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gcodepreview.py
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#!/usr/bin/env python
#icon "C:\Program Files\PythonSCAD\bin\openscad.exe" --trust-python
#Currently tested with 2024.09.23 and Python 3.11
#gcodepreview 0.7, for use with OpenPythonSCAD,
#if using from OpenPythonSCAD see gcodepreview.scad
import sys
# getting openscad functions into namespace
#https://github.com/gsohler/openscad/issues/39
try:
from openscad import *
except ModuleNotFoundError as e:
print("OpenSCAD module not loaded.")
# add math functions (using radians by default, convert to degrees where necessary)
import math
def gcpversion():
return 0.71
class gcodepreview:
def __init__(self, #basefilename = "export",
generatescad = False,
generategcode = False,
generatedxf = False,
# stockXwidth = 25,
# stockYheight = 25,
# stockZthickness = 1,
# zeroheight = "Top",
# stockzero = "Lower-left" ,
# retractheight = 6,
# currenttoolnum = 102,
# toolradius = 3.175,
# plunge = 100,
# feed = 400,
# speed = 10000
):
# self.basefilename = basefilename
self.generatescad = generatescad
self.generategcode = generategcode
self.generatedxf = generatedxf
# self.stockXwidth = stockXwidth
# self.stockYheight = stockYheight
# self.stockZthickness = stockZthickness
# self.zeroheight = zeroheight
# self.stockzero = stockzero
# self.retractheight = retractheight
# self.currenttoolnum = currenttoolnum
# self.toolradius = toolradius
# self.plunge = plunge
# self.feed = feed
# self.speed = speed
# global toolpaths
# self.toolpaths = cylinder(1.5875, 12.7)
# global generatedxfs
# if (self.generatescad == True):
self.generatedxfs = False
def opengcodefile(self, basefilename = "export",
currenttoolnum = 102,
toolradius = 3.175,
plunge = 400,
feed = 1600,
speed = 10000
):
self.currenttoolnum = currenttoolnum
self.toolradius = toolradius
self.plunge = plunge
self.feed = feed
self.speed = speed
if self.generategcode == True:
self.gcodefilename = basefilename + ".nc"
self.gc = open(self.gcodefilename, "w")
def opendxffile(self, basefilename = "export"):
self.basefilename = basefilename
# global generatedxfs
# global dxfclosed
self.dxfclosed = False
if self.generatedxf == True:
self.generatedxfs = False
self.dxffilename = basefilename + ".dxf"
self.dxf = open(self.dxffilename, "w")
self.dxfpreamble(-1)
def opendxffiles(self, basefilename = "export",
large_square_tool_num = 0,
small_square_tool_num = 0,
large_ball_tool_num = 0,
small_ball_tool_num = 0,
large_V_tool_num = 0,
small_V_tool_num = 0,
DT_tool_num = 0,
KH_tool_num = 0,
Roundover_tool_num = 0,
MISC_tool_num = 0):
# global generatedxfs
self.basefilename = basefilename
self.generatedxfs = True
self.large_square_tool_num = large_square_tool_num
self.small_square_tool_num = small_square_tool_num
self.large_ball_tool_num = large_ball_tool_num
self.small_ball_tool_num = small_ball_tool_num
self.large_V_tool_num = large_V_tool_num
self.small_V_tool_num = small_V_tool_num
self.DT_tool_num = DT_tool_num
self.KH_tool_num = KH_tool_num
self.Roundover_tool_num = Roundover_tool_num
self.MISC_tool_num = MISC_tool_num
if self.generatedxf == True:
if (large_square_tool_num > 0):
self.dxflgsqfilename = basefilename + str(large_square_tool_num) + ".dxf"
# print("Opening ", str(self.dxflgsqfilename))
self.dxflgsq = open(self.dxflgsqfilename, "w")
if (small_square_tool_num > 0):
# print("Opening small square")
self.dxfsmsqfilename = basefilename + str(small_square_tool_num) + ".dxf"
self.dxfsmsq = open(self.dxfsmsqfilename, "w")
if (large_ball_tool_num > 0):
# print("Opening large ball")
self.dxflgblfilename = basefilename + str(large_ball_tool_num) + ".dxf"
self.dxflgbl = open(self.dxflgblfilename, "w")
if (small_ball_tool_num > 0):
# print("Opening small ball")
self.dxfsmblfilename = basefilename + str(small_ball_tool_num) + ".dxf"
self.dxfsmbl = open(self.dxfsmblfilename, "w")
if (large_V_tool_num > 0):
# print("Opening large V")
self.dxflgVfilename = basefilename + str(large_V_tool_num) + ".dxf"
self.dxflgV = open(self.dxflgVfilename, "w")
if (small_V_tool_num > 0):
# print("Opening small V")
self.dxfsmVfilename = basefilename + str(small_V_tool_num) + ".dxf"
