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Allow PointAnnotation sampling in RandomPointSampler #61

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merged 1 commit into from
Jul 30, 2024
Merged

Allow PointAnnotation sampling in RandomPointSampler #61

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7 changes: 5 additions & 2 deletions wholeslidedata/samplers/pointsampler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
from shapely.affinity import affine_transform
from shapely.geometry import Point
from wholeslidedata.samplers.sampler import Sampler

from wholeslidedata.annotation.types import PointAnnotation

class PointSampler(Sampler):
@abc.abstractmethod
Expand Down Expand Up @@ -39,6 +39,9 @@ def __init__(self, buffer=0.0, simplify=2.0, seed=123):
self._simplify = simplify

def sample(self, annotation):
if isinstance(annotation, PointAnnotation):
return annotation.centroid

buffer = self._buffer
if isinstance(self._buffer, dict):
try:
Expand All @@ -64,4 +67,4 @@ def sample(self, annotation):
p = affine_transform(Point(1 - x, 1 - y), transform)
else:
p = affine_transform(Point(x, y), transform)
return p.x, p.y
return p.x, p.y
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