''' slot.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, \ length, width, angle): 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, length = Conv.conv_is_float(length) if not valid and length: msg0 = _('LENGTH') error += '{} {}\n\n'.format(msg0, msg1) valid, width = Conv.conv_is_float(width) if not valid and width: msg0 = _('WIDTH') error += '{} {}\n\n'.format(msg0, msg1) valid, angle = Conv.conv_is_float(angle) if not valid and angle: msg0 = _('ANGLE') 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 length == 0: msg = _('LENGTH cannot be zero') error += '{}\n\n'.format(msg) if width == 0: msg = _('WIDTH cannot be zero') error += '{}\n\n'.format(msg) if width > length: msg = _('WIDTH cannot be greater than LENGTH') error += '{}\n\n'.format(msg) if error: return error if isExternal: length += kerfWidth width += kerfWidth else: length -= kerfWidth width -= kerfWidth angle = math.radians(angle) leadInOffset = math.sin(math.radians(45)) * leadinLength leadOutOffset = math.sin(math.radians(45)) * leadoutLength radius = width / 2 blLength = math.sqrt((length / 2) ** 2 + width ** 2) blAngle = math.atan(width / (length / 2)) length = length - width right = math.radians(0) up = math.radians(90) left = math.radians(180) down = math.radians(270) if isCenter: xS = xOffset + (width / 2) * math.cos(angle + up) yS = yOffset + (width / 2) * math.sin(angle + up) else: xS = xOffset + blLength * math.cos(angle + right + blAngle) yS = yOffset + blLength * math.sin(angle + right + blAngle) if isExternal: dir = [up, left, right] else: dir = [down, right, left] 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 slot)\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 > 0: xlCentre = xS + (leadInOffset * math.cos(angle + dir[0])) ylCentre = yS + (leadInOffset * math.sin(angle + dir[0])) xlStart = xlCentre + (leadInOffset * math.cos(angle + dir[1])) ylStart = ylCentre + (leadInOffset * math.sin(angle + dir[1])) outTmp.write('g0 x{:.6f} y{:.6f}\n'.format(xlStart, ylStart)) outTmp.write('m3 $0 s1\n') outTmp.write('g3 x{:.6f} y{:.6f} i{:.6f} j{:.6f}\n'.format(xS, yS , xlCentre - xlStart, ylCentre - ylStart)) else: outTmp.write('g0 x{:.6f} y{:.6f}\n'.format(xS, yS)) outTmp.write('m3 $0 s1\n') x1 = xS + (length / 2) * math.cos(angle + dir[2]) y1 = yS + (length / 2) * math.sin(angle + dir[2]) outTmp.write('g1 x{:.6f} y{:.6f}\n'.format(x1, y1)) if isExternal: xrCentre = x1 + (radius * math.cos(angle + down)) yrCentre = y1 + (radius * math.sin(angle + down)) xrEnd = xrCentre + (radius * math.cos(angle + down)) yrEnd = yrCentre + (radius * math.sin(angle + down)) outTmp.write('g2 x{:.6f} y{:.6f} i{:.6f} j{:.6f}\n'.format(xrEnd, yrEnd, xrCentre - x1, yrCentre - y1)) x2 = xrEnd + length * math.cos(angle + left) y2 = yrEnd + length * math.sin(angle + left) outTmp.write('g1 x{:.6f} y{:.6f}\n'.format(x2, y2)) xrCentre = x2 + (radius * math.cos(angle + up)) yrCentre = y2 + (radius * math.sin(angle + up)) xrEnd = xrCentre + (radius * math.cos(angle + up)) yrEnd = yrCentre + (radius * math.sin(angle + up)) outTmp.write('g2 x{:.6f} y{:.6f} i{:.6f} j{:.6f}\n'.format(xrEnd, yrEnd, xrCentre - x2, yrCentre - y2)) else: xrCentre = x1 + (radius * math.cos(angle + down)) yrCentre = y1 + (radius * math.sin(angle + down)) xrEnd = xrCentre + (radius * math.cos(angle + down)) yrEnd = yrCentre + (radius * math.sin(angle + down)) outTmp.write('g3 x{:.6f} y{:.6f} i{:.6f} j{:.6f}\n'.format(xrEnd, yrEnd, xrCentre - x1, yrCentre - y1)) x2 = xrEnd + length * math.cos(angle + right) y2 = yrEnd + length * math.sin(angle + right) outTmp.write('g1 x{:.6f} y{:.6f}\n'.format(x2, y2)) xrCentre = x2 + (radius * math.cos(angle + up)) yrCentre = y2 + (radius * math.sin(angle + up)) xrEnd = xrCentre + (radius * math.cos(angle + up)) yrEnd = yrCentre + (radius * math.sin(angle + up)) outTmp.write('g3 x{:.6f} y{:.6f} i{:.6f} j{:.6f}\n'.format(xrEnd, yrEnd, xrCentre - x2, yrCentre - y2)) outTmp.write('g1 x{:.6f} y{:.6f}\n'.format(xS, yS)) if leadOutOffset > 0: if isExternal: dir = [up, right] else: dir = [down, left] xlCentre = xS + (leadOutOffset * math.cos(angle + dir[0])) ylCentre = yS + (leadOutOffset * math.sin(angle + dir[0])) xlEnd = xlCentre + (leadOutOffset * math.cos(angle + dir[1])) ylEnd = ylCentre + (leadOutOffset * math.sin(angle + dir[1])) outTmp.write('g3 x{:.6f} y{:.6f} i{:.6f} j{:.6f}\n'.format(xlEnd, ylEnd , xlCentre - xS, ylCentre - yS)) outTmp.write('m5 $0\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