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|
include <error.h>
include <imhdr.h>
include <gset.h>
include <pkg/gtools.h>
include <smw.h>
include <units.h>
define KEY "noao$onedspec/splot/splot.key"
define HELP "noao$onedspec/splot/stshelp.key"
define PROMPT "splot options"
define OPTIONS ",auto,zero,xydraw,histogram,nosysid,wreset,flip,overplot,"
define NOPTIONS 8
define AUTO 1 # Option number for auto graph
define ZERO 2 # Option number of zero y minimum
define XYDRAW 3 # Draw connection X,Y pairs
define HIST 4 # Draw histogram style lines
define NOSYSID 5 # Don't include system id
define WRESET 6 # Reset window for each new spectrum
define FLIP 7 # Flip spectra
define OVERPLOT 8 # Overplot toggle
# SPLOT -- Plot an image line and play with it - Most appropriate for spectra
procedure splot ()
int list
int i, j, npts, nline, nband, nap
int wc, key, keyu
real wx, wy
double w1, u1, w2, u2, w0, wpc
real avg_pix, sigma_pix
int fd1, fd2, ng, hline, hlines
int newgraph, newimage, overplot, options[NOPTIONS]
pointer sp, image, units, units1, units2, units3, cmd, save1, save2
pointer gp, gt, im, mw, x, y, sh, xg, yg, sg, lg, pg, hptr
bool wave_scl, fnu
pointer gopen(), gt_init()
int clgcur(), imtopen(), imtgetim(), imaccess(), gt_geti(), nowhite()
real clgetr(), gt_getr()
double clgetd(), shdr_wl()
bool streq(), fp_equald()
errchk getimage, fun_do, ans_hdr, un_changer
begin
call smark (sp)
call salloc (image, SZ_FNAME, TY_CHAR)
call salloc (units, SZ_FNAME, TY_CHAR)
call salloc (units1, SZ_FNAME, TY_CHAR)
call salloc (units2, SZ_FNAME, TY_CHAR)
call salloc (units3, SZ_FNAME, TY_CHAR)
call salloc (cmd, SZ_FNAME, TY_CHAR)
call salloc (save1, SZ_FNAME, TY_CHAR)
call salloc (save2, SZ_FNAME, TY_CHAR)
# Get task parameters.
call clgstr ("images", Memc[image], SZ_FNAME)
list = imtopen (Memc[image])
call clgstr ("save_file", Memc[save1], SZ_FNAME)
call clgstr ("options", Memc[save2], SZ_FNAME)
call xt_gids (Memc[save2], OPTIONS, options, NOPTIONS)
call clgstr ("units", Memc[units], SZ_FNAME)
call mktemp ("tmp$splot", Memc[save2], SZ_FNAME)
# Allocate space for User area
x = NULL
y = NULL
# Initialize
im = NULL
sh = NULL
fd1 = NULL
fd2 = NULL
hptr = NULL
ng = 0
hline = 1
nline = 0
nband = 0
nap = 0
if (nowhite (Memc[units], Memc[units1], SZ_FNAME) == 0)
call strcpy ("display", Memc[units], SZ_FNAME)
call strcpy (Memc[units], Memc[units1], SZ_FNAME)
call strcpy (Memc[units], Memc[units2], SZ_FNAME)
w0 = INDEFD
wpc = INDEFD
call clgstr ("graphics", Memc[cmd], SZ_FNAME)
gp = gopen (Memc[cmd], NEW_FILE+AW_DEFER, STDGRAPH)
call gseti (gp, G_WCS, 1)
# call gseti (gp, G_YNMINOR, 0)
gt = gt_init()
call gt_setr (gt, GTXMIN, clgetr ("xmin"))
call gt_setr (gt, GTXMAX, clgetr ("xmax"))
call gt_setr (gt, GTYMIN, clgetr ("ymin"))
call gt_setr (gt, GTYMAX, clgetr ("ymax"))
if (options[ZERO] == YES)
call gt_setr (gt, GTYMIN, 0.)
