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|
include <ctype.h>
include <gset.h>
include "../lib/apphot.h"
include "../lib/polyphot.h"
define HELPFILE "apphot$polyphot/polymark.key"
# AP_MKPYLIST -- Procedure to make polygon and accompanying coordinate list.
int procedure ap_mkpylist (im, py, pl, cl, id, gd, pid, cid)
pointer im # pointer to IRAF image
pointer py # pointer to the POLYPHOT structure
int pl # starlist file descriptor
int cl # coordinate file list
pointer id # pointer to image display stream
pointer gd # pointer to graphics display stream
int pid # polygon id sequence number
int cid # coordinate list sequence number
int key, nvertices, wcs, ptid, ltid, prev_num, req_num
int ip, colonkey, firstpoly, newpoly, delim
pointer sp, cmd, x, y, xshift, yshift
real wx, wy, xmean, ymean
int clgcur(), apgqverify(), apgtverify(), ap_ymkpoly(), ctoi()
int ap_ynextobj()
real apstatr()
data delim /';'/
define endswitch_ 99
begin
# Allocate temporary space.
call smark (sp)
call salloc (cmd, SZ_LINE, TY_CHAR)
call salloc (x, MAX_NVERTICES + 1, TY_REAL)
call salloc (y, MAX_NVERTICES + 1, TY_REAL)
call salloc (xshift, MAX_NVERTICES + 1, TY_REAL)
call salloc (yshift, MAX_NVERTICES + 1, TY_REAL)
# Initialize the cursor read.
key = ' '
Memc[cmd] = EOS
# Initialize the sequencing.
firstpoly = YES
newpoly = NO
ptid = 0
ltid = 0
xmean = INDEFR
ymean = INDEFR
# Loop over the polygon file.
nvertices = 0
while (clgcur ("icommands", wx, wy, wcs, key, Memc[cmd], SZ_LINE) !=
EOF) {
# Set the current cursor coordinates.
call ap_vtol (im, wx, wy, wx, wy, 1)
call apsetr (py, CWX, wx)
call apsetr (py, CWY, wy)
# Loop over the colon commands.
switch (key) {
# Quit.
case 'q':
if (apgqverify ("polymark", NULL, key) == YES) {
call sfree (sp)
return (apgtverify (key))
}
# Plot a centered stellar radial profile.
case 'd':
call ap_qrad (py, im, wx, wy, gd)
# Print the help page.
case '?':
if ((id != NULL) && (id == gd))
call gpagefile (id, HELPFILE, "")
else
call pagefile (HELPFILE, "[space=morehelp,q=quit,?=help]")
# Colon escape commands.
case ':':
for (ip = 1; IS_WHITE(Memc[cmd+ip-1]); ip = ip + 1)
;
colonkey = Memc[cmd+ip-1]
switch (colonkey) {
case 'm':
# Decode a polymark colon command.
if (Memc[cmd+ip] != EOS && Memc[cmd+ip] != ' ') {
call printf (
"Unknown or ambigous keystroke command\n")
goto endswitch_
}
# The polygon file is undefined.
if (pl == NULL) {
call printf ("The polygon list is undefined\n")
goto endswitch_
}
# Read the next polygon.
ip = ip + 1
prev_num = ltid
if (ctoi (Memc[cmd], ip, req_num) <= 0)
req_num = ltid + 1
nvertices = ap_ynextobj (py, im, id, pl, cl, delim,
Memr[xshift], Memr[yshift], MAX_NVERTICES, prev_num,
req_num, ltid, ptid)
if (nvertices == EOF) {
call printf (
"End of polygon list, use r key to rewind\n")
goto endswitch_
}
# The polygon is undefined.
if (nvertices < 3) {
call printf ("The polygon has fewer than 3 vertices\n")
goto endswitch_
}
# Mark the polygon.
if (id != NULL) {
call appymark (py, id, Memr[xshift], Memr[yshift],
nvertices + 1, NO, NO, YES)
if (gd == id)
call gflush (id)
else
call gframe (id)
}
default:
call printf ("Unknown or ambigous keystroke command\n")
