Section 3: library functions
IDSETI – Provides a new integer value for a Bivar parameter. SynopsisCALL IDSETI (PNAM,IVAL) C-Binding Synopsis#include <ncarg/ncargC.h> void c_idseti (char *pnam, int ival) DescriptionPNAM (an input constant or variable of type CHARACTER) – The name of the parameter that you want to set. The character string can be of any length, but only the first…
Plots the triangulation generated by a prior call to either IDBVIP or IDSFFT. SynopsisCALL IDPLTR (NDAT,XDAT,YDAT,IWRK) C-Binding Synopsis#include <ncarg/ncargC.h> void c_idbvip (int ndat, float *xdat, float *ydat, float *iwrk) DescriptionNDAT Number of data points (argument NDP from a prior call to IDBVIP or IDSFFT). XD Array of dimension NDP containing the X coordinates of the…
IDGETR – Retrieves the real value of a Bivar parameter. SynopsisCALL IDGETR (PNAM,RVAL) C-Binding Synopsis#include <ncarg/ncargC.h> void c_idgetr (char *pnam, float *rval) DescriptionPNAM (an input constant or variable of type CHARACTER) – The name of the parameter that you want to retrieve. The character string can be of any length, but only the first two…
IDGETI – Retrieves the integer value of a Bivar parameter. SynopsisCALL IDGETI (PNAM,IVAL) C-Binding Synopsis#include <ncarg/ncargC.h> void c_idgeti (char *pnam, int *ival) DescriptionPNAM (an input constant or variable of type CHARACTER) – The name of the parameter that you want to retrieve. The character string can be of any length, but only the first two…
IDBVIP – produces interpolated values at points (XI(I), YI(I)), I=1,…,NIP. This is useful for filling in missing data points on a grid. SynopsisCALL IDBVIP (MD,NDP,XD,YD,ZD,NIP,XI,YI,ZI,IWK,WK) C-Binding Synopsis#include <ncarg/ncargC.h> void c_idbvip (int md, int ndp, float *xd, float *yd, float *zd, int nip, float *xi, float *yi, float *zi, int *iwk, float *wk) DescriptionMD Mode of…
ICLOEM – Called to get the length of the non-blank portion of an error message. SynopsisLNGTH = ICLOEM(MESSG) C-Binding Synopsis#include <ncarg/ncargC.h> int c_icloem(char *messg) DescriptionThe value of the expression "ICLOEM(MESSG)" is the actual length of the non-blank portion of the input character variable MESSG. Thus, "MESSG(1:ICLOEM(MESSG))" is the non-blank part of MESSG. (It is assumed…
ICFELL – Called to check for existing error conditions and (perhaps) to update the current error message and error flag. SynopsisNERR = ICFELL(MESSG,NERRF) C-Binding Synopsis#include <ncarg/ncargC.h> int c_icfell(char *messg, int nerrf) DescriptionICFELL (which stands for "I Check For Errors on Lower Level") is used to check for the occurrence of a recoverable error in a…
HSVRGB – Converts a color specification given in the Hue, Saturation, and Value (HSV) color space to color values in the Red, Green, Blue (RGB) color space. SynopsisCALL HSVRGB (H, S, V, R, G, B) C-Binding Synopsis#include <ncarg/ncargC.h> void c_hsvrgb (float h, float s, float v, float *r, float *g, float *b) DescriptionH (REAL, input,…
HSTOPR – Specifies various REAL arrays to be used by the the Histogram utility. SynopsisCALL HSTOPR (STRING,ARRAY,LARR) C-Binding Synopsis#include <ncarg/ncargC.h> void c_hstopr (char *string, float *array, int larr) DescriptionSTRING Character, input — Selects an internal parameter. The possibilities are: ‘WIN=ON’ or ‘WIN=OFF’ ‘SPA=ON’ or ‘SPA=OFF’ ‘MVA=ON’ or ‘MVA=OFF’ WIN defines the portion of the frame that will receive the histogram. SPA…
HSTOPL – Turns options off and on for the Histogram utility. SynopsisCALL HSTOPL (STRING) C-Binding Synopsis#include <ncarg/ncargC.h> void c_hstopl (char *string) DescriptionSTRING Character, input — Selects an internal parameter. The possibilities are: ‘HOR=ON’ or ‘HOR=OFF’ ‘PER=ON’ or ‘PER=OFF’ ‘MID=ON’ or ‘MID=OFF’ ‘SHA=ON’ or ‘SHA=OFF’ ‘DRL=ON’ or ‘DRL=OFF’ ‘MED=ON’ or ‘MED=OFF’ ‘NMV=ON’ or ‘NMV=OFF’ ‘PMV=ON’ or ‘PMV=OFF’ ‘PRM=ON’ or ‘PRM=OFF’ ‘FRA=ON’ or ‘FRA=OFF’ ‘LIS=ON’ or ‘LIS=OFF’ ‘DEF=ON’ or ‘DEF=OFF’ The following options are defined by this subroutine: HOR The histogram…
