10 from Cura.util import profile
12 def getEngineFilename():
13 if platform.system() == 'Windows':
14 if os.path.exists('C:/Software/Cura_SteamEngine/_bin/Release/Cura_SteamEngine.exe'):
15 return 'C:/Software/Cura_SteamEngine/_bin/Release/Cura_SteamEngine.exe'
16 return os.path.abspath(os.path.join(os.path.dirname(__file__), '../..', 'SteamEngine.exe'))
17 return os.path.abspath(os.path.join(os.path.dirname(__file__), '../..', 'SteamEngine'))
19 def getTempFilename():
20 warnings.simplefilter('ignore')
21 ret = os.tempnam(None, "Cura_Tmp")
22 warnings.simplefilter('default')
26 def __init__(self, progressCallback):
29 self._callback = progressCallback
30 self._binaryStorageFilename = getTempFilename()
31 self._exportFilename = getTempFilename()
32 self._progressSteps = ['inset', 'skin', 'export']
37 os.remove(self._binaryStorageFilename)
38 os.remove(self._exportFilename)
40 def abortSlicer(self):
41 if self._process is not None:
42 self._process.terminate()
45 def getGCodeFilename(self):
46 return self._exportFilename
48 def runSlicer(self, scene):
50 self._callback(0.0, False)
52 commandList = [getEngineFilename(), '-vv']
53 for k, v in self._engineSettings().iteritems():
54 commandList += ['-s', '%s=%s' % (k, str(v))]
55 commandList += ['-o', self._exportFilename]
56 commandList += ['-b', self._binaryStorageFilename]
58 with open(self._binaryStorageFilename, "wb") as f:
59 for n in scene.printOrder():
60 obj = scene.objects()[n]
61 for mesh in obj._meshList:
62 n = numpy.array([mesh.vertexCount], numpy.int32)
64 f.write(mesh.vertexes.tostring())
65 pos = obj.getPosition() * 1000
66 pos += numpy.array([profile.getPreferenceFloat('machine_width') * 1000 / 2, profile.getPreferenceFloat('machine_depth') * 1000 / 2])
67 commandList += ['-m', ','.join(map(str, obj._matrix.getA().flatten()))]
68 commandList += ['-s', 'posx=%d' % int(pos[0]), '-s', 'posy=%d' % int(pos[1])]
69 commandList += ['#' * len(obj._meshList)]
71 if self._objCount > 0:
72 print ' '.join(commandList)
74 self._process = self._runSliceProcess(commandList)
75 self._thread = threading.Thread(target=self._watchProcess)
76 self._thread.daemon = True
81 def _watchProcess(self):
82 self._callback(0.0, False)
83 line = self._process.stdout.readline()
87 if line.startswith('Progress:'):
88 line = line.split(':')
89 if line[1] == 'process':
92 progressValue = float(line[2]) / float(line[3])
93 progressValue /= len(self._progressSteps)
94 progressValue += 1.0 / len(self._progressSteps) * self._progressSteps.index(line[1])
96 progressValue /= self._objCount
97 progressValue += 1.0 / self._objCount * objectNr
99 self._callback(progressValue, False)
103 print '#', line.strip()
104 line = self._process.stdout.readline()
105 for line in self._process.stderr:
107 returnCode = self._process.wait()
111 self._callback(1.0, True)
113 self._callback(0.0, False)
118 def _engineSettings(self):
120 'layerThickness': int(profile.getProfileSettingFloat('layer_height') * 1000),
121 'initialLayerThickness': int(profile.getProfileSettingFloat('bottom_thickness') * 1000),
122 'filamentDiameter': int(profile.getProfileSettingFloat('filament_diameter') * 1000),
123 'extrusionWidth': int(profile.calculateEdgeWidth() * 1000),
124 'insetCount': int(profile.calculateLineCount()),
125 'downSkinCount': int(profile.calculateSolidLayerCount()),
126 'upSkinCount': int(profile.calculateSolidLayerCount()),
127 'sparseInfillLineDistance': int(100 * profile.calculateEdgeWidth() * 1000 / profile.getProfileSettingFloat('fill_density')),
128 'skirtDistance': int(profile.getProfileSettingFloat('skirt_gap') * 1000),
129 'skirtLineCount': int(profile.getProfileSettingFloat('skirt_line_count')),
130 'initialSpeedupLayers': int(4),
131 'initialLayerSpeed': int(profile.getProfileSettingFloat('bottom_layer_speed')),
132 'printSpeed': int(profile.getProfileSettingFloat('print_speed')),
133 'moveSpeed': int(profile.getProfileSettingFloat('travel_speed')),
134 'fanOnLayerNr': int(profile.getProfileSettingFloat('fan_layer')),
135 'supportAngle': int(-1) if profile.getProfileSetting('support') == 'None' else int(60),
136 'supportEverywhere': int(1) if profile.getProfileSetting('support') == 'Everywhere' else int(0),
137 'retractionAmount': int(profile.getProfileSettingFloat('retraction_amount') * 1000),
138 'retractionSpeed': int(profile.getProfileSettingFloat('retraction_speed')),
139 'objectSink': int(profile.getProfileSettingFloat('object_sink') * 1000),
142 def _runSliceProcess(self, cmdList):
144 if subprocess.mswindows:
145 su = subprocess.STARTUPINFO()
146 su.dwFlags |= subprocess.STARTF_USESHOWWINDOW
147 su.wShowWindow = subprocess.SW_HIDE
148 kwargs['startupinfo'] = su
149 kwargs['creationflags'] = 0x00004000 #BELOW_NORMAL_PRIORITY_CLASS
150 return subprocess.Popen(cmdList, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, **kwargs)