if (options[HIST] == YES)
call gt_sets (gt, GTTYPE, "histogram")
else
call gt_sets (gt, GTTYPE, "line")
call gt_seti (gt, GTXFLIP, options[FLIP])
if (options[NOSYSID] == YES)
call gt_seti (gt, GTSYSID, NO)
while (imtgetim (list, Memc[image], SZ_FNAME) != EOF) {
# Initialize to plot a wavelength scale
wave_scl = true
# Open image and get pixels
if (imaccess (Memc[image], READ_ONLY) == NO) {
call eprintf ("Can't get image %s\n")
call pargstr (Memc[image])
next
}
call getimage (Memc[image], nline, nband, nap, wave_scl,
w0, wpc, Memc[units], im, mw, sh, gt)
x = SX(sh)
y = SY(sh)
npts = SN(sh)
newimage = YES
overplot = options[OVERPLOT]
# Enter cursor loop with 'r' redraw.
key = 'r'
repeat {
switch (key) {
case ':':
if (Memc[cmd] == '/')
call gt_colon (Memc[cmd], gp, gt, newgraph)
else {
call splot_colon (Memc[cmd], options, gp, gt, sh,
wx, wy, Memc[units], Memc[save1], Memc[save2],
fd1, fd2, newgraph)
overplot = options[OVERPLOT]
if (sh == NULL) {
call getimage (Memc[image], nline, nband, nap,
wave_scl, w0, wpc, Memc[units], im, mw, sh, gt)
x = SX(sh)
y = SY(sh)
npts = SN(sh)
newgraph = YES
newimage = YES
}
}
case 'a': # Autoexpand
call auto_exp (gp, gt, key, wx, Memr[x], Memr[y], npts)
case 'b': # Toggle base to 0.0
if (options[ZERO] == NO) {
call gt_setr (gt, GTYMIN, 0.)
options[ZERO] = YES
} else {
call gt_setr (gt, GTYMIN, INDEF)
options[ZERO] = NO
}
newgraph = options[AUTO]
overplot = NO
case 'c':
call gt_setr (gt, GTXMIN, INDEF)
call gt_setr (gt, GTXMAX, INDEF)
call gt_setr (gt, GTYMIN, INDEF)
call gt_setr (gt, GTYMAX, INDEF)
if (options[ZERO] == YES)
call gt_setr (gt, GTYMIN, 0.)
newgraph = YES
overplot = NO
case 'd': # De-blend a group of lines
call ans_hdr (sh, newimage, key, Memc[save1], Memc[save2],
fd1, fd2)
call sp_deblend (sh, gp, wx, wy, Memr[x], Memr[y], npts,
fd1, fd2, xg, yg, sg, lg, pg, ng)
newimage = NO
case 'k': # Fit gaussian
call ans_hdr (sh, newimage, key, Memc[save1], Memc[save2],
fd1, fd2)
call gfit (sh, gp, wx, wy, Memr[x], Memr[y], npts,
fd1, fd2, xg, yg, sg, lg, pg, ng)
newimage = NO
case 'e': # Equivalent width
call ans_hdr (sh, newimage, key, Memc[save1], Memc[save2],
fd1, fd2)
call eqwidth (sh, gp, wx, wy, Memr[x], Memr[y], npts,
fd1, fd2)
newimage = NO
case 'v':
iferr {
if (UN_CLASS(UN(sh)) == UN_VEL) {
call strcpy (Memc[units1], Memc[units], SZ_FNAME)
call strcpy (Memc[units2], Memc[units3], SZ_FNAME)
} else {
call strcpy (Memc[units], Memc[units1], SZ_FNAME)
call strcpy (UNITS(sh), Memc[units2], SZ_FNAME)
call un_changer (UN(sh), "angstroms", wx, 1, NO)
call sprintf (Memc[units], SZ_FNAME,
"km/s %g angstroms")
call pargr (wx)
call strcpy (Memc[units], Memc[units3], SZ_FNAME)
}
wx = gt_getr (gt, GTXMIN)
if (!IS_INDEF(wx)) {
call un_changer (UN(sh), Memc[units3], wx, 1, NO)
call gt_setr (gt, GTXMIN, wx)
}
wx = gt_getr (gt, GTXMAX)
if (!IS_INDEF(wx)) {
call un_changer (UN(sh), Memc[units3], wx, 1, NO)
call gt_setr (gt, GTXMAX, wx)
}
call un_changer (UN(sh), Memc[units3], Memr[x], npts,
YES)
