1 from __future__ import absolute_import
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2 from __future__ import division
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3 #Init has to be imported first because it has code to workaround the python bug where relative imports don't work if the module is imported as a main module.
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6 import ConfigParser, os, traceback, math, re, zlib, base64
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8 #########################################################
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9 ## Default settings when none are found.
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10 #########################################################
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12 #Single place to store the defaults, so we have a consistent set of default settings.
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13 profileDefaultSettings = {
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14 'nozzle_size': '0.4',
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15 'layer_height': '0.2',
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16 'wall_thickness': '0.8',
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17 'solid_layer_thickness': '0.6',
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18 'fill_density': '20',
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19 'skirt_line_count': '1',
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21 'print_speed': '50',
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22 'print_temperature': '0',
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24 'filament_diameter': '2.89',
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25 'filament_density': '1.00',
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26 'machine_center_x': '100',
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27 'machine_center_y': '100',
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28 'retraction_min_travel': '5.0',
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29 'retraction_speed': '40.0',
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30 'retraction_amount': '0.0',
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31 'retraction_extra': '0.0',
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32 'travel_speed': '150',
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33 'max_z_speed': '3.0',
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34 'bottom_layer_speed': '20',
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35 'cool_min_layer_time': '10',
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36 'fan_enabled': 'True',
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39 'model_scale': '1.0',
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45 'model_rotate_base': '0',
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46 'model_multiply_x': '1',
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47 'model_multiply_y': '1',
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48 'extra_base_wall_thickness': '0.0',
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49 'sequence': 'Loops > Perimeter > Infill',
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50 'force_first_layer_sequence': 'True',
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51 'infill_type': 'Line',
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52 'solid_top': 'True',
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53 'fill_overlap': '15',
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54 'support_rate': '50',
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55 'support_distance': '0.5',
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56 'support_margin': '3.0',
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58 'enable_skin': 'False',
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59 'enable_raft': 'False',
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60 'cool_min_feedrate': '5',
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61 'bridge_speed': '100',
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62 'bridge_material_amount': '100',
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64 'raft_base_material_amount': '100',
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65 'raft_interface_material_amount': '100',
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66 'bottom_thickness': '0.3',
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67 'add_start_end_gcode': 'True',
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68 'gcode_extension': 'gcode',
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70 alterationDefault = {
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71 #######################################################################################
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72 'start.gcode': """;Start GCode
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74 G90 ;absolute positioning
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76 G28 X0 Y0 ;move X/Y to min endstops
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77 G28 Z0 ;move Z to min endstops
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79 ; if your prints start too high, try changing the Z0.0 below
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80 ; to Z1.0 - the number after the Z is the actual, physical
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81 ; height of the nozzle in mm. This can take some messing around
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82 ; with to get just right...
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83 G92 X0 Y0 Z0 E0 ;reset software position to front/left/z=0.0
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84 G1 Z15.0 F{max_z_speed} ;move the platform down 15mm
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85 G92 E0 ;zero the extruded length
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87 G1 F200 E5 ;extrude 5mm of feed stock
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88 G1 F200 E3.5 ;reverse feed stock by 1.5mm
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89 G92 E0 ;zero the extruded length again
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91 ;go to the middle of the platform, and move to Z=0 before starting the print.
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92 G1 X{machine_center_x} Y{machine_center_y} F{travel_speed}
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93 G1 Z0.0 F{max_z_speed}
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95 #######################################################################################
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96 'end.gcode': """;End GCode
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97 M104 S0 ;extruder heat off
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98 G91 ;relative positioning
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99 G1 Z+10 E-5 F{max_z_speed} ;move Z up a bit and retract filament by 5mm
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100 G28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way
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102 G90 ;absolute positioning
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104 #######################################################################################
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105 'support_start.gcode': '',
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106 'support_end.gcode': '',
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107 'cool_start.gcode': '',
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108 'cool_end.gcode': '',
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110 #######################################################################################
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111 'nextobject.gcode': """;Move to next object on the platform. clear_z is the minimal z height we need to make sure we do not hit any objects.
