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include <mach.h>
include "../lib/obsfile.h"
# PH_JOIN -- For each individual field join the data from each image
# line for line.
procedure ph_join (out, label, sym, filters, nfilters, objid, x, y, mag, merr,
allfilters, wrap, verbose)
int out # the output file descriptor
char label[ARB] # the label string
pointer sym[ARB] # list of pointers to the image set data
char filters[ARB] # the filter id string
int nfilters # number of filters in an image set
char objid[DEF_LENLABEL,ARB] # array of object ids
real x[ARB] # array of shifted x coordinates
real y[ARB] # array of shifted y coordinates
real mag[ARB] # array of corrected magnitudes
real merr[ARB] # array of magnitude errors
int allfilters # match objects in all filters ?
int wrap # format the output file for easy reading ?
int verbose # print status, warning and error messages ?
int i, j, nobjs, dptr, len_label, useid
pointer sp, outfilter, idlabel, newlabel, bptrs, eptrs
bool streq()
int ph_nthlabel(), strlen()
begin
# Find the maximum length of the output. Return if there is no data
# in any of the frames, or if there is no data in one frame and
# the match in all filters switch is on.
if (allfilters == YES) {
nobjs = MAX_INT
do i = 1, nfilters {
if (sym[i] == NULL) {
nobjs = 0
break
}
if (IMT_NENTRIES(sym[i]) == 0) {
nobjs = 0
break
}
nobjs = min (nobjs, IMT_NENTRIES(sym[i]))
}
} else {
nobjs = 0
do i = 1, nfilters {
if (sym[i] == NULL)
next
nobjs = max (nobjs, IMT_NENTRIES(sym[i]))
}
}
# Return if there is no data.
if (nobjs <= 0) {
if (verbose == YES) {
call printf (
"\tImage set: %s 0 stars written to the observations file\n")
call pargstr (label)
}
return
}
# Allocate working space.
call smark (sp)
call salloc (idlabel, SZ_FNAME, TY_CHAR)
call salloc (newlabel, SZ_FNAME, TY_CHAR)
call salloc (outfilter, SZ_FNAME, TY_CHAR)
call salloc (bptrs, nfilters, TY_INT)
call salloc (eptrs, nfilters, TY_INT)
# Determine whether or not to use the object id as the object label
# and determine the length of the label.
if (objid[1,1] == EOS) {
useid = NO
if (nobjs == 1)
len_label = max (DEF_LENLABEL, strlen (label))
else
len_label = max (DEF_LENLABEL, strlen (label)+DEF_LENINDEX)
} else {
useid = YES
len_label = DEF_LENLABEL
}
# Initialize the arrays which point to the beginning and ending of
# the data for each image in the set.
do j = 1, nfilters {
if (sym[j] == NULL) {
Memi[bptrs+j-1] = 0
Memi[eptrs+j-1] = 0
} else {
Memi[bptrs+j-1] = IMT_OFFSET(sym[j])
Memi[eptrs+j-1] = IMT_OFFSET(sym[j]) + IMT_NENTRIES(sym[j]) - 1
}
}
# Write out the output.
do i = 1, nobjs {
# Determine the object id. This is the object id of the first
# defined filter.
if (useid == YES) {
Memc[idlabel] = EOS
do j = 1, nfilters {
if (Memi[bptrs+j-1] == 0)
next
call strcpy (objid[1,Memi[bptrs+j-1]], Memc[idlabel],
DEF_LENLABEL)
break
}
}
do j = 1, nfilters {
# Write the label.
if (j == 1) {
if (useid == YES && Memc[idlabel] != EOS) {
call fprintf (out, "%*.*s ")
call pargi (-len_label)
call pargi (len_label)
call pargstr (Memc[idlabel])
} else if (nobjs == 1) {
call fprintf (out, "%*.*s ")
call pargi (-len_label)
call pargi (len_label)
call pargstr (label)
} else {
call sprintf (Memc[newlabel], SZ_FNAME, "%s-%d")
call pargstr (label)
call pargi (i)
call fprintf (out, "%*.*s ")
call pargi (-len_label)
call pargi (len_label)
call pargstr (Memc[newlabel])
}
} else if (wrap == YES) {
call fprintf (out, "%*.*s ")
call pargi (-len_label)
call pargi (len_label)
call pargstr ("*")
} else {
call fprintf (out, " ")
