57 lines
1.3 KiB
Python
57 lines
1.3 KiB
Python
from interp.grid.delaunay import dgrid as basegrid
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from interp.tools import baker_exact_2D as exact_func
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from itertools import product
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import numpy as np
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class rect_grid(basegrid):
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def __init__(self, xres = 5, yres = 5):
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xmin = 0.0
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xmax = 1.0
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xspan = xmax - xmin
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xdel = xspan / float(xres - 1)
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ymin = 0.0
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ymay = 1.0
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yspan = ymay - ymin
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ydel = yspan / float(yres - 1)
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verts = []
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q = np.zeros( xres * yres )
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for x in xrange(xres):
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cur_x = xmin + (x * xdel)
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for y in xrange(yres):
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cur_y = ymin + (y * ydel)
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verts.append([cur_x, cur_y])
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basegrid.__init__(self, verts, q)
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class random_grid(rect_grid):
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def __init__(self, num_verts = 10):
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appx_side_res = int(np.sqrt(num_verts))
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delta = 1.0 / float(appx_side_res)
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# load up corners:
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verts = [i for i in product((0,1), repeat = 2)]
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for x in xrange(1,appx_side_res):
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cur_x = x * delta
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for cur_y in (0, 1):
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new_point = [cur_x, cur_y]
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verts.append(new_point)
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for y in xrange(1,appx_side_res):
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cur_y = y * delta
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for cur_x in (0, 1):
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new_point = [cur_x, cur_y]
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verts.append(new_point)
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verts.extend(np.random.random((num_verts - 4*appx_side_res, 2)))
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q = np.zeros(len(verts))
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basegrid.__init__(self, np.array(verts), q)
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