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include <mach.h>
include <pkg/gtools.h>
include <pkg/igsfit.h>
define HELP "noao$lib/scr/igsfit.key"
define PROMPT "fitcoords surface fitting options"
# IGS_FIT1 -- Fit z = f(x, y)
procedure igs_fit1 (sf, gp, gplog, gt, axis, pts, npts, labels, interactive)
pointer sf # GSURFIT pointer
pointer gp # GIO pointer
pointer gplog # GIO pointer for plot log
pointer gt # GTOOLS pointer
int axis[2] # Axis definitions
real pts[npts, ARB] # Data
int npts # Number of pts points
char labels[SZ_LINE, ARB] # Identification labels
int interactive # Interactive?
extern igs_solve1()
begin
call igs_fit (sf, gp, gplog, gt, axis, pts, npts, labels, interactive,
igs_solve1)
end
# IGS_FIT2 -- Fit z = x + f(y)
procedure igs_fit2 (sf, gp, gplog, gt, axis, pts, npts, labels, interactive)
pointer sf # GSURFIT pointer
pointer gp # GIO pointer
pointer gplog # GIO pointer for plot log
pointer gt # GTOOLS pointer
int axis[2] # Axis definitions
real pts[npts, ARB] # Data
int npts # Number of pts points
char labels[SZ_LINE, ARB] # Identification labels
int interactive # Interactive?
extern igs_solve2()
begin
call igs_fit (sf, gp, gplog, gt, axis, pts, npts, labels, interactive,
igs_solve2)
end
# IGS_FIT3 -- Fit z = y + f(x)
procedure igs_fit3 (sf, gp, gplog, gt, axis, pts, npts, labels, interactive)
pointer sf # GSURFIT pointer
pointer gp # GIO pointer
pointer gplog # GIO pointer for plot log
pointer gt # GTOOLS pointer
int axis[2] # Axis definitions
real pts[npts, ARB] # Data
int npts # Number of pts points
char labels[SZ_LINE, ARB] # Identification labels
int interactive # Interactive?
extern igs_solve3()
begin
call igs_fit (sf, gp, gplog, gt, axis, pts, npts, labels, interactive,
igs_solve3)
end
# IGS_FIT -- Interactive surface fitting.
procedure igs_fit (sf, gp, gplog, gt, axis, pts, npts, labels, interactive, igs_solve)
pointer sf # GSURFIT pointer
pointer gp # GIO pointer
pointer gplog # GIO pointer for plot log
pointer gt # GTOOLS pointer
int axis[2] # Axis definitions
real pts[npts, ARB] # Data
int npts # Number of pts points
char labels[SZ_LINE, ARB] # Identification labels
int interactive # Interactive?
extern igs_solve() # Surface solution routine
int i, newgraph, ztype, dtype, refpt, refpt1
real zval, zval1
pointer wts
real wx, wy
int wcs, key
char cmd[SZ_LINE]
int clgcur(), gt_gcur(), igs_nearest(), igs_nearestd(), igs_nearestu()
errchk igs_solve
include "igsfit.com"
begin
# Compute a solution and set the residuals.
call igs_solve (sf, pts[1,X], pts[1,Y], pts[1,Z], pts[1,W], npts)
call xgsvector (sf, pts[1,X], pts[1,Y], pts[1,S], npts)
call asubr (pts[1,Z], pts[1,S], pts[1,R], npts)
call aavgr (pts[1,R], npts, mean, rms)
call igs_params (gt)
# Return if not interactive.
ztype = INDEFI
if ((gp == NULL) || (interactive == NO))
goto 30
call malloc (wts, npts, TY_REAL)
call amovr (pts[1,W], Memr[wts], npts)
call igs_graph (gp, gt, ztype, refpt, axis, pts, npts, labels)
newgraph = NO
# Read cursor commands.
10 while (gt_gcur ("cursor", wx, wy, wcs, key, cmd, SZ_LINE) != EOF) {
switch (key) {
case '?':
