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make GeometryIndexed slicing even faster

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Laura Klünder 2017-11-21 16:24:10 +01:00
parent 624d6f281c
commit d0a4a71118
1 changed files with 5 additions and 5 deletions
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10
src/c3nav/mapdata/utils/cache/indexed.py vendored
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@ -146,12 +146,12 @@ class GeometryIndexed:
maxy = int(math.ceil(yy.stop / self.resolution)) maxy = int(math.ceil(yy.stop / self.resolution))
height, width = self.data.shape height, width = self.data.shape
minx = max(self.x, min(self.x + width, minx)) - self.x minx = max(0, minx - self.x)
miny = max(self.y, min(self.y + height, miny)) - self.y miny = max(0, miny - self.y)
maxx = max(self.x, min(self.x + width, maxx)) - self.x maxx = max(0, maxx - self.x)
maxy = max(self.y, min(self.y + height, maxy)) - self.y maxy = max(0, maxy - self.y)
return self.data[miny:maxy, minx:maxx].flatten() return self.data[miny:maxy, minx:maxx].ravel()
from shapely.geometry.base import BaseGeometry from shapely.geometry.base import BaseGeometry
if isinstance(key, BaseGeometry): if isinstance(key, BaseGeometry):