def __init__(self, pts, polys, norms=None):
self.tf = tempfile.NamedTemporaryFile()
self.ctm = CTMfile(self.tf.name, "w")
self.ctm.setMesh(pts.astype(np.float32),
polys.astype(np.uint32),
norms=norms)
self.pts = pts
self.polys = polys
self.flat = None
self.surfs = {}
self.aux = np.zeros((len(self.ctm), 4))
def read_pack(ctmfile):
fname = os.path.splitext(ctmfile)[0]
jsfile = json.load(open(fname + ".json"))
offset = jsfile['offsets']
meshes = []
with open(ctmfile, 'r') as ctmfp:
ctmfp.seek(0, 2)
offset.append(ctmfp.tell())
for start, end in zip(offset[:-1], offset[1:]):
ctmfp.seek(start)
tf = tempfile.NamedTemporaryFile()
tf.write(ctmfp.read(end - start))
tf.seek(0)
ctm = CTMfile(tf.name, "r")
pts, polys, norms = ctm.getMesh()
meshes.append((pts, polys))
return meshes
def save(self, **kwargs):
self.ctm.addAttrib(self.aux, 'auxdat')
self.ctm.save(**kwargs)
ctm = CTMfile(self.tf.name)
return ctm.getMesh(), self.tf.read()
