from __future__ import absolute_import
+__copyright__ = "Copyright (C) 2013 David Braam - Released under terms of the AGPLv3 License"
import sys
import math
import os
import time
+import numpy
+import types
+import cStringIO as StringIO
from Cura.util import profile
-class gcodePath(object):
- def __init__(self, newType, pathType, layerThickness, startPoint):
- self.type = newType
- self.pathType = pathType
- self.layerThickness = layerThickness
- self.points = [startPoint]
- self.extrusion = [0]
+def gcodePath(newType, pathType, layerThickness, startPoint):
+ return {'type': newType,
+ 'pathType': pathType,
+ 'layerThickness': layerThickness,
+ 'points': [startPoint],
+ 'extrusion': [0.0]}
class gcode(object):
def __init__(self):
self.regMatch = {}
- self.layerList = []
+ self.layerList = None
self.extrusionAmount = 0
- self.totalMoveTimeMinute = 0
+ self.filename = None
self.progressCallback = None
- def load(self, filename):
- if os.path.isfile(filename):
- self._fileSize = os.stat(filename).st_size
- gcodeFile = open(filename, 'r')
+ def load(self, data):
+ self.filename = None
+ if type(data) in types.StringTypes and os.path.isfile(data):
+ self.filename = data
+ self._fileSize = os.stat(data).st_size
+ gcodeFile = open(data, 'r')
self._load(gcodeFile)
gcodeFile.close()
-
- def loadList(self, l):
- self._load(l)
-
+ elif type(data) is list:
+ self._load(data)
+ else:
+ self._fileSize = len(data.getvalue())
+ self._load(StringIO.StringIO(data.getvalue()))
+
def calculateWeight(self):
#Calculates the weight of the filament in kg
radius = float(profile.getProfileSetting('filament_diameter')) / 2
return None
def _load(self, gcodeFile):
- pos = [0.0, 0.0, 0.0]
+ self.layerList = []
+ pos = [0.0,0.0,0.0]
posOffset = [0.0, 0.0, 0.0]
currentE = 0.0
- totalExtrusion = 0.0
- maxExtrusion = 0.0
currentExtruder = 0
extrudeAmountMultiply = 1.0
- totalMoveTimeMinute = 0.0
absoluteE = True
scale = 1.0
posAbs = True
feedRate = 3600.0
+ moveType = 'move'
layerThickness = 0.1
- pathType = 'CUSTOM';
+ pathType = 'CUSTOM'
currentLayer = []
- currentPath = gcodePath('move', pathType, layerThickness, pos[:])
- currentPath.extruder = currentExtruder
+ currentPath = gcodePath('move', pathType, layerThickness, pos)
+ currentPath['extruder'] = currentExtruder
currentLayer.append(currentPath)
for line in gcodeFile:
elif comment == 'skirt':
pathType = 'SKIRT'
if comment.startswith('LAYER:'):
+ currentPath = gcodePath(moveType, pathType, layerThickness, currentPath['points'][-1])
+ currentPath['extruder'] = currentExtruder
+ for path in currentLayer:
+ path['points'] = numpy.array(path['points'], numpy.float32)
+ path['extrusion'] = numpy.array(path['extrusion'], numpy.float32)
self.layerList.append(currentLayer)
if self.progressCallback is not None:
if self.progressCallback(float(gcodeFile.tell()) / float(self._fileSize)):
#Abort the loading, we can safely return as the results here will be discarded
gcodeFile.close()
return
- currentLayer = []
+ currentLayer = [currentPath]
line = line[0:line.find(';')]
T = getCodeInt(line, 'T')
if T is not None:
if currentExtruder > 0:
- posOffset[0] -= profile.getPreferenceFloat('extruder_offset_x%d' % (currentExtruder))
- posOffset[1] -= profile.getPreferenceFloat('extruder_offset_y%d' % (currentExtruder))
+ posOffset[0] -= profile.getMachineSettingFloat('extruder_offset_x%d' % (currentExtruder))
+ posOffset[1] -= profile.getMachineSettingFloat('extruder_offset_y%d' % (currentExtruder))
currentExtruder = T
if currentExtruder > 0:
- posOffset[0] += profile.getPreferenceFloat('extruder_offset_x%d' % (currentExtruder))
- posOffset[1] += profile.getPreferenceFloat('extruder_offset_y%d' % (currentExtruder))
+ posOffset[0] += profile.getMachineSettingFloat('extruder_offset_x%d' % (currentExtruder))
