esbo_ds/ESBO-ETC
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Bugfix: set the center pixel by default

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This commit is contained in:
Lukas Klass 2020-05-13 14:32:21 +02:00
parent 3fc06ec993
commit f251a42012
1 changed files with 1 additions and 1 deletions
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2
esbo_etc/lib/helpers.py
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@ -69,7 +69,6 @@ def rasterizeCircle(grid: np.ndarray, radius: float, xc: float, yc: float):
radius_pix = int(np.ceil(radius)) + 1 # Length of the square containing the pixels to be checked
r2 = radius ** 2 # square of the radius
grid[yc_pix, xc_pix] = 1 # Set the center pixel by default
# Create meshgrid for the x and y range of the circle
dx, dy = np.meshgrid(range(- radius_pix if xc_pix - radius_pix >= 0 else - xc_pix,
radius_pix + 1 if grid.shape[1] > (xc_pix + radius_pix + 1) else grid.shape[1] - xc_pix),
@ -81,6 +80,7 @@ def rasterizeCircle(grid: np.ndarray, radius: float, xc: float, yc: float):
dy_side2 = (dy + y_shift + ((dy < 0) - 0.5)) ** 2 # Square of the y-component of the neighbouring pixels radius
res = np.logical_or(dx_side2 + dy2 <= r2, dx2 + dy_side2 < r2) # Check if pixel is inside or outside
grid[(dy.min() + yc_pix):(dy.max() + yc_pix + 1), (dx.min() + xc_pix):(dx.max() + xc_pix + 1)] = res
grid[yc_pix, xc_pix] = 1 # Set the center pixel by default
# fig, ax = plt.subplots()
# plt.imshow(grid)
# circle = plt.Circle((xc, yc), radius, color='r', fill=False)