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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
#!/usr/bin/env python3
############################################################################
#
# MODULE: t.select
# AUTHOR(S): Thomas Leppelt, Soeren Gebbert
#
# PURPOSE: Select maps from space time datasets by topological relationships to
# other space time datasets using temporal algebra.
# COPYRIGHT: (C) 2011-2017 by the GRASS Development Team
#
# 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 2 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.
#
#############################################################################
# %module
# % description: Select maps from space time datasets by topological relationships to other space time datasets using temporal algebra.
# % keyword: temporal
# % keyword: metadata
# % keyword: time
# %end
# %option G_OPT_STDS_TYPE
# % guidependency: input
# % guisection: Required
# %end
# %option
# % key: expression
# % type: string
# % description: The temporal mapcalc expression
# % key_desc: expression
# % required : yes
# %end
# %flag
# % key: s
# % description: Check the spatial topology of temporally related maps and select only spatially related maps
# %end
# %flag
# % key: d
# % description: Perform a dry run, compute all dependencies and module calls but don't run them
# %end
import grass.script as grass
import sys
############################################################################
def main():
# lazy imports
import grass.temporal as tgis
expression = options["expression"]
spatial = flags["s"]
dry_run = flags["d"]
stdstype = options["type"]
# Check for PLY istallation
try:
# Intentionally unused imports
import ply.lex as lex # noqa: F401
import ply.yacc as yacc # noqa: F401
except ImportError:
grass.fatal(
_(
"Please install PLY (Lex and Yacc Python implementation) to use the "
"temporal algebra modules."
)
)
tgis.init(True)
p = tgis.TemporalAlgebraParser(
run=True, debug=False, spatial=spatial, dry_run=dry_run
)
pc = p.parse(expression, stdstype, overwrite=grass.overwrite())
if dry_run is True:
import pprint
pprint.pprint(pc)
if __name__ == "__main__":
options, flags = grass.parser()
sys.exit(main())
|