# Print help text.
call gpagefile (gp, HELP, PROMPT)
case ':':
# List or set parameters
if (cmd[1] == '/')
call gt_colon (cmd, gp, gt, newgraph)
else
call igs_colon (cmd, gp, sf)
# Set abscissa
case 'x':
call printf ("Select abscissa (x, y, z, s, r): ")
if (clgcur ("cursor", wx, wy, wcs, key, cmd, SZ_LINE) == EOF)
goto 10
call printf ("\n")
switch (key) {
case 'x':
i = X
case 'y':
i = Y
case 'z':
i = Z
case 's':
i = S
case 'r':
i = R
default:
call printf ("\07\n")
goto 10
}
if (axis[1] != i) {
axis[1] = i
call gt_setr (gt, GTXMIN, INDEF)
call gt_setr (gt, GTXMAX, INDEF)
}
# Set ordinate
case 'y':
call printf ("Select ordinate (x, y, z, s, r): ")
if(clgcur ("cursor", wx, wy, wcs, key, cmd, SZ_LINE) == EOF)
goto 10
call printf ("\n")
switch (key) {
case 'x':
i = X
case 'y':
i = Y
case 'z':
i = Z
case 's':
i = S
case 'r':
i = R
default:
call printf ("\07\n")
goto 10
}
if (axis[2] != i) {
axis[2] = i
call gt_setr (gt, GTYMIN, INDEF)
call gt_setr (gt, GTYMAX, INDEF)
}
case 'r':
newgraph = YES
case 'z':
if (IS_INDEFI (ztype)) {
refpt = igs_nearest (gp, ztype, refpt, axis, pts, npts, wx,
wy, wcs)
call printf ("Zoom type (x, y, z): ")
if (clgcur ("cursor",wx,wy,wcs,key,cmd,SZ_LINE) == EOF)
goto 10
call printf ("\n")
switch (key) {
case 'x':
ztype = X
case 'y':
ztype = Y
case 'z':
ztype = Z
default:
call printf ("\07\n")
goto 10
}
newgraph = YES
}
case 'p':
if (!IS_INDEFI (ztype)) {
ztype = INDEFI
newgraph = YES
}
case 'l':
if (!IS_INDEFI (ztype)) {
refpt1 = 0
zval = pts[refpt, ztype]
zval1 = -MAX_REAL
do i = 1, npts {
if ((pts[i,ztype] < zval) && (pts[i,ztype] > zval1)) {
refpt1 = i
zval1 = pts[refpt1,ztype]
}
}
if (refpt1 != 0) {
refpt = refpt1
newgraph = YES
}
}
case 'n':
if (!IS_INDEFI (ztype)) {
refpt1 = 0
zval = pts[refpt, ztype]
zval1 = MAX_REAL
do i = 1, npts {
if ((pts[i,ztype] > zval) && (pts[i,ztype] < zval1)) {
refpt1 = i
zval1 = pts[refpt1,ztype]
}
}
if (refpt1 != 0) {
refpt = refpt1
newgraph = YES
}
}
case 'c':
# cursor read
i = igs_nearest (gp, ztype, refpt, axis, pts, npts, wx, wy, wcs)
call printf ("%g %g %g %g %g %g\n")
call pargr (pts[i, X])
call pargr (pts[i, Y])
call pargr (pts[i, Z])
call pargr (pts[i, W])
call pargr (pts[i, S])
call pargr (pts[i, R])
case 'd':
i = igs_nearestd (gp, ztype, refpt, axis, pts, npts, wx, wy,
wcs)
if (i == 0)
goto 10
call gscur (gp, real (pts[i,axis[1]]), real (pts[i,axis[2]]))
call printf ( "Delete 'p'oint or constant 'x', 'y', or 'z': ")
if (clgcur ("cursor", wx, wy, wcs, key, cmd, SZ_LINE) == EOF)
goto 10
call printf ("\n")
switch (key) {
case 'p':
dtype = 0
case 'x':
dtype = X
case 'y':
dtype = Y
case 'z':
dtype = Z
default:
call printf ("\07\n")
goto 10
}
call igs_delete (gp, gt, ztype, i, axis, pts, npts, dtype)
case 'u':
i = igs_nearestu (gp, ztype, refpt, axis, pts, npts, wx, wy,
wcs)
if (i == 0)
goto 10
call gscur (gp, real (pts[i,axis[1]]), real (pts[i,axis[2]]))
call printf ( "Undelete 'p'oint or constant 'x', 'y', or 'z': ")
if (clgcur ("cursor", wx, wy, wcs, key, cmd, SZ_LINE) == EOF)
goto 10
call printf ("\n")
switch (key) {
case 'p':
dtype = 0
case 'x':
dtype = X
case 'y':
dtype = Y
case 'z':
dtype = Z
default:
call printf ("\07\n")
goto 10
}
call igs_undelete (gp, gt, ztype, i, axis, pts, Memr[wts],
npts, dtype)
case 'f':
#call printf ("Fitting ...")
#call flush (STDOUT)
call igs_solve (sf,pts[1,X],pts[1,Y],pts[1,Z],pts[1,W],npts)
call xgsvector (sf, pts[1,X], pts[1,Y], pts[1,S], npts)
call asubr (pts[1,Z], pts[1,S], pts[1,R], npts)
call aavgr (pts[1,R], npts, mean, rms)
call igs_params (gt)
newgraph = YES
case 'w':
call gt_window (gt, gp, "cursor", newgraph)
case 'I':
call fatal (0, "Interrupt")
default:
# Ring the bell.
call printf ("\07\n")
}
if (newgraph == YES) {
call igs_graph (gp, gt, ztype, refpt, axis, pts, npts, labels)
newgraph = NO
}
}
call mfree (wts, TY_REAL)
30 call igs_graph (gplog, gt, ztype, refpt, axis, pts, npts, labels)
end
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