à 17:44, Eric Greisen a écrit :

> Nazirah JETHA writes:
>> I've just done this,  and this time the XAS* files did arrive with an
>> execute permission.
>>
>> XASERVERS: Start XAS on localhost, DISPLAY :0
>> XAS: ** TrueColor FOUND!!!
>> XAS: ***  Using shared memory option for speed ***
>> XAS: Using screen width height 3350 1100, max grey level 255
>> Shared memory id failure: Invalid argument
>
> Great progress!  This is now easy.  From our aips manager FAQ page:
>
> If you see this on a Mac, congratulations; you have one of the larger
> display screens. The default Mac system limits shared memory pages to
> 4 Mbytes. When XAS starts it tells you that it is making a screen x
> pixels by y pixels. The memory you will need is at least  4 x y
> bytes. For the new large screens this is more than 8 Mbytes. On 10.3
> and 10.4 systems, you can change this limit by changing (as root or
> admin) the rc file in /etc, adjusting the kern.sysv.shm* line to
>
>          #Setting the shared memory to something a bit more  
> reasonable.
>             sysctl -w kern.sysv.shmmax=10485760
>             sysctl -w kern.sysv.shmmin=1
>             sysctl -w kern.sysv.shmmni=32
>             sysctl -w kern.sysv.shmseg=8
>             sysctl -w kern.sysv.shmall=4096
>
>
> If you are really lucky and have a 30-inch screen (2550 by 1500
> pixels) then you will have to make the shmmax line even larger
>
>             sysctl -w kern.sysv.shmmax=16777216
>
> -
>
> Note that you have 3350 by 1150 so the above 16 Mby number should
> work.  If not try 20 Mby  (20971520) and be sure to change the shmall
> to 4096.
>
> Eric Greisen