fleshed out the resolution study script
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@ -1,45 +1,58 @@
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import sys
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import numpy as np
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from interp.grid.delaunay import dgrid
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from interp.tools import baker_exact_3D
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from interp.tools import rms
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import pickle
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import time
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from progressbar import *
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attempts = 1000
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from interp.grid.DD import *
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from interp.tools import *
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from interp import bootstrap
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EXTRA_POINTS = 95
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RES_START = 10
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RES_END = 100
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RES_DELTA = 10
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ORDER_START = 5
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ORDER_END = 8
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dest_verts, output_filename = sys.argv[1:]
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dest_verts = pickle.load(open(dest_verts, 'r'))
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output_file = open(output_filename, 'w')
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count = len(dest_verts) * len(xrange(RES_START,RES_END + 1, RES_DELTA)) * len(xrange(ORDER_START, ORDER_END + 1))
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widgets = ['submit jobs: ', Percentage(), ' ', Bar(), ' ', ETA()]
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results = {}
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pbar = ProgressBar(widgets = widgets, maxval = count)
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pbar.start()
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for r in xrange(2,8):
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resolution = float("1e%d" % r)
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i=0
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for resolution in xrange(RES_START,RES_END + 1, RES_DELTA):
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r = rect_grid(resolution, resolution)
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v = np.random.random((resolution,3))
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q = [baker_exact_3D(x) for x in v]
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g = dgrid(v,q)
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for v in xrange(len(r.verts)):
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r.q[v] = baker_exact_2D(r.verts[v])
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output_file.write("%f" % (1.0 / resolution))
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pbar = ProgressBar(widgets = widgets, maxval = attempts)
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pbar.start()
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start = time.time()
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for order in xrange(ORDER_START, ORDER_END + 1):
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errors = []
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i = 0
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outside = 0
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while i < attempts:
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try:
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X = np.random.random((1,3))[0]
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e = g.run_baker(X)['final'] - baker_exact_3D(X)
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errors.append(e)
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pbar.update(i+1)
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i += 1
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except Exception as e:
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# print X, i, resolution
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outside += 1
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pbar.finish()
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print "\n"
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start = time.time()
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for X in dest_verts:
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a = r.run_baker(X, order, EXTRA_POINTS)
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cur_exact = baker_exact_2D(X)
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e = a['final'] - cur_exact
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errors.append(e)
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i+=1
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pbar.update(i)
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end = time.time()
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rmserror = rms(errors)
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results[resolution] = rmserror
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print resolution, rmserror, outside, end - start
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output_file.write(" %e" % rmserror)
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output_file.write("\n")
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output_file.flush()
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pbar.finish()
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