Merge branch 'CapnBry-gcodeinterpreter-upstream' into devel

master
Gina Häußge 2013-08-11 17:39:53 +02:00
commit ec9c7adf70
4 changed files with 168 additions and 488 deletions

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@ -63,8 +63,8 @@ class GcodeManager:
dirty = True
if gcode.extrusionAmount:
analysisResult["filament"] = "%.2fm" % (gcode.extrusionAmount / 1000)
if gcode.extrusionVolume:
analysisResult["filament"] += " / %.2fcm³" % gcode.extrusionVolume
if gcode.calculateVolumeCm3():
analysisResult["filament"] += " / %.2fcm³" % gcode.calculateVolumeCm3()
dirty = True
if dirty:

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@ -2,6 +2,5 @@ The code in this sub package mostly originates from the Cura project (https://gi
slightly reorganized and adapted. The mapping to the original Cura source is the following:
* avr_isp.* => Cura.avr_isp.*
* comm => Cura.util.machineCom
* comm => Cura.util.machineCom (highly modified now)
* gcodeInterpreter => Cura.util.gcodeInterpreter
* util3d => Cura.util.util3d

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@ -1,15 +1,13 @@
from __future__ import absolute_import
__copyright__ = "Copyright (C) 2013 David Braam - Released under terms of the AGPLv3 License"
import sys
import math
import re
import os
import base64
import zlib
import logging
from octoprint.util import util3d
preferences = {
"extruder_offset_x1": -22.0,
"extruder_offset_y1": 0.0,
@ -28,232 +26,224 @@ def getPreference(key, default=None):
class AnalysisAborted(Exception):
pass
class gcodePath(object):
def __init__(self, newType, pathType, layerThickness, startPoint):
self.type = newType
self.pathType = pathType
self.layerThickness = layerThickness
self.list = [startPoint]
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._logger = logging.getLogger(__name__)
self.regMatch = {}
self.layerList = []
self.layerList = None
self.extrusionAmount = 0
self.extrusionVolume = None
self.totalMoveTimeMinute = 0
self.filename = None
self.progressCallback = None
self._abort = False
self._filamentDiameter = 0
def load(self, filename):
if os.path.isfile(filename):
self.filename = filename
self._fileSize = os.stat(filename).st_size
gcodeFile = open(filename, 'r')
self._load(gcodeFile)
gcodeFile.close()
def loadList(self, l):
self.filename = None
self._load(l)
def abort(self):
self._abort = True
def calculateVolumeCm3(self):
radius = self._filamentDiameter / 2
return (self.extrusionAmount * (math.pi * radius * radius)) / 1000
def calculateWeight(self):
#Calculates the weight of the filament in kg
volumeM3 = self.calculateVolumeCm3() /(1000*1000)
return volumeM3 * getPreference('filament_physical_density')
def calculateCost(self):
cost_kg = getPreference('filament_cost_kg')
cost_meter = getPreference('filament_cost_meter')
if cost_kg > 0.0 and cost_meter > 0.0:
return "%.2f / %.2f" % (self.calculateWeight() * cost_kg, self.extrusionAmount / 1000 * cost_meter)
elif cost_kg > 0.0:
return "%.2f" % (self.calculateWeight() * cost_kg)
elif cost_meter > 0.0:
return "%.2f" % (self.extrusionAmount / 1000 * cost_meter)
return None
def _load(self, gcodeFile):
filePos = 0
pos = util3d.Vector3()
posOffset = util3d.Vector3()
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
