( Rectangular Probing                                                   )
(                                                                       )
( This program is based on smartProbe, but is a bit different          )
( probed location to the file 'probe-results.ngc' in the same directory )
( as the .ini file                                                      )

(Configuration section)
G20   (Inches)
F20    (probe speed)

http://www.linuxcnc.org/index.php/english/component/kunena/?func=view&catid=38&id=13940&limit=6
#<xMin> = 0
#<xMax>= 1

#<yMin>=-.5
#<ymax>= 0.0
#<yStepDist>=.125

#<d>=.1
#<r>=[#<d>/4]


#<zSaftey>=1.1 (Z safety)
#<zProbeMax>=1 (Z probe)
#<zProbeMin>=-.1
(End configuration section)

#5070=0
(LOGOPEN,probe-results.ngc)
#<i>=0 
G0Z[#<zSaftey>]
G0 X[#<xMin>] Y[#<yMin>]
o1 while [#<i> lt fix[[#<yMax>-#<yMin>]/#<yStepDist>]]
    G0 Y[#<yMin>+#<yStepDist>*#<i>]
	o2 if [[[#<i>/2] - fix[#<i>/2]] eq 0]
            #<thisDirection>=1
        o2 else      
            #<thisDirection>=-1
        o2 endIf
	(G38.3 Z[-.1])
	o399 if [#5070 NE 0]
		(LOG,#5061 #5062 #5063)
		#<lastXLocation>=#5061
		#<lastYLocation>=#5061
		#<lastZLocation>=#5061
	o399 else
		#<lastXLocation>=#5400
		#<lastYLocation>=#5401
		#<lastZLocation>=#5402
	o399 endIf
	

	
    #<lastContactDirection>=0 (0 for Z, 1 for x)
	o400 while [#<lastXLocation> lt #<xMax>]
		o410 if [#lastContactDirection EQ 0]
			(code for the case that the last contact was in the z- direction)
		o410 endIf 
		
		o420 if [#lastContactDirection EQ 1]
			(code for the case that the last contact was in the x+ direction)
			g01 X[-#<r>*#<thisDirection>]
		o420 endIf
		
		g38.3 Z[#<lastZLocation>+d]
		o430 while [#5070 NE 0]
				(back off the undercut and try again)
				g01 X[-#<r>*#<thisDirection>]
				g38.3 Z[#<lastZLocation>+d]
		o430 endWhile
		
		G38.3 X[#lastXLocation>+[d*#<thisDirection>]]
		o440 if [#5070 NE 0]
			(LOG,#5061 #5062 #5063)
			#<lastXLocation>=#5061
			#<lastYLocation>=#5062
			#<lastZLocation>=#5063
			#<lastContactDirection>=1
			o400 continue
		o440 endIf
		G38.3 Z[#<zProbeMin>]
		o440 if [#5070 NE 0]
			(LOG,#5061 #5062 #5063)
			#<lastXLocation>=#5061
			#<lastYLocation>=#5062
			#<lastZLocation>=#5063
			#<lastContactDirection>=0
			o400 continue
		o440 endIf
		#<lastXLocation>=#5420
		#<lastYLocation>=#5421
		#<lastZLocation>=#5422
		#<lastContactDirection>=0
		
		
	o400 endWhile

    G0Z[#<zSaftey>]
    #<i>=[#<i>+1]
O1 endWhile

(LOGCLOSE)
G0Z[#<zSaftey>]
G0X[#<xMin>]Y[#<yMin>]
M2