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include <error.h>
include <pkg/gtools.h>
include <mach.h>
include <gset.h>
include "hdicfit.h"
define HELP "noao$lib/scr/hdicgfit.key"
define PROMPT "hdicfit options"
define EB_WTS 10
define EB_SDEV 11
# ICG_FIT -- Interactive curve fitting with graphics. This is the main
# entry point for the interactive graphics part of the icfit package.
procedure icg_fitd (ic, gp, cursor, gt, cv, density, loge, owts, osdev, npts)
pointer ic # ICFIT pointer
pointer gp # GIO pointer
char cursor[ARB] # GIO cursor input
pointer gt # GTOOLS pointer
pointer cv # CURFIT pointer
double density[npts] # Original density, not fog subtracted
double loge[npts] # Original log exposure values
double owts[npts] # Original weights array
double osdev[npts] # Original standard deviation array
int npts # Number of points
real wx, wy, wwy, oldx, oldy
int wcs, key, nptso
char cmd[SZ_LINE]
int i, newgraph, axes[2], linetype
double x1, newwt
pointer userwts, x, y, wts, den, whydel, sdev, ebw
int clgcur(), stridxs(), scan(), nscan()
int icg_nearestd(), gstati()
double dcveval()
errchk ic_fitd, malloc
define redraw_ 91
begin
# Allocate memory for the fit and a copy of the weights.
# The weights are copied because they are changed when points are
# deleted. The input x is the untransformed density, and is used
# to generate other types of transforms. Points can be added to
# the sample, so the y array and weights array can change as well.
# The original number of points is also remembered.
call malloc (userwts, npts, TY_DOUBLE)
call malloc (x, npts, TY_DOUBLE)
call malloc (y, npts, TY_DOUBLE)
call malloc (wts, npts, TY_DOUBLE)
call malloc (den, npts, TY_DOUBLE)
call malloc (whydel, npts, TY_INT)
call malloc (sdev, npts, TY_DOUBLE)
call malloc (ebw, npts, TY_DOUBLE)
call amovd (owts, Memd[userwts], npts)
call amovd (owts, Memd[wts], npts)
call amovd (loge, Memd[y], npts)
call amovd (density, Memd[den], npts)
call amovki (NDELETE, Memi[whydel], npts)
call amovd (osdev, Memd[sdev], npts)
nptso = npts
# Initialize
IC_OVERPLOT(ic) = NO
IC_NEWX(ic) = YES
IC_NEWY(ic) = YES
IC_NEWWTS(ic) = YES
IC_NEWFUNCTION(ic) = YES
IC_NEWTRANSFORM(ic) = YES
IC_UPDATE(ic) = YES
IC_EBARS(ic) = EB_SDEV
# Read cursor commands.
key = 'f'
axes[1] = IC_AXES(ic, IC_GKEY(ic), 1)
axes[2] = IC_AXES(ic, IC_GKEY(ic), 2)
repeat {
switch (key) {
case '?': # Print help text.
call gpagefile (gp, HELP, PROMPT)
case 'q': # Terminate cursor loop
break
case ':': # List or set parameters
if (stridxs ("/", cmd) == 1)
call gt_colon (cmd, gp, gt, newgraph)
else
call icg_colond (ic, cmd, gp, gt, cv, Memd[x],
Memd[y], Memd[wts], npts)
if (IC_RESET(ic) == YES) {
npts = nptso
call amovd (owts, Memd[userwts], npts)
call amovd (owts, Memd[wts], npts)
call amovd (loge, Memd[y], npts)
call amovd (density, Memd[den], npts)
call amovki (NDELETE, Memi[whydel], npts)
call amovd (osdev, Memd[sdev], npts)
call hdic_init (density, npts, 0.0)
}
# See if user wants to quit without updating
if (IC_UPDATE(ic) == NO) {
call mfree (x, TY_DOUBLE)
call mfree (y, TY_DOUBLE)
call mfree (wts, TY_DOUBLE)
call mfree (userwts, TY_DOUBLE)
call mfree (den, TY_DOUBLE)
call mfree (sdev, TY_DOUBLE)
