ll2rt Subroutine
public subroutine ll2rt(lon0, lat0, lon1, lat1, r, theta)
calculate radial and azimuthal location at (lon1,lat1) on the polar coordinate with the center of (lon0,lat0)
Arguments
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| double precision, | intent(in) | :: | lon0 |
the center longitude (rad) |
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| double precision, | intent(in) | :: | lat0 |
the center latitude (rad) |
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| double precision, | intent(in) | :: | lon1 |
target longitude (rad) |
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| double precision, | intent(in) | :: | lat1 |
target latitude (rad) |
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| double precision, | intent(inout) | :: | r |
radial distance (m) |
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| double precision, | intent(inout) | :: | theta |
azimuthal angle (rad) |