Index: graphics.awk
===================================================================
--- graphics.awk	(revision 27761)
+++ graphics.awk	(revision 27762)
@@ -15,7 +15,7 @@
 }
 
 # Archimedean spirals
-function a_spiral(xcen ,ycen, radius, inradius, turns, sides, phase)
+function ar_spiral(xcen ,ycen, radius, inradius, turns, sides, phase)
 {
 	if (sides+0 < 3){
 		message ("must have 3 or more sides")
@@ -41,7 +41,9 @@
 	spiral_length = 0
 }
 
-function drawpoly(xcen,ycen, sides, side_length, circumradius,rot_angle) # side_length, rot_deg, apothem, circumradius)
+# draw regular concave polygons
+function poly_trace(xcen,ycen, sides, side_length, circumradius,rot_angle) # TODO:rot_deg, apothem)
+
 {
 	pi = 3.141592654
 	segment_angle =  2*3.14159264/sides
@@ -57,6 +59,7 @@
 		return 0
 	}
 	# check if too many inputs exist, make sure the others don't
+	message("circumradius is: " circumradius)
 	if (circumradius != ""){
 		if (side_length != 0 ){
 			message ("give one input total for inputs side_length and circumradius")
@@ -92,9 +95,9 @@
 	delete yvert
 }
 
+# other types of spiral: fixed width
 # other funcition ideas -- oval (coefficients for x or y)
 # square with curved corners (can we draw arcs yet?)
-# line spirals (square spirals)
 
 function deg_to_rad(angle){
 	rad = ( angle *  2 * 3.14159264 ) / 360
@@ -104,6 +107,6 @@
 
 BEGIN {
 	fgw_func_reg("rules")
-	fgw_func_reg("a_spiral")
-	fgw_func_reg("drawpoly")
+	fgw_func_reg("ar_spiral")
+	fgw_func_reg("poly_trace")
 }