call gt_sets (gt, GTXLABEL, UN_LABEL(UN(sh)))
call gt_sets (gt, GTXUNITS, UN_UNITS(UN(sh)))
newgraph = YES
overplot = NO
} then
call erract (EA_WARN)
case 'h': # Equivalent widths -- C. Pilachowski style
call ans_hdr (sh, newimage, key, Memc[save1], Memc[save2],
fd1, fd2)
repeat {
switch (key) {
case 'a', 'b', 'c': # Continuum at cursor width at 1/2
call eqwidth_cp (sh, gp, wx, wy, INDEF,
Memr[y], npts, key, fd1, fd2, xg, yg, sg,
lg, pg, ng)
break
case 'l', 'r', 'k': # Continuum at 1
call eqwidth_cp (sh, gp, wx, 1., wy,
Memr[y], npts, key, fd1, fd2, xg, yg, sg,
lg, pg, ng)
break
default:
call printf (
"Set cursor and type a, b, c, l, r, or k:")
}
} until (clgcur ("cursor", wx, wy, wc, key, Memc[cmd],
SZ_FNAME) == EOF)
newimage = NO
case 'o': # Set overplot
overplot = YES
case 'g', '#', '%', '(', ')': # Get new image to plot
i = nline
j = nband
switch (key) {
case '(':
if (IM_LEN(im,2) > 1) {
nline = max (1, min (IM_LEN(im,2), nline-1))
nap = INDEFI
} else if (IM_LEN(im,3) > 1) {
nband = max (1, min (IM_LEN(im,3), nband-1))
}
case ')':
if (IM_LEN(im,2) > 1) {
nline = max (1, min (IM_LEN(im,2), nline+1))
nap = INDEFI
} else if (IM_LEN(im,3) > 1) {
nband = max (1, min (IM_LEN(im,3), nband+1))
}
case '#':
nline = 0
case '%':
nband = 0
default:
call clgstr ("next_image", Memc[cmd], SZ_FNAME)
if (streq (Memc[image], Memc[cmd])) {
call shdr_close (sh)
} else if (imaccess (Memc[cmd], READ_ONLY) == YES) {
call shdr_close (sh)
call smw_close (mw)
call imunmap (im)
newimage = YES
} else {
call eprintf ("Can't get %s\n")
call pargstr (Memc[cmd])
next
}
call strcpy (Memc[cmd], Memc[image], SZ_FNAME)
nline = 0
nband = 0
}
call getimage (Memc[image], nline, nband, nap, wave_scl,
w0, wpc, Memc[units], im, mw, sh, gt)
x = SX(sh)
y = SY(sh)
npts = SN(sh)
if (options[WRESET] == YES && overplot == NO) {
call gt_setr (gt, GTXMIN, clgetr ("xmin"))
call gt_setr (gt, GTXMAX, clgetr ("xmax"))
call gt_setr (gt, GTYMIN, clgetr ("ymin"))
call gt_setr (gt, GTYMAX, clgetr ("ymax"))
if (options[ZERO] == YES)
call gt_setr (gt, GTYMIN, 0.)
}
if (nline != i || nband != j)
newimage = YES
newgraph = YES
case 'w': # Window the graph
call gt_window (gt, gp, "cursor", newgraph)
if (newgraph == YES) {
newgraph = options[AUTO]
overplot = NO
}
case 'l': # Convert to f-lambda - issue warning if not a
# calibrated image
if (FC(sh) == FCNO)
call eprintf (
"Warning: (>flam) spectrum not calibrated\n")
call conflam (sh)
call gt_setr (gt, GTYMIN, INDEF)
call gt_setr (gt, GTYMAX, INDEF)
if (options[ZERO] == YES)
call gt_setr (gt, GTYMIN, 0.)
newgraph = options[AUTO]
overplot = NO
case 'f': # Function operators
call fun_help ()
while (clgcur ("cursor", wx, wy, wc, key, Memc[cmd],
SZ_FNAME) != EOF) {
switch (key) {
case '?':
call fun_help ()
case 'q':
break
case 'I':
call fatal (0, "Interrupt")
default:
iferr {
call fun_do (key, sh, Memr[y], npts, w0, wpc)
call gt_setr (gt, GTYMIN, INDEF)
call gt_setr (gt, GTYMAX, INDEF)
if (options[ZERO] == YES)
call gt_setr (gt, GTYMIN, 0.)