+ posOffset[1] += profile.getMachineSettingFloat('extruder_offset_y%d' % (currentExtruder))
G = getCodeInt(line, 'G')
if G is not None:
y = getCodeFloat(line, 'Y')
z = getCodeFloat(line, 'Z')
e = getCodeFloat(line, 'E')
- f = getCodeFloat(line, 'F')
- oldPos = pos[:]
+ #f = getCodeFloat(line, 'F')
+ oldPos = pos
+ pos = pos[:]
if posAbs:
if x is not None:
pos[0] = x * scale + posOffset[0]
pos[1] += y * scale
if z is not None:
pos[2] += z * scale
- if f is not None:
- feedRate = f
- #if x is not None or y is not None or z is not None:
- # diffX = oldPos[0] - pos[0]
- # diffY = oldPos[1] - pos[1]
- # totalMoveTimeMinute += math.sqrt(diffX * diffX + diffY * diffY) / feedRate
moveType = 'move'
if e is not None:
if absoluteE:
e -= currentE
- if e > 0:
+ if e > 0.0:
moveType = 'extrude'
- if e < 0:
+ if e < 0.0:
moveType = 'retract'
- totalExtrusion += e
currentE += e
- if totalExtrusion > maxExtrusion:
- maxExtrusion = totalExtrusion
else:
e = 0.0
if moveType == 'move' and oldPos[2] != pos[2]:
if oldPos[2] > pos[2] and abs(oldPos[2] - pos[2]) > 5.0 and pos[2] < 1.0:
oldPos[2] = 0.0
layerThickness = abs(oldPos[2] - pos[2])
- if currentPath.type != moveType or currentPath.pathType != pathType:
- currentPath = gcodePath(moveType, pathType, layerThickness, currentPath.points[-1])
- currentPath.extruder = currentExtruder
+ if currentPath['type'] != moveType or currentPath['pathType'] != pathType:
+ currentPath = gcodePath(moveType, pathType, layerThickness, currentPath['points'][-1])
+ currentPath['extruder'] = currentExtruder
currentLayer.append(currentPath)
- currentPath.points.append(pos[:])
- currentPath.extrusion.append(e * extrudeAmountMultiply)
+ currentPath['points'].append(pos)
+ currentPath['extrusion'].append(e * extrudeAmountMultiply)
elif G == 4: #Delay
S = getCodeFloat(line, 'S')
- if S is not None:
- totalMoveTimeMinute += S / 60.0
P = getCodeFloat(line, 'P')
- if P is not None:
- totalMoveTimeMinute += P / 60.0 / 1000.0
+ elif G == 10: #Retract
+ currentPath = gcodePath('retract', pathType, layerThickness, currentPath['points'][-1])
+ currentPath['extruder'] = currentExtruder
+ currentLayer.append(currentPath)
+ currentPath['points'].append(currentPath['points'][0])
+ elif G == 11: #Push back after retract
+ pass
elif G == 20: #Units are inches
scale = 25.4
elif G == 21: #Units are mm
x = getCodeFloat(line, 'X')
y = getCodeFloat(line, 'Y')
z = getCodeFloat(line, 'Z')
+ center = [0.0,0.0,0.0]
if x is None and y is None and z is None:
- pos = [0.0,0.0,0.0]
+ pos = center
else:
+ pos = pos[:]
if x is not None:
- pos[0] = 0.0
+ pos[0] = center[0]
if y is not None:
- pos[0] = 0.0
+ pos[1] = center[1]
if z is not None:
- pos[0] = 0.0
+ pos[2] = center[2]
elif G == 90: #Absolute position
posAbs = True
elif G == 91: #Relative position
pass
elif M == 1: #Message with possible wait (ignored)
pass
+ elif M == 25: #Stop SD printing
+ pass
elif M == 80: #Enable power supply
pass
elif M == 81: #Suicide/disable power supply
extrudeAmountMultiply = s / 100.0
else:
print "Unknown M code:" + str(M)
+ for path in currentLayer:
+ path['points'] = numpy.array(path['points'], numpy.float32)
+ path['extrusion'] = numpy.array(path['extrusion'], numpy.float32)
self.layerList.append(currentLayer)
if self.progressCallback is not None and self._fileSize > 0:
self.progressCallback(float(gcodeFile.tell()) / float(self._fileSize))
- self.extrusionAmount = maxExtrusion
- self.totalMoveTimeMinute = totalMoveTimeMinute
- #print "Extruded a total of: %d mm of filament" % (self.extrusionAmount)
- #print "Estimated print duration: %.2f minutes" % (self.totalMoveTimeMinute)
def getCodeInt(line, code):
n = line.find(code) + 1
for filename in sys.argv[1:]:
g = gcode()
g.load(filename)
- print g.totalMoveTimeMinute
print time.time() - t
~ianmdlvl / cura.git / blobdiff