self.dxfsmV = open(self.dxfsmVfilename, "w")
if (DT_tool_num > 0):
# print("Opening DT")
self.dxfDTfilename = basefilename + str(DT_tool_num) + ".dxf"
self.dxfDT = open(self.dxfDTfilename, "w")
if (KH_tool_num > 0):
# print("Opening KH")
self.dxfKHfilename = basefilename + str(KH_tool_num) + ".dxf"
self.dxfKH = open(self.dxfKHfilename, "w")
if (Roundover_tool_num > 0):
# print("Opening Rt")
self.dxfRtfilename = basefilename + str(Roundover_tool_num) + ".dxf"
self.dxfRt = open(self.dxfRtfilename, "w")
if (MISC_tool_num > 0):
# print("Opening Mt")
self.dxfMtfilename = basefilename + str(MISC_tool_num) + ".dxf"
self.dxfMt = open(self.dxfMtfilename, "w")
if (large_square_tool_num > 0):
self.dxfpreamble(large_square_tool_num)
if (small_square_tool_num > 0):
self.dxfpreamble(small_square_tool_num)
if (large_ball_tool_num > 0):
self.dxfpreamble(large_ball_tool_num)
if (small_ball_tool_num > 0):
self.dxfpreamble(small_ball_tool_num)
if (large_V_tool_num > 0):
self.dxfpreamble(large_V_tool_num)
if (small_V_tool_num > 0):
self.dxfpreamble(small_V_tool_num)
if (DT_tool_num > 0):
self.dxfpreamble(DT_tool_num)
if (KH_tool_num > 0):
self.dxfpreamble(KH_tool_num)
if (Roundover_tool_num > 0):
self.dxfpreamble(Roundover_tool_num)
if (MISC_tool_num > 0):
self.dxfpreamble(MISC_tool_num)
def writegc(self, *arguments):
line_to_write = ""
for element in arguments:
line_to_write += element
self.gc.write(line_to_write)
self.gc.write("\n")
def writedxf(self, toolnumber, *arguments):
# global dxfclosed
line_to_write = ""
for element in arguments:
line_to_write += element
if self.generatedxf == True:
if self.dxfclosed == False:
self.dxf.write(line_to_write)
self.dxf.write("\n")
if self.generatedxfs == True:
self.writedxfs(toolnumber, line_to_write)
def writedxfs(self, toolnumber, line_to_write):
# print("Processing writing toolnumber", toolnumber)
# line_to_write = ""
# for element in arguments:
# line_to_write += element
if (toolnumber == 0):
return
elif self.generatedxfs == True:
if (self.large_square_tool_num == toolnumber):
self.dxflgsq.write(line_to_write)
self.dxflgsq.write("\n")
if (self.small_square_tool_num == toolnumber):
self.dxfsmsq.write(line_to_write)
self.dxfsmsq.write("\n")
if (self.large_ball_tool_num == toolnumber):
self.dxflgbl.write(line_to_write)
self.dxflgbl.write("\n")
if (self.small_ball_tool_num == toolnumber):
self.dxfsmbl.write(line_to_write)
self.dxfsmbl.write("\n")
if (self.large_V_tool_num == toolnumber):
self.dxflgV.write(line_to_write)
self.dxflgV.write("\n")
if (self.small_V_tool_num == toolnumber):
self.dxfsmV.write(line_to_write)
self.dxfsmV.write("\n")
if (self.DT_tool_num == toolnumber):
self.dxfDT.write(line_to_write)
self.dxfDT.write("\n")
if (self.KH_tool_num == toolnumber):
self.dxfKH.write(line_to_write)
self.dxfKH.write("\n")
if (self.Roundover_tool_num == toolnumber):
self.dxfRt.write(line_to_write)
self.dxfRt.write("\n")
if (self.MISC_tool_num == toolnumber):
self.dxfMt.write(line_to_write)
self.dxfMt.write("\n")
def setupstock(self, stockXwidth,
stockYheight,
stockZthickness,
zeroheight,
stockzero,
retractheight):
self.stockXwidth = stockXwidth
self.stockYheight = stockYheight
self.stockZthickness = stockZthickness
self.zeroheight = zeroheight
self.stockzero = stockzero
self.retractheight = retractheight
# global mpx
self.mpx = float(0)
# global mpy
self.mpy = float(0)
# global mpz
self.mpz = float(0)
# global tpz
self.tpz = float(0)
# global currenttoolnum
self.currenttoolnum = 102
# global currenttoolshape
self.currenttoolshape = cylinder(12.7, 1.5875)
# global stock
self.stock = cube([stockXwidth, stockYheight, stockZthickness])
if self.generategcode == True:
self.writegc("(Design File: " + self.basefilename + ")")
if self.zeroheight == "Top":
if self.stockzero == "Lower-Left":
self.stock = stock.translate([0,0,-self.stockZthickness])
if self.generategcode == True:
self.writegc("(stockMin:0.00mm, 0.00mm, -",str(self.stockZthickness),"mm)")
self.writegc("(stockMax:",str(self.stockXwidth),"mm, ",str(stockYheight),"mm, 0.00mm)")
self.writegc("(STOCK/BLOCK, ",str(self.stockXwidth),", ",str(self.stockYheight),", ",str(self.stockZthickness),", 0.00, 0.00, ",str(self.stockZthickness),")")
