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Maureen, You should find the ntl program in the $GEMEXE directory with all of the other GUIS (garp. nsat, nwx etc.). I can provide a solaris binary- but need to clear out some work I have in progress presently. Steve Chiswell Unidata User Support >From: Maureen Ballard <address@hidden> >Organization: UK Ag Weather Center >Keywords: 199902182210.PAA18226 >Steve, > >Thanks for the information - I have suspected for a while that since we run th > ings from >the cron, they are stepping on one another - just didn't know how to fix it. I > 'll speak >with our computer programmer in the morning about semaphores since I know noth > ing about >them - hopefully he will! > >About the ntl thing though. I tried launching it but it wasn't in the director > y I was in. >Where would the executable be? I am having problems locating it. Thanks for th > e help. > >By the way, our programmer, Gary Howe, had written a couple weeks back asking > if you >would once again post the gempak binary. Just wondering what the status of tha > t is. > >Thanks! > >Maureen > >Unidata Support wrote: > >> Maureen, >> >> If you are drawing your images to the console, its probably a good idea >> to launch ntl once on the console, and leave it running. This should really >> help with color map problems since all gempak programs will share the same >> colormap that ntl has allocated. >> >> The other alternative to draving maps on the console is to create a virtual >> screen using the X11R6 program Xvfb (virtual frame buffer), however, if you >> don't have that program, keeping ntl on your desktop is probably the best th > ing. >> >> The most frequent problems with hung gempak programs is having conflicts wit > h >> obtaining the message queues. If you find that your programs have gotten >> hung up, check for old copies of gplt as well as device drivers (gf/xw etc) >> in your process tables. After killing those programs, you will generally hav > e to >> clear out the message queues (using ipcs to list the queues, and ipcrm to >> remove them). Usually a program gets hung when either it can't connect to >> the console for some reason, or there is not enough memory to fire up the >> gplt program, or several gempak program have a contention for the same >> message quueue (possible if 2 crons start up at nearly the same time >> since the both check to see if a queue is used, and both try to >> start gplt with the same queue id). >> >> If you have crons that tend to launch gempak programs while others are still > running, >> you may want to arrange a semaphore system in your scripts to prevent them f > rom >> stepping on each other. I use semaphores with the automatic generation of NI > DS images >> I have here running from the LDM, since when the LDM first starts up, there > is >> a tendency to get a bunch of backlogged images all at once which can lead >> to race conditions for lots of programs being fired up. >> >> Steve Chiswell >> Unidata User Support >> >> >From: Maureen Ballard <address@hidden> >> >Organization: UK Ag Weather Center >> >Keywords: 199902182100.OAA16345 >> >> >Steve, >> > >> >Thanks for the info on the changes to gpfront - I will do that in just a mi > nut >> > e. >> > >> >> The topo images can be displayed an any mapping programs so long as >> >> proj=sat. Eg, the topo images are AREA files just like the McIDAS >> >> satellite images. Since they are the same as satellite images, they >> >> require the same number of colors as a GOES-10 image would- 128 colors. >> >> Define the topo file with satfil=... and set clear=y to display the >> >> image with the fronts/contours etc overlayed. >> >> >> >> If you are having trouble with color allocation, launch ntl first >> >> if you don't already have that running. Ntl will either allocate all the > col >> > ors >> >> you will need, or tell you howmany you need. If you don't have enough >> >> colors, try launching ntl with the -s option to reduce the number of >> >> satellite colors- for instance, ntl -s 96 or ntl -s 64. >> >> >> > >> >Okay, now here's a question for you. We run all of our maps through crontab > en >> > tries >> >and I have never used ntl. Should I have the crontab launch ntl at the star > t o >> > f >> >each map or should we launch ntl once and leave it running? >> > >> >Thanks... >> >Maureen >> > >> >> Steve Chiswell >> >> >> >> >From: Maureen Ballard <address@hidden> >> >> >Organization: UK Ag Weather Center >> >> >Keywords: 199902182012.NAA15031 >> >> >> >> >Steve, >> >> > >> >> >I saw the messages posted about the weird looking warm fronts - we were >> >> >beginning to wonder! Hope NCEP gets that all straightened out soon! >> >> > >> >> >Any way, I was wondering if the fronts can be placed on a topo map. I >> >> >tried a couple times and got various errors (partially because there >> >> >were problems allocating colors). I did a reboot of the system since I >> >> >couldn't figure out what processes had hung (seem to have that problem >> >> >quite a bit here) and then tried but still can't get it to work. For >> >> >that matter I can't seem to get it to work with gdcntr either. Since the >> >> >topo maps are so colorful, are they a resource hog when it come to color >> >> >allocation? >> >> > >> >> >Any help would be greatly appreciated. >> >> > >> >> >Thanks! >> >> > >> >> >Maureen >> >> > >> >> >-- >> >> >======================================================================== >> >> > >> >> >Maureen Moore Ballard address@hidden >> >> >Staff Meteorologist ph: 606-257-3000ext244 >> >> >Ag. Weather Center fax: 606-257-5671 >> >> >243 Ag. Engineering Bldg >> >> >Dept. of Biosystems and Ag. Engr. >> >> >University of Kentucky >> >> >Lexington, KY 40546-0276 >> >> >HOMEPAGE http://wwwagwx.ca.uky.edu >> >> > >> >> >You don't stop laughing because you grow old; >> >> >you grow old because you stop laughing. >> >> >======================================================================== > = >> >> > >> >> > >> >> > >> >> >> >> ************************************************************************* > *** >> >> Unidata User Support UCAR Unidata Prog > ram >> >> (303)497-8644 P.O. Box 3 > 000 >> >> address@hidden Boulder, CO 80 > 307 >> >> ------------------------------------------------------------------------- > --- >> >> Unidata WWW Service http://www.unidata.ucar.edu/ >> >> ************************************************************************* > *** >> > >> > >> > >> >-- >> >======================================================================== >> >Maureen Moore Ballard address@hidden >> >Staff Meteorologist ph: 606-257-3000ext244 >> >Ag. Weather Center fax: 606-257-5671 >> >243 Ag. Engineering Bldg >> >Dept. of Biosystems and Ag. Engr. >> >University of Kentucky >> >Lexington, KY 40546-0276 >> >HOMEPAGE http://wwwagwx.ca.uky.edu >> > >> >You don't stop laughing because you grow old; >> >you grow old because you stop laughing. >> >========================================================================= >> > >> > >> >> **************************************************************************** >> Unidata User Support UCAR Unidata Program >> (303)497-8644 P.O. Box 3000 >> address@hidden Boulder, CO 80307 >> ---------------------------------------------------------------------------- >> Unidata WWW Service http://www.unidata.ucar.edu/ >> **************************************************************************** > > > >-- >======================================================================== >Maureen Moore Ballard address@hidden >Staff Meteorologist ph: 606-257-3000ext244 >Ag. Weather Center fax: 606-257-5671 >243 Ag. Engineering Bldg >Dept. of Biosystems and Ag. Engr. >University of Kentucky >Lexington, KY 40546-0276 >HOMEPAGE http://wwwagwx.ca.uky.edu > >You don't stop laughing because you grow old; >you grow old because you stop laughing. >========================================================================= > >