ncl_gqchup (3) - Linux Manuals

ncl_gqchup: retrieves the current value of

NAME

GQCHUP (Inquire character up vector) - retrieves the current value of the character up vector.

SYNOPSIS

CALL GQCHUP (ERRIND, CHUX, CHUY)

C-BINDING SYNOPSIS

#include <ncarg/gks.h>

void ginq_char_up_vec(Gint *err_ind, Gvec *char_up_vec);

DESCRIPTION

ERRIND

(Integer, Output) - If the inquired values cannot be returned correctly, a non-zero error indicator is returned in ERRIND, otherwise a zero is returned. Consult "User's Guide for NCAR GKS-0A Graphics" for a description of the meaning of the error indicators.

CHUX

(Real, Output) - Gives the X world coordinate of a the up vector.

CHUY

(Real, Output) - Gives the Y world coordinate of a the up vector.

USAGE

The up vector is that vector formed by the two coordinate points (0.,0.) and (CHUX,CHUY). See GSCHUP for more details on the meaning of the character up vector.

ACCESS

To use GKS routines, load the NCAR GKS-0A library ncarg_gks.

COPYRIGHT

Copyright (C) 1987-2009
University Corporation for Atmospheric Research
The use of this Software is governed by a License Agreement.