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Wang Dequan
225
lib/python/plasmac/bolt_circle.py
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225
lib/python/plasmac/bolt_circle.py
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'''
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bolt_circle.py
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Copyright (C) 2020 - 2024 Phillip A Carter
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Copyright (C) 2020 - 2024 Gregory D Carl
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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'''
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import os
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import sys
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import math
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import gettext
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for f in sys.path:
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if '/lib/python' in f:
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if '/usr' in f:
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localeDir = 'usr/share/locale'
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else:
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localeDir = os.path.join(f'{f.split("/lib")[0]}', 'share', 'locale')
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break
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gettext.install("linuxcnc", localedir=localeDir)
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# Conv is the upstream calling module
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def preview(Conv, fTmp, fNgc, fNgcBkp,
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matNumber, matName,
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preAmble, postAmble,
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leadinLength, leadoutLength, shapeAng,
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isCenter, xOffset, yOffset,
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kerfWidth,
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isOvercut, overCut,
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smallHoleDia, smallHoleSpeed,
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circleDia, holeDia, holeNum, circleAng,
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invalidLeads):
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error = ''
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msg1 = _('entry is invalid')
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valid, xOffset = Conv.conv_is_float(xOffset)
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if not valid and xOffset:
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msg0 = _('X ORIGIN')
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error += f'{msg0} {msg1}\n\n'
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valid, yOffset = Conv.conv_is_float(yOffset)
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if not valid and yOffset:
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msg0 = _('Y ORIGIN')
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error += f'{msg0} {msg1}\n\n'
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valid, leadinLength = Conv.conv_is_float(leadinLength)
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if not valid and leadinLength:
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msg0 = _('LEAD IN')
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error += f'{msg0} {msg1}\n\n'
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valid, leadoutLength = Conv.conv_is_float(leadoutLength)
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if not valid and leadoutLength:
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msg0 = _('LEAD OUT')
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error += f'{msg0} {msg1}\n\n'
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valid, circleDia = Conv.conv_is_float(circleDia)
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if not valid and circleDia:
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msg0 = _('DIAMETER')
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error += f'{msg0} {msg1}\n\n'
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valid, holeDia = Conv.conv_is_float(holeDia)
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if not valid and holeDia:
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msg0 = _('HOLE DIAMETER')
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error += f'{msg0} {msg1}\n\n'
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valid, holeNum = Conv.conv_is_int(holeNum)
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if not valid and holeNum:
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msg0 = _('# OF HOLES')
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error += f'{msg0} {msg1}\n\n'
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valid, shapeAng = Conv.conv_is_float(shapeAng)
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if not valid and shapeAng:
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msg0 = _('ANGLE')
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error += f'{msg0} {msg1}\n\n'
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valid, circleAng = Conv.conv_is_float(circleAng)
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if not valid and circleAng:
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msg0 = _('CIRCLE ANGLE')
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error += f'{msg0} {msg1}\n\n'
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valid, oclength = Conv.conv_is_float(overCut)
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if not valid and oclength:
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msg0 = _('OC LENGTH')
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error += f'{msg0} {msg1}\n\n'
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valid, kerfWidth = Conv.conv_is_float(kerfWidth)
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if not valid:
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msg0 = _('Invalid Kerf Width entry in material')
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error += f'{msg0} {msg1}\n\n'
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if error:
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return error
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if circleDia == 0:
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msg = _('DIAMETER cannot be zero')
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error += f'{msg}\n\n'
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if holeDia == 0:
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msg = _('HOLE DIAMETER cannot be zero')
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error += f'{msg}\n\n'
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if holeNum == 0:
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msg = _('# OF HOLES cannot be zero')
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error += f'{msg}\n\n'
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if circleAng == 0:
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msg = _('CIRCLE ANG cannot be zero')
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error += f'{msg}\n\n'
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if error:
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return error
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cRadius = circleDia / 2
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if circleAng == 360:
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hAngle = math.radians(circleAng / holeNum)
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else:
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hAngle = math.radians(circleAng / (holeNum - 1))
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kOffset = kerfWidth / 2
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hRadius = (holeDia / 2) - kOffset
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angle = math.radians(shapeAng)
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leadinOffset = leadinLength * math.sin(math.radians(45))
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leadoutOffset = leadoutLength * math.sin(math.radians(45))
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if leadinOffset > hRadius - kOffset:
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leadinOffset = hRadius - kOffset
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if holeDia < smallHoleDia:
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sHole = True
