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Path: Fix spurious full circles in PathProfile

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There was an issue in the conversion from a toolpath to GCode, some very
small circles were mistaken for full circles when their coordinates were
output in some finite precision.
This commit is contained in:
Lorenz Hüdepohl 2016-06-19 23:06:24 +02:00 committed by wmayer
parent b4c084dd06
commit 803c136968
1 changed files with 10 additions and 0 deletions
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10
src/Mod/Path/PathScripts/PathUtils.py
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@ -240,6 +240,16 @@ def convert(toolpath, Z=0.0, PlungeAngle=90.0, Zprevious=None, StopLength=None,
endpt = arcstartpt
center = edge.Curve.Center
relcenter = center.sub(lastpt)
# start point and end point fall together in the given output precision?
if fmt(startpt.x) == fmt(endpt.x) and fmt(startpt.y) == fmt(endpt.y):
if edge.Length < 0.5 * 2 * math.pi * edge.Curve.Radius:
# because it is a very small circle -> omit, as that gcode would produce a full circle
return endpt, ""
else:
# it is an actual full circle, emit a line for this
pass
# FreeCAD.Console.PrintMessage("arc startpt= " + str(startpt)+ "\n")
# FreeCAD.Console.PrintMessage("arc midpt= " + str(midpt)+ "\n")
# FreeCAD.Console.PrintMessage("arc endpt= " + str(endpt)+ "\n")