1 __copyright__ = "Copyright (C) 2013 David Braam - Released under terms of the AGPLv3 License"
13 from Cura.util import profile
15 def getEngineFilename():
16 if platform.system() == 'Windows':
17 if os.path.exists('C:/Software/Cura_SteamEngine/_bin/Release/Cura_SteamEngine.exe'):
18 return 'C:/Software/Cura_SteamEngine/_bin/Release/Cura_SteamEngine.exe'
19 return os.path.abspath(os.path.join(os.path.dirname(__file__), '../..', 'CuraEngine.exe'))
20 if hasattr(sys, 'frozen'):
21 return os.path.abspath(os.path.join(os.path.dirname(__file__), '../../../../..', 'CuraEngine'))
22 return os.path.abspath(os.path.join(os.path.dirname(__file__), '../..', 'CuraEngine'))
24 def getTempFilename():
25 warnings.simplefilter('ignore')
26 ret = os.tempnam(None, "Cura_Tmp")
27 warnings.simplefilter('default')
31 def __init__(self, progressCallback):
34 self._callback = progressCallback
35 self._binaryStorageFilename = getTempFilename()
36 self._exportFilename = getTempFilename()
37 self._progressSteps = ['inset', 'skin', 'export']
40 self._printTimeSeconds = None
41 self._filamentMM = None
46 os.remove(self._binaryStorageFilename)
50 os.remove(self._exportFilename)
54 def abortSlicer(self):
55 if self._process is not None:
57 self._process.terminate()
62 def getGCodeFilename(self):
63 return self._exportFilename
65 def getSliceLog(self):
68 def getFilamentWeight(self):
69 #Calculates the weight of the filament in kg
70 radius = float(profile.getProfileSetting('filament_diameter')) / 2
71 volumeM3 = (self._filamentMM * (math.pi * radius * radius)) / (1000*1000*1000)
72 return volumeM3 * profile.getPreferenceFloat('filament_physical_density')
74 def getFilamentCost(self):
75 cost_kg = profile.getPreferenceFloat('filament_cost_kg')
76 cost_meter = profile.getPreferenceFloat('filament_cost_meter')
77 if cost_kg > 0.0 and cost_meter > 0.0:
78 return "%.2f / %.2f" % (self.getFilamentWeight() * cost_kg, self._filamentMM / 1000.0 * cost_meter)
80 return "%.2f" % (self.getFilamentWeight() * cost_kg)
81 elif cost_meter > 0.0:
82 return "%.2f" % (self._filamentMM / 1000.0 * cost_meter)
85 def getPrintTime(self):
86 if int(self._printTimeSeconds / 60 / 60) < 1:
87 return '%d minutes' % (int(self._printTimeSeconds / 60) % 60)
88 if int(self._printTimeSeconds / 60 / 60) == 1:
89 return '%d hour %d minutes' % (int(self._printTimeSeconds / 60 / 60), int(self._printTimeSeconds / 60) % 60)
90 return '%d hours %d minutes' % (int(self._printTimeSeconds / 60 / 60), int(self._printTimeSeconds / 60) % 60)
92 def getFilamentAmount(self):
93 return '%0.2f meter %0.0f gram' % (float(self._filamentMM) / 1000.0, self.getFilamentWeight() * 1000.0)
95 def runSlicer(self, scene):
97 self._callback(-1.0, False)
100 for obj in scene.objects():
101 if scene.checkPlatform(obj):
102 extruderCount = max(extruderCount, len(obj._meshList))
104 commandList = [getEngineFilename(), '-vv']
105 for k, v in self._engineSettings(extruderCount).iteritems():
106 commandList += ['-s', '%s=%s' % (k, str(v))]
107 commandList += ['-o', self._exportFilename]
108 commandList += ['-b', self._binaryStorageFilename]
110 with open(self._binaryStorageFilename, "wb") as f:
111 order = scene.printOrder()
113 pos = numpy.array(profile.getMachineCenterCoords()) * 1000
114 commandList += ['-s', 'posx=%d' % int(pos[0]), '-s', 'posy=%d' % int(pos[1])]
117 for obj in scene.objects():
118 if scene.checkPlatform(obj):
119 for mesh in obj._meshList:
120 vertexTotal += mesh.vertexCount
122 f.write(numpy.array([vertexTotal], numpy.int32).tostring())
123 for obj in scene.objects():
124 if scene.checkPlatform(obj):
125 for mesh in obj._meshList:
126 vertexes = (numpy.matrix(mesh.vertexes, copy = False) * numpy.matrix(obj._matrix, numpy.float32)).getA()
