53 lines
2.3 KiB
Python
Executable File
53 lines
2.3 KiB
Python
Executable File
#!/usr/bin/python
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import sys
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from optparse import OptionParser
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import numpy as np
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import scipy.spatial
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import baker
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from tools import rms, get_mesh, exact_func
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if __name__ == '__main__':
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parser = OptionParser()
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parser.add_option("-o", "--output-file", dest="output", type='str', default = '/tmp/for_qhull.txt', help = "qhull output file")
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parser.add_option("-e", "--extra-points", dest="extra", type='int', default = 3, help = "how many extra points")
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parser.add_option("-s", "--source-total", dest="source_total", type='int', default = 100, help = "total number of source points for random, resolution for structured")
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parser.add_option("-d", "--destination-total", dest="destination_total", type='int', default = 100, help = "total number of destination points, resolution for structured")
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parser.add_option("-r", "--structured", action = 'store_true', default = False, help = "use a structured grid instead of random point cloud")
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parser.add_option("-v", "--verbose", action = 'store_true', default = False, help = "verbosity")
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(options, args) = parser.parse_args()
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print >> sys.stderr, options
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mesh_source, mesh_dest = get_mesh(options.source_total, options.destination_total, options.structured)
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tree = scipy.spatial.KDTree(mesh_source.points)
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open(options.output, 'w').write(mesh_source.for_qhull())
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print >> sys.stderr, "wrote source mesh output to %s" % options.output
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errors = []
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success = 0
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for x in mesh_dest.points:
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lin, error, final = baker.run_baker(x, mesh_source, tree, options.extra, options.verbose)
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exact = exact_func(x[0], x[1])
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if np.abs(exact - final) < np.abs(exact - lin):
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success += 1
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if options.verbose:
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print "current point : %s" % x
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print "exact : %0.4f" % exact
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print "qlin : %0.4f" % lin
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print "q_final : %0.4f" % final
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print "qlinerr : %0.4f" % (exact - lin,)
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print "q_final_err : %0.4f" % (exact - final,)
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cur_error = np.abs(final - exact)
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errors.append(cur_error)
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print rms(errors)
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print "%s of %s won" % (success, options.destination_total)
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