if (options[AUTO] == YES)
call replot (gp, gt, Memr[x], Memr[y],
npts, YES)
overplot = NO
call fun_help ()
} then {
call erract (EA_WARN)
call tsleep (2)
call fun_help ()
}
}
}
call printf ("\n")
case 'm': # Signal-to-noise
call ans_hdr (sh, newimage, key, Memc[save1], Memc[save2],
fd1, fd2)
call avgsnr (sh, wx, wy, Memr[y], npts, fd1, fd2)
newimage = NO
case 'n': # Convert to f-nu
if (FC(sh) == FCNO)
call eprintf (
"Warning: (>fnu) spectrum not calibrated\n")
call confnu (sh)
call gt_setr (gt, GTYMIN, INDEF)
call gt_setr (gt, GTYMAX, INDEF)
if (options[ZERO] == YES)
call gt_setr (gt, GTYMIN, 0.)
newgraph = options[AUTO]
overplot = NO
case 'q':
if (options[WRESET] == YES) {
call gt_setr (gt, GTXMIN, clgetr ("xmin"))
call gt_setr (gt, GTXMAX, clgetr ("xmax"))
call gt_setr (gt, GTYMIN, clgetr ("ymin"))
call gt_setr (gt, GTYMAX, clgetr ("ymax"))
if (options[ZERO] == YES)
call gt_setr (gt, GTYMIN, 0.)
}
if (nline != i || nband != j)
newimage = YES
newgraph = YES
break
case 'r': # Replot
newgraph = YES
overplot = NO
case 's': # Smooth
call smooth (Memr[y], npts)
newgraph = options[AUTO]
case 't': # FlaTTen spectrum
call flatten (gp, gt, Memr[x], Memr[y], npts)
call gt_setr (gt, GTYMIN, INDEF)
call gt_setr (gt, GTYMAX, INDEF)
if (options[ZERO] == YES)
call gt_setr (gt, GTYMIN, 0.)
newgraph = options[AUTO]
overplot = NO
case 'p', 'u': # Set user coordinates
if (!wave_scl) {
call shdr_system (sh, "world")
wave_scl = true
call gt_sets (gt, GTXLABEL, UN_LABEL(UN(sh)))
call gt_sets (gt, GTXUNITS, UN_UNITS(UN(sh)))
}
switch (key) {
case 'p':
keyu = 'l'
w1 = Memr[x]
u1 = clgetd ("wstart")
w2 = Memr[x+npts-1]
u2 = clgetd ("wend")
if (IS_INDEFD(u1)) {
u1 = clgetd ("dw")
u1 = u2 - (npts - 1) * u1
} else if (IS_INDEFD(u2)) {
u2 = clgetd ("dw")
u2 = u1 + (npts - 1) * u2
}
case 'u':
call printf (
"Set cursor and select correction: d(oppler), z(eropoint), l(inear)\n")
call flush (STDOUT)
i = clgcur ("cursor", wx, wy, wc, keyu, Memc[cmd],
SZ_FNAME)
w1 = wx
u1 = clgetd ("wavelength")
if (keyu == 'l') {
repeat {
call printf ("Set cursor to second position:")
call flush (STDOUT)
i = clgcur ("cursor", wx, wy, wc, key,
Memc[cmd], SZ_FNAME)
w2 = wx
if (!fp_equald (w1, w2)) {
u2 = clgetd ("wavelength")
break
}
call printf ("Cursor not moved: ")
}
}
}
call usercoord (sh, keyu, w1, u1, w2, u2)
w0 = Memr[x]
wpc = Memr[x+1] - w0
call gt_setr (gt, GTXMIN, INDEF)
call gt_setr (gt, GTXMAX, INDEF)
call gt_sets (gt, GTXLABEL, UN_LABEL(UN(sh)))
call gt_sets (gt, GTXUNITS, UN_UNITS(UN(sh)))
newgraph = options[AUTO]
overplot = NO
case 'i': # Write image spectrum out
call sp_wrspect (sh)
im = IM(sh)
mw = MW(sh)
case 'j': # Fudge (fix) a data point
call fudgept (sh, gp, Memr[x], Memr[y], npts, wx, wy)
case 'x': # Fudge eXtended over a line
call fudgex (sh, gp, Memr[x], Memr[y], npts, wx, wy,
