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HMI Ring Diagrams
Pipeline Module Specifications
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gentargs
Module Version
0.8 10 III 2010
General Description
gentargs generates the lists of target latitude and longitude centers
and tracking ranges for a selected time for the synoptic pipeline.
Special flags generate lists needed for other pipelines,
in particular the MDI "dense-pack" and "structure-pack" grids.
The module output is in the form of lines of text sent to stdout
and expected to be parsed by a script.
Status
This version has been superseded by Version 0.9
Usage
gentargs [-flags] time= TargetTime
Flags
-d generate latitude and longitude targets for the MDI "dense-pack"
-M use SOHO ephemeris for B0 calculation or conversion of time parameter
in calendar-clock format to Carrington time
-s generate latitude and longitude targets for the MDI "structure-pack"
-v run verbose
Parameters
time The target time for the grid-point calculation. The time
can be specified in either calender-clock (YYYY.MM.DD_hh:mm:ss)
notation or in CR:CL (Carrington rotation plus central meridian
of epoch) form; the latter is recommended. The time will be rounded
to the nearest one appropriate for the grid spacings requested,
2.5 deg for the HMI synoptic set, 15 deg for the packs.
Default: current time minus 120 deg of Carrington rotation.
Sample output:
=> gentargs -s time= 1988:180
-45.0 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 +45.0 -45.0 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 +45.0 -45.0 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 +45.0
165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0
=> gentargs -d time= 1988:180
-22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 -45.0 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 +45.0 -52.5 -45.0 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 +45.0 +52.5 -52.5 -45.0 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 +45.0 +52.5 -52.5 -45.0 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 +45.0 +52.5 -52.5 -45.0 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 +45.0 +52.5 -52.5 -45.0 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 +45.0 +52.5 -52.5 -45.0 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 +45.0 +52.5 -52.5 -45.0 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 +45.0 +52.5 -45.0 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 +45.0 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 -37.5 -30.0 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 +30.0 +37.5 -22.5 -15.0 -07.5 +00.0 +07.5 +15.0 +22.5 -60.0 -60.0 -60.0 +60.0 +60.0 +60.0
127.5 127.5 127.5 127.5 127.5 127.5 127.5 135.0 135.0 135.0 135.0 135.0 135.0 135.0 135.0 135.0 135.0 135.0 142.5 142.5 142.5 142.5 142.5 142.5 142.5 142.5 142.5 142.5 142.5 150.0 150.0 150.0 150.0 150.0 150.0 150.0 150.0 150.0 150.0 150.0 150.0 150.0 157.5 157.5 157.5 157.5 157.5 157.5 157.5 157.5 157.5 157.5 157.5 157.5 157.5 157.5 157.5 165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 165.0 172.5 172.5 172.5 172.5 172.5 172.5 172.5 172.5 172.5 172.5 172.5 172.5 172.5 172.5 172.5 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 180.0 187.5 187.5 187.5 187.5 187.5 187.5 187.5 187.5 187.5 187.5 187.5 187.5 187.5 187.5 187.5 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 195.0 202.5 202.5 202.5 202.5 202.5 202.5 202.5 202.5 202.5 202.5 202.5 202.5 202.5 202.5 202.5 210.0 210.0 210.0 210.0 210.0 210.0 210.0 210.0 210.0 210.0 210.0 210.0 210.0 217.5 217.5 217.5 217.5 217.5 217.5 217.5 217.5 217.5 217.5 217.5 225.0 225.0 225.0 225.0 225.0 225.0 225.0 225.0 225.0 225.0 225.0 232.5 232.5 232.5 232.5 232.5 232.5 232.5 165.0 180.0 195.0 165.0 180.0 195.0
=> gentargs time= 1988:180
30 222.50 137.50 1
30 230.00 130.00 1
30 235.00 125.00 1
30 240.00 120.00 1 -67.5
30 242.50 117.50 1
30 245.00 115.00 3
15 215.00 145.00 1 +60.0
15 225.00 135.00 1 -75.0
15 227.50 132.50 1 +52.5
15 235.00 125.00 1 +45.0
15 240.00 120.00 2 -67.5 +37.5
15 245.00 115.00 1 +30.0
15 247.50 112.50 2 -60.0 +22.5
15 250.00 110.00 3 -52.5 +07.5 +15.0
15 252.50 107.50 6 -45.0 -37.5 -30.0 -15.0 -07.5 +00.0
15 255.00 105.00 1 -22.5
5 190.00 170.00 1 +70.0
5 207.50 152.50 1 +67.5
5 217.50 142.50 1 +65.0
5 225.00 135.00 2 -82.5 +62.5
5 227.50 132.50 1 +60.0
5 232.50 127.50 1 +57.5
5 235.00 125.00 1 +55.0
5 237.50 122.50 2 -80.0 +52.5
5 240.00 120.00 1 +50.0
5 242.50 117.50 1 +47.5
5 245.00 115.00 3 -77.5 +42.5 +45.0
5 247.50 112.50 3 -75.0 +37.5 +40.0
5 250.00 110.00 4 -72.5 +30.0 +32.5 +35.0
5 252.50 107.50 5 -70.0 +20.0 +22.5 +25.0 +27.5
5 255.00 105.00 7 -67.5 -65.0 +07.5 +10.0 +12.5 +15.0 +17.5
5 257.50 102.50 12 -62.5 -60.0 -57.5 -15.0 -12.5 -10.0 -07.5 -05.0 -02.5 +00.0 +02.5 +05.0
5 260.00 100.00 16 -55.0 -52.5 -50.0 -47.5 -45.0 -42.5 -40.0 -37.5 -35.0 -32.5 -30.0 -27.5 -25.0 -22.5 -20.0 -17.5
Bugs in current version
Invocation of the -M flag to use SOHO ephemerides requires the presence of
appropriate ephemeris tables at a fixed system disc location; if they are
not present, the earth ephemeris will be used. However, the ephemeris
information is only used for converting time parameter values in calendar-
clock format to CR:CL format, and for calculation of B0. The value of B0
only matters for the definition of the HMI synoptic pipeline set, not the
dense-pack and structure-pack sets appropriate for MDI. As long as queries
to the database for the input to mtrack are based on central meridian
longitude rather than time, this should be of no concern.
There may be problems parsing regular calendar-clock time strings; use of
the CR:CL format for the time value is recommended.