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113 G1 Z{clear_z} E-5 F{max_z_speed}
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115 G1 X{machine_center_x} Y{machine_center_y} F{travel_speed}
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118 G1 Z0 F{max_z_speed}
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120 #######################################################################################
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122 preferencesDefaultSettings = {
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123 'wizardDone': 'False',
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124 'startMode': 'Simple',
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125 'lastFile': 'None',
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126 'machine_width': '205',
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127 'machine_depth': '205',
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128 'machine_height': '200',
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129 'filament_density': '1300',
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130 'steps_per_e': '0',
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131 'serial_port': 'AUTO',
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132 'serial_baud': '250000',
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133 'slicer': 'Cura (Skeinforge based)',
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134 'save_profile': 'False',
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135 'filament_cost_kg': '0',
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136 'filament_cost_meter': '0',
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139 #########################################################
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140 ## Profile and preferences functions
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141 #########################################################
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143 def getDefaultProfilePath():
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144 return os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "../current_profile.ini"))
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146 def loadGlobalProfile(filename):
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147 #Read a configuration file as global config
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148 global globalProfileParser
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149 globalProfileParser = ConfigParser.ConfigParser()
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150 globalProfileParser.read(filename)
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152 def saveGlobalProfile(filename):
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153 #Save the current profile to an ini file
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154 globalProfileParser.write(open(filename, 'w'))
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156 def loadGlobalProfileFromString(options):
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157 global globalProfileParser
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158 globalProfileParser = ConfigParser.ConfigParser()
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159 globalProfileParser.add_section('profile')
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160 globalProfileParser.add_section('alterations')
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161 options = base64.b64decode(options)
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162 options = zlib.decompress(options)
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163 (profileOpts, alt) = options.split('\f', 1)
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164 for option in profileOpts.split('\b'):
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165 (key, value) = option.split('=', 1)
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166 globalProfileParser.set('profile', key, value)
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167 for option in alt.split('\b'):
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168 (key, value) = option.split('=', 1)
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169 globalProfileParser.set('alterations', key, value)
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171 def getGlobalProfileString():
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172 global globalProfileParser
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173 if not globals().has_key('globalProfileParser'):
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174 loadGlobalProfile(getDefaultProfilePath())
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178 for key in globalProfileParser.options('profile'):
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179 p.append(key + "=" + globalProfileParser.get('profile', key))
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180 for key in globalProfileParser.options('alterations'):
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181 alt.append(key + "=" + globalProfileParser.get('alterations', key))
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182 ret = '\b'.join(p) + '\f' + '\b'.join(alt)
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183 ret = base64.b64encode(zlib.compress(ret, 9))
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186 def getProfileSetting(name):
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187 #Check if we have a configuration file loaded, else load the default.
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188 if not globals().has_key('globalProfileParser'):
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189 loadGlobalProfile(getDefaultProfilePath())
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190 if not globalProfileParser.has_option('profile', name):
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191 if name in profileDefaultSettings:
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192 default = profileDefaultSettings[name]
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194 print "Missing default setting for: '" + name + "'"
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195 profileDefaultSettings[name] = ''
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197 if not globalProfileParser.has_section('profile'):
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198 globalProfileParser.add_section('profile')
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199 globalProfileParser.set('profile', name, str(default))
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200 #print name + " not found in profile, so using default: " + str(default)
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202 return globalProfileParser.get('profile', name)
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204 def getProfileSettingFloat(name):
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206 return float(eval(getProfileSetting(name), {}, {}))
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207 except (ValueError, SyntaxError):
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210 def putProfileSetting(name, value):
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211 #Check if we have a configuration file loaded, else load the default.
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212 if not globals().has_key('globalProfileParser'):
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213 loadGlobalProfile(getDefaultProfilePath())
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214 if not globalProfileParser.has_section('profile'):
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215 globalProfileParser.add_section('profile')
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216 globalProfileParser.set('profile', name, str(value))
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218 global globalPreferenceParser
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219 globalPreferenceParser = None
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221 def getPreferencePath():
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222 return os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "../preferences.ini"))
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224 def getPreference(name):
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225 global globalPreferenceParser
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226 if globalPreferenceParser == None:
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227 globalPreferenceParser = ConfigParser.ConfigParser()
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228 globalPreferenceParser.read(getPreferencePath())
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229 if not globalPreferenceParser.has_option('preference', name):
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230 if name in preferencesDefaultSettings:
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231 default = preferencesDefaultSettings[name]
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233 print "Missing default setting for: '" + name + "'"
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234 preferencesDefaultSettings[name] = ''
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236 if not globalPreferenceParser.has_section('preference'):
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237 globalPreferenceParser.add_section('preference')
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238 globalPreferenceParser.set('preference', name, str(default))
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239 #print name + " not found in preferences, so using default: " + str(default)
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241 return unicode(globalPreferenceParser.get('preference', name), "utf-8")
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243 def putPreference(name, value):
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244 #Check if we have a configuration file loaded, else load the default.
