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include <imio.h>
include <mach.h>
include <mwset.h>
include <pkg/dttext.h>
include <pkg/igsfit.h>
# FC_GETCOORDS -- Get feature coordinates for the specified axis and list
# of images. Determine the image dimensions.
procedure fc_getcoords (database, list, axis, xmin, xmax, ymin, ymax,
coords, ncoords, labels, un)
char database[ARB] # Database
int list # List of images
int axis # Image axis
real xmin, xmax # Image X limits
real ymin, ymax # Image Y limits
pointer coords # Coordinate data pointer
pointer ncoords # Number of coordinate points
char labels[SZ_LINE,IGSPARAMS] # Axis labels
pointer un # Units pointer
char image1[SZ_FNAME], image2[SZ_FNAME], root[SZ_FNAME], units[SZ_FNAME]
int i, j, rec, index, imin, imax, nfeatures, ntotal
real value, wt, ltm[2,2], ltv[2]
pointer dt, im, mw, ct, x, y, user
int fc_getim(), dtgeti(), dtscan(), mw_stati()
real mw_c1tranr()
bool strne()
pointer dtmap1(), immap(), mw_openim(), mw_sctran(), un_open()
errchk dtmap1, dtgstr, immap
begin
x = NULL
ncoords = 0
ntotal = 0
axis = 0
imin = MAX_INT
imax = -MAX_INT
un = NULL
while (fc_getim (list, image1, SZ_FNAME) != EOF) {
call strcpy ("id", root, SZ_FNAME)
call imgcluster (image1, root[3], SZ_FNAME-2)
dt = dtmap1 (database, root, READ_ONLY)
do rec = 1, DT_NRECS(dt) {
iferr (call dtgstr (dt, rec, "task", image2, SZ_FNAME))
next
if (strne ("identify", image2))
next
call dtgstr (dt, rec, "image", image2, SZ_FNAME)
call get_root (image2, root, SZ_FNAME)
if (strne (image1, root))
next
# Map the 1D image section and determine the axis, the
# line or column in the 2D image, and the 2D image size.
im = immap (image2, READ_ONLY, 0)
j = IM_VMAP(im, 1)
switch (j) {
case 1:
index = IM_VOFF (im, 2) + 1
case 2:
index = IM_VOFF (im, 1) + 1
}
imin = min (imin, index)
imax = max (imax, index)
xmin = 1.
xmax = IM_SVLEN (im, 1)
ymin = 1.
ymax = IM_SVLEN (im, 2)
if (axis == 0)
axis = j
if (j != axis) {
call imunmap (im)
call eprintf (
"Warning: Fit axes don't agree for combine option. Ignoring %s.\n")
call pargstr (image1)
break
}
# Set the WCS to convert the feature positions from
# IDENTIFY/REIDENTIFY which are in "physical" coordinates
# to "logical" coordinates currently used by TRANSFORM.
mw = mw_openim (im)
call mw_seti (mw, MW_USEAXMAP, NO)
i = mw_stati (mw, MW_NPHYSDIM)
call mw_gltermr (mw, ltm, ltv, i)
if (ltm[1,1] == 0. && ltm[2,2] == 0.) {
ltm[1,1] = ltm[2,1]
ltm[2,1] = 0.
ltm[2,2] = ltm[1,2]
ltm[1,2] = 0.
call mw_sltermr (mw, ltm, ltv, i)
} else if (ltm[1,2] != 0. || ltm[2,1] != 0.) {
ltv[1] = 0.
ltv[2] = 0.
ltm[1,1] = 1.
ltm[2,1] = 0.
ltm[2,2] = 1.
ltm[1,2] = 0.
call mw_sltermr (mw, ltm, ltv, i)
}
call mw_seti (mw, MW_USEAXMAP, YES)
ct = mw_sctran (mw, "physical", "logical", 1)
# Allocate memory for the feature information and read
# the database.
ifnoerr (call dtgstr (dt, rec, "units", units, SZ_FNAME))
un = un_open (units)
nfeatures = dtgeti (dt, rec, "features")
if (x == NULL) {
call malloc (x, nfeatures, TY_REAL)
call malloc (y, nfeatures, TY_REAL)
call malloc (user, nfeatures, TY_REAL)
} else {
call realloc (x, ncoords+nfeatures, TY_REAL)
call realloc (y, ncoords+nfeatures, TY_REAL)
call realloc (user, ncoords+nfeatures, TY_REAL)
}
do i = 1, nfeatures {
j = dtscan (dt)
call gargr (value)
switch (axis) {
case 1:
Memr[x+ncoords] = mw_c1tranr (ct, value)
Memr[y+ncoords] = index
case 2:
Memr[x+ncoords] = index
Memr[y+ncoords] = mw_c1tranr (ct, value)
}
call gargr (value)
call gargr (value)
call gargr (wt)
call gargr (wt)
call gargr (wt)
if (!IS_INDEF (value) && wt > 0.) {
Memr[user+ncoords] = value
ncoords = ncoords + 1
}
ntotal = ntotal + 1
}
call mw_close (mw)
call imunmap (im)
}
# Finish up
call dtunmap (dt)
}
# Set coordinates. Take error action if no features are found.
if (ncoords > 0) {
call xt_sort3 (Memr[user], Memr[x], Memr[y], ncoords)
call malloc (coords, ncoords*IGSPARAMS, TY_REAL)
call amovr (Memr[x], Memr[coords+(X-1)*ncoords], ncoords)
call amovr (Memr[y], Memr[coords+(Y-1)*ncoords], ncoords)
call amovr (Memr[user], Memr[coords+(Z-1)*ncoords], ncoords)
call amovkr (1., Memr[coords+(W-1)*ncoords], ncoords)
call fc_setfeatures (Memr[coords], Memr[coords+(Z-1)*ncoords],
ncoords)
call strcpy ("X (pixels)", labels[1,X], SZ_LINE)
call strcpy ("Y (pixels)", labels[1,Y], SZ_LINE)
call strcpy ("User", labels[1,Z], SZ_LINE)
call strcpy ("Surface", labels[1,S], SZ_LINE)
call strcpy ("Residuals", labels[1,R], SZ_LINE)
}
call mfree (x, TY_REAL)
call mfree (y, TY_REAL)
call mfree (user, TY_REAL)
if (ncoords == 0) {
if (ntotal == 0)
call error (1, "No coordinates found in database")
else
call error (1, "Only INDEF coordinates found in database")
}
end
# FC_SETFEATURES -- Set the feature numbers.
procedure fc_setfeatures (features, user, npts)
real features[npts] # Feature numbers
real user[npts] # User coordinates
int npts # Number of points
int i
begin
features[1] = 1
do i = 2, npts {
features[i] = features[i-1]
if (user[i] != user[i-1])
features[i] = features[i] + 1
}
end
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