return
}
case 'a': # Add data points to the sample. This is only possible
# from an HD curve plot.
if ((IC_AXES (ic, IC_GKEY(ic), 1) == 'y') &&
(IC_AXES (ic, IC_GKEY(ic), 2) == 'u')) {
# Query for weight after plotting current location
# call gt_plot (gp, gt, wx, wy, 1)
call gmark (gp, wx, wy, GM_CIRCLE, 2.0, 2.0)
newwt = 1.0D0
call printf ("Enter weight of new point (%g): ")
call pargd (newwt)
call flush (STDOUT)
if (scan() != EOF) {
call pargd (x1)
if (nscan() == 1) {
if (!IS_INDEFD (x1)) {
newwt = x1
}
}
}
} else {
call eprintf ("Points can be added only from an HD Curve\n")
next
}
# Add fog into "density above fog" value read from cursor
wwy = wy + IC_FOG (ic)
if (wwy < 0.0) {
call eprintf (
"New density (%g) is below fog and will not be added\n")
call pargr (wwy)
next
}
# Add point into sample
call eprintf ("New Point: density above fog = %.4f, log ")
call pargr (wwy)
call eprintf ("exposure = %.4f, weight = %.4f\n")
call pargr (wx)
call pargd (newwt)
call hdic_addpoint (ic, wwy, wx, newwt, den, y, wts, userwts,
x, whydel, sdev, npts)
call realloc (ebw, npts, TY_DOUBLE)
call hdic_transform (ic, Memd[den], Memd[userwts], Memd[x],
Memd[wts], Memi[whydel], npts)
case 'c': # Print the positions of data points.
i = icg_nearestd (ic, gp, gt, cv, Memd[x], Memd[y], npts,
wx, wy)
if (i != 0) {
call printf ("den= %7.4g x= %7.4g exp= %7.4g fit= %7.4g")
call pargd (Memd[den+i-1])
call pargd (Memd[x+i-1])
call pargd (Memd[y+i-1])
call pargd (dcveval (cv, Memd[x+i-1]))
}
case 'd': # Delete data points.
call icg_deleted (ic, gp, gt, cv, Memd[x], Memd[y], Memd[wts],
npts, wx, wy)
case 'f': # Fit the function and reset the flags.
iferr {
# Copy new transformed vector, if necessary
if (IC_NEWTRANSFORM(ic) == YES || IC_NEWFOG(ic) == YES)
call hdic_transform (ic, Memd[den], Memd[userwts],
Memd[x], Memd[wts], Memi[whydel], npts)
call ic_fitd (ic, cv, Memd[x], Memd[y], Memd[wts], npts,
IC_NEWX(ic), IC_NEWY(ic), IC_NEWWTS(ic),
IC_NEWFUNCTION(ic))
IC_NEWX(ic) = NO
IC_NEWY(ic) = NO
IC_NEWWTS(ic) = NO
IC_NEWFUNCTION(ic) = NO
IC_NEWTRANSFORM(ic) = NO
IC_FITERROR(ic) = NO
IC_NEWFOG(ic) = NO
newgraph = YES
} then {
IC_FITERROR(ic) = YES
call erract (EA_WARN)
newgraph = NO
}
case 'g': # Set graph axes types.
call printf ("Graph key to be defined: ")
call flush (STDOUT)
if (scan() == EOF)
goto redraw_
call gargc (cmd[1])
switch (cmd[1]) {
case '\n':
case 'h', 'i', 'j', 'k', 'l':
switch (cmd[1]) {
case 'h':
key = 1
case 'i':
key = 2
case 'j':
key = 3
case 'k':
key = 4
case 'l':
key = 5
}
call printf ("Set graph axes types (%c, %c): ")
call pargc (IC_AXES(ic, key, 1))
call pargc (IC_AXES(ic, key, 2))
call flush (STDOUT)
if (scan() == EOF)
goto redraw_
call gargc (cmd[1])
switch (cmd[1]) {
case '\n':
default:
call gargc (cmd[2])
call gargc (cmd[2])
if (cmd[2] != '\n') {
IC_AXES(ic, key, 1) = cmd[1]
IC_AXES(ic, key, 2) = cmd[2]
}
}
default:
call printf ("Not a graph key")
}
case 'h':
if (IC_GKEY(ic) != 1) {
IC_GKEY(ic) = 1
newgraph = YES
}
case 'i':
if (IC_GKEY(ic) != 2) {
IC_GKEY(ic) = 2
newgraph = YES
}
case 'j':
if (IC_GKEY(ic) != 3) {
IC_GKEY(ic) = 3
newgraph = YES
}
case 'k':
if (IC_GKEY(ic) != 4) {
IC_GKEY(ic) = 4
newgraph = YES
}
case 'l':
if (IC_GKEY(ic) != 5) {
IC_GKEY(ic) = 5
newgraph = YES
}
case 'o': # Set overplot flag
IC_OVERPLOT(ic) = YES
case 'r': # Redraw the graph
newgraph = YES
case 'u': # Undelete data points.
