1 files changed, 72 insertions, 0 deletions
diff --git a/pkg/xtools/fixpix/setfp.x b/pkg/xtools/fixpix/setfp.x
new file mode 100644
index 00000000..5fe2f5c1
--- /dev/null
+++ b/pkg/xtools/fixpix/setfp.x
@@ -0,0 +1,72 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<imhdr.h>
+include	<imset.h>
+include	<pmset.h>
+
+
+# SET_FP -- Set the fixpix mask.
+#
+# This routine transforms the input mask values into the output mask
+# values.  It allows the input mask to have two classes of bad pixels;
+# those which are interpolated and those which are not.
+
+procedure set_fp (im, fp)
+
+pointer	im			#I Input mask image pointer
+pointer	fp			#O FIXPIX interpolation pointer
+
+int	i, j, nc, nl
+long	v[2]
+pointer	data1, data2, pm, pmi
+
+int	imstati(), pm_newcopy()
+pointer	yt_fpinit()
+errchk	malloc, yt_fpinit
+
+begin
+	# Set the image size and data buffers.
+	nc = IM_LEN(im,1)
+	nl = IM_LEN(im,2)
+	call malloc (data1, nc, TY_SHORT)
+	call malloc (data2, nc, TY_SHORT)
+
+	# Get the pixel mask from the image.
+	pm = imstati (im, IM_PMDES)
+
+	# Extract the pixels to be interpolated.
+	pmi = pm_newcopy (pm)
+	v[1] = 1
+	do j = 1, nl {
+	    v[2] = j
+	    call pmglps (pm, v, Mems[data1], 0, nc, PIX_SRC)
+	    do i = 0, nc-1 {
+	        if (Mems[data1+i] > 1)
+		    Mems[data1+i] = 0
+	    }
+	    call pmplps (pmi, v, Mems[data1], 0, nc, PIX_SRC)
+	}
+
+	# Set the interpolation.
+	fp = yt_fpinit (pmi, 2, 3)
+
+	# Merge back the bad pixels which are not interpolated.
+	v[1] = 1
+	do j = 1, nl {
+	    v[2] = j
+	    call pmglps (pm, v, Mems[data1], 0, nc, PIX_SRC)
+	    call pmglps (pmi, v, Mems[data2], 0, nc, PIX_SRC)
+	    do i = 0, nc-1 {
+	        if (Mems[data2+i] != 0)
+		    Mems[data1+i] = Mems[data2+i]
+		else if (Mems[data1+i] > 1)
+		    Mems[data1+i] = 6
+	    }
+	    call pmplps (pm, v, Mems[data1], 0, nc, PIX_SRC)
+	}
+
+	# Finish up.
+	call mfree (data1, TY_SHORT)
+	call mfree (data2, TY_SHORT)
+	#call pm_close (pmi)
+end