Files
cvpr_2023/utils/utils.py
T
2023-07-14 10:12:00 +02:00

62 lines
1.5 KiB
Python

import os
import sys
import numpy as np
from torch.utils.data import DataLoader
from stl import mesh as mesh_stl
class Accumulator():
def __init__(self):
self.dict = dict()
def update(self, dict):
for key in dict.keys():
if key in self.dict.keys():
self.dict[key].append(dict[key])
else:
self.dict[key] = [dict[key]]
def get(self):
result = dict()
for key in self.dict.keys():
result[key] = np.mean(self.dict[key])
return result
def reset(self):
self.dict = dict()
class InfiniteDataLoader(DataLoader):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# Initialize an iterator over the dataset.
self.dataset_iterator = super().__iter__()
def __iter__(self):
return self
def __next__(self):
try:
batch = next(self.dataset_iterator)
except StopIteration:
# Dataset exhausted, use a new fresh iterator.
self.dataset_iterator = super().__iter__()
batch = next(self.dataset_iterator)
return batch
def text_to_html(lines):
html = ''
for line in lines:
html += "<pre>" + line + "</pre>"
return html
def save_stl(file, mesh, faces):
obj = mesh_stl.Mesh(np.zeros(faces.shape[0], dtype=mesh_stl.Mesh.dtype))
for i, f in enumerate(faces):
for j in range(3):
obj.vectors[i][j] = mesh[f[j],:]
obj.save(file)