Initial commit

1 files changed, 46 insertions, 0 deletions

diff --git a/noao/onedspec/splot/fudgex.x b/noao/onedspec/splot/fudgex.x
new file mode 100644
index 00000000..f1612b31
--- /dev/null
+++ b/noao/onedspec/splot/fudgex.x
@@ -0,0 +1,46 @@
+# FUDGEX -- Fudge an extended region marked by the cursor
+
+procedure fudgex (sh, gfd, x, y, n, wx1, wy1, xydraw)
+
+pointer	sh
+int	gfd
+real	x[n]
+real	y[n]
+int	n
+real	wx1, wy1
+int	xydraw
+
+char	command[SZ_FNAME]
+int	i, i1, i2, wc, key
+real	slope
+real	wx2, wy2
+
+int	clgcur()
+bool	fp_equalr()
+
+begin
+	# Get second point
+	call printf ("x again:")
+	call flush (STDOUT)
+	i = clgcur ("cursor", wx2, wy2, wc, key, command, SZ_FNAME)
+
+	# Fix order
+	call fixx (sh, wx1, wx2, wy1, wy2, i1, i2)
+
+	if (xydraw == NO) {
+	    wy1 = y[i1]
+	    wy2 = y[i2]
+	}
+	if (fp_equalr (wx1, wx2))
+	    slope = 0.
+	else
+	    slope = (wy2-wy1) / (wx2-wx1)
+
+	# Replace pixels
+	do i = i1, i2
+	    y[i] = wy1 + (x[i] - wx1) * slope
+
+	# Plot replaced pixels
+	i = i2 - i1 + 1
+	call gpline (gfd, x[i1], y[i1], i)
+end