filamentDiameter = 0.0
absoluteE = True
scale = 1.0
posAbs = True
posAbsExtruder = True;
feedRate = 3600
layerThickness = 0.1
pathType = 'CUSTOM';
currentLayer = []
unknownGcodes={}
unknownMcodes={}
currentPath = gcodePath('move', pathType, layerThickness, pos.copy())
currentPath.list[0].e = totalExtrusion
currentPath.list[0].extrudeAmountMultiply = extrudeAmountMultiply
currentLayer.append(currentPath)
feedRate = 3600.0
unknownGcodes = {}
unknownMcodes = {}
for line in gcodeFile:
if self._abort:
raise AnalysisAborted()
if type(line) is tuple:
line = line[0]
if self.progressCallback != None:
filePos += 1
if self.progressCallback is not None and (filePos % 1000 == 0):
if isinstance(gcodeFile, (file)):
self.progressCallback(float(filePos) / float(self._fileSize))
self.progressCallback(float(gcodeFile.tell()) / float(self._fileSize))
elif isinstance(gcodeFile, (list)):
self.progressCallback(float(filePos) / float(len(gcodeFile)))
filePos += 1
#Parse Cura_SF comments
if line.startswith(';TYPE:'):
pathType = line[6:].strip()
if pathType != "CUSTOM":
startCodeDone = True
if ';' in line:
# Slic3r GCode comment parser
comment = line[line.find(';')+1:].strip()
if comment == 'fill':
pathType = 'FILL'
elif comment == 'perimeter':
pathType = 'WALL-INNER'
elif comment == 'skirt':
pathType = 'SKIRT'
elif comment.startswith("filament_diameter"):
filamentDiameter = float(line.split("=", 1)[1].strip())
# Cura Gcode comment parser
if comment.startswith('LAYER:'):
self.layerList.append(currentLayer)
currentLayer = []
if comment.startswith("filament_diameter"):
self._filamentDiameter = float(comment.split("=", 1)[1].strip())
elif comment.startswith("CURA_PROFILE_STRING"):
curaOptions = self._parseCuraProfileString(comment)
if "filament_diameter" in curaOptions.keys():
if "filament_diameter" in curaOptions:
try:
filamentDiameter = float(curaOptions["filament_diameter"])
self._filamentDiameter = float(curaOptions["filament_diameter"])
except:
filamentDiameter = 0.0
self._filamentDiameter = 0.0
line = line[0:line.find(';')]
T = self.getCodeInt(line, 'T')
T = getCodeInt(line, 'T')
if T is not None:
if currentExtruder > 0:
posOffset.x -= getPreference('extruder_offset_x%d' % (currentExtruder), 0.0)
posOffset.y -= getPreference('extruder_offset_y%d' % (currentExtruder), 0.0)
posOffset[0] -= getPreference('extruder_offset_x%d' % (currentExtruder), 0.0)
posOffset[1] -= getPreference('extruder_offset_y%d' % (currentExtruder), 0.0)
currentExtruder = T
if currentExtruder > 0:
posOffset.x += getPreference('extruder_offset_x%d' % (currentExtruder), 0.0)
posOffset.y += getPreference('extruder_offset_y%d' % (currentExtruder), 0.0)
posOffset[0] += getPreference('extruder_offset_x%d' % (currentExtruder), 0.0)
posOffset[1] += getPreference('extruder_offset_y%d' % (currentExtruder), 0.0)
G = self.getCodeInt(line, 'G')
G = getCodeInt(line, 'G')
if G is not None:
if G == 0 or G == 1: #Move
x = self.getCodeFloat(line, 'X')
y = self.getCodeFloat(line, 'Y')
z = self.getCodeFloat(line, 'Z')
e = self.getCodeFloat(line, 'E')
f = self.getCodeFloat(line, 'F')
oldPos = pos.copy()
if x is not None:
if posAbs:
pos.x = x * scale + posOffset.x
else:
pos.x += x * scale
if y is not None:
if posAbs:
pos.y = y * scale + posOffset.y
