940f52db90
Implement libarea improvements for profile Implement libarea pocketing. consolidate occ and libarea pocketing operation into one with algorithm switch consolidate occ aand libarea profile op into one with algorithm switch add basic engraving operation. Add rough UI for profile holding tags implement holding tags for libarea profile. implement basic defaults for depth settings. First move in Drilling is rapid to clearance height. UI needs lots of work but is usable.
152 lines
5.6 KiB
Python
152 lines
5.6 KiB
Python
################################################################################
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# nc_read.py
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#
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# Base class for NC code parsing
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#
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# Hirutso Enni, 2009-01-13
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################################################################################
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class Parser:
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def __init__(self):
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self.currentx = 0.0
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self.currenty = 0.0
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self.currentz = 0.0
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self.absolute_flag = True
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############################################################################
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## Internals
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def files_open(self, name, oname=None):
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if (oname == None ):
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oname = (name+'.nc.xml')
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self.file_in = open(name, 'r')
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self.file_out = open(oname, 'w')
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self.file_out.write('<?xml version="1.0" ?>\n')
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self.file_out.write('<nccode>\n')
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def files_close(self):
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self.file_out.write('</nccode>\n')
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self.file_in.close()
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self.file_out.close()
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def readline(self):
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self.line = self.file_in.readline().rstrip()
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if (len(self.line)) : return True
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else : return False
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def write(self, s):
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self.file_out.write(s)
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############################################################################
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## Xml
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def begin_ncblock(self):
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self.file_out.write('\t<ncblock>\n')
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def end_ncblock(self):
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self.file_out.write('\t</ncblock>\n')
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def add_text(self, s, col=None, cdata=False):
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s.replace('&', '&')
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s.replace('"', '"')
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s.replace('<', '<')
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s.replace('>', '>')
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if (cdata) : (cd1, cd2) = ('<![CDATA[', ']]>')
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else : (cd1, cd2) = ('', '')
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if (col != None) : self.file_out.write('\t\t<text col="'+col+'">'+cd1+s+cd2+'</text>\n')
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else : self.file_out.write('\t\t<text>'+cd1+s+cd2+'</text>\n')
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def set_mode(self, units=None):
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self.file_out.write('\t\t<mode')
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if (units != None) : self.file_out.write(' units="'+str(units)+'"')
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self.file_out.write(' />\n')
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def set_tool(self, number=None):
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self.file_out.write('\t\t<tool')
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if (number != None) :
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self.file_out.write(' number="'+str(number)+'"')
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self.file_out.write(' />\n')
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def begin_path(self, col=None):
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if (col != None) : self.file_out.write('\t\t<path col="'+col+'">\n')
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else : self.file_out.write('\t\t<path>\n')
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def end_path(self):
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self.file_out.write('\t\t</path>\n')
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def add_line(self, x=None, y=None, z=None, a=None, b=None, c=None):
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if (x == None and y == None and z == None and a == None and b == None and c == None) : return
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self.file_out.write('\t\t\t<line')
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if (x != None) :
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if self.absolute_flag: self.currentx = x
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else: self.currentx = self.currentx + x
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self.file_out.write(' y="%.6f"' % (self.currentx/2))
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if (y != None) :
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if self.absolute_flag: self.currenty = y
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else: self.currenty = self.currenty + y
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#self.file_out.write(' y="%.6f"' % self.currenty)
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if (z != None) :
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if self.absolute_flag: self.currentz = z
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else: self.currentz = self.currentz + z
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self.file_out.write(' x="%.6f"' % self.currentz)
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if (a != None) : self.file_out.write(' a="%.6f"' % a)
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if (b != None) : self.file_out.write(' b="%.6f"' % b)
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if (c != None) : self.file_out.write(' c="%.6f"' % c)
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self.file_out.write(' />\n')
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def add_lathe_increment_line(self, u=None, w=None):
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# needed for representing U and W moves in lathe code- these are non modal incremental moves
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# U == X and W == Z
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if (u == None and w == None ) : return
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self.file_out.write('\t\t\t<line')
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if (u != None) :
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self.currentx = self.currentx + u
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self.file_out.write(' y="%.6f"' % (self.currentx/2))
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if (w != None) :
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self.currentz = self.currentz + w
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self.file_out.write(' x="%.6f"' % self.currentz)
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self.file_out.write(' />\n')
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def add_arc(self, x=None, y=None, z=None, i=None, j=None, k=None, r=None, d=None):
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if (x == None and y == None and z == None and i == None and j == None and k == None and r == None and d == None) : return
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self.file_out.write('\t\t\t<arc')
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if (x != None) :
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if self.absolute_flag: self.currentx = x
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else: self.currentx = self.currentx + x
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self.file_out.write(' y="%.6f"' % (self.currentx/2))
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if (y != None) :
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if self.absolute_flag: self.currenty = y
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else: self.currenty = self.currenty + y
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#self.file_out.write(' y="%.6f"' % self.currenty)
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if (z != None) :
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if self.absolute_flag: self.currentz = z
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else: self.currentz = self.currentz + z
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self.file_out.write(' x="%.6f"' % self.currentz)
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#if (j != None) : self.file_out.write(' i="%.6f"' % j)
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#if (i != None) : self.file_out.write(' j="%.6f"' % i)
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#if (k != None) : self.file_out.write(' k="%.6f"' % k)
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if (k != None) : self.file_out.write(' i="%.6f"' % k)
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if (i != None) : self.file_out.write(' j="%.6f"' % i)
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if (j != None) : self.file_out.write(' k="%.6f"' % j)
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if (r != None) : self.file_out.write(' r="%.6f"' % r)
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if (d != None) : self.file_out.write(' d="%i"' % d)
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self.file_out.write(' />\n')
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def incremental(self):
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self.absolute_flag = False
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def absolute(self):
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self.absolute_flag = True
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