mirror of
https://github.com/wassname/simpeg.git
synced 2026-06-29 01:28:06 +08:00
Brendan Smithyman
49 lines
1.2 KiB
Python
49 lines
1.2 KiB
Python
from __future__ import division
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from __future__ import unicode_literals
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from __future__ import print_function
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from __future__ import absolute_import
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from future import standard_library
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standard_library.install_aliases()
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from past.utils import old_div
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from SimPEG import Mesh, Maps, Utils
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def run(plotIt=True):
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"""
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Maps: Mesh2Mesh
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===============
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This mapping allows you to go from one mesh to another.
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"""
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M = Mesh.TensorMesh([100,100])
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h1 = Utils.meshTensor([(6,7,-1.5),(6,10),(6,7,1.5)])
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h1 = old_div(h1,h1.sum())
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M2 = Mesh.TensorMesh([h1,h1])
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V = Utils.ModelBuilder.randomModel(M.vnC, seed=79, its=50)
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v = Utils.mkvc(V)
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modh = Maps.Mesh2Mesh([M,M2])
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modH = Maps.Mesh2Mesh([M2,M])
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H = modH * v
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h = modh * H
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if not plotIt: return
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import matplotlib.pyplot as plt
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ax = plt.subplot(131)
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M.plotImage(v, ax=ax)
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ax.set_title('Fine Mesh (Original)')
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ax = plt.subplot(132)
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M2.plotImage(H,clim=[0,1],ax=ax)
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ax.set_title('Course Mesh')
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ax = plt.subplot(133)
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M.plotImage(h,clim=[0,1],ax=ax)
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ax.set_title('Fine Mesh (Interpolated)')
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plt.show()
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if __name__ == '__main__':
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run()
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