else:
pos.y += y * scale
if z is not None:
if posAbs:
pos.z = z * scale + posOffset.z
else:
pos.z += z * scale
x = getCodeFloat(line, 'X')
y = getCodeFloat(line, 'Y')
z = getCodeFloat(line, 'Z')
e = getCodeFloat(line, 'E')
f = getCodeFloat(line, 'F')
oldPos = pos
pos = pos[:]
if posAbs:
if x is not None:
pos[0] = x * scale + posOffset[0]
if y is not None:
pos[1] = y * scale + posOffset[1]
if z is not None:
pos[2] = z * scale + posOffset[2]
else:
if x is not None:
pos[0] += x * scale
if y is not None:
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:
totalMoveTimeMinute += (oldPos - pos).vsize() / feedRate
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 posAbsExtruder:
if e > currentE:
moveType = 'extrude'
if e < currentE:
moveType = 'retract'
totalExtrusion += e - currentE
currentE = e
else:
if e > 0:
moveType = 'extrude'
if e < 0:
moveType = 'retract'
totalExtrusion += e
currentE += e
if absoluteE:
e -= currentE
if e > 0.0:
moveType = 'extrude'
if e < 0.0:
moveType = 'retract'
totalExtrusion += e
currentE += e
if totalExtrusion > maxExtrusion:
maxExtrusion = totalExtrusion
if moveType == 'move' and oldPos.z != pos.z:
if oldPos.z > pos.z and abs(oldPos.z - pos.z) > 5.0 and pos.z < 1.0:
oldPos.z = 0.0
layerThickness = abs(oldPos.z - pos.z)
if currentPath.type != moveType or currentPath.pathType != pathType:
currentPath = gcodePath(moveType, pathType, layerThickness, currentPath.list[-1])
currentLayer.append(currentPath)
newPos = pos.copy()
newPos.e = totalExtrusion
newPos.extrudeAmountMultiply = extrudeAmountMultiply
currentPath.list.append(newPos)
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
elif G == 4: #Delay
S = self.getCodeFloat(line, 'S')
S = getCodeFloat(line, 'S')
if S is not None:
totalMoveTimeMinute += S / 60
P = self.getCodeFloat(line, 'P')
totalMoveTimeMinute += S / 60.0
P = getCodeFloat(line, 'P')
if P is not None:
totalMoveTimeMinute += P / 60 / 1000
totalMoveTimeMinute += P / 60.0 / 1000.0
elif G == 20: #Units are inches
scale = 25.4
elif G == 21: #Units are mm
scale = 1.0
elif G == 28: #Home
x = self.getCodeFloat(line, 'X')
y = self.getCodeFloat(line, 'Y')
z = self.getCodeFloat(line, 'Z')
if x is None and y is None and z is None:
pos = util3d.Vector3()
x = getCodeFloat(line, 'X')
y = getCodeFloat(line, 'Y')
z = getCodeFloat(line, 'Z')
if getPreference('machine_center_is_zero') == 'True':
center = [getPreference('machine_width') / 2, getPreference('machine_depth') / 2,0.0]
else:
center = [0.0,0.0,0.0]
if x is None and y is None and z is None:
pos = center
else:
pos = pos[:]
if x is not None:
pos.x = 0.0
pos[0] = center[0]
if y is not None:
pos.y = 0.0
pos[1] = center[1]
if z is not None:
pos.z = 0.0
pos[2] = center[2]
elif G == 90: #Absolute position
posAbs = True
posAbsExtruder = True
elif G == 91: #Relative position
posAbs = False
posAbsExtruder = False
elif G == 92:
x = self.getCodeFloat(line, 'X')
y = self.getCodeFloat(line, 'Y')
z = self.getCodeFloat(line, 'Z')
e = self.getCodeFloat(line, 'E')
x = getCodeFloat(line, 'X')
y = getCodeFloat(line, 'Y')
z = getCodeFloat(line, 'Z')
e = getCodeFloat(line, 'E')
if e is not None:
currentE = e
if x is not None:
posOffset.x = pos.x - x
posOffset[0] = pos[0] - x
if y is not None:
