1 from __future__ import absolute_import
9 from Cura.util import util3d
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.list = [startPoint]
23 self.extrusionAmount = 0
24 self.totalMoveTimeMinute = 0
25 self.progressCallback = None
27 def load(self, filename):
28 if os.path.isfile(filename):
29 self._fileSize = os.stat(filename).st_size
30 gcodeFile = open(filename, 'r')
34 def loadList(self, l):
37 def calculateWeight(self):
38 #Calculates the weight of the filament in kg
39 radius = float(profile.getProfileSetting('filament_diameter')) / 2
40 volumeM3 = (self.extrusionAmount * (math.pi * radius * radius)) / (1000*1000*1000)
41 return volumeM3 * profile.getPreferenceFloat('filament_density')
43 def calculateCost(self):
44 cost_kg = profile.getPreferenceFloat('filament_cost_kg')
45 cost_meter = profile.getPreferenceFloat('filament_cost_meter')
46 if cost_kg > 0.0 and cost_meter > 0.0:
47 return "%.2f / %.2f" % (self.calculateWeight() * cost_kg, self.extrusionAmount / 1000 * cost_meter)
49 return "%.2f" % (self.calculateWeight() * cost_kg)
50 elif cost_meter > 0.0:
51 return "%.2f" % (self.extrusionAmount / 1000 * cost_meter)
54 def _load(self, gcodeFile):
55 pos = util3d.Vector3()
56 posOffset = util3d.Vector3()
61 extrudeAmountMultiply = 1.0
62 totalMoveTimeMinute = 0.0
70 currentPath = gcodePath('move', pathType, layerThickness, pos.copy())
71 currentPath.list[0].e = totalExtrusion
72 currentPath.list[0].extrudeAmountMultiply = extrudeAmountMultiply
73 currentLayer.append(currentPath)
74 for line in gcodeFile:
75 if type(line) is tuple:
78 #Parse Cura_SF comments
79 if line.startswith(';TYPE:'):
80 pathType = line[6:].strip()
83 #Slic3r GCode comment parser
84 comment = line[line.find(';')+1:].strip()
87 elif comment == 'perimeter':
88 pathType = 'WALL-INNER'
89 elif comment == 'skirt':
91 if comment.startswith('LAYER:'):
92 self.layerList.append(currentLayer)
93 if self.progressCallback is not None:
94 if self.progressCallback(float(gcodeFile.tell()) / float(self._fileSize)):
95 #Abort the loading, we can safely return as the results here will be discarded
99 line = line[0:line.find(';')]
100 T = self.getCodeInt(line, 'T')
102 if currentExtruder > 0:
103 posOffset.x -= profile.getPreferenceFloat('extruder_offset_x%d' % (currentExtruder))
104 posOffset.y -= profile.getPreferenceFloat('extruder_offset_y%d' % (currentExtruder))
106 if currentExtruder > 0:
107 posOffset.x += profile.getPreferenceFloat('extruder_offset_x%d' % (currentExtruder))
108 posOffset.y += profile.getPreferenceFloat('extruder_offset_y%d' % (currentExtruder))
110 G = self.getCodeInt(line, 'G')
112 if G == 0 or G == 1: #Move
113 x = self.getCodeFloat(line, 'X')
114 y = self.getCodeFloat(line, 'Y')
115 z = self.getCodeFloat(line, 'Z')
116 e = self.getCodeFloat(line, 'E')
117 f = self.getCodeFloat(line, 'F')
121 pos.x = x * scale + posOffset.x
126 pos.y = y * scale + posOffset.y
131 pos.z = z * scale + posOffset.z
136 if x is not None or y is not None or z is not None:
137 totalMoveTimeMinute += (oldPos - pos).vsize() / feedRate
152 totalExtrusion += e - currentE
154 if totalExtrusion > maxExtrusion:
155 maxExtrusion = totalExtrusion
156 if moveType == 'move' and oldPos.z != pos.z:
157 if oldPos.z > pos.z and abs(oldPos.z - pos.z) > 5.0 and pos.z < 1.0:
159 layerThickness = abs(oldPos.z - pos.z)
160 if currentPath.type != moveType or currentPath.pathType != pathType:
161 currentPath = gcodePath(moveType, pathType, layerThickness, currentPath.list[-1])
162 currentLayer.append(currentPath)
164 newPos.e = totalExtrusion
165 newPos.extrudeAmountMultiply = extrudeAmountMultiply
166 currentPath.list.append(newPos)
168 S = self.getCodeFloat(line, 'S')
170 totalMoveTimeMinute += S / 60
171 P = self.getCodeFloat(line, 'P')
173 totalMoveTimeMinute += P / 60 / 1000
174 elif G == 20: #Units are inches
176 elif G == 21: #Units are mm
179 x = self.getCodeFloat(line, 'X')
180 y = self.getCodeFloat(line, 'Y')
181 z = self.getCodeFloat(line, 'Z')
182 if x is None and y is None and z is None:
183 pos = util3d.Vector3()
191 elif G == 90: #Absolute position
193 elif G == 91: #Relative position
196 x = self.getCodeFloat(line, 'X')
197 y = self.getCodeFloat(line, 'Y')
198 z = self.getCodeFloat(line, 'Z')
199 e = self.getCodeFloat(line, 'E')
203 posOffset.x = pos.x - x
205 posOffset.y = pos.y - y
207 posOffset.z = pos.z - z
209 print "Unknown G code:" + str(G)
211 M = self.getCodeInt(line, 'M')
213 if M == 0: #Message with possible wait (ignored)
215 elif M == 1: #Message with possible wait (ignored)
217 elif M == 80: #Enable power supply
219 elif M == 81: #Suicide/disable power supply
221 elif M == 82: #Absolute E
223 elif M == 83: #Relative E
225 elif M == 84: #Disable step drivers
227 elif M == 92: #Set steps per unit
229 elif M == 101: #Enable extruder
231 elif M == 103: #Disable extruder
233 elif M == 104: #Set temperature, no wait
235 elif M == 105: #Get temperature
237 elif M == 106: #Enable fan
239 elif M == 107: #Disable fan
241 elif M == 108: #Extruder RPM (these should not be in the final GCode, but they are)
243 elif M == 109: #Set temperature, wait
245 elif M == 110: #Reset N counter
247 elif M == 113: #Extruder PWM (these should not be in the final GCode, but they are)
249 elif M == 117: #LCD message
251 elif M == 140: #Set bed temperature
253 elif M == 190: #Set bed temperature & wait
255 elif M == 221: #Extrude amount multiplier
256 s = self.getCodeFloat(line, 'S')
258 extrudeAmountMultiply = s / 100.0
260 print "Unknown M code:" + str(M)
261 self.layerList.append(currentLayer)
262 if self.progressCallback is not None and self._fileSize > 0:
263 self.progressCallback(float(gcodeFile.tell()) / float(self._fileSize))
264 self.extrusionAmount = maxExtrusion
265 self.totalMoveTimeMinute = totalMoveTimeMinute
266 #print "Extruded a total of: %d mm of filament" % (self.extrusionAmount)
267 #print "Estimated print duration: %.2f minutes" % (self.totalMoveTimeMinute)
269 def getCodeInt(self, line, code):
270 n = line.find(code) + 1
273 m = line.find(' ', n)
277 return int(line[n:m])
281 def getCodeFloat(self, line, code):
282 n = line.find(code) + 1
285 m = line.find(' ', n)
288 return float(line[n:])
289 return float(line[n:m])
293 if __name__ == '__main__':
295 for filename in sys.argv[1:]:
298 print g.totalMoveTimeMinute
299 print time.time() - t