julius/prototorch
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add utils.py

Browse Source
This commit is contained in:
Jensun Ravichandran 2021-06-11 23:07:07 +02:00
parent 24903b761c
commit 396d569351
1 changed files with 18 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
prototorch/utils/utils.py Normal file
View File

@ -0,0 +1,18 @@
"""ProtoFlow utilities"""
import numpy as np
def mesh2d(x=None, border: float = 1.0, resolution: int = 100):
if x is not None:
x_shift = border * np.ptp(x[:, 0])
y_shift = border * np.ptp(x[:, 1])
x_min, x_max = x[:, 0].min() - x_shift, x[:, 0].max() + x_shift
y_min, y_max = x[:, 1].min() - y_shift, x[:, 1].max() + y_shift
else:
x_min, x_max = -border, border
y_min, y_max = -border, border
xx, yy = np.meshgrid(np.linspace(x_min, x_max, resolution),
np.linspace(y_min, y_max, resolution))
mesh = np.c_[xx.ravel(), yy.ravel()]
return mesh, xx, yy