posOffset.y = pos.y - y
posOffset[1] = pos[1] - y
if z is not None:
posOffset.z = pos.z - z
posOffset[2] = pos[2] - z
else:
if G not in unknownGcodes:
self._logger.info("Unknown G code: %r" % G)
unknownGcodes[G] = True
unknownGcodes[G] = True
else:
M = self.getCodeInt(line, 'M')
M = getCodeInt(line, 'M')
if M is not None:
if M == 1: #Message with possible wait (ignored)
if M == 0: #Message with possible wait (ignored)
pass
elif M == 1: #Message with possible wait (ignored)
pass
elif M == 80: #Enable power supply
pass
elif M == 81: #Suicide/disable power supply
pass
elif M == 82: # Use absolute extruder positions
posAbsExtruder = True
elif M == 83: # Use relative extruder positions
posAbsExtruder = False
elif M == 82: #Absolute E
absoluteE = True
elif M == 83: #Relative E
absoluteE = False
elif M == 84: #Disable step drivers
pass
elif M == 92: #Set steps per unit
@ -278,50 +268,58 @@ class gcode(object):
pass
elif M == 113: #Extruder PWM (these should not be in the final GCode, but they are)
pass
elif M == 117: #LCD message
pass
elif M == 140: #Set bed temperature
pass
elif M == 190: #Set bed temperature & wait
pass
elif M == 221: #Extrude amount multiplier
s = self.getCodeFloat(line, 'S')
if s != None:
extrudeAmountMultiply = s / 100.0
s = getCodeFloat(line, 'S')
else:
if M not in unknownMcodes:
self._logger.info("Unknown M code: %r" % M)
unknownMcodes[M] = True
self.layerList.append(currentLayer)
unknownMcodes[M] = True
if self.progressCallback is not None:
self.progressCallback(100.0)
self.extrusionAmount = maxExtrusion
if filamentDiameter is not None and filamentDiameter > 0:
self.extrusionVolume = math.pi * math.pow(filamentDiameter / 2.0, 2) * maxExtrusion / 1000.0
self.totalMoveTimeMinute = totalMoveTimeMinute
def getCodeInt(self, line, code):
if code not in self.regMatch:
self.regMatch[code] = re.compile(code + '([^\s]+)')
m = self.regMatch[code].search(line)
if m == None:
return None
try:
return int(m.group(1))
except:
return None
def getCodeFloat(self, line, code):
if code not in self.regMatch:
self.regMatch[code] = re.compile(code + '([^\s]+)')
m = self.regMatch[code].search(line)
if m == None:
return None
try:
return float(m.group(1))
except:
return None
def _parseCuraProfileString(self, comment):
return {key: value for (key, value) in map(lambda x: x.split("=", 1), zlib.decompress(base64.b64decode(comment[len("CURA_PROFILE_STRING:"):])).split("\b"))}
if __name__ == '__main__':
for filename in sys.argv[1:]:
gcode().load(filename)
def getCodeInt(line, code):
n = line.find(code) + 1
if n < 1:
return None
m = line.find(' ', n)
try:
if m < 0:
return int(line[n:])
return int(line[n:m])
except:
return None
def getCodeFloat(line, code):
n = line.find(code) + 1
if n < 1:
return None
m = line.find(' ', n)
try:
if m < 0:
return float(line[n:])
return float(line[n:m])
except:
return None
if __name__ == '__main__':
from time import time
t = time()
for filename in sys.argv[1:]:
g = gcode()
g.load(filename)
print g.totalMoveTimeMinute
print g.extrusionAmount
print g.calculateVolumeCm3()
print time() - t

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@ -1,317 +0,0 @@
from __future__ import absolute_import
import math
import numpy
class Vector3(object):
def __init__(self, x=0.0, y=0.0, z=0.0):
