def _parseVDbConn(self, mapp, layerInp):
'''find attribute key according to layer of input map'''
vdb = Module('v.db.connect', map=mapp, flags='g', stdout_=PIPE)
vdb = vdb.outputs.stdout
for line in vdb.splitlines():
lsplit = line.split('|')
layer = lsplit[0].split('/')[0]
if str(layer) == str(layerInp):
return lsplit[2]
return None
def __init__(self, cmd, *args, **kargs):
for banned in ['stdout_', 'stderr_', 'finish_', 'run_']:
if banned in kargs:
raise ValueError('Do not set %s parameter'
', it would be overriden' % banned)
kargs['stdout_'] = subprocess.PIPE
kargs['stderr_'] = subprocess.PIPE
kargs['finish_'] = True
kargs['run_'] = False
Module.__init__(self, cmd, *args, **kargs)
def main(argv):
print 'computing '
step=float(argv[0])
elevin=argv[1]
start_day=int(argv[2])
stop_day=int(argv[3])
parent_dir = os.path.dirname(os.path.dirname(os.getcwd()))
out_folder=os.path.join(parent_dir,"raw_data","rn")
#compute irradiance for each day
for day in range(start_day,stop_day):
rsun = Module("r.sun", elevation=elevin,step=step,glob_rad='rad.global.'+str(day),overwrite=True,run_=False, day=day)
rsun.run()
#r.out.gdal geotiff does not include datum; use AAIGrid format for output raster
rout = Module("r.out.gdal",overwrite=True,f=True,input='rad.global.'+str(day),output=os.path.join(out_folder,'rn'+str(day)),format="AAIGrid")
gremove = Module("g.remove",f=True,type='raster',name='rad.global.'+str(day))
def copy_groups(groups, gisrc_src, gisrc_dst, region=None):
"""Copy group from one mapset to another, crop the raster to the region
:param groups: a list of strings with the group that must be copied
from a master to another.
:type groups: list of strings
:param gisrc_src: path of the GISRC file from where we want to copy the groups
:type gisrc_src: str
:param gisrc_dst: path of the GISRC file where the groups will be created
:type gisrc_dst: str
:param region: a region like object or a dictionary with the region
parameters that will be used to crop the rasters of the
groups
:type region: Region object or dictionary
:returns: None
"""
env = os.environ.copy()
# instantiate modules
get_grp = Module('i.group', flags='lg', stdout_=sub.PIPE, run_=False)
set_grp = Module('i.group')
get_grp.run_ = True
rmloc = lambda r: r.split('@')[0] if '@' in r else r
src = read_gisrc(gisrc_src)
dst = read_gisrc(gisrc_dst)
rm = True if src[2] != dst[2] else False
all_rasts = [r[0]
for r in findmaps('rast', location=dst[1], gisdbase=dst[2])]
for grp in groups:
# change gisdbase to src
env['GISRC'] = gisrc_src
get_grp(group=grp, env_=env)
rasts = [r for r in get_grp.outputs.stdout.split()]
# change gisdbase to dst
env['GISRC'] = gisrc_dst
rast2cp = [r for r in rasts if rmloc(r) not in all_rasts]
if rast2cp:
copy_rasters(rast2cp, gisrc_src, gisrc_dst, region=region)
set_grp(group=grp,
input=[rmloc(r) for r in rasts] if rast2cp or rm else rasts,
env_=env)
def __init__(self, cmd, width=None, height=None, overlap=0, processes=None,
split=False, debug=False, region=None, move=None, log=False,
start_row=0, start_col=0, out_prefix='', mapset_prefix=None,
*args, **kargs):
kargs['run_'] = False
self.mset = Mapset()
self.module = Module(cmd, *args, **kargs)
self.width = width
self.height = height
self.overlap = overlap
self.processes = processes
self.region = region if region else Region()
self.start_row = start_row
self.start_col = start_col
self.out_prefix = out_prefix
self.log = log
self.move = move
self.gisrc_src = os.environ['GISRC']
self.n_mset, self.gisrc_dst = None, None
if self.move:
self.n_mset = copy_mapset(self.mset, self.move)
self.gisrc_dst = write_gisrc(self.n_mset.gisdbase,
self.n_mset.location,
self.n_mset.name)
rasters = [r for r in select(self.module.inputs, 'raster')]
if rasters:
copy_rasters(rasters, self.gisrc_src, self.gisrc_dst,
region=self.region)
vectors = [v for v in select(self.module.inputs, 'vector')]
if vectors:
copy_vectors(vectors, self.gisrc_src, self.gisrc_dst)
groups = [g for g in select(self.module.inputs, 'group')]
if groups:
copy_groups(groups, self.gisrc_src, self.gisrc_dst,
