Section 3: library functions
TDMTRI – Add triangles defining a 3D marker to the triangles in a triangle list. Synopsis CALL TDMTRI (IMRK, UMRK, VMRK, WMRK, SMRK, RTRI, MTRI, NTRI, IRST, UMIN, VMIN, WMIN, UMAX, VMAX, WMAX) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tdmtri(int imrk, float umrk, float vmrk, float wmrk, float smrk, float *rtri, int mtri, int *ntri, int…
TDLNPA – Given the coordinates of two points in the reference parallelogram, draw the projection of the line joining them. Synopsis CALL TDLNPA (XCP1, YCP1, XCP2, YCP2) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tdlnpa(float xcp1, float ycp1, float xcp2, float ycp2) Description The arguments of TDLNPA are as follows: XCP1 and YCP1 (input expressions of type…
TDLINE – Given the coordinates of two points in 3-space, draw the projection of the line joining them. Synopsis CALL TDLINE (UCP1, VCP1, WCP1, UCP2, VCP2, WCP2) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tdline(float ucp1, float vcp1, float wcp1, float ucp2, float vcp2, float wcp2) Description The arguments of TDLINE are as follows: UCP1, VCP1, and…
TDLBLS – Draw labels on selected sides of a projected box. This routine calls TDPARA and will therefore change the definition of the reference parallelogram; it also changes the value of the internal parameter ‘CS2’. Synopsis CALL TDLBLS (UMIN, VMIN, WMIN, UMAX, VMAX, WMAX, UNLB, VNLB, WNLB, UILB, VILB, WILB, IPCK) C-Binding Synopsis #include <ncarg/ncargC.h>…
TDLBLA – This routine is called to put labels on a particular edge of a box. Synopsis CALL TDLBLA (IAXS, ILBL, NLBL, XAT0, XAT1, YAT0, YAT1, ANGD) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tdlbla(int iaxs, char* ilbl, char* nlbl, float xat0, float xat1, float yat0, float yat1, float angd) Description It is assumed that TDPARA has…
TDITRI – Add triangles defining a simple surface to the triangles in a triangle list. Synopsis CALL TDITRI (U, NU, V, NV, W, NW, F, LF1D, LF2D, FISO, RTRI, MTRI, NTRI, IRST) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tditri(float *u, int nu, float *v, int nv, float *w, int nw, float *f, int lf1d, int lf2d,…
TDGTRS – Get the values defining a selected rendering style, which affects the appearance of triangles drawn by a call to the routine TDDTRI. Synopsis CALL TDGTRS (IRST, IFC1, IFC2, IFC3, IFC4, ILC1, ILC2, ILTD, USTP, VSTP, WSTP) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tdgtrs(int irst, int *ifc1, int *ifc2, int *ifc3, int *ifc4, int *ilc1,…
TDGRID – Draw a perimeter, optionally with ticks or grid lines, around the edges of the reference parallelogram defined by the last call to TDPARA. This routine is normally called indirectly (by virtue of a call to TDGRDS), but there is no reason why it should not be called directly. Synopsis CALL TDGRID (XBEG, XSTP,…
TDGRDS – Draw perimeters, optionally with ticks or grid lines, on the six sides of a box. This routine calls TDPARA and will therefore change the definition of the reference parallelogram. Synopsis CALL TDGRDS (UMIN, VMIN, WMIN, UMAX, VMAX, WMAX, USTP, VSTP, WSTP, IGRT, IHID) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tdgrds(float umin, float vmin, float…
TDGETR – Retrieves the real value of a Tdpack parameter. Synopsis CALL TDGETR (PNAM,RVAL) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tdgetr (char *pnam, float *rval) Description The arguments of TDGETR are as follows: PNAM (an input constant or variable of type CHARACTER) – The name of the parameter that you want to retrieve. The character string…
TDGETI – Retrieves the integer value of a Tdpack parameter. Synopsis CALL TDGETI (PNAM,IVAL) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tdgeti (char *pnam, int *ival) Description The arguments of TDGETI are as follows: PNAM (an input constant or variable of type CHARACTER) – The name of the parameter that you want to retrieve. The character string…
TDEZ3D – Provides a simplified interface to TDPACK for drawing isosurfaces. Synopsis CALL TDEZ3D(NX,NY,NZ,X,Y,Z,U,VALUE,RMULT,THETA,PHI,IST) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tdez3d (int nx, int ny, int nz, float *x, float *y, float *z, float *u, float value, float rmult, float theta, float phi, int ist) Description The arguments of TDEZ3D are as follows: NX (an input constant or…
TDEZ2D – Provides a simplified interface to TDPACK for drawing surfaces. Synopsis CALL TDEZ2D(NX,NY,X,Y,Z,RMULT,THETA,PHI,IST) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tdez3d (int nx, int ny, int nz, float *x, float *y, float *z, float *u, float value, float rmult, float theta, float phi, int ist) Description The arguments of TDEZ2D are as follows: NX (an input constant or…
TDDTRI – Draw the triangles defined by a triangle list. Synopsis CALL TDDTRI (RTRI, MTRI, NTRI, ITWK) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tddtri(float *rtri, int mtri, int *ntri, int *itwk) Description This routine draws the triangles defined by a triangle list. The triangles are drawn in the order specified by the contents of the permutation…
TDCTRI – Cut triangles defined by a triangle list. Synopsis CALL TDCTRI (RTRI, MTRI, NTRI, IAXS, RCUT) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tdctri(float *rtri, int mtri, int *ntri, int iaxs, float rcut) Description This routine, given a list of NTRI triangles in the array RTRI, an axis identifier IAXS (1 => U axis, 2 =>…
TDCLRS – Does GKS calls to define colors for TDPACK. Synopsis CALL TDCLRS (IWID, IBOW, SHDE, SHDR, IOFC, IOLC, ILMT) C-Binding Synopsis #include <ncarg/ncargC.h> void c_tdclrs(int iwid, int ibow, float shde, float shdr, int iofc, int iolc, int ilmt) Description This routine is called to do the GKS calls defining the following colors on a…
Surface_params – This document briefly describes the Surface internal parameters. Description There are no parameter access routines available for the Surface utility. Therefore, parameters must be set through the common blocks SRFBLK and SRFIP1. In order to access the internal parameters, you must declare the following common blocks for the Surface parameters in your code….
Surface – A utility for drawing perspective picture of a function of two variables with hidden lines removed. Synopsis EZSRFC – Draws a perspective picture of a function of two variables with hidden lines removed. The function is approximated by a two-dimensional array of heights. Use EZSRFC only if the entire array is to be…
SURF2 – 2D interpolation for gridded data Synopsis FUNCTION SURF2 (XX, YY, M, N, X, Y, Z, IZ, ZP, SIGMA) This function interpolates a surface value at a specified coordinate using bi-splines under tension. SURF1 must be called before invoking SURF2. The desired interpolated value is returned as the value of the function. Description XX…
SURF1 – calculate values for SURF2 usage. Synopsis CALL SURF1 (M, N, X, Y, Z, IZ, ZX1, ZXM, ZY1, ZYN, ZXY11, ZXYM1, ZXY1N, ZXYMN, ISLPSW, ZP, TEMP, SIGMA, IER) This subroutine calculates certain values that are used by SURF2 in order to compute an interpolatory surface passing through a rectangular grid of function values. The…