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include <gset.h>
include <pkg/gtools.h>
include <math/nlfit.h>
include <pkg/inlfit.h>
define NGRAPH 100 # Number of fit points to graph
define MSIZE 3.0 # mark size for rejected points (real)
# ING_GRAPH -- Graph data and fit. First plot the data marking deleted
# points, then overplot rejected points, and finally overplot the fit.
procedure ing_graphr (in, gp, gt, nl, x, y, wts, npts, nvars)
pointer in # INLFIT pointer
pointer gp # GIO pointer
pointer gt # GTOOLS pointers
pointer nl # NLFIT pointer
real x[ARB] # Independent variables (npts * nvars)
real y[npts] # Dependent variables
real wts[npts] # Weights
int npts # Number of points
int nvars # Number of variables
pointer xout, yout
pointer sp
begin
# Alloacate axes data memory.
call smark (sp)
call salloc (xout, npts, TY_REAL)
call salloc (yout, npts, TY_REAL)
# Set axes data.
call ing_axesr (in, gt, nl, 1, x, y, Memr[xout], npts, nvars)
call ing_axesr (in, gt, nl, 2, x, y, Memr[yout], npts, nvars)
# Set graphic parameters.
call ing_paramsr (in, nl, x, y, wts, npts, nvars, gt)
# Plot data and deleted points.
call ing_g1r (in, gp, gt, Memr[xout], Memr[yout], wts, npts)
# Overplot rejected points.
call ing_g2r (in, gp, gt, Memr[xout], Memr[yout], npts)
# Overplot the fit.
call ing_gfr (in, gp, gt, nl, x, wts, npts, nvars)
# Free memory
call sfree (sp)
end
# ING_G1 - Plot data and deleted points (weight = 0.0).
procedure ing_g1r (in, gp, gt, x, y, wts, npts)
pointer in # INLFIT pointer
pointer gp # GIO pointer
pointer gt # GTOOLS pointer
real x[npts] # Ordinates
real y[npts] # Abscissas
real wts[npts] # Weights
int npts # Number of points
int i
pointer sp, xr, yr, xr1, yr1, gt1
int in_geti()
begin
# Allocate memory.
call smark (sp)
call salloc (xr, npts, TY_REAL)
call salloc (yr, npts, TY_REAL)
call salloc (xr1, 2, TY_REAL)
call salloc (yr1, 2, TY_REAL)
# Change type to real for plotting.
call achtrr (x, Memr[xr], npts)
call achtrr (y, Memr[yr], npts)
# Start new graph if not overplotting.
if (in_geti (in, INLOVERPLOT) == NO) {
call gclear (gp)
call gascale (gp, Memr[xr], npts, 1)
call gascale (gp, Memr[yr], npts, 2)
call gt_swind (gp, gt)
call gt_labax (gp, gt)
}
# Initialize auxiliaray GTOOLS descriptor for deleted points.
call gt_copy (gt, gt1)
call gt_sets (gt1, GTTYPE, "mark")
call gt_sets (gt1, GTMARK, "cross")
# Plot data points marking deleted points with other symbol.
Memr[xr1] = Memr[xr]
Memr[yr1] = Memr[yr]
do i = 1, npts {
if (wts[i] == real (0.0)) {
call gt_plot (gp, gt1, Memr[xr+i-1], Memr[yr+i-1], 1)
} else {
# Memr[xr1+1] = Memr[xr+i-1]
# Memr[yr1+1] = Memr[yr+i-1]
# call gt_plot (gp, gt, Memr[xr1], Memr[yr1], 2)
# Memr[xr1] = Memr[xr1+1]
# Memr[yr1] = Memr[yr1+1]
call gt_plot (gp, gt, Memr[xr+i-1], Memr[yr+i-1], 1)
}
}
# Reset overplot flag.
call in_puti (in, INLOVERPLOT, NO)
# Free memory and auxiliary GTOOLS descriptor.
call sfree (sp)
call gt_free (gt1)
end
# ING_G2 - Overplot rejected points.
procedure ing_g2r (in, gp, gt, x, y, npts)
pointer in # INLFIT pointer
pointer gp # GIO pointer
pointer gt # GTOOLS pointer
real x[npts], y[npts] # Data points
int npts # Number of data points
int i
pointer sp, xr, yr, gt1
pointer rejpts
int in_geti()
int in_getp()
begin
# Don't plot if there are no rejected points
if (in_geti (in, INLNREJPTS) == 0)
return
# Allocate axes memory.
call smark (sp)
call salloc (xr, npts, TY_REAL)
call salloc (yr, npts, TY_REAL)
# Change type to real for plotting.
call achtrr (x, Memr[xr], npts)
call achtrr (y, Memr[yr], npts)
# Initialize auxiliary GTOOLS descriptor
# for rejected points.
call gt_copy (gt, gt1)
call gt_sets (gt1, GTTYPE, "mark")
call gt_sets (gt1, GTMARK, "diamond")
call gt_setr (gt1, GTXSIZE, MSIZE)
call gt_setr (gt1, GTYSIZE, MSIZE)
# Plot rejected points if there are any.
rejpts = in_getp (in, INLREJPTS)
do i = 1, npts {
if (Memi[rejpts + i - 1] == YES)
call gt_plot (gp, gt1, Memr[xr + i - 1], Memr[yr + i - 1], 1)
}
# Free memory and auxiliary GTOOLS descriptor.
call gt_free (gt1)
call sfree (sp)
end
# ING_GF - Overplot the fit using dashed lines.
procedure ing_gfr (in, gp, gt, nl, xin, wts, npts, nvars)
pointer in # INLFIT pointer
pointer gp # GIO pointer
pointer gt # GTOOL pointer
pointer nl # NLFIT pointer
real xin[ARB] # Independent variables
real wts[npts] # weights
int npts # Number of points to plot
int nvars # Number of variables
int i
pointer sp, xr, yr, x, y, xo, yo, gt1
int in_geti()
begin
# Don't plot if there is a fit error.
if (in_geti (in, INLFITERROR) != DONE ||
in_geti (in, INLPLOTFIT) == NO)
return
# Allocate memory.
call smark (sp)
call salloc (xr, npts, TY_REAL)
call salloc (yr, npts, TY_REAL)
call salloc (x, npts * nvars, TY_REAL)
call salloc (y, npts, TY_REAL)
call salloc (xo, npts, TY_REAL)
call salloc (yo, npts, TY_REAL)
# Move input data into vector.
call amovr (xin, Memr[x], npts * nvars)
# Calculate vector of fit values.
call nlvectorr (nl, Memr[x], Memr[y], npts, nvars)
# Set axes data.
call ing_axesr (in, gt, nl, 1, Memr[x], Memr[y], Memr[xo],
npts, nvars)
call ing_axesr (in, gt, nl, 2, Memr[x], Memr[y], Memr[yo],
npts, nvars)
# Convert to real for plotting.
call achtrr (Memr[xo], Memr[xr], npts)
call achtrr (Memr[yo], Memr[yr], npts)
# Initialize auxiliary GTOOLS descriptor, plot the
# fit and free the auxiliary descriptor.
call gt_copy (gt, gt1)
call gt_sets (gt1, GTTYPE, "mark")
call gt_sets (gt1, GTMARK, "box")
call gt_setr (gt1, GTXSIZE, MSIZE)
call gt_setr (gt1, GTXSIZE, MSIZE)
do i = 1, npts {
if (wts[i] != real (0.0))
call gt_plot (gp, gt1, Memr[xr+i-1], Memr[yr+i-1], 1)
}
call gt_free (gt1)
# Free memory.
call sfree (sp)
end
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