1 from __future__ import absolute_import
8 from Cura.util import util3d
9 from Cura.util import profile
11 class gcodePath(object):
12 def __init__(self, newType, pathType, layerThickness, startPoint):
14 self.pathType = pathType
15 self.layerThickness = layerThickness
16 self.list = [startPoint]
22 self.extrusionAmount = 0
23 self.totalMoveTimeMinute = 0
24 self.progressCallback = None
26 def load(self, filename):
27 if os.path.isfile(filename):
28 self._fileSize = os.stat(filename).st_size
29 gcodeFile = open(filename, 'r')
33 def loadList(self, l):
36 def calculateWeight(self):
37 #Calculates the weight of the filament in kg
38 radius = float(profile.getProfileSetting('filament_diameter')) / 2
39 volumeM3 = (self.extrusionAmount * (math.pi * radius * radius)) / (1000*1000*1000)
40 return volumeM3 * profile.getPreferenceFloat('filament_density')
42 def calculateCost(self):
43 cost_kg = profile.getPreferenceFloat('filament_cost_kg')
44 cost_meter = profile.getPreferenceFloat('filament_cost_meter')
45 if cost_kg > 0.0 and cost_meter > 0.0:
46 return "%.2f / %.2f" % (self.calculateWeight() * cost_kg, self.extrusionAmount / 1000 * cost_meter)
48 return "%.2f" % (self.calculateWeight() * cost_kg)
49 elif cost_meter > 0.0:
50 return "%.2f" % (self.extrusionAmount / 1000 * cost_meter)
53 def _load(self, gcodeFile):
54 pos = util3d.Vector3()
55 posOffset = util3d.Vector3()
60 extrudeAmountMultiply = 1.0
61 totalMoveTimeMinute = 0.0
69 currentPath = gcodePath('move', pathType, layerThickness, pos.copy())
70 currentPath.list[0].e = totalExtrusion
71 currentPath.list[0].extrudeAmountMultiply = extrudeAmountMultiply
72 currentLayer.append(currentPath)
73 for line in gcodeFile:
74 if type(line) is tuple:
77 #Parse Cura_SF comments
78 if line.startswith(';TYPE:'):
79 pathType = line[6:].strip()
82 #Slic3r GCode comment parser
83 comment = line[line.find(';')+1:].strip()
86 elif comment == 'perimeter':
87 pathType = 'WALL-INNER'
88 elif comment == 'skirt':
90 if comment.startswith('LAYER:'):
91 self.layerList.append(currentLayer)
92 if self.progressCallback is not None:
93 if self.progressCallback(float(gcodeFile.tell()) / float(self._fileSize)):
94 #Abort the loading, we can safely return as the results here will be discarded
98 line = line[0:line.find(';')]
99 T = self.getCodeInt(line, 'T')
101 if currentExtruder > 0:
102 posOffset.x -= profile.getPreferenceFloat('extruder_offset_x%d' % (currentExtruder))
103 posOffset.y -= profile.getPreferenceFloat('extruder_offset_y%d' % (currentExtruder))
105 if currentExtruder > 0:
106 posOffset.x += profile.getPreferenceFloat('extruder_offset_x%d' % (currentExtruder))
107 posOffset.y += profile.getPreferenceFloat('extruder_offset_y%d' % (currentExtruder))
109 G = self.getCodeInt(line, 'G')
111 if G == 0 or G == 1: #Move
112 x = self.getCodeFloat(line, 'X')
113 y = self.getCodeFloat(line, 'Y')
114 z = self.getCodeFloat(line, 'Z')
115 e = self.getCodeFloat(line, 'E')
116 f = self.getCodeFloat(line, 'F')
120 pos.x = x * scale + posOffset.x
125 pos.y = y * scale + posOffset.y
130 pos.z = z * scale + posOffset.z
135 if x is not None or y is not None or z is not None:
136 totalMoveTimeMinute += math.sqrt((oldPos.x - pos.x) * (oldPos.x - pos.x) + (oldPos.y - pos.y) * (oldPos.y - pos.y)) / feedRate
