#!/usr/bin/env python # python face1.3.4.py # Version 1.3.4 # Dec 4 2007 # Face G-Code Generator for EMC2 """ Copyright (C) <2008> 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 . e-mail me any suggestions to "jet1024 at semo dot net" If you make money using this software you must donate $20 USD to a local food bank or the food police will get you! Think of others from time to time... To make it a menu item in Ubuntu use the Alacarte Menu Editor and add the command python YourPathToThisFile/face.py make sure you have made the file execuatble 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 2008-02-24 Rick Calder "rick at llamatrails dot com" Added option/code to select X0-Y0 position: Left-Rear or Left-Front To change the default, change line 171: 4=Left-Rear, 5=Left-Front 2010-01-06 Brad Hanken "chembal at gmail dot com" Added option and code to change the lead in and lead out amount If nothing is entered, the old calculated value of tool radius + .1 is still used """ from Tkinter import * from tkFileDialog import * from math import * from SimpleDialog import * from ConfigParser import * from decimal import * import tkMessageBox import os IN_AXIS = os.environ.has_key("AXIS_PROGRESS_BAR") class Application(Frame): def __init__(self, master=None): Frame.__init__(self, master, width=700, height=400, bd=1) self.grid() self.createMenu() self.createWidgets() def createMenu(self): #Create the Menu base self.menu = Menu(self) #Add the Menu self.master.config(menu=self.menu) #Create our File menu self.FileMenu = Menu(self.menu) #Add our Menu to the Base Menu self.menu.add_cascade(label='File', menu=self.FileMenu) #Add items to the menu self.FileMenu.add_command(label='New', command=self.Simple) self.FileMenu.add_command(label='Open', command=self.Simple) self.FileMenu.add_separator() self.FileMenu.add_command(label='Quit', command=self.quit) self.EditMenu = Menu(self.menu) self.menu.add_cascade(label='Edit', menu=self.EditMenu) self.EditMenu.add_command(label='Copy', command=self.CopyClpBd) self.EditMenu.add_command(label='Select All', command=self.SelectAllText) self.EditMenu.add_command(label='Delete All', command=self.ClearTextBox) self.EditMenu.add_separator() self.EditMenu.add_command(label='Preferences', command=self.Simple) self.EditMenu.add_command(label='NC Directory', command=self.NcFileDirectory) self.HelpMenu = Menu(self.menu) self.menu.add_cascade(label='Help', menu=self.HelpMenu) self.HelpMenu.add_command(label='Help Info', command=self.HelpInfo) self.HelpMenu.add_command(label='About', command=self.HelpAbout) def createWidgets(self): self.sp1 = Label(self) self.sp1.grid(row=0) self.st1 = Label(self, text='Part Length X ') self.st1.grid(row=1, column=0, sticky=E) self.PartLengthVar = StringVar() self.PartLength = Entry(self, width=10, textvariable=self.PartLengthVar) self.PartLength.grid(row=1, column=1, sticky=W) self.PartLength.focus_set() self.st2 = Label(self, text='Part Width Y ') self.st2.grid(row=2, column=0, sticky=E) self.PartWidthVar = StringVar() self.PartWidth = Entry(self, width=10, textvariable=self.PartWidthVar) self.PartWidth.grid(row=2, column=1, sticky=W) self.st6 = Label(self, text='Depth of Each Cut ') self.st6.grid(row=3, column=0, sticky=E) self.DepthOfCutVar = StringVar() self.DepthOfCut = Entry(self, width=10, textvariable=self.DepthOfCutVar) self.DepthOfCut.grid(row=3, column=1, sticky=W) self.st5 = Label(self, text='Amount to Remove ') self.st5.grid(row=4, column=0, sticky=E) self.TotalToRemoveVar = StringVar() self.TotalToRemove = Entry(self, width=10, textvariable=self.TotalToRemoveVar) self.TotalToRemove.grid(row=4, column=1, sticky=W) self.st3 = Label(self, text='Tool Diameter ') self.st3.grid(row=1, column=2, sticky=E) self.ToolDiameterVar = StringVar() self.ToolDiameter = Entry(self, width=10, textvariable=self.ToolDiameterVar) self.ToolDiameter.grid(row=1, column=3, sticky=W) self.st4 = Label(self, text='Feedrate ') self.st4.grid(row=2, column=2, sticky=E) self.FeedrateVar = StringVar() self.Feedrate = Entry(self, width=10, textvariable=self.FeedrateVar) self.Feedrate.grid(row=2, column=3, sticky=W) self.st4a = Label(self, text='M3 Spindle RPM ') self.st4a.grid(row=3, column=2, sticky=E) self.SpindleRPMVar = StringVar() self.SpindleRPM = Entry(self, width=10, textvariable=self.SpindleRPMVar) self.SpindleRPM.grid(row=3, column=3, sticky=W) self.st7 = Label(self, text='Stepover Percent ') self.st7.grid(row=4, column=2, sticky=E) self.StepOverVar = StringVar() self.StepOver = Entry(self, width=10, textvariable=self.StepOverVar) self.StepOver.grid(row=4, column=3, sticky=W) self.st8 = Label(self, text='Lead In / Lead Out') self.st8.grid(row=5, column=2, sticky=E) self.LeadinVar = StringVar() self.Leadin = Entry(self, width=10, textvariable=self.LeadinVar) self.Leadin.grid(row=5, column=3, sticky=W) self.spacer3 = Label(self, text='') self.spacer3.grid(row=6, column=0, columnspan=4) self.g_code = Text(self,width=30,height=30,bd=3) self.g_code.grid(row=7, column=0, columnspan=5, sticky=E+W+N+S) self.tbscroll = Scrollbar(self,command = self.g_code.yview) self.tbscroll.grid(row=7, column=5, sticky=N+S+W) self.g_code.configure(yscrollcommand = self.tbscroll.set) self.sp4 = Label(self) self.sp4.grid(row=8) self.st8=Label(self,text='Units') self.st8.grid(row=0,column=5) UnitOptions=[('Inch',1),('MM',2)] self.UnitVar=IntVar() for text, value in UnitOptions: Radiobutton(self, text=text,value=value, variable=self.UnitVar,indicatoron=0,width=6,)\ .grid(row=value, column=5) self.UnitVar.set(1) self.st9=Label(self,text='X0-Y0') self.st9.grid(row=3,column=5) HomeOptions=[('Left-Rear',4),('Left-Front',5)] self.HomeVar=IntVar() for text, value in HomeOptions: Radiobutton(self, text=text,value=value, variable=self.HomeVar,indicatoron=0,width=11,)\ .grid(row=value, column=5) self.HomeVar.set(4) self.GenButton = Button(self, text='Generate G-Code',command=self.GenCode) self.GenButton.grid(row=8, column=0) self.CopyButton = Button(self, text='Select All & Copy',command=self.SelectCopy) self.CopyButton.grid(row=8, column=1) self.WriteButton = Button(self, text='Write to File',command=self.WriteToFile) self.WriteButton.grid(row=8, column=2) 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=8, column=4, sticky=E) def WriteToAxis(self): sys.stdout.write(self.g_code.get(0.0, END)) self.quit() def GenCode(self): """ Generate the G-Code for facing a part assume that the part is at X0 to X+, Y0 to Y-""" D=Decimal # Calculate the start position 1/2 the tool diameter + 0.100 in X and Stepover in Y self.ToolRadius = self.FToD(self.ToolDiameterVar.get())/2 if len(self.LeadinVar.get())>0: self.LeadIn = self.FToD(self.LeadinVar.get()) else: self.LeadIn = self.ToolRadius + D('0.1') self.X_Start = -(self.LeadIn) self.X_End = self.FToD(self.PartLengthVar.get()) + self.LeadIn if len(self.StepOverVar.get())>0: self.Y_StepOver = (self.FToD(self.ToolDiameterVar.get())\ * self.FToD(self.StepOverVar.get())/100) else: self.Y_StepOver = self.FToD(self.ToolDiameterVar.get())*D('.75') if self.HomeVar.get()==4: self.Y_Start = (self.ToolRadius - self.Y_StepOver) self.Y_End = -(self.FToD(self.PartWidthVar.get())-\ (self.ToolRadius - self.Y_StepOver))+D('.1') else: self.Y_Start = -(self.ToolRadius - self.Y_StepOver) self.Y_End = (self.FToD(self.PartWidthVar.get())+\ (self.ToolRadius + self.Y_StepOver))+D('.1') self.Z_Total = self.FToD(self.TotalToRemoveVar.get()) if len(self.DepthOfCutVar.get())>0: self.Z_Step = self.FToD(self.DepthOfCutVar.get()) self.NumOfZSteps = int(self.FToD(self.TotalToRemoveVar.get()) / self.Z_Step) if self.Z_Total % self.Z_Step > 0: self.NumOfZSteps = self.NumOfZSteps + 1 else: self.Z_Step = 0 self.NumOfZSteps = 1 self.NumOfYSteps = int(ceil(self.FToD(self.PartWidthVar.get())/self.Y_StepOver)) self.Z_Position = 0 # Generate the G-Codes if self.UnitVar.get()==1: self.g_code.insert(END, 'G20 ') else: self.g_code.insert(END, 'G21 ') if len(self.SpindleRPMVar.get())>0: self.g_code.insert(END, 'S%i ' %(self.FToD(self.SpindleRPMVar.get()))) self.g_code.insert(END, 'M3 ') if len(self.FeedrateVar.get())>0: self.g_code.insert(END, 'F%s\n' % (self.FeedrateVar.get())) for i in range(self.NumOfZSteps): self.g_code.insert(END, 'G0 X%.4f Y%.4f\nZ0.1000\n' \ %(self.X_Start, self.Y_Start)) # Make sure the Z position does not exceed the total depth if self.Z_Step>0 and (self.Z_Total+self.Z_Position) >= self.Z_Step: self.Z_Position = self.Z_Position - self.Z_Step else: self.Z_Position = -self.Z_Total self.g_code.insert(END, 'G1 Z%.4f\n' % (self.Z_Position)) self.X_Position = self.X_Start self.Y_Position = self.Y_Start for i in range(self.NumOfYSteps): if self.X_Position == self.X_Start: self.g_code.insert(END, 'G1 X%.4f\n' % (self.X_End)) self.X_Position = self.X_End else: self.g_code.insert(END, 'G1 X%.4f\n' % (self.X_Start)) self.X_Position = self.X_Start if self.HomeVar.get()==4: self.Y_Position = self.Y_Position - self.Y_StepOver else: self.Y_Position = self.Y_Position + self.Y_StepOver if self.HomeVar.get()==4: if self.Y_Position > self.Y_End: self.g_code.insert(END, 'G0 Y%.4f\n' % (self.Y_Position)) else: if self.Y_Position < self.Y_End: self.g_code.insert(END, 'G0 Y%.4f\n' % (self.Y_Position)) self.g_code.insert(END, 'G0 Z0.1000\n') if len(self.SpindleRPMVar.get())>0: self.g_code.insert(END, 'M5\n') self.g_code.insert(END, 'G0 X0.0000 Y0.0000\nM2 (End of File)\n') def FToD(self,s): # Float To Decimal """ Returns a decimal with 4 place precision valid imputs are any fraction, whole number space fraction or decimal string. The input must be a string! """ s=s.strip(' ') # remove any leading and trailing spaces D=Decimal # Save typing P=D('0.0001') # Set the precision wanted if ' ' in s: # if it is a whole number with a fraction w,f=s.split(' ',1) w=w.strip(' ') # make sure there are no extra spaces f=f.strip(' ') n,d=f.split('/',1) return D(D(n)/D(d)+D(w)).quantize(P) elif '/' in s: # if it is just a fraction n,d=s.split('/',1) return D(D(n)/D(d)).quantize(P) return D(s).quantize(P) # if it is a decimal number already def GetIniData(self,FileName,SectionName,OptionName): """ Returns the data in the file, section, option if it exists of an .ini type file created with ConfigParser.write() If the file is not found or a section or an option is not found returns an exception """ self.cp=ConfigParser() try: self.cp.readfp(open(FileName,'r')) try: self.cp.has_section(SectionName) try: IniData=self.cp.get(SectionName,OptionName) except ConfigParser.NoOptionError: raise Exception,'NoOptionError' except ConfigParser.NoSectionError: raise Exception,'NoSectionError' except IOError: raise Exception,'NoFileError' return IniData def WriteIniData(self,FileName,SectionName,OptionName,OptionData): """ Pass the file name, section name, option name and option data When complete returns 'sucess' """ self.cp=ConfigParser() try: self.fn=open(FileName,'a') except IOError: self.fn=open(FileName,'w') if not self.cp.has_section(SectionName): self.cp.add_section(SectionName) self.cp.set(SectionName,OptionName,OptionData) self.cp.write(self.fn) self.fn.close() def GetDirectory(self): self.DirName = askdirectory(initialdir='/home',title='Please select a directory') if len(self.DirName) > 0: return self.DirName def CopyClpBd(self): self.g_code.clipboard_clear() self.g_code.clipboard_append(self.g_code.get(0.0, END)) def WriteToFile(self): try: self.NcDir = self.GetIniData('face.ini','Directories','NcFiles') self.NewFileName = asksaveasfile(initialdir=self.NcDir,mode='w', \ master=self.master,title='Create NC File',defaultextension='.ngc') self.NewFileName.write(self.g_code.get(0.0, END)) self.NewFileName.close() except: tkMessageBox.showinfo('Missing INI', 'You must set the\n' \ 'NC File Directory\n' \ 'before saving a file.\n' \ 'Go to Edit/NC Directory\n' \ 'in the menu to set this option') def NcFileDirectory(self): DirName = self.GetDirectory() if len(DirName)>0: self.WriteIniData('face.ini','Directories','NcFiles',DirName) def Simple(self): tkMessageBox.showinfo('Feature', 'Sorry this Feature has\nnot been programmed yet.') def ClearTextBox(self): self.g_code.delete(1.0,END) def SelectAllText(self): self.g_code.tag_add(SEL, '1.0', END) def SelectCopy(self): self.SelectAllText() self.CopyClpBd() def HelpInfo(self): SimpleDialog(self, text='Required fields are:\n' 'Part Width & Length,\n' 'Amount to Remove,\n' 'and Feedrate\n' 'Fractions can be entered in most fields', buttons=['Ok'], default=0, title='User Info').go() def HelpAbout(self): tkMessageBox.showinfo('Help About', 'Programmed by\n' 'Big John T\n' 'Version 1.3.4') app = Application() app.master.title('Facing G-Code Generator') app.mainloop()