35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
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import numpy as np
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import fatiando as ft
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shape = (41, 41)
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x, y = ft.grd.regular((-10, 10, 30, 50), shape)
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height = 800 - 1000*ft.utils.gaussian2d(x, y, 3, 1, x0=0, y0=37)
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rel = -7000*ft.utils.gaussian2d(x, y, 3, 5, x0=0, y0=40)
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thick = height - rel
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dens = 1900*np.ones_like(thick)
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data = np.transpose([x, y, height, thick, dens])
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with open('layers.txt', 'w') as f:
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f.write("# Synthetic layer model of sediments and topography\n")
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f.write("# Columns are:\n")
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f.write("# lon lat height thickness density\n")
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np.savetxt(f, data, fmt='%g')
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ft.vis.figure(figsize=(4, 3))
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ft.vis.title('Depth of sediments [m]')
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ft.vis.axis('scaled')
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ft.vis.pcolor(x, y, rel, shape)
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ft.vis.colorbar()
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ft.vis.savefig('depth.png')
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ft.vis.figure(figsize=(4, 3))
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ft.vis.title('Topography [m]')
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ft.vis.axis('scaled')
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ft.vis.pcolor(x, y, height, shape)
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ft.vis.colorbar()
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ft.vis.savefig('topography.png')
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ft.vis.figure(figsize=(4, 3))
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ft.vis.title('Thickness of sediment layer [m]')
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ft.vis.axis('scaled')
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ft.vis.pcolor(x, y, thick, shape)
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ft.vis.colorbar()
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ft.vis.savefig('thickness.png')
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ft.vis.show()
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