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min zero in GeometryIndexed.to_image

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Laura Klünder 2017-11-17 15:03:56 +01:00
parent 3dd41a3504
commit 6da6c5dcdf
1 changed files with 1 additions and 1 deletions
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2
src/c3nav/mapdata/cache.py
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@ -171,7 +171,7 @@ class GeometryIndexed:
int(math.ceil((maxx-minx)/self.resolution))), dtype=np.uint8)
if self.data.size:
minval = max(self.data.min(), 0)
minval = min(self.data.min(), 0)
maxval = max(self.data.max(), minval+0.01)
visible_data = ((self.data.astype(float)-minval)*255/(maxval-minval)).clip(0, 255).astype(np.uint8)
image_data[self.y:self.y+height, self.x:self.x+width] = visible_data