matei jordache
d4c5cf4670
Some checks failed
Build / Build (Linux) (push) Has been cancelled
Build / Build (macOS) (push) Has been cancelled
Build / Build (Windows) (push) Has been cancelled
Deploy / test (push) Has been cancelled
Deploy / deploy (push) Has been cancelled
Tests / test (push) Has been cancelled
57 lines
1.3 KiB
Python
57 lines
1.3 KiB
Python
"""Zero Value — shift data so the mean or maximum equals zero."""
|
|
|
|
from __future__ import annotations
|
|
|
|
import numpy as np
|
|
|
|
from backend.node_registry import register_node
|
|
from backend.data_types import DataField
|
|
|
|
|
|
@register_node(display_name="Zero Mean")
|
|
class ZeroMean:
|
|
@classmethod
|
|
def INPUT_TYPES(cls):
|
|
return {
|
|
"required": {
|
|
"field": ("DATA_FIELD",),
|
|
}
|
|
}
|
|
|
|
OUTPUTS = (
|
|
('DATA_FIELD', 'leveled'),
|
|
)
|
|
FUNCTION = "process"
|
|
|
|
DESCRIPTION = "Shift all values so the mean is exactly zero."
|
|
|
|
KEYWORDS = ("offset", "center", "level", "mean")
|
|
|
|
def process(self, field: DataField) -> tuple:
|
|
data = np.asarray(field.data, dtype=np.float64)
|
|
return (field.replace(data=data - data.mean()),)
|
|
|
|
|
|
@register_node(display_name="Zero Maximum")
|
|
class ZeroMaximum:
|
|
@classmethod
|
|
def INPUT_TYPES(cls):
|
|
return {
|
|
"required": {
|
|
"field": ("DATA_FIELD",),
|
|
}
|
|
}
|
|
|
|
OUTPUTS = (
|
|
('DATA_FIELD', 'leveled'),
|
|
)
|
|
FUNCTION = "process"
|
|
|
|
DESCRIPTION = "Shift all values so the maximum is exactly zero."
|
|
|
|
KEYWORDS = ("offset", "level", "maximum")
|
|
|
|
def process(self, field: DataField) -> tuple:
|
|
data = np.asarray(field.data, dtype=np.float64)
|
|
return (field.replace(data=data - data.max()),)
|