1 from __future__ import absolute_import
2 __copyright__ = "Copyright (C) 2013 David Braam - Released under terms of the AGPLv3 License"
10 from Cura.util import profile
12 #class gcodePath(object):
13 # def __init__(self, newType, pathType, layerThickness, startPoint):
15 # self.pathType = pathType
16 # self.layerThickness = layerThickness
17 # self.points = [startPoint]
18 # self.extrusion = [0.0]
19 def gcodePath(newType, pathType, layerThickness, startPoint):
20 return {'type': newType,
22 'layerThickness': layerThickness,
23 'points': [startPoint],
30 self.extrusionAmount = 0
31 self.totalMoveTimeMinute = 0
33 self.progressCallback = None
35 def load(self, filename):
36 if os.path.isfile(filename):
37 self.filename = filename
38 self._fileSize = os.stat(filename).st_size
39 gcodeFile = open(filename, 'r')
43 def loadList(self, l):
47 def calculateWeight(self):
48 #Calculates the weight of the filament in kg
49 radius = float(profile.getProfileSetting('filament_diameter')) / 2
50 volumeM3 = (self.extrusionAmount * (math.pi * radius * radius)) / (1000*1000*1000)
51 return volumeM3 * profile.getPreferenceFloat('filament_physical_density')
53 def calculateCost(self):
54 cost_kg = profile.getPreferenceFloat('filament_cost_kg')
55 cost_meter = profile.getPreferenceFloat('filament_cost_meter')
56 if cost_kg > 0.0 and cost_meter > 0.0:
57 return "%.2f / %.2f" % (self.calculateWeight() * cost_kg, self.extrusionAmount / 1000 * cost_meter)
59 return "%.2f" % (self.calculateWeight() * cost_kg)
60 elif cost_meter > 0.0:
61 return "%.2f" % (self.extrusionAmount / 1000 * cost_meter)
64 def _load(self, gcodeFile):
67 posOffset = [0.0, 0.0, 0.0]
72 extrudeAmountMultiply = 1.0
73 totalMoveTimeMinute = 0.0
82 currentPath = gcodePath('move', pathType, layerThickness, pos)
83 currentPath['extruder'] = currentExtruder
85 currentLayer.append(currentPath)
86 for line in gcodeFile:
87 if type(line) is tuple:
90 #Parse Cura_SF comments
91 if line.startswith(';TYPE:'):
92 pathType = line[6:].strip()
95 #Slic3r GCode comment parser
96 comment = line[line.find(';')+1:].strip()
99 elif comment == 'perimeter':
100 pathType = 'WALL-INNER'
101 elif comment == 'skirt':
103 if comment.startswith('LAYER:'):
104 currentPath = gcodePath(moveType, pathType, layerThickness, currentPath['points'][-1])
105 currentPath['extruder'] = currentExtruder
106 for path in currentLayer:
107 path['points'] = numpy.array(path['points'], numpy.float32)
108 path['extrusion'] = numpy.array(path['extrusion'], numpy.float32)
109 self.layerList.append(currentLayer)
110 if self.progressCallback is not None:
111 if self.progressCallback(float(gcodeFile.tell()) / float(self._fileSize)):
112 #Abort the loading, we can safely return as the results here will be discarded
115 currentLayer = [currentPath]
116 line = line[0:line.find(';')]
117 T = getCodeInt(line, 'T')
119 if currentExtruder > 0:
120 posOffset[0] -= profile.getMachineSettingFloat('extruder_offset_x%d' % (currentExtruder))
121 posOffset[1] -= profile.getMachineSettingFloat('extruder_offset_y%d' % (currentExtruder))
123 if currentExtruder > 0:
124 posOffset[0] += profile.getMachineSettingFloat('extruder_offset_x%d' % (currentExtruder))
125 posOffset[1] += profile.getMachineSettingFloat('extruder_offset_y%d' % (currentExtruder))
127 G = getCodeInt(line, 'G')
129 if G == 0 or G == 1: #Move
130 x = getCodeFloat(line, 'X')
131 y = getCodeFloat(line, 'Y')
132 z = getCodeFloat(line, 'Z')
133 e = getCodeFloat(line, 'E')
134 #f = getCodeFloat(line, 'F')
139 pos[0] = x * scale + posOffset[0]
141 pos[1] = y * scale + posOffset[1]
143 pos[2] = z * scale + posOffset[2]
153 #if x is not None or y is not None or z is not None:
154 # diffX = oldPos[0] - pos[0]
155 # diffY = oldPos[1] - pos[1]
