def _gcodeToVBO_lines(self, gcodeLayers):
verts = numpy.zeros((0, 3), numpy.float32)
indices = numpy.zeros((0), numpy.uint32)
for layer in gcodeLayers:
for path in layer:
if path['type'] == 'move':
a = path['points'] + numpy.array([0, 0, 0.02],
numpy.float32)
i = numpy.arange(len(verts),
len(verts) + len(a), 1, numpy.uint32)
i = numpy.dstack((i[0:-1], i[1:])).flatten()
verts = numpy.concatenate((verts, a))
indices = numpy.concatenate((indices, i))
if path['type'] == 'retract':
a = path['points'] + numpy.array([0, 0, 0.02],
numpy.float32)
a = numpy.concatenate(
(a[:-1],
a[1:] + numpy.array([0, 0, 1], numpy.float32)), 1)
a = a.reshape((len(a) * 2, 3))
i = numpy.arange(len(verts),
len(verts) + len(a), 1, numpy.uint32)
verts = numpy.concatenate((verts, a))
indices = numpy.concatenate((indices, i))
return openglHelpers.GLVBO(GL_LINES, verts, indicesArray=indices)
def _gcodeToVBO_quads(self, gcodeLayers, extrudeType):
useFilamentArea = profile.getMachineSetting(
'gcode_flavor') == 'UltiGCode'
filamentRadius = profile.getProfileSettingFloat(
'filament_diameter') / 2
filamentArea = math.pi * filamentRadius * filamentRadius
if ':' in extrudeType:
extruder = int(extrudeType[extrudeType.find(':') + 1:])
extrudeType = extrudeType[0:extrudeType.find(':')]
else:
extruder = None
verts = numpy.zeros((0, 3), numpy.float32)
indices = numpy.zeros((0), numpy.uint32)
for layer in gcodeLayers:
for path in layer:
if path['type'] == 'extrude' and path[
'pathType'] == extrudeType and (
extruder is None or path['extruder'] == extruder):
a = path['points']
if extrudeType == 'FILL':
a[:, 2] += 0.01
#Construct the normals of each line 90deg rotated on the X/Y plane
normals = a[1:] - a[:-1]
lengths = numpy.sqrt(normals[:, 0]**2 + normals[:, 1]**2)
normals[:,
0], normals[:,
1] = -normals[:,
1] / lengths, normals[:,
0] / lengths
normals[:, 2] /= lengths
ePerDist = path['extrusion'][1:] / lengths
if useFilamentArea:
lineWidth = ePerDist / path['layerThickness'] / 2.0
else:
lineWidth = ePerDist * (filamentArea /
path['layerThickness'] / 2)
normals[:, 0] *= lineWidth
normals[:, 1] *= lineWidth
b = numpy.zeros((len(a) - 1, 0), numpy.float32)
b = numpy.concatenate((b, a[1:] + normals), 1)
b = numpy.concatenate((b, a[1:] - normals), 1)
b = numpy.concatenate((b, a[:-1] - normals), 1)
b = numpy.concatenate((b, a[:-1] + normals), 1)
b = b.reshape((len(b) * 4, 3))
i = numpy.arange(len(verts),
len(verts) + len(b), 1, numpy.uint32)
verts = numpy.concatenate((verts, b))
indices = numpy.concatenate((indices, i))
return openglHelpers.GLVBO(GL_QUADS, verts, indicesArray=indices)
def _polygonsToVBO_quads(self, polygons): verts = numpy.zeros((0, 3), numpy.float32) indices = numpy.zeros((0), numpy.uint32) for poly in polygons: i = numpy.arange(len(verts), len(verts) + len(poly) + 1, 1, numpy.uint32) i2 = numpy.arange(len(verts) + len(poly), len(verts) + len(poly) + len(poly) + 1, 1, numpy.uint32) i[-1] = len(verts) i2[-1] = len(verts) + len(poly) i = numpy.dstack((i[0:-1],i2[0:-1],i2[1:],i[1:])).flatten() indices = numpy.concatenate((indices, i), 0) verts = numpy.concatenate((verts, poly), 0) verts = numpy.concatenate((verts, poly * numpy.array([1,0,1],numpy.float32) + numpy.array([0,-100,0],numpy.float32)), 0) return openglHelpers.GLVBO(GL_QUADS, verts, indicesArray=indices)
def _polygonsToVBO_lines(self, polygons): verts = numpy.zeros((0, 3), numpy.float32) indices = numpy.zeros((0), numpy.uint32) for poly in polygons: if len(poly) > 2: i = numpy.arange(len(verts), len(verts) + len(poly) + 1, 1, numpy.uint32) i[-1] = len(verts) i = numpy.dstack((i[0:-1],i[1:])).flatten() else: i = numpy.arange(len(verts), len(verts) + len(poly), 1, numpy.uint32) indices = numpy.concatenate((indices, i), 0) verts = numpy.concatenate((verts, poly), 0) return openglHelpers.GLVBO(GL_LINES, verts, indicesArray=indices)
def _gcodeToVBO_lines(self, gcodeLayers, extrudeType):
if ':' in extrudeType:
extruder = int(extrudeType[extrudeType.find(':')+1:])
extrudeType = extrudeType[0:extrudeType.find(':')]
else:
extruder = None
verts = numpy.zeros((0, 3), numpy.float32)
indices = numpy.zeros((0), numpy.uint32)
for layer in gcodeLayers:
for path in layer:
if path['type'] == 'extrude' and path['pathType'] == extrudeType and (extruder is None or path['extruder'] == extruder):
i = numpy.arange(len(verts), len(verts) + len(path['points']), 1, numpy.uint32)
i = numpy.dstack((i[0:-1],i[1:])).flatten()
indices = numpy.concatenate((indices, i), 0)
verts = numpy.concatenate((verts, path['points']))
return openglHelpers.GLVBO(GL_LINES, verts, indicesArray=indices)
