abs when thresholding raster for manhattanization

7 years ago · b3f99ee123
parent 83d163a102
commit b3f99ee123
1 changed files with 1 additions and 1 deletions
--- a/masque/shapes/shape.py
+++ b/masque/shapes/shape.py
@ -249,7 +249,7 @@ class Shape(metaclass=ABCMeta):
                      numpy.where(keep_y)[0][0])

            rastered = float_raster.raster((polygon.vertices + polygon.offset).T, gx, gy)
-            binary_rastered = (rastered >= 0.5)
+            binary_rastered = (numpy.abs(rastered) >= 0.5)
            supersampled = binary_rastered.repeat(2, axis=0).repeat(2, axis=1)

            contours = skimage.measure.find_contours(supersampled, 0.5)