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Solar Quiet and Disturbance Algorithm Usage
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The Solar Quiet and Disturbance Algorithm calculates `Solar Variation`,
`Solar Quiet` and `Disturbance` from raw Geomagnetic data.
`geomag.py --algorithm sqdist`
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### Example
This example uses a state file to produce magnetic-h-based Dist, SQ, and SV
channels using the EDGE channel naming convention.
bin/geomag.py \
--input-edge cwbpub.cr.usgs.gov \
--observatory BOU \
--inchannels H E Z F \
--starttime 2016-01-03T00:01:00 \
--endtime 2016-01-04T00:00:00 \
--algorithm sqdist \
--sqdist-mag \
--sqdist-statefile=/tmp/sqdist_h_state.json \
--rename-output-channel H_SQ MSQ \
--rename-output-channel H_SV MSV \
--rename-output-channel H_Dist MDT \
--outchannels MDT MSQ MSV \
--output-iaga-stdout
This example processes just one channel (X).
bin/geomag.py \
--input-edge cwbpub.cr.usgs.gov \
--observatory BOU \
--inchannels X \
--starttime 2016-01-03T00:01:00 \
--endtime 2016-01-04T00:00:00 \
--algorithm sqdist \
--sqdist-statefile=/tmp/sqdist_x_state.json \
--rename-output-channel X_Dist MXT \
--rename-output-channel X_SQ MXQ \
--rename-output-channel X_SV MXV \
--outchannels MXT MXQ MXV \
--output-iaga-stdout
> Note only one inchannel is specified and the --sqdist-mag option is omitted.
### Library Notes
> Note: this library internally represents data gaps as NaN, and factories
> convert to this where possible.
### [Algorithm Theoretical Basis for "Geomag Solar Quiet and Disturbance"](SqDist.md) ###
Describes the theory behind the Solar Quiet and Disturbance algorithm, as
well as some implementation issues and solutions.