smbinterp/bin/grid_regular.py

59 lines
1.4 KiB
Python

#!/usr/bin/env python
import sys
import pickle
import pdb
from interp.grid.DD import rect_grid, random_grid
from interp.baker import run_baker
from interp.tools import baker_exact_2D as exact_func
qfile = '/tmp/grid_regular.txt'
if __name__ == '__main__':
try:
rx = int(sys.argv[1])
ry = int(sys.argv[2])
except (IndexError, ValueError) as e:
print "problem with argv: %s" % e
rx = 4
ry = 4 * rx
source_mesh = rect_grid(rx, ry)
# print source_mesh
X = [0.5, 0.5]
try:
print "trying to get simplex and nearest points using nearest points (kdtree)"
(R, S) = source_mesh.get_simplex_and_nearest_points(X, extra_points=4)
print "R for nearest-neighbor:\n", R
print "S for nearest-neighbor:\n", S
print "trying to run baker"
print run_baker(X, R, S)
except Exception as e:
print "caught error: %s" % e
print "trying to get simplex and nearest points using connectivity scheme"
(R, S) = source_mesh.get_points_conn(X)
print "R for connectivity:\n", R
print "S for connectivity:\n", S
print run_baker(X, R, S)
print "repeating the above just using the grid object:"
r = source_mesh.run_baker(X)
exact = exact_func(X)
print r
print 'exact', exact
print 'qlin' , r['qlin']
print 'error', r['error']
print 'final', r['final']
if abs(r['final'] - exact) <= abs(r['qlin'] - exact):
print "win"
else:
print "failure"
open(qfile, 'w').write(source_mesh.for_qhull())