[foxboro] Object visibility with environment
- From: <IQUEIROLOO@xxxxxxxxxxxxx>
- To: <foxboro@xxxxxxxxxxxxx>
- Date: Tue, 8 Aug 2006 07:53:33 -0300
Hi list,
I need to drive the visibility property of an object with the environment that
I am using on a DM. What I did was create shared variables with the "omcrt"
command to tie the visibility. The names of the variables are coincident with
the DM names in the station. The following steps are what I did:
1) I checked the space variables with the "show_params" command to know if I
have limitations to create shared variables.
2) I wrote a script to create the variables. The script looks like:
-------------------------------------------------------------------------------------------------------------------------------
#!/bin/sh
# @(#)go_OMCREATE 0.1 04/07/06
#
# Document the script here.
#************************************************************
# Setup necessary shell variables
OMTOOLS=/opt/fox/bin/tools
DMCFG=/usr/fox/customer/hi/dmcfg
LOCALHOST=`uname -n`
#************************************************************
# Put all operating command here
DMNAMES=`cat $DMCFG | grep -w "NAME" | awk '$2 ~ /'"$LOCALHOST"'/ {print $3}'`
for DM in $DMNAMES
do
$OMTOOLS/omcrt -i $DM >/dev/null 2>&1
done
-------------------------------------------------------------------------------------------------------------------------------
This script can be run from the user_apps.dat to create the variables at the
start up. Each box in the system will have one variable for each DM name. The
type of the variables is integer.
3) I added a line to each file environment to set the value of the variables
with the "omset" command each time I change the environment. The files are the
Operator_env and Engineer_env:
:::::::::::::::::::
Operator_env
:::::::::::::::::::
...
dmcmd run /opt/tools/scripts/setvis 0 $DMNAME (this is the last line)
:::::::::::::::::::
Engineer_env
:::::::::::::::::::
...
dmcmd run /opt/tools/scripts/setvis 1 $DMNAME (this is the last line)
The setvis script looks like:
-------------------------------------------------------------------------------------------------------------------------------
#!/bin/sh
# @(#)setvis 0.1 04/07/06
#
# Document the script here.
# Setup necessary shell variables
OMTOOLS=/opt/fox/bin/tools
# Put all operating command here
$OMTOOLS/omset -i $1 $2
-------------------------------------------------------------------------------------------------------------------------------
4) Finally, I configured the display file to drive the object visibility with
these variables. The configuration involves:
In the line where you put the variables which is the path, I wrote $DMNAME.
Lowest State: 0
Number of a States: 2
State : Invis 0 Vis 1
0 0
1 1
I would like to hear your comment about this. May be there is a better solution
or the steps above have something that could be a problem with other things in
the system. I have been using this for about three weeks and I haven't found
problems.
Thanks in advance for the comments you can send me.
Ignacio Queirolo Olivera
Control Avanzado
Complejo Industrial Ensenada
Repsol YPF - Química
Tel.: 54 221 429-8400 ext. 26481
Fax: 54 221 429-8400 ext. 26209
iqueiroloo@xxxxxxxxxxxxx <mailto:iqueiroloo@xxxxxxxxxxxxx>
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