region=self.region)
self.bboxes = split_region_tiles(region=region,
width=width, height=height,
overlap=overlap)
if mapset_prefix:
self.msetstr = mapset_prefix + "_%03d_%03d"
else:
self.msetstr = cmd.replace('.', '') + "_%03d_%03d"
self.inlist = None
if split:
self.split()
self.debug = debug
def main(options, flags):
Module("v.overlay",
overwrite=True,
ainput=options["region"],
alayer="1",
atype="auto",
binput=options["clouds"],
blayer="1",
btype="area",
operator="not",
output="region_mask",
olayer="1,0,0",
snap=1e-8)
Module("g.region",
overwrite=True,
vector="region_mask",
align=options["red"])
Module("r.mask",
overwrite=True,
maskcats="*",
vector="region_mask",
layer="1")
Module("i.vi",
overwrite=True,
red=options["red"],
output="ndvi",
viname="ndvi",
nir=options["nir"],
storage_bit=8)
Module("r.recode",
overwrite=True,
input="ndvi",
output="ndvi_class",
rules="-",
stdin_="-1:0.1:1\n0.1:0.5:2\n0.5:1:3")
Module("r.colors",
map="ndvi_class",
rules="-",
stdin_="1 grey\n2 255 255 0\n3 green")
Module("r.to.vect",
flags='sv',
overwrite=True,
input="ndvi_class",
output="ndvi_class",
type="area",
column="value")
Module("v.clean",
overwrite=True,
input="ndvi_class",
layer="-1",
type=[
"point", "line", "boundary", "centroid", "area", "face",
"kernel"
],
output=options["output"],
tool="rmarea",
threshold=options["threshold"])
ret = Module('r.univar', flags='g', map='ndvi', stdout_=PIPE)
stats = parse_key_val(ret.outputs.stdout)
print('-' * 80)
print('NDVI value statistics')
print('-' * 80)
print('NDVI min value: {0:.4f}'.format(float(stats['min'])))
print('NDVI max value: {0:.4f}'.format(float(stats['max'])))
print('NDVI mean value: {0:.4f}'.format(float(stats['mean'])))
print('-' * 80)
print('NDVI class statistics')
print('-' * 80)
ret = Module('v.report',
map=options['output'],
option='area',
stdout_=PIPE)
for line in ret.outputs.stdout.splitlines(
)[1:]: # skip first line (cat|label|area)
# parse line (eg. 1||2712850)
data = line.split('|')
cat = data[0]
area = float(data[-1])
print('NDVI class {0}: {1:.1f} ha'.format(cat, area / 1e4))
# v.to.rast: use -c flag for updating statistics if exists
Module('v.rast.stats',
flags='c',
map=options['output'],
raster='ndvi',
column_prefix='ndvi',
method=['minimum', 'maximum', 'average'])
# v.db.select: don't print column names (-c)
ret = Module('v.db.select',
flags='c',
map=options['output'],
separator='comma',
stdout_=PIPE)
for line in ret.outputs.stdout.splitlines():
# parse line (eg. 1,,-0.433962264150943,0.740350877192983,0.051388909449992)
cat, label, min, max, mean = line.split(',')
print('NDVI class {0}: {1:.4f} (min) {2:.4f} (max) {3:.4f} (mean)'.
format(cat, float(min), float(max), float(mean)))
return 0
def main(opt, flg):
# import functions which depend on sklearn only after parser run
from ml_functions import (
balance,
explorer_clsfiers,
run_classifier,
optimize_training,
explore_SVC,
plot_grid,
)
from features import importances, tocsv
msgr = get_msgr()
indexes = None
vect = opt["vector"]
vtraining = opt["vtraining"] if opt["vtraining"] else None
scaler, decmp = None, None
vlayer = opt["vlayer"] if opt["vlayer"] else vect + "_stats"
tlayer = opt["tlayer"] if opt["tlayer"] else vect + "_training"
rlayer = opt["rlayer"] if opt["rlayer"] else vect + "_results"
labels = extract_classes(vtraining, 1)
pprint(labels)
if opt["scalar"]:
scapar = opt["scalar"].split(",")
from sklearn.preprocessing import StandardScaler
scaler = StandardScaler(with_mean="with_mean" in scapar,
with_std="with_std" in scapar)
if opt["decomposition"]:
dec, params = (opt["decomposition"].split("|") if "|"
in opt["decomposition"] else (opt["decomposition"], ""))
kwargs = ({k: v
for k, v in (p.split("=")
for p in params.split(","))} if params else {})
load_decompositions()
decmp = DECMP[dec](**kwargs)
# if training extract training
if vtraining and flg["e"]:
msgr.message("Extract training from: <%s> to <%s>." %
(vtraining, vect))
extract_training(vect, vtraining, tlayer)
flg["n"] = True
if flg["n"]:
msgr.message("Save arrays to npy files.")