options[XYDRAW])
case 'y': # Over plot standard star data
# Estimate data is fnu or flambda: cutoff around dexp[-20]
fnu = false
call aavgr (Memr[y], npts, avg_pix, sigma_pix)
if (log10 (avg_pix) < -19.5)
fnu = true
call plot_std (sh, gp, fnu)
call printf ("\n")
case 'z': # Zoom x region to larger range
call auto_exp (gp, gt, key, wx, Memr[x], Memr[y], npts)
case '-': # Subtract deblended fit
call subblend (sh, gp, Memr[x], Memr[y], npts, wx, wy,
xg, yg, sg, lg, pg, ng)
case '.': # Slide upward
call auto_exp (gp, gt, key, wx, Memr[x], Memr[y], npts)
case ',': # Slide downward
call auto_exp (gp, gt, key, wx, Memr[x], Memr[y], npts)
case '$': # Toggle wavelength scale
if (wave_scl) {
call shdr_system (sh, "physical")
wave_scl = false
call gt_sets (gt, GTXLABEL, "Pixel")
call gt_sets (gt, GTXUNITS, "")
} else {
call shdr_system (sh, "world")
wave_scl = true
call gt_sets (gt, GTXLABEL, UN_LABEL(UN(sh)))
call gt_sets (gt, GTXUNITS, UN_UNITS(UN(sh)))
}
call gt_setr (gt, GTXMIN, INDEF)
call gt_setr (gt, GTXMAX, INDEF)
call gt_setr (gt, GTYMIN, INDEF)
call gt_setr (gt, GTYMAX, INDEF)
if (options[ZERO] == YES)
call gt_setr (gt, GTYMIN, 0.)
newgraph = options[AUTO]
overplot = NO
case '/': # Help on status line
call sts_help (hline, hlines, HELP, hptr)
hline = mod (hline, hlines) + 1
case '?': # Help screen
call gpagefile (gp, KEY, PROMPT)
case 'I': # Interrupt
call fatal (0, "Interrupt")
default: # Default - print cursor info
i = max (1, min (npts, nint (shdr_wl (sh, double(wx)))))
call printf ("x,y,z(x): %10.3f %10.4g %10.4g\n")
call pargr (wx)
call pargr (wy)
call pargr (Memr[y+i-1])
}
if (newgraph == YES) {
if (overplot == YES) {
call printf ("Overplotting: %s")
call pargstr (Memc[image])
if (nline > 0) {
if (nband > 0) {
call printf ("(%d,%d)")
call pargi (nline)
call pargi (nband)
} else {
call printf ("(%d)")
call pargi (nline)
}
}
call flush (STDOUT)
i = gt_geti (gt, GTLINE)
j = gt_geti (gt, GTCOLOR)
if (options[OVERPLOT] == NO) {
call gt_seti (gt, GTLINE, i+1)
call gt_seti (gt, GTCOLOR, j+1)
}
call replot (gp, gt, Memr[x], Memr[y], npts, NO)
call gt_seti (gt, GTLINE, i)
call gt_seti (gt, GTCOLOR, j)
} else
call replot (gp, gt, Memr[x], Memr[y], npts, YES)
newgraph = NO
overplot = options[OVERPLOT]
}
} until (clgcur ("cursor",wx,wy,wc,key,Memc[cmd],SZ_FNAME) == EOF)
if (im != ERR) {
call shdr_close (sh)
call smw_close (mw)
call imunmap (im)
}
}
call gclose (gp)
if (fd1 != NULL)
call close (fd1)
if (fd2 != NULL) {
call close (fd2)
call delete (Memc[save2])
}
if (hptr != NULL)
call mfree (hptr, TY_CHAR)
if (ng > 0) {
call mfree (xg, TY_REAL)
call mfree (yg, TY_REAL)
call mfree (sg, TY_REAL)
call mfree (lg, TY_REAL)
call mfree (pg, TY_INT)
}
call smw_daxis (NULL, NULL, 0, 0, 0)
call gt_free (gt)
call imtclose (list)
end
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