151 totalExtrusion += e - currentE
153 if totalExtrusion > maxExtrusion:
154 maxExtrusion = totalExtrusion
155 if moveType == 'move' and oldPos.z != pos.z:
156 if oldPos.z > pos.z and abs(oldPos.z - pos.z) > 5.0 and pos.z < 1.0:
158 layerThickness = abs(oldPos.z - pos.z)
159 if currentPath.type != moveType or currentPath.pathType != pathType:
160 currentPath = gcodePath(moveType, pathType, layerThickness, currentPath.list[-1])
161 currentLayer.append(currentPath)
163 newPos.e = totalExtrusion
164 newPos.extrudeAmountMultiply = extrudeAmountMultiply
165 currentPath.list.append(newPos)
167 S = self.getCodeFloat(line, 'S')
169 totalMoveTimeMinute += S / 60
170 P = self.getCodeFloat(line, 'P')
172 totalMoveTimeMinute += P / 60 / 1000
173 elif G == 20: #Units are inches
175 elif G == 21: #Units are mm
178 x = self.getCodeFloat(line, 'X')
179 y = self.getCodeFloat(line, 'Y')
180 z = self.getCodeFloat(line, 'Z')
181 if x is None and y is None and z is None:
182 pos = util3d.Vector3()
190 elif G == 90: #Absolute position
192 elif G == 91: #Relative position
195 x = self.getCodeFloat(line, 'X')
196 y = self.getCodeFloat(line, 'Y')
197 z = self.getCodeFloat(line, 'Z')
198 e = self.getCodeFloat(line, 'E')
202 posOffset.x = pos.x - x
204 posOffset.y = pos.y - y
206 posOffset.z = pos.z - z
208 print "Unknown G code:" + str(G)
210 M = self.getCodeInt(line, 'M')
212 if M == 0: #Message with possible wait (ignored)
214 elif M == 1: #Message with possible wait (ignored)
216 elif M == 80: #Enable power supply
218 elif M == 81: #Suicide/disable power supply
220 elif M == 82: #Absolute E
222 elif M == 83: #Relative E
224 elif M == 84: #Disable step drivers
226 elif M == 92: #Set steps per unit
228 elif M == 101: #Enable extruder
230 elif M == 103: #Disable extruder
232 elif M == 104: #Set temperature, no wait
234 elif M == 105: #Get temperature
236 elif M == 106: #Enable fan
238 elif M == 107: #Disable fan
240 elif M == 108: #Extruder RPM (these should not be in the final GCode, but they are)
242 elif M == 109: #Set temperature, wait
244 elif M == 110: #Reset N counter
246 elif M == 113: #Extruder PWM (these should not be in the final GCode, but they are)
248 elif M == 117: #LCD message
250 elif M == 140: #Set bed temperature
252 elif M == 190: #Set bed temperature & wait
254 elif M == 221: #Extrude amount multiplier
255 s = self.getCodeFloat(line, 'S')
257 extrudeAmountMultiply = s / 100.0
259 print "Unknown M code:" + str(M)
260 self.layerList.append(currentLayer)
261 if self.progressCallback is not None and self._fileSize > 0:
262 self.progressCallback(float(gcodeFile.tell()) / float(self._fileSize))
263 self.extrusionAmount = maxExtrusion
264 self.totalMoveTimeMinute = totalMoveTimeMinute
265 #print "Extruded a total of: %d mm of filament" % (self.extrusionAmount)
266 #print "Estimated print duration: %.2f minutes" % (self.totalMoveTimeMinute)
268 def getCodeInt(self, line, code):
269 n = line.find(code) + 1
272 m = line.find(' ', n)
276 return int(line[n:m])
280 def getCodeFloat(self, line, code):
281 n = line.find(code) + 1
284 m = line.find(' ', n)
287 return float(line[n:])
288 return float(line[n:m])
292 if __name__ == '__main__':
294 for filename in sys.argv[1:]:
297 print g.totalMoveTimeMinute
298 print time.time() - t