singleshotpose/py2/MeshPly.py

54 строки
1.7 KiB
Python

# Class to read
class MeshPly:
def __init__(self, filename, color=[0., 0., 0.]):
f = open(filename, 'r')
self.vertices = []
self.colors = []
self.indices = []
self.normals = []
vertex_mode = False
face_mode = False
nb_vertices = 0
nb_faces = 0
idx = 0
with f as open_file_object:
for line in open_file_object:
elements = line.split()
if vertex_mode:
self.vertices.append([float(i) for i in elements[:3]])
self.normals.append([float(i) for i in elements[3:6]])
if elements[6:9]:
self.colors.append([float(i) / 255. for i in elements[6:9]])
else:
self.colors.append([float(i) / 255. for i in color])
idx += 1
if idx == nb_vertices:
vertex_mode = False
face_mode = True
idx = 0
elif face_mode:
self.indices.append([float(i) for i in elements[1:4]])
idx += 1
if idx == nb_faces:
face_mode = False
elif elements[0] == 'element':
if elements[1] == 'vertex':
nb_vertices = int(elements[2])
elif elements[1] == 'face':
nb_faces = int(elements[2])
elif elements[0] == 'end_header':
vertex_mode = True
if __name__ == '__main__':
path_model = ''
mesh = MeshPly(path_model)