HSTOPI – Specifies various INTEGER parameters to be used by the Histogram utility. SynopsisCALL HSTOPI (STRING, PARAM1, PARAM2, ICOL, LCOL) C-Binding Synopsis#include <ncarg/ncargC.h> void c_hstopi (char *string, int param1, int param2, int *icol, int lcol) DescriptionSTRING Character, input — Selects an internal parameter. The possibilities are: ‘COL=ON’ or ‘COL=OFF’ ‘CLA=ON’ or ‘CLA=OFF’ If an option is turned ‘ON’, then…
HSTOPC – Specifies various CHARACTER variables to be used by the Histogram utility. SynopsisCALL HSTOPC (STRING,STRNG2,NUMBER,ILCH) C-Binding Synopsis#include <ncarg/ncargC.h> void c_hstopc (char *string, char *strng2, int number, int ilch) DescriptionSTRING Character, input — Selects an internal parameter. The possibilities are: ‘FOR=ON’ or ‘FOR=OFF’ ‘TIT=ON’ or ‘TIT=OFF’ ‘LAB=ON’ or ‘LAB=OFF’ ‘PTI=ON’ or ‘PTI=OFF’ ‘FQN=ON’ or ‘FQN=OFF’ ‘CHR=ON, or ‘CHR=OFF’ If an option is turned ‘ON’ then the…
HLSRGB – Converts a color specification given as Hue, Lightness, and Saturation (HLS) values to Red, Green, and Blue (RGB) intensity values. SynopsisCALL HLSRGB ( H, L, S, R, G, B ) C-Binding Synopsis#include <ncarg/ncargC.h> void c_hlsrgb (float h, float l, float s, float *r, float *g, float *b) DescriptionH (REAL, input, range [0.,360.) )…
Histogram_params – This document briefly describes all histogram internal parameters. The Histogram utility has four parameter setting routines: HSTOPC sets parameters of type CHARACTER; HSTOPI sets parameters of type INTEGER; HSTOPL sets parameters of type LOGICAL; HSTOPR sets parameters of type REAL. DescriptionParameters of type CHARACTER set in calls to entry HSTOPC: FOR Format for…
Histogram – This utility is used to generate histograms. Histograms or bar charts are used to show the distribution of values in a like-sample dataset. The individual values are sorted by size into a number of value ranges called class intervals. The number of samples out of the total which fall into a class interval…
HISTGR – Plots a histogram with various options including specification of class values, spacing between histogram bars, shading of bars, windowing (i.e. scaling), specification of color, labels, titles, etc. Data values are partitioned into classes; histogram bars represent either number of occurrences within each class, or a Y-value associated with that class (user choice). Options…
Halftone – is a utility for drawing half-tone pictures in which the gray scale level is proportional to the value in a two dimensional array. StatusHalftone is obsolete. It has been replaced by the CPCICA entry of the Conpack contouring package. Halftone continues to be provided for compatibility of early NCAR Graphics codes. If you…
HALFAX – Draws orthogonal axes intersecting at a specified point and with a specified set of labels. SynopsisCALL HALFAX (MJRX,MNRX,MJRY,MNRY,XINT,YINT,IXLB,IYLB) C-Binding Synopsis#include <ncarg/ncargC.h> void c_halfax (int mjrx, int mnrx, int mjry, int mnry, float xint, float yint, int ixlb, int iylb) DescriptionMJRX, MNRX, MJRY, and MNRY (input expressions of type INTEGER) specify the major and…
HAFTON – draws a half-tone picture from data stored in a rectangular array with the intensity in the picture proportional to the data value. UtilityThis routine is part of the Halftone utility in NCAR Graphics. To see the overview man page for this utility, type "man halftone". StatusHAFTON is obsolete. It has been replaced by…
GUWK (Update workstation) – Insures that the workstation is current and reflects all requests that have been made. SynopsisCALL GUWK(WKID,REGFL) C-Binding Synopsis#include <ncarg/gks.h> void gupd_ws(Gint ws_id, Gupd_regen_flag upd_regen_flag); DescriptionWKID (Integer, Input) – A number identifying the workstation to be updated. WKID must be the same as that used in some previous GOPWK call. REGFL (Integer,…