#!/usr/bin/python """ Grill.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 """ 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.HoleID = [] 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='Peck Drill a Speaker Grill Pattern\n') self.st00.grid(row=0, column=0, columnspan=2) self.st01 = Label(self.EntryFrame, text='Preamble') self.st01.grid(row=2, 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=2, column=1) self.st02 = Label(self.EntryFrame, text='X Center of Grill') self.st02.grid(row=3, column=0) self.XGrillCenterVar = StringVar() self.XGrillCenterVar.set('3.0') self.XGrillCenter = Entry(self.EntryFrame, textvariable=self.XGrillCenterVar ,width=15) self.XGrillCenter.grid(row=3, column=1) self.st03 = Label(self.EntryFrame, text='Y Center of Grill') self.st03.grid(row=4, column=0) self.YGrillCenterVar = StringVar() self.YGrillCenterVar.set('4.0') self.YGrillCenter = Entry(self.EntryFrame, textvariable=self.YGrillCenterVar ,width=15) self.YGrillCenter.grid(row=4, column=1) self.st04 = Label(self.EntryFrame, text='Diameter of Grill') self.st04.grid(row=5, column=0) self.GrillDiameterVar = StringVar() self.GrillDiameterVar.set('3.0') self.GrillDiameter = Entry(self.EntryFrame, textvariable=self.GrillDiameterVar ,width=15) self.GrillDiameter.grid(row=5, column=1) self.st05 = Label(self.EntryFrame, text='Hole Spacing') self.st05.grid(row=6, column=0) self.HoleSpaceVar = StringVar() self.HoleSpaceVar.set('0.3') self.HoleSpace = Entry(self.EntryFrame, textvariable=self.HoleSpaceVar ,width=15) self.HoleSpace.grid(row=6, column=1) self.st06 = Label(self.EntryFrame, text='Final Hole Depth') self.st06.grid(row=7, column=0) self.HoleDepthVar = StringVar() self.HoleDepthVar.set('-0.25') self.HoleDepth = Entry(self.EntryFrame, textvariable=self.HoleDepthVar ,width=15) self.HoleDepth.grid(row=7, column=1) self.st07 = Label(self.EntryFrame, text='Q - peck incr') self.st07.grid(row=8, column=0) self.PeckVar = StringVar() self.PeckVar.set('0.1') self.Peck = Entry(self.EntryFrame, width=15, textvariable = self.PeckVar) self.Peck.grid(row=8, column=1) self.st08 = Label(self.EntryFrame, text='R - Safe Z') self.st08.grid(row=9, column=0) self.SafeZVar = StringVar() self.SafeZVar.set('0.05') self.SafeZ = Entry(self.EntryFrame, width=15, textvariable = self.SafeZVar) self.SafeZ.grid(row=9, column=1) self.st09 = Label(self.EntryFrame, text='Feedspeed') self.st09.grid(row=10, column=0) self.FeedspeedVar = StringVar() self.FeedspeedVar.set('5.0') self.Feedspeed = Entry(self.EntryFrame, textvariable=self.FeedspeedVar ,width=15) self.Feedspeed.grid(row=10, column=1) self.st10 = Label(self.EntryFrame, text='Drill Size') self.st10.grid(row=11, column=0) self.DrillVar = StringVar() self.DrillVar.set('0.1875') self.Drill = Entry(self.EntryFrame, textvariable=self.DrillVar ,width=15) self.Drill.grid(row=11, column=1) self.st11 = Label(self.EntryFrame, text='Postamble') self.st11.grid(row=12, 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=12, column=1) self.DoItButton = Button(self.EntryFrame, text='Recalculate', command=self.DoIt) self.DoItButton.grid(row=13, column=0) self.ToClipboard = Button(self.EntryFrame, text='To Clipboard', command=self.CopyClipboard) self.ToClipboard.grid(row=13, 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): # rough guess at number of holes each direction from centerpoint holes = int(((float(self.GrillDiameterVar.get())/float(self.HoleSpaceVar.get()))+3.0)/2.0) # erase old holes/display objects as needed for hole in self.HoleID: self.PreviewCanvas.delete(hole) self.HoleID = [] # erase old gcode as needed self.gcode = [] self.gcode.append('( Code generated by grill.py widget )') self.gcode.append('( by Lawrence Glaister VE7IT - 2008 )') self.gcode.append(self.PreambleVar.get()) self.gcode.append( 'G0 Z%.4f F%s' %(float(self.SafeZVar.get()), self.FeedspeedVar.get())) RadSQ = float(self.GrillDiameterVar.get()) / 2.0 RadSQ *= RadSQ; Scale = float(self.GrillDiameterVar.get()) * 1.2 / 300.0 DrillRad = float(self.DrillVar.get()) / 2.0 GrillRadius = float(self.GrillDiameterVar.get())/2.0 Spacing = float(self.HoleSpaceVar.get()) # circular guide self.HoleID.append(self.PreviewCanvas.create_oval( 150-GrillRadius/Scale, 150-GrillRadius/Scale, 150+GrillRadius/Scale, 150+GrillRadius/Scale, outline='green')) first = 1; numholes = 0; for x in range(-holes,holes): for y in range(-holes,holes): CurY = y * Spacing CurX = x * Spacing # the selection criterion for holes is that the center has to be inside # the requested grill diameter if (( CurY * CurY + CurX * CurX ) < RadSQ): numholes += 1 self.HoleID.append( self.PreviewCanvas.create_oval( 150+(CurX-DrillRad)/Scale, 150+(CurY-DrillRad)/Scale, 150+(CurX+DrillRad)/Scale, 150+(CurY+DrillRad)/Scale, fill='grey')) # generate the G code if first: self.gcode.append( 'G83 X%.4f Y%.4f Z%.4f Q%.4f R%.4f' %( CurX + float(self.XGrillCenterVar.get()), CurY + float(self.YGrillCenterVar.get()), float(self.HoleDepthVar.get()), float(self.PeckVar.get()), float(self.SafeZVar.get()))) first = 0 else: self.gcode.append( 'G83 X%.4f Y%.4f' %( CurX + float(self.XGrillCenterVar.get()), CurY + float(self.YGrillCenterVar.get()))) self.HoleID.append(self.PreviewCanvas.create_text(150, 295, text='%d holes'%(numholes))) 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("Grill.py 1.0 by Lawrence Glaister ") app.mainloop()