save2npy(
vect,
vlayer,
tlayer,
fcats=opt["npy_cats"],
fcols=opt["npy_cols"],
fdata=opt["npy_data"],
findx=opt["npy_index"],
fclss=opt["npy_tclasses"],
ftdata=opt["npy_tdata"],
)
# define the classifiers to use/test
if opt["pyclassifiers"] and opt["pyvar"]:
# import classifiers to use
mycls = SourceFileLoader("mycls", opt["pyclassifiers"]).load_module()
classifiers = getattr(mycls, opt["pyvar"])
else:
from ml_classifiers import CLASSIFIERS
classifiers = CLASSIFIERS
# Append the SVC classifier
if opt["svc_c"] and opt["svc_gamma"]:
from sklearn.svm import SVC
svc = {
"name": "SVC",
"classifier": SVC,
"kwargs": {
"C": float(opt["svc_c"]),
"gamma": float(opt["svc_gamma"]),
"kernel": opt["svc_kernel"],
},
}
classifiers.append(svc)
# extract classifiers from pyindx
if opt["pyindx"]:
indexes = [i for i in get_indexes(opt["pyindx"])]
classifiers = [classifiers[i] for i in indexes]
num = int(opt["n_training"]) if opt["n_training"] else None
# load fron npy files
Xt = np.load(opt["npy_tdata"])
Yt = np.load(opt["npy_tclasses"])
cols = np.load(opt["npy_cols"])
# Define rules to substitute NaN, Inf, posInf, negInf values
rules = {}
for key in ("nan", "inf", "neginf", "posinf"):
if opt[key]:
rules[key] = get_rules(opt[key])
pprint(rules)
# Substitute (skip cat column)
Xt, rules_vals = substitute(Xt, rules, cols[1:])
Xtoriginal = Xt
# scale the data
if scaler:
msgr.message("Scaling the training data set.")
scaler.fit(Xt, Yt)
Xt = scaler.transform(Xt)
# decompose data
if decmp:
msgr.message("Decomposing the training data set.")
decmp.fit(Xt)
Xt = decmp.transform(Xt)
# Feature importances with forests of trees
if flg["f"]:
np.save("training_transformed.npy", Xt)
importances(
Xt,
Yt,
cols[1:],
csv=opt["imp_csv"],
img=opt["imp_fig"],
# default parameters to save the matplotlib figure
**dict(dpi=300, transparent=False, bbox_inches="tight"),
)
# optimize the training set
if flg["o"]:
ind_optimize = int(
opt["pyindx_optimize"]) if opt["pyindx_optimize"] else 0
cls = classifiers[ind_optimize]
msgr.message("Find the optimum training set.")
best, Xbt, Ybt = optimize_training(
cls,
Xt,
Yt,
labels, # {v: k for k, v in labels.items()},
scaler,
decmp,
num=num,
maxiterations=1000,
)
msg = " - save the optimum training data set to: %s."
msgr.message(msg % opt["npy_btdata"])
np.save(opt["npy_btdata"], Xbt)
msg = " - save the optimum training classes set to: %s."
msgr.message(msg % opt["npy_btclasses"])
np.save(opt["npy_btclasses"], Ybt)
# balance the data
if flg["b"]:
msg = "Balancing the training data set, each class have <%d> samples."
msgr.message(msg % num)
Xbt, Ybt = balance(Xt, Yt, num)
else:
if not flg["o"]:
Xbt = (np.load(opt["npy_btdata"])
if os.path.isfile(opt["npy_btdata"]) else Xt)
Ybt = (np.load(opt["npy_btclasses"])
if os.path.isfile(opt["npy_btclasses"]) else Yt)
# scale the data
if scaler:
msgr.message("Scaling the training data set.")
scaler.fit(Xbt, Ybt)
Xt = scaler.transform(Xt)
Xbt = scaler.transform(Xbt)
if flg["d"]:
C_range = [float(c) for c in opt["svc_c_range"].split(",") if c]
gamma_range = [
float(g) for g in opt["svc_gamma_range"].split(",") if g
]
kernel_range = [
str(s) for s in opt["svc_kernel_range"].split(",") if s
]
poly_range = [int(i) for i in opt["svc_poly_range"].split(",") if i]
allkwargs = dict(C=C_range,
gamma=gamma_range,
kernel=kernel_range,
degree=poly_range)
kwargs = {}
for k in allkwargs:
if allkwargs[k]:
kwargs[k] = allkwargs[k]
msgr.message("Exploring the SVC domain.")
