4 class _objectOrder(object):
5 def __init__(self, order, todo):
9 class _objectOrderFinder(object):
10 def __init__(self, scene, offset, leftToRight, frontToBack, gantryHeight):
12 self._offset = offset - numpy.array([0.1,0.1])
13 self._objs = scene.objects()
14 self._leftToRight = leftToRight
15 self._frontToBack = frontToBack
17 for n in xrange(0, len(self._objs)):
18 if scene.checkPlatform(self._objs[n]):
20 if len(initialList) == 0:
23 self._todo = [_objectOrder([], initialList)]
24 while len(self._todo) > 0:
25 current = self._todo.pop()
26 for addIdx in current.todo:
27 if not self._checkHitFor(addIdx, current.order):
28 todoList = current.todo[:]
29 todoList.remove(addIdx)
30 order = current.order[:] + [addIdx]
31 if len(todoList) == 0:
35 self._todo.append(_objectOrder(order, todoList))
38 def _checkHitFor(self, addIdx, others):
40 if self._checkHit(addIdx, idx):
44 def _checkHit(self, addIdx, idx):
45 addPos = self._scene._objectList[addIdx].getPosition()
46 addSize = self._scene._objectList[addIdx].getSize()
47 pos = self._scene._objectList[idx].getPosition()
48 size = self._scene._objectList[idx].getSize()
51 if addPos[0] - addSize[0] / 2 - self._offset[0] <= pos[0] + size[0] / 2:
54 if addPos[0] + addSize[0] / 2 + self._offset[0] <= pos[0] - size[0] / 2:
58 if addPos[1] - addSize[1] / 2 - self._offset[1] >= pos[1] + size[1] / 2:
61 if addPos[1] + addSize[1] / 2 + self._offset[1] >= pos[1] - size[1] / 2:
69 self._sizeOffsets = numpy.array([0.0,0.0], numpy.float32)
70 self._machineSize = numpy.array([100,100,100], numpy.float32)
71 self._headOffsets = numpy.array([18.0,18.0], numpy.float32)
72 self._leftToRight = False
73 self._frontToBack = True
74 self._gantryHeight = 60
76 def setMachineSize(self, machineSize):
77 self._machineSize = machineSize
79 def setSizeOffsets(self, sizeOffsets):
80 self._sizeOffsets = sizeOffsets
82 def setHeadSize(self, xMin, xMax, yMin, yMax, gantryHeight):
83 self._leftToRight = xMin < xMax
84 self._frontToBack = yMin < yMax
85 self._headOffsets[0] = min(xMin, xMax)
86 self._headOffsets[1] = min(yMin, yMax)
87 self._gantryHeight = gantryHeight
89 def getObjectExtend(self):
90 return self._sizeOffsets + self._headOffsets
93 return self._objectList
96 self._findFreePositionFor(obj)
97 self._objectList.append(obj)
100 def remove(self, obj):
101 self._objectList.remove(obj)
103 def merge(self, obj1, obj2):
105 obj1._meshList += obj2._meshList
107 obj1.setPosition((obj1.getPosition() + obj2.getPosition()) / 2)
112 while self._pushFree():
117 def arrangeAll(self):
118 oldList = self._objectList
119 self._objectList = []
121 obj.setPosition(numpy.array([0,0], numpy.float32))
125 minPos = numpy.array([9999999,9999999], numpy.float32)
126 maxPos = numpy.array([-9999999,-9999999], numpy.float32)
127 for obj in self._objectList:
128 pos = obj.getPosition()
130 minPos[0] = min(minPos[0], pos[0] - size[0] / 2)
131 minPos[1] = min(minPos[1], pos[1] - size[1] / 2)
132 maxPos[0] = max(maxPos[0], pos[0] + size[0] / 2)
133 maxPos[1] = max(maxPos[1], pos[1] + size[1] / 2)
134 offset = -(maxPos + minPos) / 2
135 for obj in self._objectList:
136 obj.setPosition(obj.getPosition() + offset)
138 def printOrder(self):
139 order = _objectOrderFinder(self, self._headOffsets + self._sizeOffsets, self._leftToRight, self._frontToBack, self._gantryHeight).order
141 print "ODD! Cannot find out proper printing order!!!"
142 for obj in self._objectList:
143 print obj.getPosition(), obj.getSize()
147 for a in self._objectList:
148 for b in self._objectList:
149 if not self._checkHit(a, b):
151 posDiff = a.getPosition() - b.getPosition()
152 if posDiff[0] == 0.0 and posDiff[1] == 0.0:
154 if abs(posDiff[0]) > abs(posDiff[1]):
158 aPos = a.getPosition()
159 bPos = b.getPosition()
160 center = (aPos[axis] + bPos[axis]) / 2
161 distance = (a.getSize()[axis] + b.getSize()[axis]) / 2 + 0.1 + self._sizeOffsets[axis] + self._headOffsets[axis]
162 if posDiff[axis] < 0:
164 aPos[axis] = center + distance / 2
165 bPos[axis] = center - distance / 2
171 def _checkHit(self, a, b):
174 posDiff = a.getPosition() - b.getPosition()
175 if abs(posDiff[0]) < (a.getSize()[0] + b.getSize()[0]) / 2 + self._sizeOffsets[0] + self._headOffsets[0]:
176 if abs(posDiff[1]) < (a.getSize()[1] + b.getSize()[1]) / 2 + self._sizeOffsets[1] + self._headOffsets[1]:
180 def checkPlatform(self, obj):
181 p = obj.getPosition()
182 s = obj.getSize()[0:2] / 2 + self._sizeOffsets
183 if p[0] - s[0] < -self._machineSize[0] / 2:
185 if p[0] + s[0] > self._machineSize[0] / 2:
187 if p[1] - s[1] < -self._machineSize[1] / 2:
189 if p[1] + s[1] > self._machineSize[1] / 2:
193 def _findFreePositionFor(self, obj):
195 for a in self._objectList:
197 s = (a.getSize()[0:2] + obj.getSize()[0:2]) / 2 + self._sizeOffsets + self._headOffsets
198 posList.append(p + s * ( 1.0, 1.0))
199 posList.append(p + s * ( 0.0, 1.0))
200 posList.append(p + s * (-1.0, 1.0))
201 posList.append(p + s * ( 1.0, 0.0))
202 posList.append(p + s * (-1.0, 0.0))
203 posList.append(p + s * ( 1.0,-1.0))
204 posList.append(p + s * ( 0.0,-1.0))
205 posList.append(p + s * (-1.0,-1.0))
212 for a in self._objectList:
213 if self._checkHit(a, obj):
218 dist = numpy.linalg.norm(p)
219 if not self.checkPlatform(obj):
221 if best is None or dist < bestDist:
225 obj.setPosition(best)