156 # totalMoveTimeMinute += math.sqrt(diffX * diffX + diffY * diffY) / feedRate
167 if totalExtrusion > maxExtrusion:
168 maxExtrusion = totalExtrusion
171 if moveType == 'move' and oldPos[2] != pos[2]:
172 if oldPos[2] > pos[2] and abs(oldPos[2] - pos[2]) > 5.0 and pos[2] < 1.0:
174 layerThickness = abs(oldPos[2] - pos[2])
175 if currentPath['type'] != moveType or currentPath['pathType'] != pathType:
176 currentPath = gcodePath(moveType, pathType, layerThickness, currentPath['points'][-1])
177 currentPath['extruder'] = currentExtruder
178 currentLayer.append(currentPath)
180 currentPath['points'].append(pos)
181 currentPath['extrusion'].append(e * extrudeAmountMultiply)
183 S = getCodeFloat(line, 'S')
185 totalMoveTimeMinute += S / 60.0
186 P = getCodeFloat(line, 'P')
188 totalMoveTimeMinute += P / 60.0 / 1000.0
189 elif G == 10: #Retract
190 currentPath = gcodePath('retract', pathType, layerThickness, currentPath['points'][-1])
191 currentPath['extruder'] = currentExtruder
192 currentLayer.append(currentPath)
193 currentPath['points'].append(currentPath['points'][0])
194 elif G == 11: #Push back after retract
196 elif G == 20: #Units are inches
198 elif G == 21: #Units are mm
201 x = getCodeFloat(line, 'X')
202 y = getCodeFloat(line, 'Y')
203 z = getCodeFloat(line, 'Z')
204 center = [0.0,0.0,0.0]
205 if x is None and y is None and z is None:
215 elif G == 90: #Absolute position
217 elif G == 91: #Relative position
220 x = getCodeFloat(line, 'X')
221 y = getCodeFloat(line, 'Y')
222 z = getCodeFloat(line, 'Z')
223 e = getCodeFloat(line, 'E')
227 posOffset[0] = pos[0] - x
229 posOffset[1] = pos[1] - y
231 posOffset[2] = pos[2] - z
233 print "Unknown G code:" + str(G)
235 M = getCodeInt(line, 'M')
237 if M == 0: #Message with possible wait (ignored)
239 elif M == 1: #Message with possible wait (ignored)
241 elif M == 25: #Stop SD printing
243 elif M == 80: #Enable power supply
245 elif M == 81: #Suicide/disable power supply
247 elif M == 82: #Absolute E
249 elif M == 83: #Relative E
251 elif M == 84: #Disable step drivers
253 elif M == 92: #Set steps per unit
255 elif M == 101: #Enable extruder
257 elif M == 103: #Disable extruder
259 elif M == 104: #Set temperature, no wait
261 elif M == 105: #Get temperature
263 elif M == 106: #Enable fan
265 elif M == 107: #Disable fan
267 elif M == 108: #Extruder RPM (these should not be in the final GCode, but they are)
269 elif M == 109: #Set temperature, wait
271 elif M == 110: #Reset N counter
273 elif M == 113: #Extruder PWM (these should not be in the final GCode, but they are)
275 elif M == 117: #LCD message
277 elif M == 140: #Set bed temperature
279 elif M == 190: #Set bed temperature & wait
281 elif M == 221: #Extrude amount multiplier
282 s = getCodeFloat(line, 'S')
284 extrudeAmountMultiply = s / 100.0
286 print "Unknown M code:" + str(M)
287 for path in currentLayer:
288 path['points'] = numpy.array(path['points'], numpy.float32)
289 path['extrusion'] = numpy.array(path['extrusion'], numpy.float32)
290 self.layerList.append(currentLayer)
291 if self.progressCallback is not None and self._fileSize > 0:
292 self.progressCallback(float(gcodeFile.tell()) / float(self._fileSize))
293 self.extrusionAmount = maxExtrusion
294 self.totalMoveTimeMinute = totalMoveTimeMinute
295 #print "Extruded a total of: %d mm of filament" % (self.extrusionAmount)
296 #print "Estimated print duration: %.2f minutes" % (self.totalMoveTimeMinute)
298 def getCodeInt(line, code):
299 n = line.find(code) + 1
302 m = line.find(' ', n)
306 return int(line[n:m])
310 def getCodeFloat(line, code):
311 n = line.find(code) + 1
314 m = line.find(' ', n)
317 return float(line[n:])
318 return float(line[n:m])
322 if __name__ == '__main__':
324 for filename in sys.argv[1:]:
327 print g.totalMoveTimeMinute
328 print time.time() - t