grid = explore_SVC(Xbt,
Ybt,
n_folds=5,
n_jobs=int(opt["svc_n_jobs"]),
**kwargs)
import pickle
krnlstr = "_".join(s for s in opt["svc_kernel_range"].split(",") if s)
pkl = open("grid%s.pkl" % krnlstr, "w")
pickle.dump(grid, pkl)
pkl.close()
# pkl = open('grid.pkl', 'r')
# grid = pickle.load(pkl)
# pkl.close()
plot_grid(grid, save=opt["svc_img"])
# test the accuracy of different classifiers
if flg["t"]:
# test different classifiers
msgr.message("Exploring different classifiers.")
msgr.message("cls_id cls_name mean max min std")
res = explorer_clsfiers(
classifiers,
Xt,
Yt,
labels=labels,
indexes=indexes,
n_folds=5,
bv=flg["v"],
extra=flg["x"],
)
# TODO: sort(order=...) is working only in the terminal, why?
# res.sort(order='mean')
with open(opt["csv_test_cls"], "w") as csv:
csv.write(tocsv(res))
if flg["c"]:
# classify
data = np.load(opt["npy_data"])
indx = np.load(opt["npy_index"])
# Substitute using column values
data, dummy = substitute(data, rules, cols[1:])
Xt = data[indx]
if scaler:
msgr.message("Scaling the training data set.")
scaler.fit(Xt, Yt)
Xt = scaler.transform(Xt)
msgr.message("Scaling the whole data set.")
data = scaler.transform(data)
if decmp:
msgr.message("Decomposing the training data set.")
decmp.fit(Xt)
Xt = decmp.transform(Xt)
msgr.message("Decompose the whole data set.")
data = decmp.transform(data)
cats = np.load(opt["npy_cats"])
np.save("data_filled_scaled.npy", data)
tcols = []
for cls in classifiers:
report = (open(opt["report_class"], "w")
if opt["report_class"] else sys.stdout)
run_classifier(cls, Xt, Yt, Xt, Yt, labels, data, report=report)
tcols.append((cls["name"], "INTEGER"))
import pickle
with open("classification_results.pkl", "w") as res:
pickle.dump(classifiers, res)
# classifiers = pickle.load(res)
msgr.message("Export the results to layer: <%s>" % str(rlayer))
export_results(
vect,
classifiers,
cats,
rlayer,
vtraining,
tcols,
overwrite(),
pkl="res.pkl",
append=flg["a"],
)
# res.close()
if flg["r"]:
rules = ("\n".join([
"%d %s" % (k, v) for k, v in get_colors(vtraining).items()
]) if vtraining else None)
msgr.message("Export the layer with results to raster")
with Vector(vect, mode="r") as vct:
tab = vct.dblinks.by_name(rlayer).table()
rasters = [c for c in tab.columns]
rasters.remove(tab.key)
v2rst = Module("v.to.rast")
rclrs = Module("r.colors")
for rst in rasters:
v2rst(
input=vect,
layer=rlayer,
type="area",
use="attr",
attrcolumn=rst.encode(),
output=(opt["rst_names"] % rst).encode(),
memory=1000,
overwrite=overwrite(),
)
if rules:
rclrs(map=rst.encode(), rules="-", stdin_=rules)
#!/usr/bin/env python3
from grass.pygrass.modules import Module
psc = '41115'
Module('v.extract', input='obce', output='obce1',
where="psc = '{}'".format(psc))
Module('v.select', ainput='obce', binput='obce1',
output='obce_psc_{}'.format(psc),
operator='overlap', overwrite=True)
Module('g.remove', type='vector', name='obce1', flags='f')
# Look up B10 and B11 TIF-files in dir + subdirs and write path/filename to "files"
files = glob.glob(path + '/**/*B[1][0-1].TIF')
# Look up BQA TIF-files in dir + subdirs and write path/filename to "files_temp"
files_bqa = glob.glob(path + '/**/*BQA.TIF')
# Create list with B10 only (for lst creation)
#files_b10 = glob.glob(path + '/**/*B[1][0].TIF')
# Add "files_temp" to "files"
files.extend(files_bqa)
# Import AOI from file
Module("v.import",
overwrite = True,
input= path_aoi,
output="aoi")
# Set AOI as Region
Module("g.region",
overwrite = True,
vector="aoi@"+str(mapset)
# Import each file "LC08xxxxxxxxxxxx"
for i in files:
Module("r.import",
overwrite = True,
memory = 2000,
input = i,
output = i[-28:-4],
extent = "region")
class GridModule(object):
# TODO maybe also i.* could be supported easily
"""Run GRASS raster commands in a multiprocessing mode.
:param cmd: raster GRASS command, only command staring with r.* are valid.
:type cmd: str
:param width: width of the tile, in pixel
:type width: int
:param height: height of the tile, in pixel.
:type height: int
:param overlap: overlap between tiles, in pixel.
:type overlap: int
:param processes: number of threads, default value is equal to the number
of processor available.
:param split: if True use r.tile to split all the inputs.