}
# Write the results.
if (ph_nthlabel (filters, j, Memc[outfilter], SZ_FNAME) != j)
Memc[outfilter] = EOS
dptr = Memi[bptrs+j-1]
if (dptr == 0) {
call fprintf (out,
"%-10.10s %11.1h %6.3f %9.3f %9.3f %7.3f %6.3f")
call pargstr (Memc[outfilter])
call pargr (INDEFR)
call pargr (INDEFR)
call pargr (INDEFR)
call pargr (INDEFR)
call pargr (INDEFR)
call pargr (INDEFR)
} else {
if (IMT_OTIME(sym[j]) >= 0.0 && IMT_OTIME(sym[j]) <= 24.0)
call fprintf (out,
"%-10.10s %11.1h %6.3f %9.3f %9.3f %7.3f %6.3f")
else
call fprintf (out,
"%-10.10s %11g %6.3f %9.3f %9.3f %7.3f %6.3f")
if (streq (IMT_IFILTER(sym[j]), "INDEF"))
call pargstr (Memc[outfilter])
else
call pargstr (IMT_IFILTER(sym[j]))
call pargr (IMT_OTIME(sym[j]))
call pargr (IMT_XAIRMASS(sym[j]))
call pargr (x[dptr] - IMT_XSHIFT(sym[j]))
call pargr (y[dptr] - IMT_YSHIFT(sym[j]))
call pargr (mag[dptr])
call pargr (merr[dptr])
}
if (wrap == YES)
call fprintf (out, "\n")
else if (j == nfilters)
call fprintf (out, "\n")
# Increment the data pointers making sure to check for non-
# existent data and unequal length object lists.
if (dptr == 0)
next
if (dptr >= Memi[eptrs+j-1])
dptr = 0
else
Memi[bptrs+j-1] = dptr + 1
}
}
if (verbose == YES) {
call printf (
"\tImage set: %s %d stars written to the observations file\n")
call pargstr (label)
call pargi (nobjs)
}
call sfree (sp)
end
# PH_MERGE -- For an individual field join the data from each image (filter) in
# the image (filter) set by matching the x-y positions.
procedure ph_merge (out, label, sym, filters, nfilters, objid, x, y, mag, merr,
ysort, match, index, ndata, tolerance, allfilters, wrap, verbose)
int out # the output file descriptor
char label[ARB] # label string
pointer sym[ARB] # list of pointers to the image set data
char filters[ARB] # filter string
int nfilters # number of images an image set
char objid[DEF_LENLABEL,ARB] # array of object ids
real x[ARB] # array of x coordinates
real y[ARB] # array of y coordinates
real mag[ARB] # array of magnitudes
real merr[ARB] # array of magnitude errors
int ysort[ARB] # the y sort index
int match[ARB] # the matching array
int index[ndata,ARB] # the matching index array
int ndata # the number of data points
real tolerance # tolerance in pixels
int allfilters # match objects in all filters
int wrap # format the output file for easy reading ?
int verbose # print status, warning and error messages
int i, j, k, l, biptr, eiptr, bjptr, ejptr, len_label
int ntimes, nframe, nobjs, nmatch, starok, lsort, useid
pointer sp, idlabel, newlabel, outfilter
real tol2, dx, dy, maxrsq, distsq
bool streq()
int ph_nthlabel(), strlen()
begin
# Allocate working space.
call smark (sp)
call salloc (idlabel, SZ_FNAME, TY_CHAR)
call salloc (newlabel, SZ_FNAME, TY_CHAR)
call salloc (outfilter, SZ_FNAME, TY_CHAR)
# Initialize.
nframe = 0
do i = 1, nfilters {
if (sym[i] != NULL) {
call amovki (NO, match[IMT_OFFSET(sym[i])],
IMT_NENTRIES(sym[i]))
if (IMT_NENTRIES(sym[i]) > 0)
nframe = nframe + 1
}
}
tol2 = tolerance ** 2
nobjs = 0
if (allfilters == YES)
ntimes = 1
else
ntimes = nfilters
# Loop over the filters.
do i = 1, ntimes {
# Find the data pointers for the first frame.
if (sym[i] == NULL)
next
biptr = IMT_OFFSET(sym[i])
if (biptr == 0)
next
eiptr = biptr + IMT_NENTRIES(sym[i]) - 1
# Initialize.
nmatch = 0
# Clear the index array.
do j = 1, nfilters
call aclri (index[1,j], ndata)
# Loop over the other frames matching stars.
do j = i + 1, nfilters {
# Find the data pointers for the second frame.
if (sym[j] == NULL)
next
bjptr = IMT_OFFSET(sym[j])
if (bjptr == 0)
next
ejptr = bjptr + IMT_NENTRIES(sym[j]) - 1
# Loop over the stars in the first frame.
nmatch = 0
do k = biptr, eiptr {
if (match[ysort[k]] == YES)
next
if (IS_INDEFR(x[ysort[k]]) || IS_INDEFR(y[ysort[k]]))
next
nmatch = nmatch + 1
index[ysort[k]-biptr+1,i] = ysort[k]
maxrsq = tol2
lsort = 0
do l = bjptr, ejptr {
if (match[ysort[l]] == YES)
next
if (IS_INDEFR(x[ysort[l]]) || IS_INDEFR(y[ysort[l]]))
next
dy = y[ysort[l]] - y[ysort[k]]
if (dy > tolerance)
break
dx = x[ysort[l]] - x[ysort[k]]
distsq = dx * dx + dy * dy
if (distsq > maxrsq)
next
if (lsort > 0)
match[ysort[lsort]] = NO
match[ysort[l]] = YES
index[ysort[k]-biptr+1,j] = ysort[l]