if self.stockzero == "Center-Left":
self.stock = self.stock.translate([0,-stockYheight / 2,-stockZthickness])
if self.generategcode == True:
self.writegc("(stockMin:0.00mm, -",str(self.stockYheight/2),"mm, -",str(self.stockZthickness),"mm)")
self.writegc("(stockMax:",str(self.stockXwidth),"mm, ",str(self.stockYheight/2),"mm, 0.00mm)")
self.writegc("(STOCK/BLOCK, ",str(self.stockXwidth),", ",str(self.stockYheight),", ",str(self.stockZthickness),", 0.00, ",str(self.stockYheight/2),", ",str(self.stockZthickness),")");
if self.stockzero == "Top-Left":
self.stock = self.stock.translate([0,-self.stockYheight,-self.stockZthickness])
if self.generategcode == True:
self.writegc("(stockMin:0.00mm, -",str(self.stockYheight),"mm, -",str(self.stockZthickness),"mm)")
self.writegc("(stockMax:",str(self.stockXwidth),"mm, 0.00mm, 0.00mm)")
self.writegc("(STOCK/BLOCK, ",str(self.stockXwidth),", ",str(self.stockYheight),", ",str(self.stockZthickness),", 0.00, ",str(self.stockYheight),", ",str(self.stockZthickness),")")
if self.stockzero == "Center":
self.stock = self.stock.translate([-self.stockXwidth / 2,-self.stockYheight / 2,-self.stockZthickness])
if self.generategcode == True:
self.writegc("(stockMin: -",str(self.stockXwidth/2),", -",str(self.stockYheight/2),"mm, -",str(self.stockZthickness),"mm)")
self.writegc("(stockMax:",str(self.stockXwidth/2),"mm, ",str(self.stockYheight/2),"mm, 0.00mm)")
self.writegc("(STOCK/BLOCK, ",str(self.stockXwidth),", ",str(self.stockYheight),", ",str(self.stockZthickness),", ",str(self.stockXwidth/2),", ", str(self.stockYheight/2),", ",str(self.stockZthickness),")")
if self.zeroheight == "Bottom":
if self.stockzero == "Lower-Left":
self.stock = self.stock.translate([0,0,0])
if self.generategcode == True:
self.writegc("(stockMin:0.00mm, 0.00mm, 0.00mm)")
self.writegc("(stockMax:",str(self.stockXwidth),"mm, ",str(self.stockYheight),"mm, ",str(self.stockZthickness),"mm)")
self.writegc("(STOCK/BLOCK, ",str(self.stockXwidth),", ",str(self.stockYheight),", ",str(self.stockZthickness),", 0.00, 0.00, 0.00)")
if self.stockzero == "Center-Left":
self.stock = self.stock.translate([0,-self.stockYheight / 2,0])
if self.generategcode == True:
self.writegc("(stockMin:0.00mm, -",str(self.stockYheight/2),"mm, 0.00mm)")
self.writegc("(stockMax:",str(self.stockXwidth),"mm, ",str(self.stockYheight/2),"mm, -",str(self.stockZthickness),"mm)")
self.writegc("(STOCK/BLOCK, ",str(self.stockXwidth),", ",str(self.stockYheight),", ",str(self.stockZthickness),", 0.00, ",str(self.stockYheight/2),", 0.00mm)");
if self.stockzero == "Top-Left":
self.stock = self.stock.translate([0,-self.stockYheight,0])
if self.generategcode == True:
self.writegc("(stockMin:0.00mm, -",str(self.stockYheight),"mm, 0.00mm)")
self.writegc("(stockMax:",str(self.stockXwidth),"mm, 0.00mm, ",str(self.stockZthickness),"mm)")
self.writegc("(STOCK/BLOCK, ",str(self.stockXwidth),", ",str(self.stockYheight),", ",str(self.stockZthickness),", 0.00, ",str(self.stockYheight),", 0.00)")
if self.stockzero == "Center":
self.stock = self.stock.translate([-self.stockXwidth / 2,-self.stockYheight / 2,0])
if self.generategcode == True:
self.writegc("(stockMin: -",str(self.stockXwidth/2),", -",str(self.stockYheight/2),"mm, 0.00mm)")
self.writegc("(stockMax:",str(self.stockXwidth/2),"mm, ",str(self.stockYheight/2),"mm, ",str(self.stockZthickness),"mm)")
self.writegc("(STOCK/BLOCK, ",str(self.stockXwidth),", ",str(self.stockYheight),", ",str(self.stockZthickness),", ",str(self.stockXwidth/2),", ", str(self.stockYheight/2),", 0.00)")
if self.generategcode == True:
self.writegc("G90");
self.writegc("G21");
def xpos(self):
# global mpx
return self.mpx
def ypos(self):
# global mpy
return self.mpy
def zpos(self):
# global mpz
return self.mpz
def tzpos(self):
# global tpz
return self.tpz
def setxpos(self, newxpos):
# global mpx
self.mpx = newxpos
def setypos(self, newypos):
# global mpy
self.mpy = newypos
def setzpos(self, newzpos):
# global mpz
self.mpz = newzpos
def settzpos(self, newtzpos):
# global tpz
self.tpz = newtzpos
def settool(self,tn):
