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
81 currentPath = gcodePath('move', pathType, layerThickness, pos[:])
82 currentPath['extruder'] = currentExtruder
84 currentLayer.append(currentPath)
85 for line in gcodeFile:
86 if type(line) is tuple:
89 #Parse Cura_SF comments
90 if line.startswith(';TYPE:'):
91 pathType = line[6:].strip()
94 #Slic3r GCode comment parser
95 comment = line[line.find(';')+1:].strip()
98 elif comment == 'perimeter':
99 pathType = 'WALL-INNER'
100 elif comment == 'skirt':
102 if comment.startswith('LAYER:'):
103 currentPath = gcodePath(moveType, pathType, layerThickness, currentPath['points'][-1])
104 currentPath['extruder'] = currentExtruder
105 for path in currentLayer:
106 path['points'] = numpy.array(path['points'], numpy.float32)
107 path['extrusion'] = numpy.array(path['extrusion'], numpy.float32)
108 self.layerList.append(currentLayer)
109 if self.progressCallback is not None:
110 if self.progressCallback(float(gcodeFile.tell()) / float(self._fileSize)):
111 #Abort the loading, we can safely return as the results here will be discarded
114 currentLayer = [currentPath]
115 line = line[0:line.find(';')]
116 T = getCodeInt(line, 'T')
118 if currentExtruder > 0:
119 posOffset[0] -= profile.getPreferenceFloat('extruder_offset_x%d' % (currentExtruder))
120 posOffset[1] -= profile.getPreferenceFloat('extruder_offset_y%d' % (currentExtruder))
122 if currentExtruder > 0:
123 posOffset[0] += profile.getPreferenceFloat('extruder_offset_x%d' % (currentExtruder))
124 posOffset[1] += profile.getPreferenceFloat('extruder_offset_y%d' % (currentExtruder))
126 G = getCodeInt(line, 'G')
128 if G == 0 or G == 1: #Move
129 x = getCodeFloat(line, 'X')
130 y = getCodeFloat(line, 'Y')
131 z = getCodeFloat(line, 'Z')
132 e = getCodeFloat(line, 'E')
133 #f = getCodeFloat(line, 'F')
137 pos[0] = x * scale + posOffset[0]
139 pos[1] = y * scale + posOffset[1]
141 pos[2] = z * scale + posOffset[2]
151 #if x is not None or y is not None or z is not None:
152 # diffX = oldPos[0] - pos[0]
153 # diffY = oldPos[1] - pos[1]
154 # totalMoveTimeMinute += math.sqrt(diffX * diffX + diffY * diffY) / feedRate
165 if totalExtrusion > maxExtrusion:
166 maxExtrusion = totalExtrusion
169 if moveType == 'move' and oldPos[2] != pos[2]:
170 if oldPos[2] > pos[2] and abs(oldPos[2] - pos[2]) > 5.0 and pos[2] < 1.0:
172 layerThickness = abs(oldPos[2] - pos[2])
173 if currentPath['type'] != moveType or currentPath['pathType'] != pathType:
174 currentPath = gcodePath(moveType, pathType, layerThickness, currentPath['points'][-1])
175 currentPath['extruder'] = currentExtruder
176 currentLayer.append(currentPath)
178 currentPath['points'].append(pos[:])
179 currentPath['extrusion'].append(e * extrudeAmountMultiply)
181 S = getCodeFloat(line, 'S')
183 totalMoveTimeMinute += S / 60.0
184 P = getCodeFloat(line, 'P')
186 totalMoveTimeMinute += P / 60.0 / 1000.0
187 elif G == 20: #Units are inches
189 elif G == 21: #Units are mm
192 x = getCodeFloat(line, 'X')
193 y = getCodeFloat(line, 'Y')
194 z = getCodeFloat(line, 'Z')
195 if profile.getPreference('machine_center_is_zero') == 'True':
196 center = [profile.getProfileSettingFloat('machine_width') / 2, profile.getProfileSettingFloat('machine_depth') / 2,0.0]
198 center = [0.0,0.0,0.0]
199 if x is None and y is None and z is None:
208 elif G == 90: #Absolute position
210 elif G == 91: #Relative position
213 x = getCodeFloat(line, 'X')
214 y = getCodeFloat(line, 'Y')
215 z = getCodeFloat(line, 'Z')
216 e = getCodeFloat(line, 'E')
220 posOffset[0] = pos[0] - x
222 posOffset[1] = pos[1] - y
224 posOffset[2] = pos[2] - z
226 print "Unknown G code:" + str(G)
228 M = getCodeInt(line, 'M')
230 if M == 0: #Message with possible wait (ignored)
232 elif M == 1: #Message with possible wait (ignored)
234 elif M == 80: #Enable power supply
236 elif M == 81: #Suicide/disable power supply
238 elif M == 82: #Absolute E
240 elif M == 83: #Relative E
242 elif M == 84: #Disable step drivers
244 elif M == 92: #Set steps per unit
246 elif M == 101: #Enable extruder
248 elif M == 103: #Disable extruder
250 elif M == 104: #Set temperature, no wait
252 elif M == 105: #Get temperature
254 elif M == 106: #Enable fan
256 elif M == 107: #Disable fan
258 elif M == 108: #Extruder RPM (these should not be in the final GCode, but they are)
260 elif M == 109: #Set temperature, wait
262 elif M == 110: #Reset N counter
264 elif M == 113: #Extruder PWM (these should not be in the final GCode, but they are)
266 elif M == 117: #LCD message
268 elif M == 140: #Set bed temperature
270 elif M == 190: #Set bed temperature & wait
272 elif M == 221: #Extrude amount multiplier
273 s = getCodeFloat(line, 'S')
275 extrudeAmountMultiply = s / 100.0
277 print "Unknown M code:" + str(M)
278 for path in currentLayer:
279 path['points'] = numpy.array(path['points'], numpy.float32)
280 path['extrusion'] = numpy.array(path['extrusion'], numpy.float32)
281 self.layerList.append(currentLayer)
282 if self.progressCallback is not None and self._fileSize > 0:
283 self.progressCallback(float(gcodeFile.tell()) / float(self._fileSize))
284 self.extrusionAmount = maxExtrusion
285 self.totalMoveTimeMinute = totalMoveTimeMinute
286 #print "Extruded a total of: %d mm of filament" % (self.extrusionAmount)
287 #print "Estimated print duration: %.2f minutes" % (self.totalMoveTimeMinute)
289 def getCodeInt(line, code):
290 n = line.find(code) + 1
293 m = line.find(' ', n)
297 return int(line[n:m])
301 def getCodeFloat(line, code):
302 n = line.find(code) + 1
305 m = line.find(' ', n)
308 return float(line[n:])
309 return float(line[n:m])
313 if __name__ == '__main__':
315 for filename in sys.argv[1:]:
318 print g.totalMoveTimeMinute
319 print time.time() - t