call icg_undeleted (ic, gp, gt, cv, Memd[x], Memd[y],
Memd[wts], Memd[userwts], npts, wx, wy)
case 'w': # Window graph
call gt_window (gt, gp, cursor, newgraph)
case 'x': # Reset the value of the x point.
i = icg_nearestd (ic, gp, gt, cv, Memd[x], Memd[y], npts, wx,
wy)
if (i != 0) {
call printf ("Enter new x (%g): ")
call pargd (Memd[x+i-1])
call flush (STDOUT)
if (scan() != EOF) {
call gargd (x1)
if (nscan() == 1) {
if (!IS_INDEF (x1)) {
oldx = Memd[x+i-1]
oldy = Memd[y+i-1]
Memd[x+i-1] = x1
call hd_redraw (gp, oldx, oldy, x1, oldy)
IC_NEWX(ic) = YES
}
}
}
}
case 'y': # Reset the value of the y point.
i = icg_nearestd (ic, gp, gt, cv, Memd[x], Memd[y], npts, wx,
wy)
if (i != 0) {
call printf ("Enter new y (%g): ")
call pargd (Memd[y+i-1])
call flush (STDOUT)
if (scan() != EOF) {
call gargd (x1)
if (nscan() == 1) {
if (!IS_INDEF (x1)) {
oldx = Memd[x+i-1]
oldy = Memd[y+i-1]
Memd[y+i-1] = x1
call hd_redraw (gp, oldx, oldy, oldx, x1)
IC_NEWY(ic) = YES
}
}
}
}
case 'z': # Reset the weight value of the nearest point
i = icg_nearestd (ic, gp, gt, cv, Memd[x], Memd[y], npts, wx,
wy)
if (i != 0) {
call printf ("Enter new weight (%g): ")
call pargd (Memd[wts+i-1])
call flush (STDOUT)
if (scan() != EOF) {
call gargd (x1)
if (nscan() == 1) {
if (!IS_INDEF (x1)) {
Memd[wts+i-1] = x1
IC_NEWWTS(ic) = YES
}
}
}
}
default: # Let the user decide on any other keys.
call icg_user (ic, gp, gt, cv, wx, wy, wcs, key, cmd)
}
# Redraw the graph if necessary.
redraw_ if (newgraph == YES) {
if (IC_AXES(ic, IC_GKEY(ic), 1) != axes[1]) {
axes[1] = IC_AXES(ic, IC_GKEY(ic), 1)
call gt_setr (gt, GTXMIN, INDEF)
call gt_setr (gt, GTXMAX, INDEF)
}
if (IC_AXES(ic, IC_GKEY(ic), 2) != axes[2]) {
axes[2] = IC_AXES(ic, IC_GKEY(ic), 2)
call gt_setr (gt, GTYMIN, INDEF)
call gt_setr (gt, GTYMAX, INDEF)
}
# Overplot with a different line type
if (IC_OVERPLOT(ic) == YES)
linetype = min ((gstati (gp, G_PLTYPE) + 1), 4)
else
linetype = GL_SOLID
call gseti (gp, G_PLTYPE, linetype)
call hdic_ebw (ic, Memd[den], Memd[x], Memd[sdev], Memd[ebw],
npts)
call icg_graphd (ic, gp, gt, cv, Memd[x], Memd[y], Memd[wts],
Memd[ebw], npts)
newgraph = NO
}
} until (clgcur (cursor, wx, wy, wcs, key, cmd, SZ_LINE) == EOF)
call mfree (x, TY_DOUBLE)
call mfree (y, TY_DOUBLE)
call mfree (wts, TY_DOUBLE)
call mfree (userwts, TY_DOUBLE)
call mfree (den, TY_DOUBLE)
end
|