# global currenttoolnum
self.currenttoolnum = tn
def currenttoolnumber(self):
# global currenttoolnum
return self.currenttoolnum
def currentroundovertoolnumber(self):
# global Roundover_tool_num
return self.Roundover_tool_num
def endmill_square(self, es_diameter, es_flute_length):
return cylinder(r1=(es_diameter / 2), r2=(es_diameter / 2), h=es_flute_length, center = False)
def gcp_endmill_ball(self, es_diameter, es_flute_length):
b = sphere(r=(es_diameter / 2))
s = cylinder(r1=(es_diameter / 2), r2=(es_diameter / 2), h=es_flute_length, center=False)
p = union(b,s)
return p.translate([0, 0, (es_diameter / 2)])
def gcp_endmill_v(self, es_v_angle, es_diameter):
es_v_angle = math.radians(es_v_angle)
v = cylinder(r1=0, r2=(es_diameter / 2), h=((es_diameter / 2) / math.tan((es_v_angle / 2))), center=False)
s = cylinder(r1=(es_diameter / 2), r2=(es_diameter / 2), h=((es_diameter * 8) ), center=False)
sh = s.translate([0, 0, ((es_diameter / 2) / math.tan((es_v_angle / 2)))])
return union(v,sh)
def gcp_keyhole(self, es_diameter, es_flute_length):
return cylinder(r1=(es_diameter / 2), r2=(es_diameter / 2), h=es_flute_length, center=False)
def gcp_keyhole_shaft(self, es_diameter, es_flute_length):
return cylinder(r1=(es_diameter / 2), r2=(es_diameter / 2), h=es_flute_length, center=False)
def gcp_dovetail(self, dt_bottomdiameter, dt_topdiameter, dt_height, dt_angle):
return cylinder(r1=(dt_bottomdiameter / 2), r2=(dt_topdiameter / 2), h= dt_height, center=False)
def currenttool(self):
# global currenttoolshape
return self.currenttoolshape
def toolchange(self,tool_number,speed):
# global currenttoolshape
self.currenttoolshape = self.endmill_square(0.001, 0.001)
self.settool(tool_number)
if (self.generategcode == True):
self.writegc("(Toolpath)")
self.writegc("M05")
if (tool_number == 201):
self.writegc("(TOOL/MILL,6.35, 0.00, 0.00, 0.00)")
self.currenttoolshape = self.endmill_square(6.35, 19.05)
elif (tool_number == 102):
self.writegc("(TOOL/MILL,3.175, 0.00, 0.00, 0.00)")
self.currenttoolshape = self.endmill_square(3.175, 12.7)
elif (tool_number == 112):
self.writegc("(TOOL/MILL,1.5875, 0.00, 0.00, 0.00)")
self.currenttoolshape = self.endmill_square(1.5875, 6.35)
elif (tool_number == 122):
self.writegc("(TOOL/MILL,0.79375, 0.00, 0.00, 0.00)")
self.currenttoolshape = self.endmill_square(0.79375, 1.5875)
elif (tool_number == 202):
self.writegc("(TOOL/MILL,6.35, 3.175, 0.00, 0.00)")
self.currenttoolshape = self.gcp_endmill_ball(6.35, 19.05)
elif (tool_number == 101):
self.writegc("(TOOL/MILL,3.175, 1.5875, 0.00, 0.00)")
self.currenttoolshape = self.gcp_endmill_ball(3.175, 12.7)
elif (tool_number == 111):
self.writegc("(TOOL/MILL,1.5875, 0.79375, 0.00, 0.00)")
self.currenttoolshape = self.gcp_endmill_ball(1.5875, 6.35)
elif (tool_number == 121):
self.writegc("(TOOL/MILL,3.175, 0.79375, 0.00, 0.00)")
self.currenttoolshape = self.gcp_endmill_ball(0.79375, 1.5875)
elif (tool_number == 327):
self.writegc("(TOOL/MILL,0.03, 0.00, 13.4874, 30.00)")
self.currenttoolshape = self.gcp_endmill_v(60, 26.9748)
elif (tool_number == 301):
self.writegc("(TOOL/MILL,0.03, 0.00, 6.35, 45.00)")
self.currenttoolshape = self.gcp_endmill_v(90, 12.7)
elif (tool_number == 302):
self.writegc("(TOOL/MILL,0.03, 0.00, 10.998, 30.00)")
self.currenttoolshape = self.gcp_endmill_v(60, 12.7)
elif (tool_number == 390):
self.writegc("(TOOL/MILL,0.03, 0.00, 1.5875, 45.00)")
self.currenttoolshape = self.gcp_endmill_v(90, 3.175)
elif (tool_number == 374):
self.writegc("(TOOL/MILL,9.53, 0.00, 3.17, 0.00)")
elif (tool_number == 375):
self.writegc("(TOOL/MILL,9.53, 0.00, 3.17, 0.00)")
elif (tool_number == 376):
self.writegc("(TOOL/MILL,12.7, 0.00, 4.77, 0.00)")
elif (tool_number == 378):
self.writegc("(TOOL/MILL,12.7, 0.00, 4.77, 0.00)")
elif (tool_number == 814):
self.writegc("(TOOL/MILL,12.7, 6.367, 12.7, 0.00)")
#dt_bottomdiameter, dt_topdiameter, dt_height, dt_angle)
#https://www.leevalley.com/en-us/shop/tools/power-tool-accessories/router-bits/30172-dovetail-bits?item=18J1607
self.currenttoolshape = self.gcp_dovetail(12.7, 6.367, 12.7, 14)
elif (tool_number == 56125):#0.508/2, 1.531
self.writegc("(TOOL/CRMILL, 0.508, 6.35, 3.175, 7.9375, 3.175)")
