19990826: NCLRAL - color allocation/radar imagery

Chris,

Apparently your system administrator reconfigured your X server for a default
visual to be TrueColor. Your xdpyinfo shows that the default visual is 0x28 and
thie corresponds to:
  visual:
    visual id:    0x28
    class:    TrueColor
    depth:    24 planes
    available colormap entries:    256 per subfield
    red, green, blue masks:    0xff, 0xff00, 0xff0000
    significant bits in color specification:    8 bits


The default visual must be an 8 bit pseudocolor display for
Gempak. Rebooting your computer cuased this change for the
X server to take effect.

The NIDS and NOWRAD data available through WSI is through
direct connection from them for a fee- unlike the ACARS
stream, the NIDS data is not free.

ldmConnect is a Perl script. The first line of the script is the path
to Perl on your system. Since the ldmadmin script uses Perl also, this 
should be available on the system- so check the path to make sure it
is correct for the decoder. The pqact.conf syntax looks correct,
but check your ldmd.log file on start up of the ldm for any messages from
pqact about the pqact.conf file- check for tabs in the appropriate
location- pqact would probably die if this were the case.

Steve Chiswell
Unidata User Support



>From: Chris Hennon <address@hidden>
>Organization: .
>Keywords: 199908261902.NAA28251

>  This message is in MIME format.  The first part should be readable text,
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>---559023410-1804928587-935694142=:26427
>Content-Type: TEXT/PLAIN; charset=US-ASCII
>
>Steve -
>
>I have a couple of things today.
>
>1)  We had been running ntl, nsat, garp, etc... normally for a week now.
>They fired up fine with netscape running, never had any trouble getting
>colors.  All of a sudden, today I'm getting the infamous "[GEMPLT -46]
>NCLRAL - Can not allocate read/write colors" error.  The only thing I have
>done since the software ran fine yesterday was configuring LDM to start up
>at boot time - this involved numerous reboots of the system.  My sysadmin
>told me a while ago that he reconfigured the colors on our system, but
>left out details and is now on vacation.  We are running SunOS 5.7.  Would
>a reboot of the machine reset the color configuration?  I ran "xdpyinfo"
>and attached the output.  When I tried to run "ntl", I got the following
>output:
>
>graphic, satellite, radar -- 33 128 16
>         Request total # of colors = 177
>X Error of failed request:  BadValue (integer parameter out of range for
>operation)
>  Major opcode of failed request:  86 (X_AllocColorCells)
>  Value in failed request:  0x0
>  Serial number of failed request:  312
>  Current serial number in output stream:  312
>
>Any ideas?
>
>2)  Does the WSI nexrad and nids come across the LDM wire, or is that
>another situation where a password is needed to access?  We aren't
>receiving any at the moment.  
>
>3)  For some reason, we are not processing any zone forecasts even though
>I know my upstream site is receiving them.  The pqact.conf entry:
>
>WMO     ^FPUS5[1-6] .... ([0-3][0-9])([0-2][0-9])
>        PIPE    /usr/local/ldm/decoders/ldmConnect -e .zone
>        (\1:yy)(\1:mm) data/nwx/pubprod/zone
>
>is being used to process.  The ldmConnect script is in place and is
>executable.  The output directory exists and is writable.  I believe the
syntax of the entry above is correct.  We are receiving most other text
>products.  Any ideas? 
>
>Thanks.
>
>Chris
>
>  
>
>
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