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245 global globalPreferenceParser
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246 if globalPreferenceParser == None:
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247 globalPreferenceParser = ConfigParser.ConfigParser()
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248 globalPreferenceParser.read(getPreferencePath())
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249 if not globalPreferenceParser.has_section('preference'):
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250 globalPreferenceParser.add_section('preference')
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251 globalPreferenceParser.set('preference', name, unicode(value).encode("utf-8"))
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252 globalPreferenceParser.write(open(getPreferencePath(), 'w'))
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254 #########################################################
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255 ## Utility functions to calculate common profile values
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256 #########################################################
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257 def calculateEdgeWidth():
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258 wallThickness = getProfileSettingFloat('wall_thickness')
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259 nozzleSize = getProfileSettingFloat('nozzle_size')
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261 if wallThickness < nozzleSize:
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262 return wallThickness
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264 lineCount = int(wallThickness / nozzleSize)
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265 lineWidth = wallThickness / lineCount
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266 lineWidthAlt = wallThickness / (lineCount + 1)
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267 if lineWidth > nozzleSize * 1.5:
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268 return lineWidthAlt
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271 def calculateLineCount():
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272 wallThickness = getProfileSettingFloat('wall_thickness')
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273 nozzleSize = getProfileSettingFloat('nozzle_size')
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275 if wallThickness < nozzleSize:
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278 lineCount = int(wallThickness / nozzleSize + 0.0001)
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279 lineWidth = wallThickness / lineCount
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280 lineWidthAlt = wallThickness / (lineCount + 1)
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281 if lineWidth > nozzleSize * 1.5:
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282 return lineCount + 1
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285 def calculateSolidLayerCount():
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286 layerHeight = getProfileSettingFloat('layer_height')
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287 solidThickness = getProfileSettingFloat('solid_layer_thickness')
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288 return int(math.ceil(solidThickness / layerHeight - 0.0001))
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290 #########################################################
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291 ## Alteration file functions
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292 #########################################################
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293 def replaceTagMatch(m):
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294 tag = m.group(0)[1:-1]
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295 if tag in ['print_speed', 'retraction_speed', 'travel_speed', 'max_z_speed', 'bottom_layer_speed', 'cool_min_feedrate']:
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296 return str(getProfileSettingFloat(tag) * 60)
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297 return str(getProfileSettingFloat(tag))
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299 ### Get aleration raw contents. (Used internally in Cura)
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300 def getAlterationFile(filename):
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301 #Check if we have a configuration file loaded, else load the default.
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302 if not globals().has_key('globalProfileParser'):
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303 loadGlobalProfile(getDefaultProfilePath())
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305 if not globalProfileParser.has_option('alterations', filename):
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306 if filename in alterationDefault:
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307 default = alterationDefault[filename]
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309 print "Missing default alteration for: '" + filename + "'"
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310 alterationDefault[filename] = ''
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312 if not globalProfileParser.has_section('alterations'):
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313 globalProfileParser.add_section('alterations')
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314 #print "Using default for: %s" % (filename)
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315 globalProfileParser.set('alterations', filename, default)
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316 return unicode(globalProfileParser.get('alterations', filename), "utf-8")
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318 def setAlterationFile(filename, value):
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319 #Check if we have a configuration file loaded, else load the default.
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320 if not globals().has_key('globalProfileParser'):
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321 loadGlobalProfile(getDefaultProfilePath())
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322 if not globalProfileParser.has_section('alterations'):
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323 globalProfileParser.add_section('alterations')
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324 globalProfileParser.set('alterations', filename, value.encode("utf-8"))
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325 saveGlobalProfile(profile.getDefaultProfilePath())
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327 ### Get the alteration file for output. (Used by Skeinforge)
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328 def getAlterationFileContents(filename):
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330 if filename == 'start.gcode':
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331 #For the start code, hack the temperature and the steps per E value into it. So the temperature is reached before the start code extrusion.
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332 #We also set our steps per E here, if configured.
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333 eSteps = float(getPreference('steps_per_e'))
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335 prefix += 'M92 E%f\n' % (eSteps)
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336 temp = getProfileSettingFloat('print_temperature')
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338 prefix += 'M109 S%f\n' % (temp)
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339 elif filename == 'replace.csv':
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340 #Always remove the extruder on/off M codes. These are no longer needed in 5D printing.
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341 prefix = 'M101\nM103\n'
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343 return prefix + re.sub("\{[^\}]*\}", replaceTagMatch, getAlterationFile(filename))
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