127 vertexes -= obj._drawOffset
128 vertexes += numpy.array([obj.getPosition()[0], obj.getPosition()[1], 0.0])
129 f.write(vertexes.tostring())
135 obj = scene.objects()[n]
136 for mesh in obj._meshList:
137 f.write(numpy.array([mesh.vertexCount], numpy.int32).tostring())
138 f.write(mesh.vertexes.tostring())
139 pos = obj.getPosition() * 1000
140 pos += numpy.array(profile.getMachineCenterCoords()) * 1000
141 commandList += ['-m', ','.join(map(str, obj._matrix.getA().flatten()))]
142 commandList += ['-s', 'posx=%d' % int(pos[0]), '-s', 'posy=%d' % int(pos[1])]
143 commandList += ['#' * len(obj._meshList)]
145 if self._objCount > 0:
147 self._process = self._runSliceProcess(commandList)
148 self._thread = threading.Thread(target=self._watchProcess)
149 self._thread.daemon = True
152 traceback.print_exc()
154 def _watchProcess(self):
155 self._callback(0.0, False)
157 self._printTimeSeconds = None
158 self._filamentMM = None
160 line = self._process.stdout.readline()
164 if line.startswith('Progress:'):
165 line = line.split(':')
166 if line[1] == 'process':
168 elif line[1] in self._progressSteps:
169 progressValue = float(line[2]) / float(line[3])
170 progressValue /= len(self._progressSteps)
171 progressValue += 1.0 / len(self._progressSteps) * self._progressSteps.index(line[1])
173 progressValue /= self._objCount
174 progressValue += 1.0 / self._objCount * objectNr
176 self._callback(progressValue, False)
179 elif line.startswith('Print time:'):
180 self._printTimeSeconds = int(line.split(':')[1].strip())
181 elif line.startswith('Filament:'):
182 self._filamentMM = int(line.split(':')[1].strip())
184 self._sliceLog.append(line.strip())
185 line = self._process.stdout.readline()
186 for line in self._process.stderr:
187 self._sliceLog.append(line.strip())
188 returnCode = self._process.wait()
191 profile.runPostProcessingPlugins(self._exportFilename)
192 self._callback(1.0, True)
194 for line in self._sliceLog:
196 self._callback(-1.0, False)
201 def _engineSettings(self, extruderCount):
203 'layerThickness': int(profile.getProfileSettingFloat('layer_height') * 1000),
204 'initialLayerThickness': int(profile.getProfileSettingFloat('bottom_thickness') * 1000) if profile.getProfileSettingFloat('bottom_thickness') > 0.0 else int(profile.getProfileSettingFloat('layer_height') * 1000),
205 'filamentDiameter': int(profile.getProfileSettingFloat('filament_diameter') * 1000),
206 'filamentFlow': int(profile.getProfileSettingFloat('filament_flow')),
207 'extrusionWidth': int(profile.calculateEdgeWidth() * 1000),
208 'insetCount': int(profile.calculateLineCount()),
209 'downSkinCount': int(profile.calculateSolidLayerCount()) if profile.getProfileSetting('solid_bottom') == 'True' else 0,
210 'upSkinCount': int(profile.calculateSolidLayerCount()) if profile.getProfileSetting('solid_top') == 'True' else 0,
211 'sparseInfillLineDistance': int(100 * profile.calculateEdgeWidth() * 1000 / profile.getProfileSettingFloat('fill_density')) if profile.getProfileSettingFloat('fill_density') > 0 else -1,
212 'infillOverlap': int(profile.getProfileSettingFloat('fill_overlap')),
213 'initialSpeedupLayers': int(4),
214 'initialLayerSpeed': int(profile.getProfileSettingFloat('bottom_layer_speed')),
215 'printSpeed': int(profile.getProfileSettingFloat('print_speed')),
216 'infillSpeed': int(profile.getProfileSettingFloat('infill_speed')) if int(profile.getProfileSettingFloat('infill_speed')) > 0 else int(profile.getProfileSettingFloat('print_speed')),
217 'moveSpeed': int(profile.getProfileSettingFloat('travel_speed')),
218 'fanOnLayerNr': int(profile.getProfileSettingFloat('fan_layer')),
