gpolyline (Polyline) – This output primitive draws line segments connecting a sequence of user-specified coordinate pairs. Synopsis #include <ncarg/gks.h> void gpolyline(const Gpoint_list *point_list); Description point_list.num_points (Gint, Input) – The number of points in the line to be drawn. Must be larger than one. point_list.points (Gint *, Input) – The X and Y coordinates (specified in…
GPM (Polymarker) – the polymarker output primitive draws selected symmetric symbols to mark user-specified coordinate positions. Synopsis CALL GPM (N, X, Y) C-Binding Synopsis #include <ncarg/gks.h> void gpolymarker(const Gpoint_list *point_list); Description N (Integer, Input) – The number of markers to be drawn. N must be greater than zero. X (N) (Real Array, Input) – The…
GPL (Polyline) – This output primitive draws line segments connecting a sequence of user-specified coordinate pairs. Synopsis CALL GPL (N, X, Y) C-Binding Synopsis #include <ncarg/gks.h> void gpolyline(const Gpoint_list *point_list); Description N (Integer, Input) – The number of points in the line to be drawn. N must be larger than one. X (N) (Real Array,…
GOPWK (Open workstation) – opens a GKS workstation. Synopsis CALL GOPWK (WKID, CONID, WKTYPE) C-Binding Synopsis #include <ncarg/gks.h> void gopen_ws(Gint ws_id, const char *conn_id, Gint ws_type); Description WKID (Integer, Input) – A number assigned to a workstation as an identifier that is to be used in all subsequent calls to GKS functions that require a…
GOPKS (Open GKS) – opens the GKS package Synopsis CALL GOPKS (ERRFIL, BUFA) C-Binding Synopsis #include <ncarg/gks.h> void gopen_gks(const char *err_file, size_t mem_unit); Description ERRFIL (Input, Integer) – The Fortran unit number to which error messages are to be written. Typically this should be unit 6. BUFA (Input, Integer) – The dimension of an internal…
gopen_ws (Open workstation) – opens a GKS workstation. Synopsis #include <ncarg/gks.h> void gopen_ws(Gint ws_id, const char *conn_id, Gint ws_type); Description ws_id (Input) – A number assigned to a workstation as an identifier that is to be used in all subsequent calls to GKS functions that require a workstation identifier. In NCAR GKS, ws_id can be…
gopen_gks (Open GKS) – opens the GKS package Synopsis #include <ncarg/gks.h> void gopen_gks(const char *err_file, size_t mem_unit); Description err_file (Input) – The place to which error messages are to be written. Typically this should be "stdout". mem_unit (Input) – The dimension of an internal buffer. Currently in NCAR GKS-0A, mem_unit is ignored. Usage To get…
GKS – GKS (the Graphical Kernel System) is a set of low-level graphics functions that are standardized by the American National Standards Institute (ANSI) and the International Standards Institute (ISO). The collection of man pages in 3NCARG reflects those GKS functions documented in the NCAR UserDoc "User’s Guide for NCAR GKS-0A Graphics". This collection does…
ginq_text_path (Inquire text path) – retrieves the current text path. Synopsis #include <ncarg/gks.h> void ginq_text_path(Gint *err_ind, Gtext_path *text_path); Description err_ind (Output) – If the inquired value cannot be returned correctly, a non-zero error indicator is returned in err_ind, otherwise a zero is returned. Consult "User’s Guide for NCAR GKS-0A Graphics" for a description of the…
ginq_text_font_prec (Inquire text font and precision) – retrieves the current setting of the text font and precision values. Synopsis #include <ncarg/gks.h> void ginq_text_font_prec(Gint *err_ind, Gtext_font_prec *text_font_prec); Description err_ind (Output) – If the inquired values cannot be returned correctly, a non-zero error indicator is returned in err_ind, otherwise a zero is returned. Consult "User’s Guide for…
ginq_text_colr_ind (Inquire text color index) – retrieves the current text color index. Synopsis #include <ncarg/gks.h> void ginq_text_colr_ind(Gint *err_ind, Gint *text_colr_ind); Description err_ind (Output) – If the inquired value cannot be returned correctly, a non-zero error indicator is returned in err_ind, otherwise a zero is returned. Consult "User’s Guide for NCAR GKS-0A Graphics" for a description…
ginq_text_align (Inquire text alignment) – retrieves the horizontal and vertical text alignments. Synopsis #include <ncarg/gks.h> void ginq_text_align(Gint *err_ind, Gtext_align *text_align); Description err_ind (Output) – If the inquired values cannot be returned correctly, a non-zero error indicator is returned in err_ind, otherwise a zero is returned. Consult "User’s Guide for NCAR GKS-0A Graphics" for a description…
ginq_set_seg_names (Inquire set of segment names in use) – Retrieves what segment names are currently in use. Synopsis #include <ncarg/gks.h> void ginq_set_seg_names(Gint num_elems_appl_list, Gint start_pos, Gint *err_ind, Gint_list *seg_names, Gint *length_list); Description num_elems_appl_list (Input) – The number of elements in the application list you wish to request. start_pos (Input) – The first set member requested….
