#!/usr/bin/python """ bezel-10.py G-Code Generator Version 1.0 Copyright (C) <2008> based on work by -- thanks John! 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 3 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, see . To make it a menu item in Ubuntu use the Alacarte Menu Editor and add the command python YourPathToThisFile/grill.py make sure you have made the file executable by right clicking and selecting properties then Permissions and Execute To use with EMC2 see the instructions at: http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Simple_EMC_G-Code_Generators Version 1.0 intial port from cp1 code """ from Tkinter import * from math import * import os IN_AXIS = os.environ.has_key("AXIS_PROGRESS_BAR") class Application(Frame): def __init__(self, master=None): Frame.__init__(self, master) self.grid() self.createWidgets() self.DoIt() def createWidgets(self): self.segID = [] self.gcode = [] self.PreviewFrame = Frame(self,bd=5) self.PreviewFrame.grid(row=0, column=0) self.PreviewCanvas = Canvas(self.PreviewFrame,width=300, height=300, bg='white', bd='3', relief = 'raised') self.PreviewCanvas.grid(sticky=N+S+E+W) self.XLine = self.PreviewCanvas.create_line(15,150,285,150, fill = 'green') self.YLine = self.PreviewCanvas.create_line(150,15,150,285, fill = 'green') self.EntryFrame = Frame(self,bd=5) self.EntryFrame.grid(row=0, column=1) self.st00 = Label(self.EntryFrame, text='Engrave a Control Bezel\n') self.st00.grid(row=0, column=0, columnspan=2) self.st01 = Label(self.EntryFrame, text='Preamble') self.st01.grid(row=1, column=0) self.PreambleVar = StringVar() self.PreambleVar.set('G17 G20 G90 G64 P0.003 M3 S3000 M7') self.Preamble = Entry(self.EntryFrame, textvariable=self.PreambleVar ,width=35) self.Preamble.grid(row=1, column=1) self.NormalColor = self.Preamble.cget('bg') self.st02 = Label(self.EntryFrame, text='X Center of Bezel') self.st02.grid(row=2, column=0) self.XBezelCenterVar = StringVar() self.XBezelCenterVar.set('1.0') self.XBezelCenter = Entry(self.EntryFrame, textvariable=self.XBezelCenterVar ,width=15) self.XBezelCenter.grid(row=2, column=1) self.st03 = Label(self.EntryFrame, text='Y Center of Bezel') self.st03.grid(row=3, column=0) self.YBezelCenterVar = StringVar() self.YBezelCenterVar.set('2.0') self.YBezelCenter = Entry(self.EntryFrame, textvariable=self.YBezelCenterVar ,width=15) self.YBezelCenter.grid(row=3, column=1) self.st04 = Label(self.EntryFrame, text='Inner Radius of Bezel') self.st04.grid(row=4, column=0) self.BezelInnerRVar = StringVar() self.BezelInnerRVar.set('0.6') self.BezelInnerR = Entry(self.EntryFrame, textvariable=self.BezelInnerRVar ,width=15) self.BezelInnerR.grid(row=4, column=1) self.st05 = Label(self.EntryFrame, text='Minor Tick Radius of Bezel') self.st05.grid(row=5, column=0) self.BezelMinorRVar = StringVar() self.BezelMinorRVar.set('0.75') self.BezelMinorR = Entry(self.EntryFrame, textvariable=self.BezelMinorRVar ,width=15) self.BezelMinorR.grid(row=5, column=1) self.st06 = Label(self.EntryFrame, text='Major Tick Radius of Bezel') self.st06.grid(row=6, column=0) self.BezelMajorRVar = StringVar() self.BezelMajorRVar.set('0.85') self.BezelMajorR = Entry(self.EntryFrame, textvariable=self.BezelMajorRVar ,width=15) self.BezelMajorR.grid(row=6, column=1) self.st07 = Label(self.EntryFrame, text='Start Angle of Bezel') self.st07.grid(row=7, column=0) self.BezelStartAVar = StringVar() self.BezelStartAVar.set('-60.0') self.BezelStartA = Entry(self.EntryFrame, textvariable=self.BezelStartAVar ,width=15) self.BezelStartA.grid(row=7, column=1) self.st08 = Label(self.EntryFrame, text='End Angle of Bezel') self.st08.grid(row=8, column=0) self.BezelEndAVar = StringVar() self.BezelEndAVar.set('240.0') self.BezelEndA = Entry(self.EntryFrame, textvariable=self.BezelEndAVar ,width=15) self.BezelEndA.grid(row=8, column=1) self.st09 = Label(self.EntryFrame, text='Number of Ticks') self.st09.grid(row=9, column=0) self.BezelNumTicksVar = StringVar() self.BezelNumTicksVar.set('37') self.BezelNumTicks = Entry(self.EntryFrame, textvariable=self.BezelNumTicksVar ,width=15) self.BezelNumTicks.grid(row=9, column=1) self.st10 = Label(self.EntryFrame, text='Major Ticks Every') self.st10.grid(row=10, column=0) self.BezelTicksEveryVar = StringVar() self.BezelTicksEveryVar.set('4') self.BezelTicksEvery = Entry(self.EntryFrame, textvariable=self.BezelTicksEveryVar ,width=15) self.BezelTicksEvery.grid(row=10, column=1) self.st11 = Label(self.EntryFrame, text='Engraving Depth') self.st11.grid(row=11, column=0) self.DepthVar = StringVar() self.DepthVar.set('-0.010') self.Depth = Entry(self.EntryFrame, textvariable=self.DepthVar ,width=15) self.Depth.grid(row=11, column=1) self.st12 = Label(self.EntryFrame, text='Safe Z') self.st12.grid(row=12, column=0) self.SafeZVar = StringVar() self.SafeZVar.set('+0.100') self.SafeZ = Entry(self.EntryFrame, width=15, textvariable = self.SafeZVar) self.SafeZ.grid(row=12, column=1) self.st13 = Label(self.EntryFrame, text='Feedspeed') self.st13.grid(row=13, column=0) self.FeedspeedVar = StringVar() self.FeedspeedVar.set('5.0') self.Feedspeed = Entry(self.EntryFrame, textvariable=self.FeedspeedVar ,width=15) self.Feedspeed.grid(row=13, column=1) self.st14 = Label(self.EntryFrame, text='Postamble') self.st14.grid(row=14, column=0) self.PostambleVar = StringVar() self.PostambleVar.set('M5 M9 M2') self.Postamble = Entry(self.EntryFrame, textvariable=self.PostambleVar ,width=15) self.Postamble.grid(row=14, column=1) self.DoItButton = Button(self.EntryFrame, text='Recalculate', command=self.DoIt) self.DoItButton.grid(row=16, column=0) self.ToClipboard = Button(self.EntryFrame, text='To Clipboard', command=self.CopyClipboard) self.ToClipboard.grid(row=16, column=1) if IN_AXIS: self.quitButton = Button(self, text='Write to AXIS and Quit',command=self.WriteToAxis) else: self.quitButton = Button(self, text='Quit', command=self.quit) self.quitButton.grid(row=13, column=0, sticky=S) def DoIt(self): # range check inputs for gross errors self.BezelInnerR.configure( bg = self.NormalColor ) if float(self.BezelInnerR.get()) < 0.0: self.BezelInnerR.configure( bg = 'red' ) return self.BezelMinorR.configure( bg = self.NormalColor ) if float(self.BezelMinorR.get()) < 0.0: self.BezelMinorR.configure( bg = 'red' ) return self.BezelMajorR.configure( bg = self.NormalColor ) if float(self.BezelMajorR.get()) < 0.0: self.BezelMajorR.configure( bg = 'red' ) return self.BezelNumTicks.configure( bg = self.NormalColor ) if int(self.BezelNumTicks.get()) < 2: self.BezelNumTicks.configure( bg = 'red' ) return self.Feedspeed.configure( bg = self.NormalColor ) if float(self.Feedspeed.get()) <= 0.0: self.Feedspeed.configure( bg = 'red' ) return # erase old segs/display objects as needed for seg in self.segID: self.PreviewCanvas.delete(seg) self.segID = [] # erase old gcode as needed self.gcode = [] # temps used for bezel calcs SafeZ = float(self.SafeZVar.get()) FeedSpeed= float(self.FeedspeedVar.get()) NumTicks = int(self.BezelNumTicksVar.get()) StartA = float(self.BezelStartAVar.get()) EndA = float(self.BezelEndAVar.get()) DeltaA = (EndA - StartA) / (float(NumTicks) - 1.0) XCenter = float(self.XBezelCenterVar.get()) YCenter = float(self.YBezelCenterVar.get()) InnerR = float(self.BezelInnerRVar.get()) MinorR = float(self.BezelMinorRVar.get()) MajorR = float(self.BezelMajorRVar.get()) Depth = float(self.DepthVar.get()) Every = int(self.BezelTicksEveryVar.get()) Scale = MajorR * 2.0 * 1.2 / 300.0 # nominal inches(mm) / pixel for plotting TwoPi = 6.283185307 DegToRad = TwoPi/360.0 self.gcode.append('( Code generated by bezel-10.py widget )') self.gcode.append('( by Lawrence Glaister VE7IT - 2008 )') self.gcode.append(self.PreambleVar.get()) self.gcode.append( 'G0 Z%.4f F%s' %(SafeZ, FeedSpeed)) self.gcode.append('( Engraving a %.4f dia bezel at %.4f,%.4f )' %(MajorR*2.0,XCenter,YCenter)) for tick in range(0,NumTicks): angle = StartA + tick * DeltaA # calculate co-ordinates of inner point on tick mark x1 = InnerR * cos( angle * DegToRad ) y1 = InnerR * sin( angle * DegToRad ) # move to inner radius of tick mark self.gcode.append( 'G0 X%.4f Y%.4f' %(x1+XCenter, y1+YCenter)) # set to cutting height self.gcode.append( 'G1 Z%.4f' %(Depth)) if ( (tick % Every) == 0 ): rad = MajorR else: rad = MinorR # compute outer point of tick mark x2 = rad * cos( angle * DegToRad ) y2 = rad * sin( angle * DegToRad ) # cut to outer radius of tick mark self.gcode.append( 'G1 X%.4f Y%.4f' %(x2+XCenter, y2+YCenter)) # raise engraver self.gcode.append( 'G0 Z%.4f' %(SafeZ)) self.segID.append( self.PreviewCanvas.create_line( 150+x1/Scale, 150-y1/Scale,150+x2/Scale, 150-y2/Scale, fill = 'black', width = 2)) # spot drill the center point of the bezel self.gcode.append( 'G0 X%.4f Y%.4f' %(XCenter, YCenter)) self.gcode.append( 'G1 Z%.4f G4 P0.5' %(Depth)) self.gcode.append( 'G0 Z%.4f' %(SafeZ)) # finish up with icing self.gcode.append(self.PostambleVar.get()) def CopyClipboard(self): self.clipboard_clear() for line in self.gcode: self.clipboard_append(line+'\n') def WriteToAxis(self): for line in self.gcode: sys.stdout.write(line+'\n') self.quit() app = Application() app.master.title("bezel.py 1.0 by Lawrence Glaister ") app.mainloop()