iRIC_Geo_RiverSurvey_Read_Direction

Reads the direction of the cross-section as a normalized vector.

Format (FORTRAN)

call iRIC_Geo_RiverSurvey_Read_Direction(geo_handle, csid, dirx, diry, ier)

Format (C/C++)

ier = iRIC_Geo_RiverSurvey_Read_Direction(geo_handle, csid, dirx, diry)

Format (Python)

dirx, diry = iRIC_Geo_RiverSurvey_Read_Direction(geo_handle, csid)

Arguments and returned value

geo_handle

Table 1825 Description of geo_handle

Item	Value
Name	geo_handle
Input/Output	Input
Description	Handle of geographic data
Data type (FORTRAN)	integer
Data type (C/C++)	int
Data type (Python)	int

csid

Table 1826 Description of csid

Item	Value
Name	csid
Input/Output	Input
Description	Cross-Section ID (Start from 1)
Data type (FORTRAN)	integer
Data type (C/C++)	int
Data type (Python)	int

dirx

Table 1827 Description of dirx

Item	Value
Name	dirx
Input/Output	Output
Description	X component of direction vector
Data type (FORTRAN)	double precision
Data type (C/C++)	double*
Data type (Python)	float

diry

Table 1828 Description of diry

Item	Value
Name	diry
Input/Output	Output
Description	Y component of direction vector
Data type (FORTRAN)	double precision
Data type (C/C++)	double*
Data type (Python)	float

ier

Table 1829 Description of ier

Item	Value
Name	ier
Input/Output	Output
Description	Error code. 0 means success, other values mean error.
Data type (FORTRAN)	integer
Data type (C/C++)	int
Data type (Python)	(Not defined)