219 'fanSpeedMin': int(profile.getProfileSettingFloat('fan_speed')) if profile.getProfileSetting('fan_enabled') == 'True' else 0,
220 'fanSpeedMax': int(profile.getProfileSettingFloat('fan_speed_max')) if profile.getProfileSetting('fan_enabled') == 'True' else 0,
221 'supportAngle': int(-1) if profile.getProfileSetting('support') == 'None' else int(60),
222 'supportEverywhere': int(1) if profile.getProfileSetting('support') == 'Everywhere' else int(0),
223 'supportLineWidth': int(profile.getProfileSettingFloat('support_rate') * profile.calculateEdgeWidth() * 1000 / 100),
224 'retractionAmount': int(profile.getProfileSettingFloat('retraction_amount') * 1000) if profile.getProfileSetting('retraction_enable') == 'True' else 0,
225 'retractionSpeed': int(profile.getProfileSettingFloat('retraction_speed')),
226 'objectSink': int(profile.getProfileSettingFloat('object_sink') * 1000),
227 'minimalLayerTime': int(profile.getProfileSettingFloat('cool_min_layer_time')),
228 'minimalFeedrate': int(profile.getProfileSettingFloat('cool_min_feedrate')),
229 'coolHeadLift': 1 if profile.getProfileSetting('cool_head_lift') == 'True' else 0,
230 'startCode': profile.getAlterationFileContents('start.gcode', extruderCount),
231 'endCode': profile.getAlterationFileContents('end.gcode'),
233 'extruderOffset[1].X': int(profile.getPreferenceFloat('extruder_offset_x1') * 1000),
234 'extruderOffset[1].Y': int(profile.getPreferenceFloat('extruder_offset_y1') * 1000),
235 'extruderOffset[2].X': int(profile.getPreferenceFloat('extruder_offset_x2') * 1000),
236 'extruderOffset[2].Y': int(profile.getPreferenceFloat('extruder_offset_y2') * 1000),
237 'extruderOffset[3].X': int(profile.getPreferenceFloat('extruder_offset_x3') * 1000),
238 'extruderOffset[3].Y': int(profile.getPreferenceFloat('extruder_offset_y3') * 1000),
241 if profile.getProfileSetting('platform_adhesion') == 'Brim':
242 settings['skirtDistance'] = 0
243 settings['skirtLineCount'] = int(profile.getProfileSettingFloat('brim_line_count'))
244 elif profile.getProfileSetting('platform_adhesion') == 'Raft':
245 settings['skirtDistance'] = 0
246 settings['skirtLineCount'] = 0
247 settings['raftMargin'] = int(profile.getProfileSettingFloat('raft_margin') * 1000)
248 settings['raftBaseThickness'] = int(profile.getProfileSettingFloat('raft_base_thickness') * 1000)
249 settings['raftBaseLinewidth'] = int(profile.getProfileSettingFloat('raft_base_linewidth') * 1000)
250 settings['raftInterfaceThickness'] = int(profile.getProfileSettingFloat('raft_interface_thickness') * 1000)
251 settings['raftInterfaceLinewidth'] = int(profile.getProfileSettingFloat('raft_interface_linewidth') * 1000)
253 settings['skirtDistance'] = int(profile.getProfileSettingFloat('skirt_gap') * 1000)
254 settings['skirtLineCount'] = int(profile.getProfileSettingFloat('skirt_line_count'))
256 if profile.getProfileSetting('fix_horrible_union_all_type_a') == 'True':
257 settings['fixHorrible'] |= 0x01
258 if profile.getProfileSetting('fix_horrible_union_all_type_b') == 'True':
259 settings['fixHorrible'] |= 0x02
260 if profile.getProfileSetting('fix_horrible_use_open_bits') == 'True':
261 settings['fixHorrible'] |= 0x10
262 if profile.getProfileSetting('fix_horrible_extensive_stitching') == 'True':
263 settings['fixHorrible'] |= 0x04
265 if settings['layerThickness'] <= 0:
266 settings['layerThickness'] = 1000
269 def _runSliceProcess(self, cmdList):
271 if subprocess.mswindows:
272 su = subprocess.STARTUPINFO()
273 su.dwFlags |= subprocess.STARTF_USESHOWWINDOW
274 su.wShowWindow = subprocess.SW_HIDE
275 kwargs['startupinfo'] = su
276 kwargs['creationflags'] = 0x00004000 #BELOW_NORMAL_PRIORITY_CLASS
277 return subprocess.Popen(cmdList, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, **kwargs)