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27 lines
701 B
27 lines
701 B
2 years ago
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from PIL import Image
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import numpy
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heights = numpy.asarray(Image.open("heightmap.png"), dtype=float)
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if len(heights.shape) == 3:
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heights = heights[:, :, 0]
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heights /= 255.0
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x0 = -5
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z0 = -5
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dx = 10 / heights.shape[0]
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dz = 10 / heights.shape[1]
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max_y = 2.5
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min_y = 0
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num_points = 0
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needle_height = 0.1
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for i in range(0, heights.shape[0], 2):
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for j in range(0, heights.shape[1], 2):
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print(
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f"v {x0 + i * dx:g} {max_y * heights[i, j] + min_y:g} {z0 + j * dz:g}")
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print(
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f"v {x0 + i * dx:g} {max_y * heights[i, j] + min_y - needle_height:g} {z0 + j * dz:g}")
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num_points += 1
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for i in range(num_points):
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print(f"l {2 * i + 1:d} {2 * i + 2:d}")
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