ncl_gqchup (3) - Linux Man Pages
ncl_gqchup: retrieves the current value of
NAMEGQCHUP (Inquire character up vector) - retrieves the current value of the character up vector.
SYNOPSISCALL GQCHUP (ERRIND, CHUX, CHUY)
C-BINDING SYNOPSIS#include <ncarg/gks.h>
- (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.
- (Real, Output) - Gives the X world coordinate of a the up vector.
- (Real, Output) - Gives the Y world coordinate of a the up vector.
USAGEThe 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.
ACCESSTo use GKS routines, load the NCAR GKS-0A library ncarg_gks.
COPYRIGHTCopyright (C) 1987-2009
University Corporation for Atmospheric Research
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