Summary of Calls

CALL SNX_AGOP

Make AUTOGRAPH/SGS/GKS ready for plotting.

CALL SNX_EZRXY

( XDRA, YDRA, NPTS, XLAB, YLAB, GLAB ) Plot (x,y) data, with labelling, using AUTOGRAPH.

CALL SNX_AGLAB

( LNAME, TEXT ) Set up an AUTOGRAPH label.

CALL SNX_CHSET

( I ) Select one of the two NCAR Roman fonts.

CALL SNX_AGSAV

( HEAP ) Save the state of AUTOGRAPH.

CALL SNX_AGRES

( HEAP ) Restore the state of AUTOGRAPH.

CALL SNX_TO

( SORN ) Switch between NCAR and SGS plotting.

CALL SNX_AGWV

Make the AUTOGRAPH graph window match the current viewport ($=$ zone if using SGS).

CALL SNX_AGCS

Make the current SGS zone world coordinates match the AUTOGRAPH grid coordinate system.

CALL SNX_CURS

( X, Y, N ) Read a cursor position.

UX $=$ SNX_AGGUX

( GX ) Transform grid X coordinate to user X coordinate.

UY $=$ SNX_AGGUY

( GY ) Transform grid Y coordinate to user Y coordinate.

GX $=$ SNX_AGUGX

( UX ) Transform user X coordinate to grid X coordinate.

GY $=$ SNX_AGUGY

( UY ) Transform user Y coordinate to grid Y coordinate.

CALL SNX_WRTST

( XG, YG, STRING, HG, IOR, ICTR ) Plot a character string.