-disabling some experiments for now

- a bit of work on fixing ramp out.

scripts/addons/cam/__init__.py

@@ -245,8 +245,9 @@ class camOperation(bpy.types.PropertyGroup):
 			('CARVE','Carve', 'Pocket operation'),
 			('CURVE','Curve to Path - EXPERIMENTAL', 'Curve object gets converted directly to path'),
 			('PENCIL','Pencil - EXPERIMENTAL', 'Pencil operation - detects negative corners in the model and mills only those.'),
-			('DRILL','Drill', 'Drill operation'),('CRAZY','Crazy path - EXPERIMENTAL', 'Crazy paths - dont even think about using this!'),
-			('MEDIAL_AXIS','Medial axis', 'Medial axis, must be used with V or ball cutter, for engraving various width shapes with a single stroke ')
+			('DRILL','Drill', 'Drill operation'),
+			#('CRAZY','Crazy path - EXPERIMENTAL', 'Crazy paths - dont even think about using this!'),
+			#('MEDIAL_AXIS','Medial axis', 'Medial axis, must be used with V or ball cutter, for engraving various width shapes with a single stroke ')
 			),
 		description='Strategy',
 		default='PARALLEL',

scripts/addons/cam/chunk.py

@@ -309,6 +309,7 @@ class camPathChunk:
 			if o.ramp_out:
 				zstart=o.maxz
 				zend=ch.points[-1][2]
+				if zend<zstart:#again, sometimes a chunk could theoretically end above the starting level.
 					stepdown=zstart-zend
 					
 					estlength=(zstart-zend)/tan(o.ramp_out_angle)