:type split: bool
:param mapset_prefix: if specified created mapsets start with this prefix
:type mapset_prefix: str
:param run_: if False only instantiate the object
:type run_: bool
:param args: give all the parameters to the command
:param kargs: give all the parameters to the command
>>> grd = GridModule('r.slope.aspect',
... width=500, height=500, overlap=2,
... processes=None, split=False,
... elevation='elevation',
... slope='slope', aspect='aspect', overwrite=True)
>>> grd.run()
"""
def __init__(self,
cmd,
width=None,
height=None,
overlap=0,
processes=None,
split=False,
debug=False,
region=None,
move=None,
log=False,
start_row=0,
start_col=0,
out_prefix='',
mapset_prefix=None,
*args,
**kargs):
kargs['run_'] = False
self.mset = Mapset()
self.module = Module(cmd, *args, **kargs)
self.width = width
self.height = height
self.overlap = overlap
self.processes = processes
self.region = region if region else Region()
self.start_row = start_row
self.start_col = start_col
self.out_prefix = out_prefix
self.log = log
self.move = move
self.gisrc_src = os.environ['GISRC']
self.n_mset, self.gisrc_dst = None, None
if self.move:
self.n_mset = copy_mapset(self.mset, self.move)
self.gisrc_dst = write_gisrc(self.n_mset.gisdbase,
self.n_mset.location,
self.n_mset.name)
rasters = [r for r in select(self.module.inputs, 'raster')]
if rasters:
copy_rasters(rasters,
self.gisrc_src,
self.gisrc_dst,
region=self.region)
vectors = [v for v in select(self.module.inputs, 'vector')]
if vectors:
copy_vectors(vectors, self.gisrc_src, self.gisrc_dst)
groups = [g for g in select(self.module.inputs, 'group')]
if groups:
copy_groups(groups,
self.gisrc_src,
self.gisrc_dst,
region=self.region)
self.bboxes = split_region_tiles(region=region,
width=width,
height=height,
overlap=overlap)
if mapset_prefix:
self.msetstr = mapset_prefix + "_%03d_%03d"
else:
self.msetstr = cmd.replace('.', '') + "_%03d_%03d"
self.inlist = None
if split:
self.split()
self.debug = debug
def __del__(self):
if self.gisrc_dst:
# remove GISRC file
os.remove(self.gisrc_dst)
def clean_location(self, location=None):
"""Remove all created mapsets.
:param location: a Location instance where we are running the analysis
:type location: Location object
"""
if location is None:
if self.n_mset:
self.n_mset.current()
location = Location()
mapsets = location.mapsets(self.msetstr.split('_')[0] + '_*')
for mset in mapsets:
Mapset(mset).delete()
if self.n_mset and self.n_mset.is_current():
self.mset.current()
def split(self):
"""Split all the raster inputs using r.tile"""
rtile = Module('r.tile')
inlist = {}
for inm in select(self.module.inputs, 'raster'):
rtile(input=inm.value,
output=inm.value,
width=self.width,
height=self.height,
overlap=self.overlap)
patt = '%s-*' % inm.value
inlist[inm.value] = sorted(
self.mset.glist(type='raster', pattern=patt))
self.inlist = inlist
def get_works(self):
"""Return a list of tuble with the parameters for cmd_exe function"""
works = []
reg = Region()
if self.move:
mdst, ldst, gdst = read_gisrc(self.gisrc_dst)
else:
ldst, gdst = self.mset.location, self.mset.gisdbase
cmd = self.module.get_dict()
groups = [g for g in select(self.module.inputs, 'group')]
for row, box_row in enumerate(self.bboxes):
for col, box in enumerate(box_row):
inms = None
if self.inlist:
inms = {}
cols = len(box_row)
for key in self.inlist:
indx = row * cols + col
inms[key] = "%s@%s" % (self.inlist[key][indx],
self.mset.name)
# set the computational region, prepare the region parameters
bbox = dict([(k[0], str(v)) for k, v in box.items()[:-2]])
bbox['nsres'] = '%f' % reg.nsres
bbox['ewres'] = '%f' % reg.ewres
new_mset = self.msetstr % (self.start_row + row,
self.start_col + col),
works.append((bbox, inms, self.gisrc_src,
write_gisrc(gdst, ldst, new_mset), cmd, groups))
return works
def define_mapset_inputs(self):
"""Add the mapset information to the input maps
"""
for inmap in self.module.inputs:
inm = self.module.inputs[inmap]
if inm.type in ('raster', 'vector') and inm.value:
if '@' not in inm.value:
mset = get_mapset_raster(inm.value)
inm.value = inm.value + '@%s' % mset
def run(self, patch=True, clean=True):
"""Run the GRASS command
:param patch: set False if you does not want to patch the results
:type patch: bool
