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Workspace Method ppathCalc

Description

Stand-alone calculation of propagation paths.

Beside a few checks of input data, the only operation of this
method is to execute ppath_agenda.

Propagation paths are normally calculated as part of the radiative
transfer calculations, and this method is not part of the control
file. A reason to call this function directly would be to obtain a
propagation path for plotting. Anyhow, use this method instead
of calling e.g.*ppathStepByStep directly.

Authors: Patrick Eriksson

Synopsis

ppathCalc(

ppath, ppath_agenda, ppath_lraytrace, atmgeom_checked, t_field, z_field, vmr_field, f_grid, cloudbox_on, cloudbox_checked, ppath_inside_cloudbox_do, rte_pos, rte_los, rte_pos2 )

Variables

OUT	ppath	(Ppath)	The propagation path for one line-of-sight.
IN	ppath_agenda	(Agenda)	See agendas.cc.
IN	ppath_lraytrace	(Numeric)	Maximum length of ray tracing steps when determining propagation paths.
IN	atmgeom_checked	(Index)	OK-flag for the geometry of the model atmosphere.
IN	t_field	(Tensor3)	The field of atmospheric temperatures.
IN	z_field	(Tensor3)	The field of geometrical altitudes.
IN	vmr_field	(Tensor4)	VMR field.
IN	f_grid	(Vector)	The frequency grid for monochromatic pencil beam calculations.
IN	cloudbox_on	(Index)	Flag to activate the cloud box.
IN	cloudbox_checked	(Index)	OK-flag for variables associated with the cloudbox.
IN	ppath_inside_cloudbox_do	(Index)	Flag to perform ray tracing inside the cloudbox.
IN	rte_pos	(Vector)	A geographical position for starting radiative transfer calculations.
IN	rte_los	(Vector)	A line-of-sight for (complete) radiative transfer calculations.
IN	rte_pos2	(Vector)	A second geographical position to define the geometry for radiative transfer calculations.