elif (tool_number == 56142):#0.508/2, 2.921
self.writegc("(TOOL/CRMILL, 0.508, 3.571875, 1.5875, 5.55625, 1.5875)")
# elif (tool_number == 312):#1.524/2, 3.175
# self.writegc("(TOOL/CRMILL, Diameter1, Diameter2,Radius, Height, Length)")
elif (tool_number == 1570):#0.507/2, 4.509
self.writegc("(TOOL/CRMILL, 0.17018, 9.525, 4.7625, 12.7, 4.7625)")
self.writegc("M6T",str(tool_number))
self.writegc("M03S",str(speed))
def tool_diameter(self, ptd_tool, ptd_depth):
# Square 122,112,102,201
if ptd_tool == 122:
return 0.79375
if ptd_tool == 112:
return 1.5875
if ptd_tool == 102:
return 3.175
if ptd_tool == 201:
return 6.35
# Ball 121,111,101,202
if ptd_tool == 122:
if ptd_depth > 0.396875:
return 0.79375
else:
return ptd_tool
if ptd_tool == 112:
if ptd_depth > 0.79375:
return 1.5875
else:
return ptd_tool
if ptd_tool == 101:
if ptd_depth > 1.5875:
return 3.175
else:
return ptd_tool
if ptd_tool == 202:
if ptd_depth > 3.175:
return 6.35
else:
return ptd_tool
# V 301, 302, 390
if ptd_tool == 301:
return ptd_tool
if ptd_tool == 302:
return ptd_tool
if ptd_tool == 390:
return ptd_tool
# Keyhole
if ptd_tool == 374:
if ptd_depth < 3.175:
return 9.525
else:
return 6.35
if ptd_tool == 375:
if ptd_depth < 3.175:
return 9.525
else:
return 8
if ptd_tool == 376:
if ptd_depth < 4.7625:
return 12.7
else:
return 6.35
if ptd_tool == 378:
if ptd_depth < 4.7625:
return 12.7
else:
return 8
# Dovetail
if ptd_tool == 814:
if ptd_depth > 12.7:
return 6.35
else:
return 12.7
def tool_radius(self, ptd_tool, ptd_depth):
tr = self.tool_diameter(ptd_tool, ptd_depth)/2
return tr
#def popengcodefile(fn):
# global f
# f = open(fn, "w")
#
#def popendxffile(fn):
# global dxf
# dxf = open(fn, "w")
#
#def popendxflgblfile(fn):
# global dxflgbl
# dxflgbl = open(fn, "w")
#
#def popendxflgsqfile(fn):
# global dxflgsq
# dxflgsq = open(fn, "w")
#
#def popendxflgVfile(fn):
# global dxflgV
# dxflgV = open(fn, "w")
#
#def popendxfsmblfile(fn):
# global dxfsmbl
# dxfsmbl = open(fn, "w")
#
#def popendxfsmsqfile(fn):
# global dxfsmsq
# dxfsmsq = open(fn, "w")
#
#def popendxfsmVfile(fn):
# global dxfsmV
# dxfsmV = open(fn, "w")
#
#def popendxfKHfile(fn):
# global dxfKH
# dxfKH = open(fn, "w")
#
#def popendxfDTfile(fn):
# global dxfDT
# dxfDT = open(fn, "w")
#
#def writedxflgbl(*arguments):
# line_to_write = ""
# for element in arguments:
# line_to_write += element
# dxflgbl.write(line_to_write)
# print(line_to_write)
# dxflgbl.write("\n")
#
#def writedxflgsq(*arguments):
# line_to_write = ""
# for element in arguments:
# line_to_write += element
# dxflgsq.write(line_to_write)
# print(line_to_write)
# dxflgsq.write("\n")
#
#def writedxflgV(*arguments):
# line_to_write = ""
# for element in arguments:
# line_to_write += element
# dxflgV.write(line_to_write)
# print(line_to_write)
# dxflgV.write("\n")
#
#def writedxfsmbl(*arguments):
# line_to_write = ""
# for element in arguments:
# line_to_write += element
# dxfsmbl.write(line_to_write)
# print(line_to_write)
# dxfsmbl.write("\n")
#
#def writedxfsmsq(*arguments):
# line_to_write = ""
# for element in arguments:
# line_to_write += element
# dxfsmsq.write(line_to_write)
# print(line_to_write)
# dxfsmsq.write("\n")
#
#def writedxfsmV(*arguments):
# line_to_write = ""
# for element in arguments:
# line_to_write += element
# dxfsmV.write(line_to_write)
# print(line_to_write)
# dxfsmV.write("\n")
#
#def writedxfKH(*arguments):
# line_to_write = ""
# for element in arguments:
# line_to_write += element
# dxfKH.write(line_to_write)
# print(line_to_write)
# dxfKH.write("\n")
#
#def writedxfDT(*arguments):
# line_to_write = ""
# for element in arguments:
# line_to_write += element
# dxfDT.write(line_to_write)
# print(line_to_write)
# dxfDT.write("\n")
#
def dxfpreamble(self, tn):
# self.writedxf(tn,str(tn))
self.writedxf(tn,"0")
self.writedxf(tn,"SECTION")
self.writedxf(tn,"2")
self.writedxf(tn,"ENTITIES")
def dxfline(self, tn, xbegin,ybegin,xend,yend):
self.writedxf(tn,"0")
self.writedxf(tn,"LWPOLYLINE")
self.writedxf(tn,"90")
self.writedxf(tn,"2")
self.writedxf(tn,"70")
self.writedxf(tn,"0")
self.writedxf(tn,"43")
self.writedxf(tn,"0")
self.writedxf(tn,"10")
