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import cv2 |
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import svgwrite |
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import colorsys |
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def plot_preds(image, corners, edges): |
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for line in edges: |
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cv2.line(image, tuple(line[:2]), tuple(line[2:]), (255, 255, 0), 2) |
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for c in corners: |
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cv2.circle(image, (int(c[0]), int(c[1])), 3, (0, 0, 255), -1) |
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return image |
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def random_colors(N, bright=True, same=False, colors=None): |
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brightness = 1.0 if bright else 0.7 |
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if colors is None or same: |
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if same: |
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hsv = [(0, 1, brightness) for i in range(N)] |
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else: |
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hsv = [(i / N, 1, brightness) for i in range(N)] |
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else: |
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hsv = [(colors[i], 1, brightness) for i in range(N)] |
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colors = list(map(lambda c: colorsys.hsv_to_rgb(*c), hsv)) |
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return colors |
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def svg_generate(image_link, corners, edges, name, size=512): |
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dwg = svgwrite.Drawing(name + '.svg', size=('{}'.format(size), '{}'.format(size))) |
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shapes = dwg.add(dwg.g(id='shape', fill='black')) |
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shapes.add(dwg.image(href=image_link, size=(size, size))) |
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scale = size / 256 |
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for i, edge in enumerate(edges): |
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x = edge[:2] * scale |
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y = edge[2:] * scale |
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shapes.add(dwg.line((int(x[0]), int(x[1])), (int(y[0]), int(y[1])), |
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stroke="#EE6507", stroke_width=3*scale, opacity=0.7)) |
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for i, corner in enumerate(corners): |
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shapes.add(dwg.circle((int(corners[i][0] * scale), int(corners[i][1]) * scale), r=4*scale, |
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stroke='green', fill='white', stroke_width=2*scale, opacity=0.8)) |
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return dwg |
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