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visualizer.py
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visualizer.py
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import os
import sys
import numpy as np
from PIL import Image, ImageDraw
possible_colors = dict()
possible_colors['brown'] = [102, 82, 86]
possible_colors['blue'] = [78, 151, 228]
possible_colors['yellow'] = [249, 216, 36]
possible_colors['orange'] = [238, 75, 29]
possible_colors['green'] = [56, 131, 57]
possible_colors['red'] = [171, 24, 26]
possible_colors['purple'] = [54, 35, 88]
possible_colors['black'] = [31, 25, 33]
possible_colors['none'] = [0, 0, 0]
class GLines :
xVal = 0
yVal = 0
zVal = 0
moveType = 0
gLine = []
isG0G1 = False
isPenDown = False
isMechanical = False
penColor = ""
command = ''
update = [0,0,0] # [x,y,z]
output_type = 0
def __init__(self, output_type):
self.update = [0,0,0]
self.penColor = "none"
self.output_type = output_type
def readline(self, gline):
verboseprint(gline)
self.gLine = gline.split()
self.update = [0,0,0]
def getPos(self, resolution):
selfx = self.xVal
selfy = self.yVal
return ((resolution*selfx, resolution*(150+selfy)))
def updatePos(self, sx=0, sy=0, sz=0):
if len(self.gLine) < 1:
verboseprint("No Entry")
elif self.gLine[0]== 'G0' or self.gLine[0] == 'G1':
self.isG0G1 = True
verboseprint(' Length of command : %d ' %( len(self.gLine) ))
for term in self.gLine:
if term[0] == 'X':
iVal = float(term[1:])
if iVal != self.xVal:
self.xVal = iVal + sx
self.update[0] = 1
if term[0] == 'Y':
iVal = float( term[1:])
if iVal != self.yVal:
self.yVal = iVal + sy
self.update[1] = 1
if term[0] == 'Z':
iVal = float(term[1:])
if iVal != self.zVal:
self.zVal = iVal + sz
self.update[2] = 1
if iVal == 0:
self.isPenDown = True
elif iVal != 0:
self.isPenDown = False
def getCommand(self):
if len(self.gLine) < 1:
verboseprint("No Entry")
elif self.gLine[0][0] == ";":
if self.gLine[1] == "Refilling":
self.command = self.gLine[1:]
self.mechanicalCommand()
elif self.gLine[1] == "Setting":
self.command = self.gLine[1:]
verboseprint(self.command)
self.description = ' '.join(self.gLine)
self.updateColor()
elif self.output_type != 0:
self.command = self.gLine
self.description = "Pen color change"
self.updateColor()
elif not self.isMechanical:
# print(self.gLine)
self.command = self.gLine[0]
self.updatePos()
return self.command
def posUpdated(self):
move = False
if sum(self.update[:2]) > 0 :
move = True
return move
def getPenDown(self):
val = self.isPenDown
verboseprint(val)
return val
def getColor(self):
color = self.penColor
possible_colors = dict()
possible_colors['brown'] = [102, 82, 86]
possible_colors['blue'] = [78, 151, 228]
possible_colors['yellow'] = [249, 216, 36]
possible_colors['orange'] = [238, 75, 29]
possible_colors['green'] = [56, 131, 57]
possible_colors['red'] = [171, 24, 26]
possible_colors['purple'] = [54, 35, 88]
possible_colors['black'] = [31, 25, 33]
possible_colors['none'] = [0, 0, 0]
ret = possible_colors[color]
ret.append(int(0.5*255))
if self.output_type == 2:
return tuple(ret)
else:
return tuple(possible_colors[color])
def updateColor(self):
line = self.gLine
color = ""
for i in line:
if i.strip() in possible_colors.keys():
color = i.strip()
if not color:
return
if self.penColor != color:
self.penColor = color
print("Changing pen color to %s" % self.penColor)
def mechanicalCommand(self):
line = self.gLine
if self.isMechanical:
self.isMechanical = False
else:
self.isMechanical = True
def main(gcode_file_path, output_type, xDim, yDim, resolution):
name = gcode_file_path.split("/")[-1].split(".")[0]
output_str_lookup = {0:"outline", 1:"pen_color", 2:"watercolor"}
output_path = os.path.join(os.getcwd(), output_str_lookup[output_type], "visualizer_images", f"{name}_visualized.jpg")
if not os.path.exists(output_path):
dirs = output_path.split("\\")[:-1]
os.makedirs("\\".join(dirs), exist_ok=True)
gcode_file = open(gcode_file_path)
gcode_lines = gcode_file.readlines()
verboseprint("lines: ",len(gcode_lines))
gd = GLines(output_type)
yDim = yDim* resolution
xDim = xDim * resolution
imgDim = (xDim, yDim)
if output_type == 2:
width = 4 * resolution
else:
width = resolution
image = Image.new(mode = "RGB", size = imgDim, color=(255, 255, 255))
if output_type == 2:
draw = ImageDraw.Draw(image, "RGBA")
else:
draw = ImageDraw.Draw(image)
# plt.xlim([0, 250])
# plt.ylim([0, 150])
strokeData = []
for line in gcode_lines:
#print(line, end='')
if len(line) < 1 :
verboseprint( ' line size = ' + str( len(line)) )
continue
# Read line from the file
gd.readline(line)
# Get command ( G, M or ... )
cmd = gd.getCommand()
if cmd == 'G28':
verboseprint(' Home - Initialized ' + cmd +' \n')
strokeData.append([0, 0])
# if one of x,y,z moved
if gd.posUpdated() and gd.getPenDown():
# Record each position
strokeData.append(gd.getPos(resolution))
elif not gd.getPenDown():
#if the end of a stroke is reached (ie the pen is raised), end the previous stroke and create a new one
#print(strokeData)
draw.line(strokeData, fill=gd.getColor(), joint=None, width=width)
strokeData = []
gcode_file.close()
#print(v)
draw.line(strokeData, fill=gd.getColor(), joint=None, width=width)
image.show()
image.save(output_path)
if __name__ == '__main__':
import argparse
visualizer_parser = argparse.ArgumentParser()
visualizer_parser.add_argument("-v", default=False, action="store_true", help="Print debug statements")
visualizer_parser.add_argument("gcode_file_path", type=str, help="Path to G-Code file you would like visualized")
visualizer_parser.add_argument("output_type", default=0, type=int, help="The algorithm can generate G-code to render images 3 ways. \
Input the corresponding int: pen outline=0, colored pen=1, watercolor=2")
visualizer_parser.add_argument("xDim", nargs="?", type=int, help="x dimension in mm")
visualizer_parser.add_argument("yDim", nargs="?", type=int, help="y dimension in mm")
visualizer_parser.add_argument("resolution", type=int, help="conversion factor between millimeters declared in G-code and pixel resolution")
args = visualizer_parser.parse_args()
verbose = args.v
gcode_file_path = args.gcode_file_path
output_type = args.output_type
xDim = args.xDim
yDim = args.yDim
resolution = args.resolution
if not xDim:
yDim = 150
xDim = int(18/30 * (150))
if verbose:
def verboseprint(*args):
# Print each argument separately so caller doesn't need to
# stuff everything to be printed into a single string
for arg in args:
print(arg)
print
else:
verboseprint = lambda *a: None # do-nothing function
if not os.path.isfile(gcode_file_path):
print("The G-code instruction file specified does not exist on this path.")
sys.exit()
if output_type not in [0, 1, 2]:
raise ValueError("Invalid output type given. Please select either pen outline (0), colored pen(1), or watercolor (2)")
main(gcode_file_path, output_type, xDim, yDim, resolution)