''' circle.py Copyright (C) 2020, 2021, 2022 Phillip A Carter Copyright (C) 2020, 2021, 2022 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('{}'.format(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, \ isCenter, xOffset, yOffset, \ kerfWidth, isExternal, \ isOvercut, overCut, \ smallHoleDia, smallHoleSpeed, \ diameter, invalidLeads): error = '' msg1 = _('entry is invalid') valid, xOffset = Conv.conv_is_float(xOffset) if not valid and xOffset: msg0 = _('X ORIGIN') error += '{} {}\n\n'.format(msg0, msg1) valid, yOffset = Conv.conv_is_float(yOffset) if not valid and yOffset: msg0 = _('Y ORIGIN') error += '{} {}\n\n'.format(msg0, msg1) valid, leadinLength = Conv.conv_is_float(leadinLength) if not valid and leadinLength : msg0 = _('LEAD IN') error += '{} {}\n\n'.format(msg0, msg1) valid, leadoutLength = Conv.conv_is_float(leadoutLength) if not valid and leadoutLength: msg0 = _('LEAD OUT') error += '{} {}\n\n'.format(msg0, msg1) valid, diameter = Conv.conv_is_float(diameter) if not valid and diameter: msg0 = _('DIAMETER') error += '{} {}\n\n'.format(msg0, msg1) valid, overCut = Conv.conv_is_float(overCut) if not valid and overCut: msg0 = _('OC LENGTH') error += '{} {}\n\n'.format(msg0, msg1) valid, kerfWidth = Conv.conv_is_float(kerfWidth) if not valid: msg = _('Invalid Kerf Width entry in material') error += '{}\n\n'.format(msg) if error: return error if diameter == 0: msg = _('DIAMETER cannot be zero') error += '{}\n\n'.format(msg) if error: return error kOffset = kerfWidth / 2 radius = diameter / 2 angle = math.radians(45) leadInOffset = math.sin(angle) * leadinLength leadOutOffset = math.sin(math.radians(45)) * leadoutLength if leadInOffset > radius - kOffset: leadInOffset = radius - kOffset if isExternal: ijOffset = (radius + kOffset) * math.sin(angle) else: ijOffset = (radius - kOffset) * math.sin(angle) if isCenter: xC = xOffset yC = yOffset else: if isExternal: xC = xOffset + radius + kOffset yC = yOffset + radius + kOffset else: xC = xOffset + radius - kOffset yC = yOffset + radius - kOffset xS = xC - ijOffset yS = yC - ijOffset right = math.radians(0) up = math.radians(90) left = math.radians(180) down = math.radians(270) if isExternal: dir = [left, down] else: dir = [right, up] if diameter < smallHoleDia: sHole = True else: sHole = False outTmp = open(fTmp, 'w') outNgc = open(fNgc, 'w') inWiz = open(fNgcBkp, 'r') for line in inWiz: if '(new conversational file)' in line: if('\\n') in preAmble: outNgc.write('(preamble)\n') for l in preAmble.split('\\n'): outNgc.write('{}\n'.format(l)) else: outNgc.write('\n{} (preamble)\n'.format(preAmble)) break elif '(postamble)' in line: break elif 'm2' in line.lower() or 'm30' in line.lower(): continue outNgc.write(line) outTmp.write('\n(conversational circle)\n') outTmp.write(';using material #{}: {}\n'.format(matNumber, matName)) outTmp.write('M190 P{}\n'.format(matNumber)) outTmp.write('M66 P3 L3 Q1\n') outTmp.write('f#<_hal[plasmac.cut-feed-rate]>\n') if leadInOffset: if (sHole and not isExternal) or invalidLeads == 2: xlStart = xS + leadInOffset * math.cos(angle) ylStart = yS + leadInOffset * math.sin(angle) else: xlcenter = xS + (leadInOffset * math.cos(angle + dir[0])) ylcenter = yS + (leadInOffset * math.sin(angle + dir[0])) xlStart = xlcenter + (leadInOffset * math.cos(angle + dir[1])) ylStart = ylcenter + (leadInOffset * math.sin(angle + dir[1])) outTmp.write('g0 x{:.6f} y{:.6f}\n'.format(xlStart, ylStart)) outTmp.write('m3 $0 s1\n') if sHole: outTmp.write('M67 E3 Q{} (reduce feed rate to 60%)\n'.format(smallHoleSpeed)) if (sHole and not isExternal) or invalidLeads == 2: outTmp.write('g1 x{:.6f} y{:.6f}\n'.format(xS, yS)) else: outTmp.write('g3 x{:.6f} y{:.6f} i{:.6f} j{:.6f}\n'.format(xS, yS, xlcenter - xlStart, ylcenter - ylStart)) else: outTmp.write('g0 x{:.6f} y{:.6f}\n'.format(xS, yS)) outTmp.write('m3 $0 s1\n') if sHole: outTmp.write('M67 E3 Q{} (reduce feed rate to 60%)\n'.format(smallHoleSpeed)) if isExternal: outTmp.write('g2 x{0:.6f} y{1:.6f} i{2:.6f} j{2:.6f}\n'.format(xS, yS, ijOffset)) else: outTmp.write('g3 x{0:.6f} y{1:.6f} i{2:.6f} j{2:.6f}\n'.format(xS, yS, ijOffset)) if leadOutOffset and not isOvercut and not (not isExternal and sHole) and not invalidLeads: if isExternal: dir = [left, up] else: dir = [right, down] xlcenter = xS + (leadOutOffset * math.cos(angle + dir[0])) ylcenter = yS + (leadOutOffset * math.sin(angle + dir[0])) xlEnd = xlcenter + (leadOutOffset * math.cos(angle + dir[1])) ylEnd = ylcenter + (leadOutOffset * math.sin(angle + dir[1])) outTmp.write('g3 x{:.6f} y{:.6f} i{:.6f} j{:.6f}\n'.format(xlEnd, ylEnd, xlcenter - xS, ylcenter - yS)) torch = True if isOvercut and sHole and not isExternal: Torch = False outTmp.write('m62 p3 (disable torch)\n') centerX = xS + ijOffset centerY = yS + ijOffset cosA = math.cos(overCut / radius) sinA = math.sin(overCut / radius) cosB = ((xS - centerX) / radius) sinB = ((yS - centerY) / radius) endX = centerX + radius * ((cosB * cosA) - (sinB * sinA)) endY = centerY + radius * ((sinB * cosA) + (cosB * sinA)) outTmp.write('g3 x{0:.6f} y{1:.6f} i{2:.6f} j{2:.6f}\n'.format(endX, endY, ijOffset)) outTmp.write('m5 $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('(postamble)\n') for l in postAmble.split('\\n'): outNgc.write('{}\n'.format(l)) else: outNgc.write('\n{} (postamble)\n'.format(postAmble)) outNgc.write('m2\n') outNgc.close() return False