SysTutorials Posts

ne_addr_resolve, ne_addr_result, ne_addr_first, ne_addr_next, ne_addr_error, ne_addr_destroy – functions to resolve hostnames to addresses Synopsis #include <ne_socket.h> ne_sock_addr *ne_addr_resolve(const char *hostname, int flags); int ne_addr_result(const ne_sock_addr *addr); const ne_inet_addr *ne_addr_first(ne_sock_addr *addr); const ne_inet_addr *ne_addr_next(ne_sock_addr *addr); char *ne_addr_error(const ne_sock_addr *addr, char *buffer, size_t bufsiz); void ne_addr_destroy(ne_sock_addr *addr); Description The ne_addr_resolve function resolves the given hostname, returning an…

ne_add_request_header, ne_print_request_header – add headers to a request Synopsis #include <ne_request.h> void ne_add_request_header(ne_request *request, const char *name, const char *value); void ne_print_request_header(ne_request *request, const char *name, const char *format, …); Description The functions ne_add_request_header and ne_print_request_header can be used to add headers to a request, before it is sent. ne_add_request_header simply adds a header of…

YIQRGB – Converts a color specification given in the YIQ color space to the equivalent color specification in the Red, Green, Blue (RGB) color space. Synopsis CALL YIQRGB (Y, I, Q, R, G, B) C-Binding Synopsis #include <ncarg/ncargC.h> void c_yiqrgb (float y, float i, float q, float *r, float *g, float *b) Description Y (REAL,…

WTSTR – draws a specified text string at a specified position in the user coordinate system. The call has arguments specifying the size, orientation, and centering of the string. Status WTSTR specifies character sizes in Plotter Address Units (PAUs), which are no longer used in NCAR Graphics; thus, WTSTR is considered an obsolete routine. The…

WMSTNM – plots station model data as per WMO guidelines. Synopsis CALL WMSTNM (X, Y, IMDAT) C-Binding Synopsis #include <ncarg/gks.h> void c_wmstnm(float x, float y, char *imdat) Description X (Real, Input) – An X coordinate (specified in world coordinates) of a point that specifies the position of the base of the wind barb shaft in…

WMSETR – Sets the value of an internal parameter of type REAL. Synopsis CALL WMSETR (PNAM,RVAL) C-Binding Synopsis #include <ncarg/ncargC.h> void c_wmsetr (char *pnam, real rval) Description PNAM (an input constant or variable of type CHARACTER) specifies the name of the parameter to be set. The name must appear as the first three characters of…

WMSETI – Sets the value of an internal parameter of type INTEGER. Synopsis CALL WMSETI (PNAM,IVAL) C-Binding Synopsis #include <ncarg/ncargC.h> void c_wmseti (char *pnam, int ival) Description PNAM (an input constant or variable of type CHARACTER) specifies the name of the parameter to be set. The name must appear as the first three characters of…

WMSETC – Sets the value of an internal parameter of type CHARACTER. Synopsis CALL WMSETC (PNAM,CVAL) C-Binding Synopsis #include <ncarg/ncargC.h> void c_wmsetc (char *pnam, char *cval) Description PNAM (an input constant or variable of type CHARACTER) specifies the name of the parameter to be set. The name must appear as the first three characters of…

WMLGND – plots weather map legends. Synopsis CALL WMLGND (X,Y,NTYPE,IROWS,ICOLS) C-Binding Synopsis #include <ncarg/gks.h> void c_wmlgnd(float x, float y, int ntype, int irows, int icols) Description X (Real, Input) – An X coordinate (specified in world coordinates) of a point that specifies a position for the legend to be plotted. Y (Real, Input) – A…

WMLABW – plots weather map regional weather labels (like "HOT", "BREEZY", "COLD", etc. Synopsis CALL WMLABW (X, Y, LABEL) C-Binding Synopsis #include <ncarg/gks.h> void c_wmlabw(float x, float y, char *label) Description X (Real, Input) – An X coordinate (specified in world coordinates) of a point that specifies the center of the label in LABEL. Y…

