Update ZigZag to changes in opencamlib interface

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What steps will reproduce the problem?
1. Create a 3D object 
2. Add a ZigZag operation
3. Post-Process

What is the expected output? What do you see instead?
Python traceback:
Traceback (most recent call last):
  File "/tmp/post.py", line 44, in <module>
    ocl_funcs.zigzag('/tmp/zigzag1.stl', tool_diameter, corner_radius, 1,
-6.51, 6.51, -6.51, 6.51, 'X', 0, 0, clearance, rapid_down_to_height,
start_depth, step_down, final_depth, 1)
  File "/usr/local/lib/heekscnc/ocl_funcs.py", line 23, in zigzag
    s = ocl.STLSurf(filepath)
Boost.Python.ArgumentError: Python argument types in
    STLSurf.__init__(STLSurf, str)
did not match C++ signature:
    __init__(_object*)

What version of the product are you using? On what operating system?
HeeksCAD (svn:1033), HeeksCNC (svn:1165), Ubuntu 10.04

Please provide any additional information below.
It seems that opencamlib changes the interface for STLSurf in svn:253.

Original issue reported on code.google.com by g.mue...@gmail.com on 30 May 2010 at 8:02

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I have made this run now, by using STLSurf.addTriangle and STLTools.py, but I 
am not
happy with the speed. Also, there are currently strange problem with the 
toolpath,
which I am looking at.

Original comment by danhe...@gmail.com on 2 Jun 2010 at 8:43

• Changed state: Accepted

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the STLTools.py file does not get installed automatically, the make file needs 
updating

Original comment by chrisnei...@gmail.com on 3 Jun 2010 at 8:48

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Should be be in /usr/local/lib/heekscnc ...

Original comment by aachen.h...@googlemail.com on 3 Jun 2010 at 12:09

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3D machining is all done with "Surface" object
www.heeks.net/help/surface

Original comment by danhe...@gmail.com on 24 Mar 2014 at 5:03

• Changed state: Fixed