1 files changed, 37 insertions, 0 deletions
diff --git a/pkg/images/lib/geogmap.h b/pkg/images/lib/geogmap.h
new file mode 100644
index 00000000..7efc3658
--- /dev/null
+++ b/pkg/images/lib/geogmap.h
@@ -0,0 +1,37 @@
+# Structure definitions for fitting surface graphically
+
+define	LEN_GEOGRAPH	10
+
+define	GG_NEWFUNCTION		Memi[$1]	# New function
+define	GG_PLOTTYPE		Memi[$1+1]	# Type of plot
+define	GG_OVERPLOT		Memi[$1+2]	# Overplot previous graph?
+define	GG_FITERROR		Memi[$1+3]	# Error fitting x function
+define	GG_CONSTXY		Memi[$1+4]	# Plot lines of constant x-y
+
+# define plot types
+
+define	FIT		1		# plot x y fit
+define	XXRESID		2		# x fit residuals versus x
+define	XYRESID		3		# x fit residuals versus y
+define	YXRESID		4		# y fit residuals versus x
+define	YYRESID		5		# y fit residuals versus y
+
+# define the permitted colon commands
+
+define  GM_CMDS         "|show|projection|refpoint|fitgeometry|function|\
+order|xxorder|xyorder|yxorder|yyorder|xxterms|yxterms|reject|maxiter|"
+
+define  GMCMD_SHOW      	1
+define	GMCMD_PROJECTION	2
+define	GMCMD_REFPOINT		3
+define  GMCMD_GEOMETRY  	4
+define  GMCMD_FUNCTION  	5
+define  GMCMD_ORDER  		6
+define  GMCMD_XXORDER   	7
+define  GMCMD_XYORDER   	8
+define  GMCMD_YXORDER   	9
+define  GMCMD_YYORDER   	10
+define  GMCMD_XXTERMS   	11
+define  GMCMD_YXTERMS   	12
+define  GMCMD_REJECT    	13
+define  GMCMD_MAXITER    	14