self.writedxf(tn,str(xbegin))
self.writedxf(tn,"20")
self.writedxf(tn,str(ybegin))
self.writedxf(tn,"10")
self.writedxf(tn,str(xend))
self.writedxf(tn,"20")
self.writedxf(tn,str(yend))
def dxfpostamble(self,tn):
# self.writedxf(tn,str(tn))
self.writedxf(tn,"0")
self.writedxf(tn,"ENDSEC")
self.writedxf(tn,"0")
self.writedxf(tn,"EOF")
def gcodepostamble(self):
self.writegc("Z12.700")
self.writegc("M05")
self.writegc("M02")
def closegcodefile(self):
self.gcodepostamble()
self.gc.close()
def closedxffile(self):
if self.generatedxf == True:
# global dxfclosed
self.dxfclosed = True
self.dxfpostamble(-1)
self.dxf.close()
def closedxffiles(self):
if self.generatedxfs == True:
if (self.large_square_tool_num > 0):
self.dxfpostamble(self.large_square_tool_num)
if (self.small_square_tool_num > 0):
self.dxfpostamble(self.small_square_tool_num)
if (self.large_ball_tool_num > 0):
self.dxfpostamble(self.large_ball_tool_num)
if (self.small_ball_tool_num > 0):
self.dxfpostamble(self.small_ball_tool_num)
if (self.large_V_tool_num > 0):
self.dxfpostamble(self.large_V_tool_num)
if (self.small_V_tool_num > 0):
self.dxfpostamble(self.small_V_tool_num)
if (self.DT_tool_num > 0):
self.dxfpostamble(self.DT_tool_num)
if (self.KH_tool_num > 0):
self.dxfpostamble(self.KH_tool_num)
if (self.Roundover_tool_num > 0):
self.dxfpostamble(self.Roundover_tool_num)
if (self.MISC_tool_num > 0):
self.dxfpostamble(self.MISC_tool_num)
if (self.large_square_tool_num > 0):
self.dxflgsq.close()
if (self.small_square_tool_num > 0):
self.dxfsmsq.close()
if (self.large_ball_tool_num > 0):
self.dxflgbl.close()
if (self.small_ball_tool_num > 0):
self.dxfsmbl.close()
if (self.large_V_tool_num > 0):
self.dxflgV.close()
if (self.small_V_tool_num > 0):
self.dxfsmV.close()
if (self.DT_tool_num > 0):
self.dxfDT.close()
if (self.KH_tool_num > 0):
self.dxfKH.close()
if (self.Roundover_tool_num > 0):
self.dxfRt.close()
if (self.MISC_tool_num > 0):
self.dxfMt.close()
def movetosafeZ(self):
# global toolpaths
self.writegc("(Move to safe Z to avoid workholding)")
self.writegc("G53G0Z-5.000")
self.setzpos(self.retractheight)
toolpath = cylinder(1.5875,12.7)
toolpath = toolpath.translate([self.xpos(),self.ypos(),self.zpos()])
# self.toolpaths = union([self.toolpaths, toolpath])
return toolpath
def rapid(self, ex, ey, ez):
# global toolpath
# global toolpaths
self.writegc("G00 X", str(ex), " Y", str(ey), " Z", str(ez))
start = self.currenttool()
start = start.translate([self.xpos(), self.ypos(), self.zpos()])
toolpath = hull(start, start.translate([ex,ey,ez]))
self.setxpos(ex)
self.setypos(ey)
self.setzpos(ez)
# self.toolpaths = union([self.toolpaths, toolpath])
return toolpath
def rapidXY(self, ex, ey):
# global toolpath
# global toolpaths
self.writegc("G00 X", str(ex), " Y", str(ey))
start = self.currenttool()
start = start.translate([self.xpos(), self.ypos(), self.zpos()])
toolpath = hull(start, start.translate([ex,ey,self.zpos()]))
self.setxpos(ex)
self.setypos(ey)
# self.toolpaths = union([self.toolpaths, toolpath])
return toolpath
def rapidZ(self, ez):
# global toolpath
# global toolpaths
self.writegc("G00 Z", str(ez))
start = self.currenttool()
start = start.translate([self.xpos(), self.ypos(), self.zpos()])
toolpath = hull(start, start.translate([self.xpos(),self.ypos(),ez]))
self.setzpos(ez)
# self.toolpaths = union([self.toolpaths, toolpath])
return toolpath
def cutline(self,ex, ey, ez):
# global toolpath
# global toolpaths
# print("cutline tool #", self.currenttoolnumber())
if (self.currenttoolnumber() == 56142):
# print("cutline tool internal #", self.currenttoolnumber())
toolpath = self.cutroundovertool(self.xpos(), self.ypos(), self.zpos(), ex, ey, ez, 0.508/2, 1.531)
elif (self.currenttoolnumber() == 56125):
toolpath = self.cutroundovertool(self.xpos(), self.ypos(), self.zpos(), ex, ey, ez, 0.508/2, 2.921)
# elif (self.currenttoolnumber() == 312):
# toolpath = self.cutroundovertool(self.xpos(), self.ypos(), self.zpos(), ex, ey, ez, 1.524/2, 3.175)
elif (self.currenttoolnumber() == 1570):
toolpath = self.cutroundovertool(self.xpos(), self.ypos(), self.zpos(), ex, ey, ez, 0.507/2, 4.509)
