def disk_grid_regular_test():
#*****************************************************************************80
#
#% DISK_GRID_REGULAR_TEST tests DISK_GRID_REGULAR.
#
# Licensing:
#
# This code is distributed under the GNU LGPL license.
#
# Modified:
#
# 07 April 2015
#
# Author:
#
# John Burkardt
#
import numpy as np
from disk_grid_regular_count import disk_grid_regular_count
from disk_grid_display import disk_grid_display
#
# Plot the grid, and save the plot in a file.
#
n = 50 # Do 50 subdivisions
r = 1300. # Our radius
c = np.array([0.0, 0.0])
ng = disk_grid_regular_count(
n, r,
c) # Figures out the total number of points given the subdivisions (n)
cg = disk_grid_regular(
n, r, c,
ng) # returns the points for the given number of subdivisions (n)
print cg.shape[1]
filename = 'disk_grid_regular.png'
disk_grid_display(n, r, c, ng, cg, filename)
return
def disk_grid_fibonacci_test ( ): #*****************************************************************************80 # #% DISK_GRID_FIBONACCI_TEST tests DISK_GRID_FIBONACCI. # # Licensing: # # This code is distributed under the GNU LGPL license. # # Modified: # # 07 April 2015 # # Author: # # John Burkardt # import numpy as np from disk_grid_regular_count import disk_grid_regular_count from disk_grid_display import disk_grid_display from r82vec_print_part import r82vec_print_part from r8mat_transpose_write import r8mat_transpose_write print '' print 'DISK_GRID_FIBONACCI_TEST:' print ' DISK_GRID_FIBONACCI can define a grid of N points' print '' n = 1000 r = 2.0 c = np.array ( [ 1.0, 5.0 ] ) print '' print ' We use N = %d' % ( n ) print ' Radius R = %g' % ( r ) print ' Center C = (%g,%g)' % ( c[0], c[1] ) ng = n cg = disk_grid_fibonacci ( n, r, c ); r82vec_print_part ( n, cg, 20, ' Part of the grid point array:' ); # # Write grid points to a file. # filename = 'disk_grid_fibonacci.xy' r8mat_transpose_write ( filename, 2, ng, cg ) print '' print ' Data written to the file "%s".' % ( filename ) # # Plot the grid, and save the plot in a file. # filename = 'disk_grid_fibonacci.png' disk_grid_display ( n, r, c, ng, cg, filename ) # # Terminate. # print '' print 'DISK_GRID_FIBONACCI_TEST:' print ' Normal end of execution.' return
def disk_grid_regular_test():
#*****************************************************************************80
#
#% DISK_GRID_REGULAR_TEST tests DISK_GRID_REGULAR.
#
# Licensing:
#
# This code is distributed under the GNU LGPL license.
#
# Modified:
#
# 07 April 2015
#
# Author:
#
# John Burkardt
#
import numpy as np
from disk_grid_regular_count import disk_grid_regular_count
from disk_grid_display import disk_grid_display
from r82vec_print_part import r82vec_print_part
from r8mat_transpose_write import r8mat_transpose_write
print ''
print 'DISK_GRID_REGULAR_TEST:'
print ' DISK_GRID_REGULAR can define a grid of points'
print ' with N+1 points on a horizontal or vertical radius,'
print ' based on any disk.'
n = 20
r = 2.0
c = np.array([1.0, 5.0])
print ''
print ' We use N = %d' % (n)
print ' Radius R = %g' % (r)
print ' Center C = (%g,%g)' % (c[0], c[1])
ng = disk_grid_regular_count(n, r, c)
print ''
print ' Number of grid points will be %d' % (ng)
cg = disk_grid_regular(n, r, c, ng)
r82vec_print_part(ng, cg, 20, ' Part of the grid point array:')
#
# Write grid points to a file.
#
filename = 'disk_grid_regular.xy'
r8mat_transpose_write(filename, 2, ng, cg)
print ''
print ' Data written to the file "%s".' % (filename)
#
# Plot the grid, and save the plot in a file.
#
filename = 'disk_grid_regular.png'
disk_grid_display(n, r, c, ng, cg, filename)
#
# Terminate.
#
print ''
print 'DISK_GRID_REGULAR_TEST:'
print ' Normal end of execution.'
return
def disk_grid_regular_test ( ): #*****************************************************************************80 # #% DISK_GRID_REGULAR_TEST tests DISK_GRID_REGULAR. # # Licensing: # # This code is distributed under the GNU LGPL license. # # Modified: # # 07 April 2015 # # Author: # # John Burkardt # import numpy as np from disk_grid_regular_count import disk_grid_regular_count from disk_grid_display import disk_grid_display from r82vec_print_part import r82vec_print_part from r8mat_transpose_write import r8mat_transpose_write print '' print 'DISK_GRID_REGULAR_TEST:' print ' DISK_GRID_REGULAR can define a grid of points' print ' with N+1 points on a horizontal or vertical radius,' print ' based on any disk.' n = 20 r = 2.0 c = np.array ( [ 1.0, 5.0 ] ) print '' print ' We use N = %d' % ( n ) print ' Radius R = %g' % ( r ) print ' Center C = (%g,%g)' % ( c[0], c[1] ) ng = disk_grid_regular_count ( n, r, c ) print '' print ' Number of grid points will be %d' % ( ng ) cg = disk_grid_regular ( n, r, c, ng ) r82vec_print_part ( ng, cg, 20, ' Part of the grid point array:' ) # # Write grid points to a file. # filename = 'disk_grid_regular.xy' r8mat_transpose_write ( filename, 2, ng, cg ) print '' print ' Data written to the file "%s".' % ( filename ) # # Plot the grid, and save the plot in a file. # filename = 'disk_grid_regular.png' disk_grid_display ( n, r, c, ng, cg, filename ) # # Terminate. # print '' print 'DISK_GRID_REGULAR_TEST:' print ' Normal end of execution.' return