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else:
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sHole = False
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if isCenter:
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xC = xOffset
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yC = yOffset
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else:
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xC = xOffset + cRadius
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yC = yOffset + cRadius
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right = math.radians(0)
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up = math.radians(90)
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down = math.radians(270)
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outTmp = open(fTmp, 'w')
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outNgc = open(fNgc, 'w')
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inWiz = open(fNgcBkp, 'r')
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for line in inWiz:
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line = line.strip()
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if line and line[0] not in ';':
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if '(new conversational file)' in line:
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if('\\n') in preAmble:
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outNgc.write('(preamble)\n')
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for l in preAmble.split('\\n'):
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outNgc.write(f'{l}\n')
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else:
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outNgc.write(f'\n{preAmble} (preamble)\n')
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break
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elif '(postamble)' in line:
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break
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elif 'M2' in line.upper() or 'M02' in line.upper() or 'M30' in line.upper():
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continue
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outNgc.write(f"{line}\n")
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for hole in range(holeNum):
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outTmp.write(f'\n(conversational bolt circle, hole #{hole + 1})\n')
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outTmp.write(f';using material #{matNumber}: {matName}\n')
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outTmp.write(f'M190 P{matNumber}\n')
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outTmp.write('M66 P3 L3 Q1\n')
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outTmp.write('F#<_hal[plasmac.cut-feed-rate]>\n')
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xhC = xC + cRadius * math.cos(hAngle * hole + angle)
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yhC = yC + cRadius * math.sin(hAngle * hole + angle)
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xS = xhC - hRadius
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yS = yhC
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if sHole or invalidLeads == 2:
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xlStart = xS + leadinOffset
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ylStart = yhC
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outTmp.write(f'G00 x{xlStart:.6f} Y{ylStart:.6f}\n')
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outTmp.write('M03 $0 S1\n')
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outTmp.write(f'G01 X{xS:.6f} Y{yS:.6f}\n')
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if sHole:
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outTmp.write(f'M67 E3 Q{smallHoleSpeed}\n')
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else:
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xlCentre = xS + (leadinOffset * math.cos(angle + right))
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ylCentre = yS + (leadinOffset * math.sin(angle + right))
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xlStart = xlCentre + (leadinOffset * math.cos(angle + up))
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ylStart = ylCentre + (leadinOffset * math.sin(angle + up))
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outTmp.write(f'G00 X{xlStart:.6f} Y{ylStart:.6f}\n')
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outTmp.write('M03 $0 S1\n')
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if leadinLength:
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outTmp.write(f'G03 X{xS:.6f} Y{yS:.6f} I{xlCentre - xlStart:.6f} J{ylCentre - ylStart:.6f}\n')
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outTmp.write(f'G03 X{xS:.6f} Y{yS:.6f} I{hRadius:.6f}\n')
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torch = True
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if sHole:
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if isOvercut:
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torch = False
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outTmp.write('M62 P3 (disable torch)\n')
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centerX = xS + hRadius
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centerY = yS
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cosA = math.cos(oclength / hRadius)
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sinA = math.sin(oclength / hRadius)
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cosB = (xS - centerX) / hRadius
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sinB = (yS - centerY) / hRadius
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endX = centerX + hRadius * ((cosB * cosA) - (sinB * sinA))
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endY = centerY + hRadius * ((sinB * cosA) + (cosB * sinA))
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outTmp.write(f'G03 X{endX:.6f} Y{endY:.6f} I{hRadius:.6f} J{0:.6f}\n')
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else:
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if leadoutLength and not invalidLeads:
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xlCentre = xS + (leadoutOffset * math.cos(angle + right))
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ylCentre = yS + (leadoutOffset * math.sin(angle + right))
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xlStart = xlCentre + (leadoutOffset * math.cos(angle + down))
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ylStart = ylCentre + (leadoutOffset * math.sin(angle + down))
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outTmp.write(f'G00 X{xlStart:.6f} Y{ylStart:.6f}\n')
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outTmp.write('M03 $0 S1\n')
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if leadinLength:
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outTmp.write(f'G02 X{xS:.6f} Y{yS:.6f} I{xlCentre - xlStart:.6f} J{ylCentre - ylStart:.6f}\n')
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outTmp.write('M05 $0\n')
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if sHole:
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outTmp.write('M68 E3 Q0 (reset feed rate to 100%)\n')
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if not torch:
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torch = True
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outTmp.write('M65 P3 (enable torch)\n')
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outTmp.close()
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outTmp = open(fTmp, 'r')
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for line in outTmp:
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outNgc.write(line)
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outTmp.close()
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if('\\n') in postAmble:
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outNgc.write('\n(postamble)\n')
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for l in postAmble.split('\\n'):
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outNgc.write(f'{l}\n')
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else:
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outNgc.write(f'\n{postAmble} (postamble)\n')
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outNgc.write('M02\n')
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outNgc.close()
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return False
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