As soon as the "Roughing offset" field is cleared (empty string),
image-to-gcode (CVS trunk) throws the following exception:
m...@frink:~/emc2-current/bin$ ./image-to-gcode ../nc_files/torus.png
Exception in Tkinter callback
Traceback (most recent call last):
File "/usr/lib/python2.5/lib-tk/Tkinter.py", line 1417, in __call__
return self.func(*args)
File "./image-to-gcode", line 696, in trace_offset
if vars['roughing_offset'].get() > 0:
File "/usr/lib/python2.5/lib-tk/Tkinter.py", line 308, in get
return getdouble(self._tk.globalgetvar(self._name))
ValueError: empty string for float()
--
Greetings, Michael.
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