smbinterp/interp/grid/DDD.py

70 lines
1.5 KiB
Python

from interp.grid.delaunay import grid as basegrid
from interp.tools import exact_func_3D, log
import numpy as np
class grid(basegrid):
def __init__(self, verts, q):
basegrid.__init__(self, verts, q)
class rect_grid(grid):
def __init__(self, xres = 5, yres = 5, zres = 5):
xmin = -1.0
xmax = 1.0
xspan = xmax - xmin
xdel = xspan / float(xres - 1)
ymin = -1.0
ymay = 1.0
yspan = ymay - ymin
ydel = yspan / float(yres - 1)
zmin = -1.0
zmaz = 1.0
zspan = zmaz - zmin
zdel = zspan / float(zres - 1)
verts = []
q = []
for x in xrange(xres):
cur_x = xmin + (x * xdel)
for y in xrange(yres):
cur_y = ymin + (y * ydel)
for z in xrange(zres):
cur_z = zmin + (z * zdel)
verts.append([cur_x, cur_y, cur_z])
q.append(exact_func_3D((cur_x, cur_y, cur_z)))
grid.__init__(self, verts, q)
# self.construct_connectivity()
class random_grid(rect_grid):
def __init__(self, num_verts = 10):
verts = []
q = []
r = np.random
appx_side_res = int(np.power(num_verts, 1/3.0))
log.debug("appx_side_res: %d" % appx_side_res)
delta = 1.0 / float(appx_side_res)
for x in xrange(appx_side_res + 1):
pass
for i in xrange(num_verts):
cur_x = r.rand()
cur_y = r.rand()
cur_z = r.rand()
verts.append([cur_x, cur_y, cur_z])
q.append(exact_func_3D((cur_x, cur_y, cur_z)))
grid.__init__(self, verts, q)
self.verts = np.array(self.verts)
self.q = np.array(self.q)