elif (self.currenttoolnumber() == 374):
# self.writegc("(TOOL/MILL,9.53, 0.00, 3.17, 0.00)")
shaft = cylinder(9.525, 6.35/2, 6.35/2)
shaftend = shaft
shaftbegin = shaft.translate([self.xpos(), self.ypos(), self.zpos()])
shaftpath = hull(shaftbegin, shaftend.translate([ex,ey,ez]))
start = cylinder(3.175, 9.525/2, 9.525/2)
end = start
start = start.translate([self.xpos(), self.ypos(), self.zpos()])
cutpath = hull(start, end.translate([ex,ey,ez]))
toolpath = union(shaftpath, cutpath)
elif (self.currenttoolnumber() == 375):
# self.writegc("(TOOL/MILL,9.53, 0.00, 3.17, 0.00)")
shaft = cylinder(9.525, 8/2, 8/2)
shaftend = shaft
shaftbegin = shaft.translate([self.xpos(), self.ypos(), self.zpos()])
shaftpath = hull(shaftbegin, shaftend.translate([ex,ey,ez]))
start = cylinder(3.175, 9.525/2, 9.525/2)
end = start
start = start.translate([self.xpos(), self.ypos(), self.zpos()])
cutpath = hull(start, end.translate([ex,ey,ez]))
toolpath = union(shaftpath, cutpath)
elif (self.currenttoolnumber() == 376):
# self.writegc("(TOOL/MILL,12.7, 0.00, 4.77, 0.00)")
shaft = cylinder(9.525, 6.35/2, 6.35/2)
shaftend = shaft
shaftbegin = shaft.translate([self.xpos(), self.ypos(), self.zpos()])
shaftpath = hull(shaftbegin, shaftend.translate([ex,ey,ez]))
start = cylinder(3.175, 12.7/2, 12.7/2)
end = start
start = start.translate([self.xpos(), self.ypos(), self.zpos()])
cutpath = hull(start, end.translate([ex,ey,ez]))
toolpath = union(shaftpath, cutpath)
elif (self.currenttoolnumber() == 378):
# self.writegc("(TOOL/MILL,12.7, 0.00, 4.77, 0.00)")
shaft = cylinder(9.525, 8/2, 8/2)
shaftend = shaft
shaftbegin = shaft.translate([self.xpos(), self.ypos(), self.zpos()])
shaftpath = hull(shaftbegin, shaftend.translate([ex,ey,ez]))
start = cylinder(3.175, 12.7/2, 12.7/2)
end = start
start = start.translate([self.xpos(), self.ypos(), self.zpos()])
cutpath = hull(start, end.translate([ex,ey,ez]))
toolpath = union(shaftpath, cutpath)
else:
start = self.currenttool()
start = start.translate([self.xpos(), self.ypos(), self.zpos()])
end = self.currenttool()
toolpath = hull(start, end.translate([ex,ey,ez]))
self.setxpos(ex)
self.setypos(ey)
self.setzpos(ez)
# self.toolpaths = union([self.toolpaths, toolpath])
return toolpath
def cutZgcfeed(self, ez, feed):
self.writegc("G01 Z", str(ez), "F",str(feed))
return self.cutline(self.xpos(),self.ypos(),ez)
def cutlinedxfgc(self,ex, ey, ez):
self.dxfline(self.currenttoolnumber(), self.xpos(), self.ypos(), ex, ey)
self.writegc("G01 X", str(ex), " Y", str(ey), " Z", str(ez))
return self.cutline(ex, ey, ez)
def cutlinedxfgcfeed(self,ex, ey, ez, feed):
self.dxfline(self.currenttoolnumber(), self.xpos(), self.ypos(), ex, ey)
self.writegc("G01 X", str(ex), " Y", str(ey), " Z", str(ez), " F", str(feed))
return self.cutline(ex, ey, ez)
def cutroundovertool(self, bx, by, bz, ex, ey, ez, tool_radius_tip, tool_radius_width):
# n = 90 + fn*3
# print("Tool dimensions", tool_radius_tip, tool_radius_width, "begin ",bx, by, bz,"end ", ex, ey, ez)
step = 4 #360/n
shaft = cylinder(step,tool_radius_tip,tool_radius_tip)
toolpath = hull(shaft.translate([bx,by,bz]), shaft.translate([ex,ey,ez]))
shaft = cylinder(tool_radius_width*2,tool_radius_tip+tool_radius_width,tool_radius_tip+tool_radius_width)
toolpath = toolpath.union(hull(shaft.translate([bx,by,bz+tool_radius_width]), shaft.translate([ex,ey,ez+tool_radius_width])))
for i in range(1, 90, 1):
angle = i
dx = tool_radius_width*math.cos(math.radians(angle))
dxx = tool_radius_width*math.cos(math.radians(angle+1))
dzz = tool_radius_width*math.sin(math.radians(angle))
dz = tool_radius_width*math.sin(math.radians(angle+1))
dh = abs(dzz-dz)+0.0001
slice = cylinder(dh,tool_radius_tip+tool_radius_width-dx,tool_radius_tip+tool_radius_width-dxx)
toolpath = toolpath.union(hull(slice.translate([bx,by,bz+dz]), slice.translate([ex,ey,ez+dz])))
return toolpath
def arcloop(self, barc, earc, xcenter, ycenter, radius):
# global toolpath
toolpath = self.currenttool()
toolpath = toolpath.translate([self.xpos(),self.ypos(),self.zpos()])
i = barc
while i < earc:
toolpath = toolpath.union(self.cutline(xcenter + radius * math.cos(math.radians(i)), ycenter + radius * math.sin(math.radians(i)), self.zpos()-(self.tzpos())))