:param clean: set False if you does not want to remove all the stuff
created by GridModule
:type clean: bool
"""
self.module.flags.overwrite = True
self.define_mapset_inputs()
if self.debug:
for wrk in self.get_works():
cmd_exe(wrk)
else:
pool = mltp.Pool(processes=self.processes)
result = pool.map_async(cmd_exe, self.get_works())
result.wait()
pool.close()
pool.join()
if not result.successful():
raise RuntimeError(
_("Execution of subprocesses was not successful"))
if patch:
if self.move:
os.environ['GISRC'] = self.gisrc_dst
self.n_mset.current()
self.patch()
os.environ['GISRC'] = self.gisrc_src
self.mset.current()
# copy the outputs from dst => src
routputs = [
self.out_prefix + o
for o in select(self.module.outputs, 'raster')
]
copy_rasters(routputs, self.gisrc_dst, self.gisrc_src)
else:
self.patch()
if self.log:
# record in the temp directory
from grass.lib.gis import G_tempfile
tmp, dummy = os.path.split(G_tempfile())
tmpdir = os.path.join(tmp, self.module.name)
for k in self.module.outputs:
par = self.module.outputs[k]
if par.typedesc == 'raster' and par.value:
dirpath = os.path.join(tmpdir, par.name)
if not os.path.isdir(dirpath):
os.makedirs(dirpath)
fil = open(
os.path.join(dirpath, self.out_prefix + par.value),
'w+')
fil.close()
if clean:
self.clean_location()
self.rm_tiles()
if self.n_mset:
gisdbase, location = os.path.split(self.move)
self.clean_location(Location(location, gisdbase))
# rm temporary gis_rc
os.remove(self.gisrc_dst)
self.gisrc_dst = None
sht.rmtree(os.path.join(self.move, 'PERMANENT'))
sht.rmtree(os.path.join(self.move, self.mset.name))
def patch(self):
"""Patch the final results."""
bboxes = split_region_tiles(width=self.width, height=self.height)
loc = Location()
mset = loc[self.mset.name]
mset.visible.extend(loc.mapsets())
for otmap in self.module.outputs:
otm = self.module.outputs[otmap]
if otm.typedesc == 'raster' and otm.value:
rpatch_map(otm.value, self.mset.name, self.msetstr, bboxes,
self.module.flags.overwrite, self.start_row,
self.start_col, self.out_prefix)
def rm_tiles(self):
"""Remove all the tiles."""
# if split, remove tiles
if self.inlist:
grm = Module('g.remove')
for key in self.inlist:
grm(flags='f', type='raster', name=self.inlist[key])
def updateGrassMd(self, md):
'''
Update some parameters in r/v.support. This part need revision #TODO
'''
if self.type == "vector":
if len(md.contact) > 0:
_org = ''
for co in md.contact:
if co.organization != '':
_org += co.organization + ', '
if co.email != '':
_org += co.email + ', '
if co.role != '':
_org += co.role + '; '
Module('v.support', map=self.map, organization=_org, flags='r')
if md.identification.date is not None:
if len(md.identification.date) > 0:
for d in md.identification.date:
if d.type == 'creation':
_date = d.date
Module('v.support', map=self.map, date=_date, flags='r')
if md.identification.contact is not None:
if len(md.identification.contact) > 0:
_person = md.identification.contact.pop()
if _person is str:
Module('v.support',
map=self.map,
person=_person,
flags='r')
if md.identification.title is not (None or ''):
_name = md.identification.title
Module('v.support', map=self.map, map_name=_name, flags='r')
if len(md.identification.denominators) > 0:
_scale = md.identification.denominators.pop()
try:
_scale = int(_scale)
Module('v.support', map=self.map, scale=_scale, flags='r')
except:
pass
if md.identification.keywords is not None or len(
md.identification.keywords) > 0:
_comments = ''
for k in md.identification.keywords:
for kw in k["keywords"]:
if kw != '':
_comments += kw + ', '
if k["thesaurus"]["title"] != '':
_comments += k["thesaurus"]["title"] + ', '
if k["thesaurus"]["date"] != '':
_comments += k["thesaurus"]["date"] + ', '
if k['thesaurus']['datetype'] != '':
_comments += k['thesaurus']['datetype'] + ';'
Module('v.support', map=self.map, comment=_comments, flags='r')
#------------------------------------------------------------------------ RASTER
if self.type == "raster":
if md.identification.title is not (None or ''):
_title = md.identification.title
Module('r.support', map=self.map, title=_title, overwrite=True)
if md.dataquality.lineage is not (None or ''):
_history = md.dataquality.lineage
Module(
'r.support',
map=self.map, # append
history=_history)
_units = ''
