1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
# Take in the shapefile given and convert to .geo file.
##########################################################################
#
# Generation of boundary representation from arbitrary geophysical
# fields and initialisation for anisotropic, unstructured meshing.
#
# Copyright (C) 2011-2013 Dr Adam S. Candy, adam.candy@imperial.ac.uk
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##########################################################################
##########################################################################
#
# Generation of boundary representation from arbitrary geophysical
# fields and initialisation for anisotropic, unstructured meshing.
#
# Copyright (C) 2011-2013 Dr Adam S. Candy, adam.candy@imperial.ac.uk
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##########################################################################
import shapefile
import matplotlib.pyplot as pyplot
# Read .shp file.
r = shapefile.Reader("large-area")
# Take in the shape info of the objects.
shapes = r.shapes()
print shapes[0].points
for j in range(len(shapes[0].parts)-1):
x = []; y = []
for i in range(shapes[0].parts[j], shapes[0].parts[j + 1]):
x.append(shapes[0].points[i][0]); y.append(shapes[0].points[i][1])
pyplot.plot(x, y)
x = []; y = []
for i in range(shapes[0].parts[0], shapes[0].parts[1]):
x.append(shapes[0].points[i][0]); y.append(shapes[0].points[i][1])
pyplot.plot(x, y)
pyplot.show()
"""
# Arbitrarily pick the 4th entry.
#Write the .geo file from the data read.
target = open("python.geo", "w") # Creates python.geo file to write to.
for i in range(len(shapes[3].points)):
target.write('Point(%d) = {%.3f, %.3f, 0, %.3f};\n' %(i + 1, shapes[3].points[i][0], shapes[3].points[i][1], 1.0))
target.close()
"""
|