maxrsq = distsq
lsort = l
}
}
# If all the stars have been matched quit the loop.
if (nmatch == 0)
break
}
# Search for unmatched stars in the last frame.
if ((nframe == 1) || (allfilters == NO && i == nfilters)) {
do k = biptr, eiptr {
if (match[ysort[k]] == YES)
next
if (IS_INDEFR(x[ysort[k]]) || IS_INDEFR(y[ysort[k]]))
next
nmatch = nmatch + 1
index[ysort[k]-biptr+1,i] = ysort[k]
}
}
# Use the individual star id.
if (objid[1,1] == EOS)
useid = NO
else
useid = YES
# Write the results.
do j = 1, eiptr - biptr + 1 {
# Break if no stars were matched.
if (nmatch <= 0)
break
#next
# If the allfilters switch is on only print points with
# data for all the filters, otherwise print all the objects.
if (allfilters == YES) {
starok = YES
do k = 1, nfilters {
if (index[j,k] > 0)
next
starok = NO
break
}
} else {
starok = NO
do k = 1, nfilters {
if (index[j,k] <= 0)
next
starok = YES
break
}
}
if (starok == NO)
next
if (useid == YES)
len_label = DEF_LENLABEL
else if (nobjs == 1)
len_label = max (DEF_LENLABEL, strlen (label))
else
len_label = max (DEF_LENLABEL, strlen (label)+DEF_LENINDEX)
# Find the label.
if (useid == YES) {
Memc[idlabel] = EOS
do k = 1, nfilters {
if (index[j,k] == 0)
next
call strcpy (objid[1,index[j,k]], Memc[idlabel],
DEF_LENLABEL)
break
}
}
# Loop over the filters, writing the data for each point.
do k = 1, nfilters {
# Write the label.
if (k == 1) {
if (useid == YES && Memc[idlabel] != EOS) {
call fprintf (out, "%*.*s ")
call pargi (-len_label)
call pargi (len_label)
call pargstr (Memc[idlabel])
} else if ((nmatch == 1) && (nobjs == 0)) {
call fprintf (out, "%*.*s ")
call pargi (-len_label)
call pargi (len_label)
call pargstr (label)
} else {
call sprintf (Memc[newlabel], SZ_FNAME, "%s-%d")
call pargstr (label)
call pargi (nobjs + 1)
call fprintf (out, "%*.*s ")
call pargi (-len_label)
call pargi (len_label)
call pargstr (Memc[newlabel])
}
} else if (wrap == YES) {
call fprintf (out, "%*.*s ")
call pargi (-len_label)
call pargi (len_label)
call pargstr ("*")
} else {
call fprintf (out, " ")
}
# Write the data.
if (ph_nthlabel (filters, k, Memc[outfilter],
SZ_FNAME) != k)
Memc[outfilter] = EOS
if (index[j,k] == 0) {
call fprintf (out,
"%-10.10s %11.1h %6.3f %9.3f %9.3f %7.3f %6.3f")
call pargstr (Memc[outfilter])
call pargr (INDEFR)
call pargr (INDEFR)
call pargr (INDEFR)
call pargr (INDEFR)
call pargr (INDEFR)
call pargr (INDEFR)
} else {
if (IMT_OTIME(sym[k]) >= 0.0 &&
IMT_OTIME(sym[k]) <= 24.0)
call fprintf (out,
"%-10.10s %11.1h %6.3f %9.3f %9.3f %7.3f %6.3f")
else
call fprintf (out,
"%-10.10s %11g %6.3f %9.3f %9.3f %7.3f %6.3f")
if (streq (IMT_IFILTER(sym[k]), "INDEF"))
call pargstr (Memc[outfilter])
else
call pargstr (IMT_IFILTER(sym[k]))
call pargr (IMT_OTIME(sym[k]))
call pargr (IMT_XAIRMASS(sym[k]))
call pargr (x[index[j,k]] - IMT_XSHIFT(sym[k]))
call pargr (y[index[j,k]] - IMT_YSHIFT(sym[k]))
call pargr (mag[index[j,k]])
call pargr (merr[index[j,k]])
}
if (wrap == YES)
call fprintf (out, "\n")
else if (k == nfilters)
call fprintf (out, "\n")
}
nobjs = nobjs + 1
}
}
if (verbose == YES) {
call printf (
"\tImage set: %s %d stars written to the observations file\n")
call pargstr (label)
call pargi (nobjs)
}
call sfree (sp)
end
|