if len(md.identification.distance) > 0:
_units += md.identification.distance.pop()
if len(md.identification.uom) > 0:
_units += md.identification.uom.pop()
if _units != '':
Module('r.support', map=self.map, units=_units, overwrite=True)
if md.identification.keywords is not None or len(
md.identification.keywords) > 0:
_comments = self.md_grass['description']
for k in md.identification.keywords:
for kw in k["keywords"]:
if kw != '':
_comments += kw + ', '
if k["thesaurus"]["title"] != '':
_comments += k["thesaurus"]["title"] + ', '
if k["thesaurus"]["date"] != '':
_comments += k["thesaurus"]["date"] + ', '
if k['thesaurus']['datetype'] != '':
_comments += k['thesaurus']['datetype'] + ';'
Module('r.support',
map=self.map,
description=_comments,
overwrite=True)
def cleanup():
try:
Module('g.remove', flags='f', type='raster', name=output)
except CalledModuleError:
pass
def main(opt, flg):
# import functions which depend on sklearn only after parser run
from ml_functions import (balance, explorer_clsfiers, run_classifier,
optimize_training, explore_SVC, plot_grid)
from features import importances, tocsv
msgr = get_msgr()
indexes = None
vect = opt['vector']
vtraining = opt['vtraining'] if opt['vtraining'] else None
scaler, decmp = None, None
vlayer = opt['vlayer'] if opt['vlayer'] else vect + '_stats'
tlayer = opt['tlayer'] if opt['tlayer'] else vect + '_training'
rlayer = opt['rlayer'] if opt['rlayer'] else vect + '_results'
labels = extract_classes(vtraining, 1)
pprint(labels)
if opt['scalar']:
scapar = opt['scalar'].split(',')
from sklearn.preprocessing import StandardScaler
scaler = StandardScaler(with_mean='with_mean' in scapar,
with_std='with_std' in scapar)
if opt['decomposition']:
dec, params = (opt['decomposition'].split('|') if '|'
in opt['decomposition'] else (opt['decomposition'], ''))
kwargs = ({k: v
for k, v in (p.split('=')
for p in params.split(','))} if params else {})
load_decompositions()
decmp = DECMP[dec](**kwargs)
# if training extract training
if vtraining and flg['e']:
msgr.message("Extract training from: <%s> to <%s>." %
(vtraining, vect))
extract_training(vect, vtraining, tlayer)
flg['n'] = True
if flg['n']:
msgr.message("Save arrays to npy files.")
save2npy(vect,
vlayer,
tlayer,
fcats=opt['npy_cats'],
fcols=opt['npy_cols'],
fdata=opt['npy_data'],
findx=opt['npy_index'],
fclss=opt['npy_tclasses'],
ftdata=opt['npy_tdata'])
# define the classifiers to use/test
if opt['pyclassifiers'] and opt['pyvar']:
# import classifiers to use
mycls = SourceFileLoader("mycls", opt['pyclassifiers']).load_module()
classifiers = getattr(mycls, opt['pyvar'])
else:
from ml_classifiers import CLASSIFIERS
classifiers = CLASSIFIERS
# Append the SVC classifier
if opt['svc_c'] and opt['svc_gamma']:
from sklearn.svm import SVC
svc = {
'name': 'SVC',
'classifier': SVC,
'kwargs': {
'C': float(opt['svc_c']),
'gamma': float(opt['svc_gamma']),
'kernel': opt['svc_kernel']
}
}
classifiers.append(svc)
# extract classifiers from pyindx
if opt['pyindx']:
indexes = [i for i in get_indexes(opt['pyindx'])]
classifiers = [classifiers[i] for i in indexes]
num = int(opt['n_training']) if opt['n_training'] else None
# load fron npy files
Xt = np.load(opt['npy_tdata'])
Yt = np.load(opt['npy_tclasses'])
cols = np.load(opt['npy_cols'])
# Define rules to substitute NaN, Inf, posInf, negInf values
rules = {}
for key in ('nan', 'inf', 'neginf', 'posinf'):
if opt[key]:
rules[key] = get_rules(opt[key])
pprint(rules)
# Substitute (skip cat column)
Xt, rules_vals = substitute(Xt, rules, cols[1:])
Xtoriginal = Xt
# scale the data
if scaler:
msgr.message("Scaling the training data set.")
scaler.fit(Xt, Yt)
Xt = scaler.transform(Xt)
# decompose data
if decmp:
msgr.message("Decomposing the training data set.")
decmp.fit(Xt)
Xt = decmp.transform(Xt)
# Feature importances with forests of trees
if flg['f']:
np.save('training_transformed.npy', Xt)
importances(
Xt,
Yt,
cols[1:],
csv=opt['imp_csv'],
img=opt['imp_fig'],
# default parameters to save the matplotlib figure
**dict(dpi=300, transparent=False, bbox_inches='tight'))
# optimize the training set
if flg['o']:
ind_optimize = (int(opt['pyindx_optimize'])
if opt['pyindx_optimize'] else 0)
cls = classifiers[ind_optimize]
msgr.message("Find the optimum training set.")
