42 lines
926 B
Python
42 lines
926 B
Python
# pip install pillow scikit-image
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# or
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# sudo apt install python3-pil python3-skimage
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from PIL import Image
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from skimage.measure import find_contours
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from matplotlib import pyplot
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import numpy
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from masque import Pattern, Polygon
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from masque.file.gdsii import writefile
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#
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# Read the image into a numpy array
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#
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im = Image.open('./Desktop/Camera/IMG_20220626_091101.jpg')
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aa = numpy.array(im.convert(mode='L').getdata()).reshape(im.height, im.width)
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threshold = (aa.max() - aa.min()) / 2
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#
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# Find edge contours and plot them
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#
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contours = find_contours(aa, threshold)
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pyplot.imshow(aa)
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for contour in contours:
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pyplot.plot(contour[:, 1], contour[:, 0], linewidth=2)
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pyplot.show(block=False)
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#
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# Create the layout from the contours
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#
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pat = Pattern()
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pat.shapes = [Polygon(vertices=vv) for vv in contours if len(vv) < 1_000]
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lib = {}
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lib['my_mask_name'] = pat
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writefile(lib, 'test_contours.gds', meters_per_unit=1e-9)
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