| import matplotlib.pyplot as plt
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| import matplotlib.patches as patches
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| import numpy as np
|
|
|
| def data_generation(rounding_size=0.00, gray_value=0.5, rotation_angle=0, shape_size=0.2):
|
| """
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| Draws two symmetric upright squares on a square canvas, positioned symmetrically and rotated around center.
|
|
|
| Parameters:
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| - rounding_size: float (0 to ~0.5), roundness of the soft-corner square
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| - gray_value: float (0 to 1), grayscale color of the squares (1=white, 0=black)
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| - rotation_angle: float, rotation angle in degrees (affects position only, not shape orientation)
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| - shape_size: float, size of the squares (0 to 1)
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| """
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| fig, ax = plt.subplots(figsize=(6, 6))
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|
|
|
|
|
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| color_sharp = (0.75, 0.75, 0.75)
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| color_rounded = (gray_value, gray_value, gray_value)
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|
|
|
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| cx, cy = 0.5, 0.5
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|
|
| offset = 0.25
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|
|
|
|
| theta = np.radians(rotation_angle)
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| cos_t, sin_t = np.cos(theta), np.sin(theta)
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|
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| def rotate_point(x, y, cx, cy):
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| """Rotate a point (x, y) around center (cx, cy) by theta radians."""
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| x_shifted = x - cx
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| y_shifted = y - cy
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| x_new = cos_t * x_shifted - sin_t * y_shifted + cx
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| y_new = sin_t * x_shifted + cos_t * y_shifted + cy
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| return x_new, y_new
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|
|
|
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| shape_size_sharp = 0.2
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| left_center = rotate_point(cx - offset, cy, cx, cy)
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| square_sharp = patches.Rectangle(
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| (left_center[0] - shape_size_sharp/2, left_center[1] - shape_size_sharp/2),
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| shape_size_sharp, shape_size_sharp,
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| linewidth=1, edgecolor=color_sharp, facecolor=color_sharp
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| )
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| ax.add_patch(square_sharp)
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|
|
|
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| right_center = rotate_point(cx + offset, cy, cx, cy)
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| square_rounded = patches.FancyBboxPatch(
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| (right_center[0] - shape_size/2, right_center[1] - shape_size/2),
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| shape_size, shape_size,
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| boxstyle=f"round,pad=0.00, rounding_size={rounding_size}",
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| linewidth=1, edgecolor=color_rounded, facecolor=color_rounded
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| )
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| ax.add_patch(square_rounded)
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|
|
|
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| ax.set_xlim(0, 1)
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| ax.set_ylim(0, 1)
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| ax.set_aspect('equal')
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| ax.axis('off')
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|
|
|
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| plt.savefig(
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| f"test_{rounding_size:.3f}_{gray_value:.2f}_{rotation_angle:.1f}_{shape_size:.2f}.png",
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| dpi=300, bbox_inches='tight'
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| )
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| plt.show()
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|
|
|
|
| for r in [0.00, 0.03, 0.06, 0.09, 0.12]:
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| for g in [0.75, 0.65, 0.55, 0.45, 0.35]:
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| for a in [-45, -22.5, 0, 22.5, 45]:
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| for s in [0.2, 0.25, 0.30, 0.35, 0.40]:
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| data_generation(
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| rounding_size=r,
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| gray_value=g,
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| rotation_angle=a,
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| shape_size=s
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| ) |
