McIDAS-XCD Administrator's Guide
Version 2021.1

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Configuring Data Communications

The method you use for configuring McIDAS-XCD communications depends on the source of your data. If you use the NOAAPORT Receive System, the LDM is your data source and you must complete the instructions below.

  1. From a McIDAS-X session running under the oper account, run the batch file NOAAPORT.BAT to configure WMO header routings for the NTXT circuit.

    2. Type: BATCH NOAAPORT.BAT

  2. Deactivate the text and binary circuits. This is necessary because the LDM will feed data directly into McIDAS-XCD's text and binary ingestors.

    3. Type: CIRCUIT SET NTXT INACTIVE

    Type: CIRCUIT SET NBIN INACTIVE

  3. Edit the configuration files NTXT.CFG and NBIN.CFG in the ~oper/mcidas/data directory. In each file, if it's not already done, comment out the FILE=, PERM=, HOST=, and HOST_PORT= lines and add the following line.

    4. FILE=STDIN

  4. The lines in your /home/ldm/etc/pqact.conf file for DDS, PPS, IDS, HRS, NNEXRAD, etc., should be piped to either /home/oper/mcidas/bin/ingebin.k or /home/oper/mcidas/bin/ingetext.k, as shown in the example below (use tabs, not spaces, to separate items within the lines).

    5. PPS|DDS|IDS  ^.*  PIPE  /home/oper/mcidas/bin/ingetext.k  NTXT
HDS|NNEXRAD  ^.*  PIPE  /home/oper/mcidas/bin/ingebin.k   NBIN
NGRID        ^.*  PIPE  /home/oper/mcidas/bin/ingebin.k   NBIN

    Note: The LDM must be started/stopped from the oper account. Therefore the ~ldm/data directory and the ~ldm/data/ldm.pq file must be writable by user oper.

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