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