def _updateMeshInfoThreadFunction(self):
transformedMin = numpy.array([999999999999,999999999999,999999999999], numpy.float64)
transformedMax = numpy.array([-999999999999,-999999999999,-999999999999], numpy.float64)
boundarySphere = 0.0
hull = numpy.zeros((0, 2), numpy.int)
for v in self._mesh.getVolumes():
vertexData = (numpy.matrix(v.vertexData[::, 0:3], copy = False) * numpy.matrix(self._matrix, numpy.float32)).getA()
hull = polygon.convexHull(numpy.concatenate((numpy.rint(vertexData[:,0:2]).astype(int), hull), 0))
vertexMin = vertexData.min(0)
vertexMax = vertexData.max(0)
for n in xrange(0, 3):
transformedMin[n] = min(transformedMin[n], vertexMin[n])
transformedMax[n] = max(transformedMax[n], vertexMax[n])
center = (transformedMin + transformedMax) / 2.0
for v in self._mesh.getVolumes():
vertexData = v.vertexData[::,0:3]
centeredData = vertexData - center
sphere = math.sqrt(numpy.max(centeredData[:, 0] ** 2 + centeredData[:, 1] ** 2 + centeredData[:, 2] ** 2))
boundarySphere = max(boundarySphere, sphere)
self._vMin = transformedMin
self._vMax = transformedMax
size = transformedMax - transformedMin
self._boundarySphere = boundarySphere
self._drawOffset = numpy.array([-center[0], -center[1], -transformedMin[2]])
self._convex2dBoundary = polygon.minkowskiHull((hull.astype(numpy.float32) + self._drawOffset[0:2]), numpy.array([[-1,-1],[-1,1],[1,1],[1,-1]],numpy.float32))
head_shape = self._scene.getMachine().getHeadShape()
head_min_x, head_min_y = self._scene.getMachine().getHeadSizeMin()
nozzle_active_map = 0
for volume in self.getMesh().getVolumes():
nozzle_active_map |= 1 << (volume.getMetaData('setting_extruder_nr', self.getMesh().getMetaData('setting_extruder_nr', 0)))
head_hit_shape = None
for n in xrange(0, self._scene.getMachine().getMaxNozzles()):
if nozzle_active_map & (1 << n):
offset = self._scene.getMachine().getNozzleOffset(n)
if head_hit_shape is None:
head_hit_shape = polygon.minkowskiHull(self._convex2dBoundary, head_shape - offset)
else:
head_hit_shape = polygon.convexHull(numpy.concatenate((head_hit_shape, polygon.minkowskiHull(self._convex2dBoundary, head_shape - offset))))
self._head_hit_shape = head_hit_shape
square_x = head_min_x + size[0] / 2.0 + 1
square_y = head_min_y + size[1] / 2.0 + 1
square = []
for n in xrange(0, self._scene.getMachine().getMaxNozzles()):
if nozzle_active_map & (1 << n):
offset = self._scene.getMachine().getNozzleOffset(n)
square += [[square_x - offset[0], square_y - offset[1]], [square_x - offset[0], -square_y - offset[1]], [-square_x - offset[0], -square_y - offset[1]], [-square_x - offset[0], square_y - offset[1]]]
square = polygon.convexHull(square)
self._head_hit_shape_min_no_extension = polygon.clipConvex(self._head_hit_shape, square)
self.updatePrintExtension()
self._updated()
def _updateMeshInfo(self):
transformedMin = numpy.array([999999999999,999999999999,999999999999], numpy.float64)
transformedMax = numpy.array([-999999999999,-999999999999,-999999999999], numpy.float64)
boundarySphere = 0.0
hull = numpy.zeros((0, 2), numpy.int)
for v in self._mesh.getVolumes():
vertexData = (numpy.matrix(v.vertexData[::, 0:3], copy = False) * numpy.matrix(self._matrix, numpy.float32)).getA()
hull = polygon.convexHull(numpy.concatenate((numpy.rint(vertexData[:,0:2]).astype(int), hull), 0))
vertexMin = vertexData.min(0)
vertexMax = vertexData.max(0)
for n in xrange(0, 3):
transformedMin[n] = min(transformedMin[n], vertexMin[n])
transformedMax[n] = max(transformedMax[n], vertexMax[n])
center = (transformedMin + transformedMax) / 2.0
for v in self._mesh.getVolumes():
vertexData = v.vertexData[::,0:3]
centeredData = vertexData - center
sphere = math.sqrt(numpy.max(centeredData[:, 0] ** 2 + centeredData[:, 1] ** 2 + centeredData[:, 2] ** 2))
boundarySphere = max(boundarySphere, sphere)
self._vMin = transformedMin
self._vMax = transformedMax
size = transformedMax - transformedMin
self._boundarySphere = boundarySphere
self._drawOffset = numpy.array([-center[0], -center[1], -transformedMin[2]])
self._convex2dBoundary = polygon.minkowskiHull((hull.astype(numpy.float32) + self._drawOffset[0:2]), numpy.array([[-1,-1],[-1,1],[1,1],[1,-1]],numpy.float32))
head_shape = self._scene.getMachine().getHeadShape()
head_min_x, head_min_y = self._scene.getMachine().getHeadSizeMin()
self._head_hit_shape = polygon.minkowskiHull(self._convex2dBoundary, head_shape)
square_x = head_min_x + size[0] / 2.0 + 1
square_y = head_min_y + size[1] / 2.0 + 1
square = numpy.array([[square_x, square_y], [square_x, -square_y], [-square_x, -square_y], [-square_x, square_y]])
self._head_hit_shape_min_no_extension = polygon.clipConvex(self._head_hit_shape, square)
self.updatePrintExtension()
self._updated()