ginq_op_st (Inquire operating state value) – returns the operating state of GKS. Synopsis #include <ncarg/gks.h> void ginq_op_st(Gop_st *op_st); Description op_st (Output) – Returns the GKS operating state: GST_GKCL GKS is closed GST_GKOP GKS is open GST_WSOP Additionally, a workstation is open GST_WSAC Additionally, a workstation is active GST_SGOP Additionally, a segment is open Access To…
ginq_norm_tran (Inquire normalization transformation) – retrieves the window and viewport associated with a given normalization transformation. Users of NCAR Graphics are encouraged to use the SPPS routines c_set and c_getset to handle normalization transformations instead of the GKS entries gset_win, gset_vp, gsel_norm_tran, and ginq_norm_tran. Synopsis #include <ncarg/gks.h> void ginq_norm_tran(Gint num, Gint *err_ind, Gtran *norm_tran); Description…
ginq_name_open_seg (Inquire name of open segment) – returns the name of the currently open segment. Synopsis #include <ncarg/gks.h> void ginq_name_open_seg(Gint *err_ind, Gint *name_open_seg); Description err_ind (Output) – If the GKS state is SGOP (segment open), then err_ind is returned as "0"; otherwise err_ind is returned as "4". name_open_seg (Output) – If the GKS state is…
ginq_max_norm_tran_num (Inquire maximum normalization transformation number) – retrieves the maximum number of supported normalization transformations. Synopsis #include <ncarg/gks.h> void ginq_max_norm_tran_num(Gint *err_ind, Gint *max_norm_tran_num); Description err_ind (Output) – If the inquired value cannot be returned correctly, a non-zero error indicator is returned in err_ind, otherwise a zero is returned. Consult "User’s Guide for NCAR GKS-0A Graphics"…
ginq_marker_type (Inquire marker type) – retrieves the current value for the marker type. Synopsis #include <ncarg/gks.h> void ginq_marker_type(Gint *err_ind, Gint *marker_type); Description err_ind (Output) – If the inquired value cannot be returned correctly, a non-zero error indicator is returned in err_ind, otherwise a zero is returned. Consult "User’s Guide for NCAR GKS-0A Graphics" for a…
ginq_marker_size (Inquire marker size scale factor) – retrieves the current value for the polymarker size scale factor. Synopsis #include <ncarg/gks.h> void ginq_marker_size(Gint *err_ind, Gdouble *marker_size); Description err_ind (Output) – If the inquired value cannot be returned correctly, a non-zero error indicator is returned in err_ind, otherwise a zero is returned. Consult "User’s Guide for NCAR…
ginq_marker_colr_ind (Inquire polymarker color index) – retrieves the polymarker color index. Synopsis #include <ncarg/gks.h> void ginq_marker_colr_ind(Gint *err_ind, Gint *marker_colr_ind); Description err_ind (Output) – If the inquired value cannot be returned correctly, a non-zero error indicator is returned in err_ind, otherwise a zero is returned. Consult "User’s Guide for NCAR GKS-0A Graphics" for a description of…