self.setxpos(xcenter + radius * math.cos(math.radians(i)))
self.setypos(ycenter + radius * math.sin(math.radians(i)))
i += 1
# self.dxfarc(self.currenttoolnumber(), xcenter, ycenter, radius, barc, earc)
return toolpath
def narcloop(barc,earc, xcenter, ycenter, radius):
# global toolpath
toolpath = self.currenttool()
toolpath = toolpath.translate([self.xpos(),self.ypos(),self.zpos()])
i = barc
while i > earc:
toolpath = toolpath.union(self.cutline(xcenter + radius * math.cos(math.radians(i)), ycenter + radius * math.sin(math.radians(i)), self.zpos()-(self.tzpos())))
self.setxpos(xcenter + radius * math.cos(math.radians(i)))
self.setypos(ycenter + radius * math.sin(math.radians(i)))
# print(str(self.xpos()), str(self.ypos()))
i += -1
# self.dxfarc(self.currenttoolnumber(), xcenter, ycenter, radius, barc, earc)
return toolpath
def dxfarc(self, tn, xcenter, ycenter, radius, anglebegin, endangle):
if (self.generatedxf == True):
self.writedxf(tn, "0")
self.writedxf(tn, "ARC")
self.writedxf(tn, "10")
self.writedxf(tn, str(xcenter))
self.writedxf(tn, "20")
self.writedxf(tn, str(ycenter))
self.writedxf(tn, "40")
self.writedxf(tn, str(radius))
self.writedxf(tn, "50")
self.writedxf(tn, str(anglebegin))
self.writedxf(tn, "51")
self.writedxf(tn, str(endangle))
def gcodearc(self, xcenter, ycenter, radius, anglebegin, endangle, tn):
if (self.generategcode == True):
self.writegc(tn, "(0)")
def cutarcNECCdxf(self, ex, ey, ez, xcenter, ycenter, radius):
# global toolpath
toolpath = self.currenttool()
toolpath = toolpath.translate([self.xpos(),self.ypos(),self.zpos()])
self.dxfarc(self.currenttoolnumber(), xcenter,ycenter,radius,0,90)
if (self.zpos == ez):
self.settzpos(0)
else:
self.settzpos((self.zpos()-ez)/90)
toolpath = self.arcloop(1,90, xcenter, ycenter, radius)
self.setxpos(ex)
self.setypos(ey)
self.setzpos(ez)
return toolpath
def cutarcNWCCdxf(self, ex, ey, ez, xcenter, ycenter, radius):
# global toolpath
toolpath = self.currenttool()
toolpath = toolpath.translate([self.xpos(),self.ypos(),self.zpos()])
self.dxfarc(self.currenttoolnumber(), xcenter,ycenter,radius,90,180)
if (self.zpos == ez):
self.settzpos(0)
else:
self.settzpos((self.zpos()-ez)/90)
toolpath = self.arcloop(91,180, xcenter, ycenter, radius)
self.setxpos(ex)
self.setypos(ey)
self.setzpos(ez)
return toolpath
def cutarcSWCCdxf(self, ex, ey, ez, xcenter, ycenter, radius):
# global toolpath
toolpath = self.currenttool()
toolpath = toolpath.translate([self.xpos(),self.ypos(),self.zpos()])
self.dxfarc(self.currenttoolnumber(), xcenter,ycenter,radius,180,270)
if (self.zpos == ez):
self.settzpos(0)
else:
self.settzpos((self.zpos()-ez)/90)
toolpath = self.arcloop(181,270, xcenter, ycenter, radius)
self.setxpos(ex)
self.setypos(ey)
self.setzpos(ez)
return toolpath
def cutarcSECCdxf(self, ex, ey, ez, xcenter, ycenter, radius):
# global toolpath
toolpath = self.currenttool()
toolpath = toolpath.translate([self.xpos(),self.ypos(),self.zpos()])
self.dxfarc(self.currenttoolnumber(), xcenter,ycenter,radius,270,360)
if (self.zpos == ez):
self.settzpos(0)
else:
self.settzpos((self.zpos()-ez)/90)
toolpath = self.arcloop(271,360, xcenter, ycenter, radius)
self.setxpos(ex)
self.setypos(ey)
self.setzpos(ez)
return toolpath
def cutarcNECWdxf(self, ex, ey, ez, xcenter, ycenter, radius):
# global toolpath
toolpath = self.currenttool()
toolpath = toolpath.translate([self.xpos(),self.ypos(),self.zpos()])
self.dxfarc(self.currenttoolnumber(), xcenter,ycenter,radius,0,90)
if (self.zpos == ez):
self.settzpos(0)
else:
self.settzpos((self.zpos()-ez)/90)
toolpath = self.narcloop(89,0, xcenter, ycenter, radius)
self.setxpos(ex)
self.setypos(ey)
self.setzpos(ez)
return toolpath
def cutarcSECWdxf(self, ex, ey, ez, xcenter, ycenter, radius):
# global toolpath
toolpath = self.currenttool()
toolpath = toolpath.translate([self.xpos(),self.ypos(),self.zpos()])
self.dxfarc(self.currenttoolnumber(), xcenter,ycenter,radius,270,360)
if (self.zpos == ez):
self.settzpos(0)
else:
self.settzpos((self.zpos()-ez)/90)
toolpath = self.narcloop(359,270, xcenter, ycenter, radius)
self.setxpos(ex)
self.setypos(ey)