}
# Draw the next polygon in the list.
case 'm':
# No polygon file.
if (pl == NULL) {
call printf ("The polygon list is undefined\n")
goto endswitch_
}
# Read the next polygon.
prev_num = ltid
req_num = ltid + 1
nvertices = ap_ynextobj (py, im, id, pl, cl, delim,
Memr[xshift], Memr[yshift], MAX_NVERTICES, prev_num,
req_num, ltid, ptid)
# The polygon is undefined.
if (nvertices == EOF) {
call printf ("End of polygon list, use r key to rewind\n")
goto endswitch_
}
# The polygon is ill-defined.
if (nvertices < 3) {
call printf ("The polygon has fewer than 3 vertices\n")
goto endswitch_
}
# Mark the polygon.
if (id != NULL) {
call appymark (py, id, Memr[xshift], Memr[yshift],
nvertices + 1, NO, NO, YES)
if (gd == id)
call gflush (id)
else
call gframe (id)
}
# Rewind the polygon and coordinate lists.
case 'r':
if (pl != NULL) {
call seek (pl, BOF)
if (cl != NULL)
call seek (cl, BOF)
ptid = 0
ltid = 0
} else
call printf ("The polygon list is undefined\n")
# Draw the remaining polygons on the display.
case 'l':
if (pl == NULL) {
call printf ("The polygon list is undefined\n")
} else if (id != NULL) {
call ap_ydraw (py, im, cl, pl, ltid, ptid, id)
if (gd == id)
call gflush (id)
else
call gframe (id)
}
# Define the polygon interactively.
case 'g':
if (gd == id)
nvertices = ap_ymkpoly (py, im, id, Memr[x], Memr[y],
MAX_NVERTICES, NO)
else
nvertices = ap_ymkpoly (py, im, id, Memr[x], Memr[y],
MAX_NVERTICES, YES)
xmean = apstatr (py, PYXMEAN)
ymean = apstatr (py, PYYMEAN)
if (nvertices == EOF) {
newpoly = NO
call printf ("The polygon is undefined\n")
} else if (nvertices <= 2) {
newpoly = NO
call printf (
"The polygon has fewer then 3 vertices\n")
} else {
newpoly = YES
if (id != NULL) {
if (gd == id)
call gflush (id)
else
call gframe (id)
}
}
# Mark the current polygon on the display.
case 'f':
if (id != NULL) {
if (! IS_INDEFR(xmean) && ! IS_INDEFR(ymean)) {
call aaddkr (Memr[x], wx - xmean, Memr[xshift],
nvertices + 1)
call aaddkr (Memr[y], wy - ymean, Memr[yshift],
nvertices + 1)
call appymark (py, id, Memr[xshift], Memr[yshift],
nvertices + 1, NO, NO, YES)
if (gd == id)
call gflush (id)
else
call gframe (id)
} else
call printf ("The polygon is undefined\n")
}
# Mark the current polygon on the display and write to file.
case ' ':
if (! IS_INDEFR(xmean) && ! IS_INDEFR(ymean)) {
call ap_ywrite (py, im, cl, pl, Memr[x], Memr[y], nvertices,
cid, pid, firstpoly, newpoly)
if (id != NULL) {
call aaddkr (Memr[x], wx - xmean, Memr[xshift],
nvertices + 1)
call aaddkr (Memr[y], wy - ymean, Memr[yshift],
nvertices + 1)
call appymark (py, id, Memr[xshift], Memr[yshift],
nvertices + 1, NO, NO, YES)
if (gd == id)
call gflush (id)
else
call gframe (id)
}
} else
call printf ("The polygon is undefined\n")
default:
call printf ("Unknown or ambigous keystroke command\n")
}
endswitch_
# Reset the keystroke and command defaults.
call apsetr (py, WX, apstatr (py, CWX))
call apsetr (py, WY, apstatr (py, CWY))
key = ' '
Memc[cmd] = EOS
}
end
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