1 files changed, 155 insertions, 0 deletions
diff --git a/noao/onedspec/ecidentify/ecgraph.x b/noao/onedspec/ecidentify/ecgraph.x
new file mode 100644
index 00000000..9eaeaa5f
--- /dev/null
+++ b/noao/onedspec/ecidentify/ecgraph.x
@@ -0,0 +1,155 @@
+include	<gset.h>
+include	<pkg/gtools.h>
+include	"ecidentify.h"
+
+# EC_GRAPH -- Graph image vector in which features are to be ecentified.
+
+procedure ec_graph (ec, gtype)
+
+pointer	ec		# ID pointer
+int	gtype		# Graph type
+
+begin
+	switch (gtype) {
+	case 1:
+	    if (IS_INDEFI (EC_AP(ec)))
+		call ec_graph3(ec)
+	    else
+	        call ec_graph1 (ec)
+	case 2:
+	    call ec_graph2 (ec)
+	default:
+	    call ec_graph1 (ec)
+	}
+end
+
+
+procedure ec_graph1 (ec)
+
+pointer	ec				# ID pointer
+
+int	i
+real	xmin, xmax, ymin, ymax, dy
+pointer	sp, str, x, y
+
+begin
+	call smark (sp)
+	call salloc (str, SZ_LINE, TY_CHAR)
+	call salloc (x, EC_NPTS(ec), TY_REAL)
+	y = EC_IMLINE(ec)
+
+	call sprintf (Memc[str], SZ_LINE,
+	    "Aperture %d, Image line %d, Order %d")
+	    call pargi (EC_AP(ec))
+	    call pargi (EC_LINE(ec))
+	    call pargi (EC_ORDER(ec))
+	call gt_sets (EC_GT(ec), GTPARAMS, Memc[str])
+	call achtdr (FITDATA(ec,1), Memr[x], EC_NPTS(ec))
+
+	call gclear (EC_GP(ec))
+	xmin = min (Memr[x], Memr[x+EC_NPTS(ec)-1])
+	xmax = max (Memr[x], Memr[x+EC_NPTS(ec)-1])
+	call alimr (Memr[y], EC_NPTS(ec), ymin, ymax)
+	dy = ymax - ymin
+	call gswind (EC_GP(ec), xmin, xmax, ymin - .2 * dy, ymax + .2 * dy)
+	call gt_swind (EC_GP(ec), EC_GT(ec))
+	call gt_labax (EC_GP(ec), EC_GT(ec))
+	call gt_plot (EC_GP(ec), EC_GT(ec), Memr[x], Memr[y], EC_NPTS(ec))
+
+	do i = 1, EC_NFEATURES(ec)
+	    if (APN(ec,i) == EC_AP(ec))
+	        call ec_mark (ec, i)
+
+	call sfree (sp)
+end
+
+
+# EC_GRAPH2 -- Make review graph for current feature.
+
+procedure ec_graph2 (ec)
+
+pointer	ec				# ID pointer
+
+int	i, j, k
+real	xmin, xmax, ymin, ymax, dy
+pointer	sp, str, x, y
+
+begin
+	call smark (sp)
+	call salloc (str, SZ_LINE, TY_CHAR)
+	call salloc (x, EC_NPTS(ec), TY_REAL)
+	y = EC_IMLINE(ec)
+
+	call sprintf (Memc[str], SZ_LINE, "Order %d")
+	    call pargi (EC_AP(ec))
+	call gt_sets (EC_GT(ec), GTPARAMS, Memc[str])
+	call achtdr (FITDATA(ec,1), Memr[x], EC_NPTS(ec))
+
+	xmin = real (FIT(ec,EC_CURRENT(ec))) - EC_ZWIDTH(ec) / 2.
+	xmax = real (FIT(ec,EC_CURRENT(ec))) + EC_ZWIDTH(ec) / 2.
+
+	i = 0
+	do k = 1, EC_NPTS(ec) {
+	    if ((Memr[x+k-1] < xmin) || (Memr[x+k-1] > xmax))
+		next
+	    if (i == 0)
+		i = k
+	    j = k
+	}
+	k = j - i + 1
+
+	call alimr (Memr[y+i-1], k, ymin, ymax)
+	dy = ymax - ymin
+
+	call gclear (EC_GP(ec))
+	call gswind (EC_GP(ec), xmin, xmax, ymin - .2 * dy, ymax + .2 * dy)
+	call gt_labax (EC_GP(ec), EC_GT(ec))
+	call gt_plot (EC_GP(ec), EC_GT(ec), Memr[x], Memr[y], EC_NPTS(ec))
+
+	do i = 1, EC_NFEATURES(ec)
+	    if (APN(ec,i) == EC_AP(ec))
+	        call ec_mark (ec, i)
+
+	call sfree (sp)
+end
+
+
+procedure ec_graph3 (ec)
+
+pointer	ec				# ID pointer
+
+int	i, npts
+real	xmin, xmax, ymin, ymax, dy
+pointer	sp, str, x, y
+
+begin
+	npts = EC_NPTS(ec) * EC_NLINES(ec)
+
+	call smark (sp)
+	call salloc (str, SZ_LINE, TY_CHAR)
+	call salloc (x, npts, TY_REAL)
+	y = EC_IMLINE(ec)
+
+	call sprintf (Memc[str], SZ_LINE, "All orders")
+	call gt_sets (EC_GT(ec), GTPARAMS, Memc[str])
+	call achtdr (Memd[EC_FITDATA(ec)], Memr[x], npts)
+
+	call gclear (EC_GP(ec))
+	xmin = min (Memr[x], Memr[x+npts-1])
+	xmax = max (Memr[x], Memr[x+npts-1])
+	call alimr (Memr[y], npts, ymin, ymax)
+	dy = ymax - ymin
+	call gswind (EC_GP(ec), xmin, xmax, ymin - .2 * dy, ymax + .2 * dy)
+	call gt_swind (EC_GP(ec), EC_GT(ec))
+	call gt_labax (EC_GP(ec), EC_GT(ec))
+	do i = 1, EC_NLINES(ec) {
+	    call gt_plot (EC_GP(ec), EC_GT(ec), Memr[x], Memr[y], EC_NPTS(ec))
+	    x = x + EC_NPTS(ec)
+	    y = y + EC_NPTS(ec)
+	}
+
+	do i = 1, EC_NFEATURES(ec)
+	    call ec_mark (ec, i)
+
+	call sfree (sp)
+end