[GRASS5] pre2 nviz & darwin -- part ii

andy agena andya at mac.com
Sat Oct 27 09:45:28 EDT 2001

hi bob:

On Friday, October 26, 2001, at 07:27 PM, Bob Covill wrote:
> andy agena wrote:
>> hi helena:
>> nviz -q (with or without tcltkgrass running) very briefly flashes the
>> "wait_ok" and nviz boxes, then gives the '"wait_ok" already exists in
>> parent' error in the xterm.  the nviz i/o box doesn't appear.
>> using the tcltkgrass menu for nviz pops up three windows (wait_ok, nviz
>> i/o, and  nviz), nviz i/o says:  'loading data,' 'update elev null
>> mask,' 'loading data,' 'translating colors,' then ends with 'sorry,
>> <el=> is ambiguous' (this "el=" is passed from the command line box in
>> the nviz dialog and i can't edit it).
>> take care,
>> andy
>> p.s. please cc me as well, as i'm a digest lister.  thanks.
> Andy,
> This sounds like a very unusual error. If I understand correctly, you
> cannot start nviz with the command "nviz -q".  You get the "already
> exists ..." error you mention above. That error sounds like TCL cannot
> address the window ID correctly.
> Are you running the session remotely
> (telnet, etc)? Also, you may want to check and see if there are any
> stale nviz's running. You can check this with something like "ps -aef |
> grep NVWISH2.2".

> If you have access to the program files you can edit the nviz tcltkgrass
> startup module to change the "el=" option you mention above. The file to
> edit is in $GISBASE/tcltkgrass/module and is entitled nviz. Simply
> change the option "el" to any other legal value (anything from "e" to
> "elevation"). You could also try these variations on the command line to
> see what is going on.
> Hope this helps.
> --
> Bob Covill
> Tekmap Consulting
> E-Mail: bcovill at tekmap.ns.ca

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