best, Xbt, Ybt = optimize_training(
cls,
Xt,
Yt,
labels, # {v: k for k, v in labels.items()},
scaler,
decmp,
num=num,
maxiterations=1000)
msg = " - save the optimum training data set to: %s."
msgr.message(msg % opt['npy_btdata'])
np.save(opt['npy_btdata'], Xbt)
msg = " - save the optimum training classes set to: %s."
msgr.message(msg % opt['npy_btclasses'])
np.save(opt['npy_btclasses'], Ybt)
# balance the data
if flg['b']:
msg = "Balancing the training data set, each class have <%d> samples."
msgr.message(msg % num)
Xbt, Ybt = balance(Xt, Yt, num)
else:
if not flg['o']:
Xbt = (np.load(opt['npy_btdata'])
if os.path.isfile(opt['npy_btdata']) else Xt)
Ybt = (np.load(opt['npy_btclasses'])
if os.path.isfile(opt['npy_btclasses']) else Yt)
# scale the data
if scaler:
msgr.message("Scaling the training data set.")
scaler.fit(Xbt, Ybt)
Xt = scaler.transform(Xt)
Xbt = scaler.transform(Xbt)
if flg['d']:
C_range = [float(c) for c in opt['svc_c_range'].split(',') if c]
gamma_range = [
float(g) for g in opt['svc_gamma_range'].split(',') if g
]
kernel_range = [
str(s) for s in opt['svc_kernel_range'].split(',') if s
]
poly_range = [int(i) for i in opt['svc_poly_range'].split(',') if i]
allkwargs = dict(C=C_range,
gamma=gamma_range,
kernel=kernel_range,
degree=poly_range)
kwargs = {}
for k in allkwargs:
if allkwargs[k]:
kwargs[k] = allkwargs[k]
msgr.message("Exploring the SVC domain.")
grid = explore_SVC(Xbt,
Ybt,
n_folds=5,
n_jobs=int(opt['svc_n_jobs']),
**kwargs)
import pickle
krnlstr = '_'.join(s for s in opt['svc_kernel_range'].split(',') if s)
pkl = open('grid%s.pkl' % krnlstr, 'w')
pickle.dump(grid, pkl)
pkl.close()
# pkl = open('grid.pkl', 'r')
# grid = pickle.load(pkl)
# pkl.close()
plot_grid(grid, save=opt['svc_img'])
# test the accuracy of different classifiers
if flg['t']:
# test different classifiers
msgr.message("Exploring different classifiers.")
msgr.message("cls_id cls_name mean max min std")
res = explorer_clsfiers(classifiers,
Xt,
Yt,
labels=labels,
indexes=indexes,
n_folds=5,
bv=flg['v'],
extra=flg['x'])
# TODO: sort(order=...) is working only in the terminal, why?
#res.sort(order='mean')
with open(opt['csv_test_cls'], 'w') as csv:
csv.write(tocsv(res))
if flg['c']:
# classify
data = np.load(opt['npy_data'])
indx = np.load(opt['npy_index'])
# Substitute using column values
data, dummy = substitute(data, rules, cols[1:])
Xt = data[indx]
if scaler:
msgr.message("Scaling the training data set.")
scaler.fit(Xt, Yt)
Xt = scaler.transform(Xt)
msgr.message("Scaling the whole data set.")
data = scaler.transform(data)
if decmp:
msgr.message("Decomposing the training data set.")
decmp.fit(Xt)
Xt = decmp.transform(Xt)
msgr.message("Decompose the whole data set.")
data = decmp.transform(data)
cats = np.load(opt['npy_cats'])
np.save('data_filled_scaled.npy', data)
tcols = []
for cls in classifiers:
report = (open(opt['report_class'], "w")
if opt['report_class'] else sys.stdout)
run_classifier(cls, Xt, Yt, Xt, Yt, labels, data, report=report)
tcols.append((cls['name'], 'INTEGER'))
import pickle
with open('classification_results.pkl', 'w') as res:
pickle.dump(classifiers, res)
#classifiers = pickle.load(res)
msgr.message("Export the results to layer: <%s>" % str(rlayer))
export_results(vect,
classifiers,
cats,
rlayer,
vtraining,
tcols,
overwrite(),
pkl='res.pkl',
append=flg['a'])
# res.close()
if flg['r']:
rules = ('\n'.join([
'%d %s' % (k, v) for k, v in get_colors(vtraining).items()
]) if vtraining else None)
msgr.message("Export the layer with results to raster")
with Vector(vect, mode='r') as vct:
tab = vct.dblinks.by_name(rlayer).table()
rasters = [c for c in tab.columns]
rasters.remove(tab.key)
v2rst = