def opt(gfile, offset=(0.0,0.0,0.0), rotate=False): '''Optimization core function: Reads in gCode ascii file. Processes gcode into toolpath list figures out milling. Reorders milling to get optimal Writes out to new file.''' start = datetime.now() puts(colored.blue('Optimizing file: %s\n Started: %s'%(gfile.name,datetime.now()))) # Parse the gcode from the ascii to a list of command numbers and location gcode = GCode(gfile) gcode.parse() # Take the list and make a toolpath out of it. A toolpath is a list of locations # where the bit needs to be moved / milled : [ [x,y,z,t], ...] tool = Tool(gcode) tool.offset(offset) tool.rotate(rotate) tool.groupMills() puts(colored.blue('Toolpath length: %.2f inches, (mill only: %.2f)'%(tool.length(),tool.millLength()))) if args.setMillHeight: tool.setMillHeight(Z_MILL,Z_SPOT) tool.uniqMills() # This starts the optimization process: # start at here, and go to the next path which is closest is the overall plan puts(colored.blue('Starting Optimization:')) here = [0.0]*3 # start at the origin newMills = [] # accumulate mills here k = 0 while len(tool.mills) > 0: # No Optimization # mill = tool.mills.pop(0) # Basic optimization, find the next closest one and use it. # mill = tool.getNextMill(here) # Advanced Optimization: Assumes that each mill path closed, so finds # the mill path which is close to the point and reorders it to be so mill = tool.getClosestMill(here) # you were here, now you are there # move mills and update location newMills.append(mill) here = newMills[-1][-1] k += 1 if (k%10) == 0: sys.stdout.write('.') sys.stdout.flush() tool.mills.extend(newMills) tool.reTool(Z_MOVE) tool.uniq() puts(colored.blue('Toolpath length: %.2f inches, (mill only: %.2f)'%(tool.length(),tool.millLength()))) # Save this with the _opt file ending. output = tool.buildGcode() outfile = FILEENDING.join(os.path.splitext(gfile.name)) puts(colored.green('Writing: %s'%outfile)) with open(outfile,'w') as f: f.write(output) # how long did this take? puts(colored.green('Time to completion: %s'%(deltaTime(start)))) print
def zcorrect_file(gfile,surface_file_name = 'probe_test.out'): # Load the correction surface correction_surface = CorrectionSurface(surface_file_name) # keep track of time start = datetime.now() name = gfile if isinstance(gfile,str) else gfile.name puts(colored.blue('Z correcting the file: %s\n Started: %s'%(name,datetime.now()))) # Load the gcode. gcode = GCode(gfile) #parse the Gcode gcode.parseAll() # start an empty list #out = [] # need to get rid of use of 'loc' # loc = parse(args.move, getUnits=True) # only one move at a time. # puts(colored.blue('Moving!\n (0,0) -> (%.3f,%.3f)'%(loc[0],loc[1]))) # create a tool object (toolpath object) tool = Tool() # load the gcode into the tool object tool.build(gcode) # adjust the z position at each point by the given amount tool.zcorrect(correction_surface) ''' the follwing doe not work. is gcode.update(tool) broken?''' # load the changes back into the gcode object # append the modified g code to the empty list called out # out.append([gcode]) # gcode.update(tool) # out = gcode # convert gcode to text format # output = ''.join([o.getGcode(tag=args.name) for o in out]) # output = ''.join([out.getGcode()]) '''instead the following simgle lin suffices''' '''is any info lost by doing it this way? E F M''' # generate a gcode file from the tool object output = tool.buildGcode() # get an output file name outfile = FILEENDING.join(os.path.splitext(gfile)) print "outfile is:" print outfile # tell the user puts(colored.green('Writing: %s'%outfile)) # write to file f = open(outfile,'w') f.write(output) ''' with open(outfile,'w') as f: f.write(output) ''' # how long did this take? puts(colored.green('Time to completion: %s'%(deltaTime(start)))) print