self.x = x
self.y = y
self.z = z
def __copy__(self):
return Vector3(self.x, self.y, self.z)
def copy(self):
return Vector3(self.x, self.y, self.z)
def __repr__(self):
return 'V[%s, %s, %s]' % ( self.x, self.y, self.z )
def __add__(self, v):
return Vector3( self.x + v.x, self.y + v.y, self.z + v.z )
def __sub__(self, v):
return Vector3( self.x - v.x, self.y - v.y, self.z - v.z )
def __mul__(self, v):
return Vector3( self.x * v, self.y * v, self.z * v )
def __div__(self, v):
return Vector3( self.x / v, self.y / v, self.z / v )
__truediv__ = __div__
def __neg__(self):
return Vector3( - self.x, - self.y, - self.z )
def __iadd__(self, v):
self.x += v.x
self.y += v.y
self.z += v.z
return self
def __isub__(self, v):
self.x += v.x
self.y += v.y
self.z += v.z
return self
def __imul__(self, v):
self.x *= v
self.y *= v
self.z *= v
return self
def __idiv__(self, v):
self.x /= v
self.y /= v
self.z /= v
return self
def almostEqual(self, v):
return (abs(self.x - v.x) + abs(self.y - v.y) + abs(self.z - v.z)) < 0.00001
def cross(self, v):
return Vector3(self.y * v.z - self.z * v.y, -self.x * v.z + self.z * v.x, self.x * v.y - self.y * v.x)
def vsize(self):
return math.sqrt( self.x * self.x + self.y * self.y + self.z * self.z )
def normalize(self):
f = self.vsize()
if f != 0.0:
self.x /= f
self.y /= f
self.z /= f
def min(self, v):
return Vector3(min(self.x, v.x), min(self.y, v.y), min(self.z, v.z))
def max(self, v):
return Vector3(max(self.x, v.x), max(self.y, v.y), max(self.z, v.z))
class AABB(object):
def __init__(self, vMin, vMax):
self.vMin = vMin
self.vMax = vMax
self.perimeter = numpy.sum(self.vMax - self.vMin)
def combine(self, aabb):
return AABB(numpy.minimum(self.vMin, aabb.vMin), numpy.maximum(self.vMax, aabb.vMax))
def overlap(self, aabb):
if aabb.vMin[0] - self.vMax[0] > 0.0 or aabb.vMin[1] - self.vMax[1] > 0.0 or aabb.vMin[2] - self.vMax[2] > 0.0:
return False
if self.vMin[0] - aabb.vMax[0] > 0.0 or self.vMin[1] - aabb.vMax[1] > 0.0 or self.vMin[2] - aabb.vMax[2] > 0.0:
return False
return True
def __repr__(self):
return "AABB:%s - %s" % (str(self.vMin), str(self.vMax))
class _AABBNode(object):
def __init__(self, aabb):
self.child1 = None
self.child2 = None
self.parent = None
self.height = 0
self.aabb = aabb
def isLeaf(self):
return self.child1 == None
class AABBTree(object):
def __init__(self):
self.root = None
def insert(self, aabb):
newNode = _AABBNode(aabb)
if self.root == None:
self.root = newNode
return
node = self.root
while not node.isLeaf():
child1 = node.child1
child2 = node.child2
area = node.aabb.perimeter
combinedAABB = node.aabb.combine(aabb)
combinedArea = combinedAABB.perimeter
cost = 2.0 * combinedArea
inheritanceCost = 2.0 * (combinedArea - area)
if child1.isLeaf():
cost1 = aabb.combine(child1.aabb).perimeter + inheritanceCost
else:
oldArea = child1.aabb.perimeter
newArea = aabb.combine(child1.aabb).perimeter
cost1 = (newArea - oldArea) + inheritanceCost
if child2.isLeaf():
cost2 = aabb.combine(child1.aabb).perimeter + inheritanceCost
else:
oldArea = child2.aabb.perimeter
newArea = aabb.combine(child2.aabb).perimeter
cost2 = (newArea - oldArea) + inheritanceCost
if cost < cost1 and cost < cost2:
break
if cost1 < cost2:
node = child1
else:
