Section 3: library functions
c_nngetrd – retrieves the value of an internal parameter of type double. Function Prototypevoid c_nngetrd(char *, double *); Synopsisc_nngetrd (pnam, dval) Descriptionpnam A string that specifies the name of the parameter to get. The name must appear as the first three characters of the string. dval *dval is the value currently assigned to the control…
c_nngetr – Retrieves the value of an internal parameter of type float. Function Prototypevoid c_nngetr(char *, float *); Synopsisc_nngetr (pnam,fval) Descriptionpnam A string that specifies the name of the parameter to get. The name must appear as the first three characters of the string. fval *fval will be the value currently assigned to the control…
c_nngeti – Retrieves the value of an internal parameter of type int. Function Prototypevoid c_nngeti(char *, int *); Synopsisc_nngeti (pnam,ival) Descriptionpnam A string that specifies the name of the parameter to get. The name must appear as the first three characters of the string. ival *ival will be the value currently assigned to the control…
c_nngetc – Retrieve values for char valued parameters Function Prototypevoid c_nngetc(char *, char *); Synopsisvoid c_nngetc (pnam, cval); Descriptionpnam A string that specifies the name of the parameter to be set. cval A string specifying the value to be assigned to the internal parameter specified by pnam.UsageThis routine allows you to set the current value…
c_nngetaspects – retrieve the aspect at a specified coordinate. Function Prototypevoid c_nngetaspects(int, int, float *, int *); Synopsisc_nngetaspects (row, column, aspect, ier); Descriptionrow A subscript indexing the first dimensioned variable in the 2D grid array returned from the most recent call to c_natgrids. column A subscript indexing the second dimensioned variable in the 2D grid…
c_nngetaspectd – retrieve a double precision aspect at a specified coordinate. Function Prototypevoid c_nngetaspectd(int, int, double *, int *); Synopsisc_nngetaspectd (row, column, aspect, ier); Descriptionrow A subscript indexing the first dimensioned variable in the 2D grid array returned from the most recent call to c_natgridd. column A subscript indexing the second dimensioned variable in the…
c_natgrids – primary C entry for natural neighbor gridding Function Prototypefloat *c_natgrids(int, float [], float [], float [], int, int, float [], float [], int *); Synopsisfloat *c_natgrids (npnts, x, y, z, numxout, numyout, xi, yi, ier); Descriptionnpnts The number of input data points. (npnts > 3). x An array containing the x coordinates of the input data…
c_natgrids – primary double precision C entry for natural neighbor gridding Function Prototypedouble *c_natgridd(int, double [], double [], double [], int, int, double [], double [], int *); Synopsisdouble *c_natgridd (npnts, x, y, z, numxout, numyout, xi, yi, ier); Descriptionnpnts The number of input data points. (npnts > 3). x An array containing the x coordinates of the…
c_ftsurf – 2D tension spline interpolation of rectangular data Function Prototypefloat *c_ftsurf (int, int, float *, float *, float *, int, int, float *, float *, int *); Synopsisfloat *c_ftsurf (mi, ni, xi, yi, zi, mo, no, xo, yo, ier); Descriptionmi The number of grid lines in the X direction. (mi > 1) ni The number of grid…
c_ftsetr – set float valued parameters Function Prototypevoid c_ftsetr(char *, float); Synopsisvoid c_ftsetr (pnam, fval); Descriptionpnam The name of the control parameter to be assigned a float value. fval The value to be assigned to the control parameter whose name is pointed to by pnam.Usagec_ftsetr is used to set values for any of the control…
c_ftseti – set int valued parameters Function Prototypevoid c_ftseti(char *, int); Synopsisvoid c_ftseti (pnam, ival); Descriptionpnam The name of the control parameter to be assigned an int value. ival The value to be assigned to the control parameter whose name is pointed to by pnam.Usagec_ftseti is used to set values for any of the control…
Set float valued array parameters Function Prototypeint c_ftsetfa(char *pnam, int n, float *far); Synopsisint c_ftsetfa (pnam, n, far); Descriptionpnam The name of the control parameter to be assigned a float array value. n The number of float values in the array. far A pointer to the n-element input array.Usagec_ftsetra is used to set values for…
c_ftsetc – set char valued parameters Function Prototypevoid c_ftsetc(char *, char *); Synopsisvoid c_ftsetc (pnam, cval); Descriptionpnam The name of the control parameter to be assigned an string value. ival The value to be assigned to the control parameter whose name is pointed to by pnam.Usagec_ftsetc is used to set values for any of the…
c_ftkurvpd – interpolation and derivative calculation for closed parametric curves Function Prototypeint c_ftkurvpd (int, float [], float [], int, float [], float [], float [], float [], float [], float [], float []); Synopsisint c_ftkurvpd (n, xi, yi, m, t, xo, yo, xd, yd, xdd, ydd); Descriptionn The number of input data points. (n > 1) xi An array containing the…
c_ftkurvp – interpolation for closed parametric curves Function Prototypeint c_ftkurvp (int, float [], float [], int, float [], float [], float []); Synopsisint c_ftkurvp (n, xi, yi, m, t, xo, yo); Descriptionn The number of input data values. (n > 1) xi An array containing the abscissae for the input function. yi An array containing…
c_ftkurvd – calculate interpolated values and derivatives for parametric curves Function Prototypeint c_ftkurvd (int, float [], float [], int, float [], float [], float [], float [], float [], float [], float []); Synopsisint c_ftkurvd (n, xi, yi, m, t, xo, yo, xd, yd, xdd, ydd); Descriptionn The number of input data points. (n > 1) xi An array containing the…
c_ftkurv – interpolation for parametric curves Function Prototypeint c_ftkurv (int, float [], float [], int, float [], float [], float []); Synopsisint c_ftkurv (n, xi, yi, m, t, xo, yo); Descriptionn The number of input data values. (n > 1) xi An array containing the abscissae for the input function. yi An array containing the…
c_ftgetr – retrieve a float valued parameter Function Prototypevoid c_ftgetr(char *, float *); Synopsisvoid c_ftgetr (pnam, fval); Descriptionpnam The name of the control parameter to be assigned a float value. fval *fval will be the value currently assigned to the control parameter whose name is pointed to by pnam.Usagec_ftgetr is used to get values for…
c_ftgeti – retrieve an int valued parameter Function Prototypevoid c_ftgeti(char *, int *); Synopsisvoid c_ftgeti (pnam, ival); Descriptionpnam The name of the control parameter whose value is to be retrieved. ival *ival will be the value currently assigned to the control parameter whose nam.Usagec_ftgeti is a called to obtain current values for any of the…
c_ftgetfa_size – retrieve the size of an array Function Prototypeint c_ftgetfa_size(char *); Synopsisint c_ftgetfa_size (pnam); Descriptionpnam The name of the control parameter whose value is to be retrieved.Return Valuec_ftgetfa_size returns the size of the array (or returns a zero if an error occurs). Usagec_ftgetfa_size is a called to obtain current sizes for any of the…