WMLABT – plots weather map regional temperatures labels (like 90s, 80s, etc.) Synopsis CALL WMLABT (X, Y, LABEL, IPOS) C-Binding Synopsis #include <ncarg/gks.h> void c_wmlabt(float x, float y, char *label, int ipos) Description X (Real, Input) – An X coordinate (specified in world coordinates) of a point that specifies a position for the label in…

WMLABS – plots weather map special symbols and daily weather icons. Synopsis CALL WMLABS (X, Y, SYMTYP) C-Binding Synopsis #include <ncarg/gks.h> void c_wmlabs(float x, float y, char *symtyp) Description X (Real, Input) – An X coordinate (specified in world coordinates) of a point that specifies a position for the symbol type in SYMTYP. Y (Real,…

WMLABC – plots weather map city names and daily hi/lows. Synopsis CALL WMLABC (X, Y, CITY, TEMPS) C-Binding Synopsis #include <ncarg/gks.h> void c_wmlabc(float x, float y, char *city, char *temps) Description X (Real, Input) – An X coordinate (specified in world coordinates) of a point that specifies the center of the composite label that consists…

WMGETR – Retrieves the real value of an internal parameter of type REAL. Synopsis CALL WMGETR (PNAM,RVAL) C-Binding Synopsis #include <ncarg/ncargC.h> void c_wmgetr (char *pnam, float *rval) Description PNAM (an input expression of type CHARACTER) specifies the name of the parameter to get. The name must appear as the first three characters of the string….

WMGETI – Retrieves the integral value of an internal parameter of type INTEGER. Synopsis CALL WMGETI (PNAM,IVAL) C-Binding Synopsis #include <ncarg/ncargC.h> void c_wmgeti (char *pnam, int *ival) Description PNAM (an input constant or variable of type CHARACTER) specifies the name of the parameter to get. The name must appear as the first three characters of…

WMGETC – Retrieves the current character value of an internal parameter of type character. Synopsis CALL WMGETC (PNAM,CVAL) C-Binding Synopsis #include <ncarg/ncargC.h> void c_wmgetc (char *pnam, char *cval, int len) Description PNAM (an input constant or variable of type CHARACTER) specifies the name of the parameter to get. The name must appear as the first…

WMDRRG – plots weather map regions (indicating "snow", "rain", etc.), or solid regions indicating temperature zones. Synopsis CALL WMDRRG(N,X,Y,ITYPE,NC,XC,YC) C-Binding Synopsis #include <ncarg/gks.h> void c_wmdrrg(int n, float *x, float *y, char *itype, int nc, float *xc, float *yc) Description N (Integer, Input) – The number of points supplied in the second and third arguments. X…

WMDRFT – plots weather map front lines. Synopsis CALL WMDRFT (N, X, Y) C-Binding Synopsis #include <ncarg/gks.h> void c_wmdrft(int n, float *x, float *y) Description N (Integer, Input) – The number of points supplied in the second and third arguments. X (Real, Input) – The X coordinates (specified in world coordinates) of N points that…

WMDFLT – returns all values of internal parameters in the Wmap package to their default values. Synopsis CALL WMDFLT () C-Binding Synopsis #include <ncarg/gks.h> void c_wmdflt() Usage All values of all internal parameters are returned to their default values. See the man page for wmap_params for default values. Access To use WMDFLT or c_wmdflt, load…

WMBARB – plots wind barbs. Synopsis CALL WMBARB (X,Y,U,V) C-Binding Synopsis #include <ncarg/gks.h> void c_wmbarb(float x, float y, float u, float v) Description X (Real, Input) – An X coordinate (specified in world coordinates) of a point that specifies the position of the base of a wind barb. Y (Real, Input) – A Y coordinate…