node = child2
sibling = node
# Create a new parent.
oldParent = sibling.parent
newParent = _AABBNode(aabb.combine(sibling.aabb))
newParent.parent = oldParent
newParent.height = sibling.height + 1
if oldParent != None:
# The sibling was not the root.
if oldParent.child1 == sibling:
oldParent.child1 = newParent
else:
oldParent.child2 = newParent
newParent.child1 = sibling
newParent.child2 = newNode
sibling.parent = newParent
newNode.parent = newParent
else:
# The sibling was the root.
newParent.child1 = sibling
newParent.child2 = newNode
sibling.parent = newParent
newNode.parent = newParent
self.root = newParent
# Walk back up the tree fixing heights and AABBs
node = newNode.parent
while node != None:
node = self._balance(node)
child1 = node.child1
child2 = node.child2
node.height = 1 + max(child1.height, child2.height)
node.aabb = child1.aabb.combine(child2.aabb)
node = node.parent
def _balance(self, A):
if A.isLeaf() or A.height < 2:
return A
B = A.child1
C = A.child2
balance = C.height - B.height
# Rotate C up
if balance > 1:
F = C.child1;
G = C.child2;
# Swap A and C
C.child1 = A;
C.parent = A.parent;
A.parent = C;
# A's old parent should point to C
if C.parent != None:
if C.parent.child1 == A:
C.parent.child1 = C
else:
C.parent.child2 = C
else:
self.root = C
# Rotate
if F.height > G.height:
C.child2 = F
A.child2 = G
G.parent = A
A.aabb = B.aabb.combine(G.aabb)
C.aabb = A.aabb.combine(F.aabb)
A.height = 1 + max(B.height, G.height)
C.height = 1 + max(A.height, F.height)
else:
C.child2 = G
A.child2 = F
F.parent = A
A.aabb = B.aabb.combine(F.aabb)
C.aabb = A.aabb.combine(G.aabb)
A.height = 1 + max(B.height, F.height)
C.height = 1 + max(A.height, G.height)
return C;
# Rotate B up
if balance < -1:
D = B.child1
E = B.child2
# Swap A and B
B.child1 = A
B.parent = A.parent
A.parent = B
# A's old parent should point to B
if B.parent != None:
if B.parent.child1 == A:
B.parent.child1 = B
else:
B.parent.child2 = B
else:
self.root = B
# Rotate
if D.height > E.height:
B.child2 = D
A.child1 = E
E.parent = A
A.aabb = C.aabb.combine(E.aabb)
B.aabb = A.aabb.combine(D.aabb)
A.height = 1 + max(C.height, E.height)
B.height = 1 + max(A.height, D.height)
else:
B.child2 = E
A.child1 = D
D.parent = A
A.aabb = C.aabb.combine(D.aabb)
B.aabb = A.aabb.combine(E.aabb)
A.height = 1 + max(C.height, D.height)
B.height = 1 + max(A.height, E.height)
return B
return A
def query(self, aabb):
resultList = []
if self.root != None:
self._query(self.root, aabb, resultList)
return resultList
def _query(self, node, aabb, resultList):
if not aabb.overlap(node.aabb):
return
if node.isLeaf():
resultList.append(node.aabb)
else:
self._query(node.child1, aabb, resultList)
self._query(node.child2, aabb, resultList)
def __repr__(self):
s = "AABBTree:\n"
s += str(self.root.aabb)
return s
if __name__ == '__main__':
tree = AABBTree()
tree.insert(AABB(Vector3(0,0,0), Vector3(0,0,0)))
tree.insert(AABB(Vector3(1,1,1), Vector3(1,1,1)))
tree.insert(AABB(Vector3(0.5,0.5,0.5), Vector3(0.5,0.5,0.5)))
print(tree)
print(tree.query(AABB(Vector3(0,0,0), Vector3(0,0,0))))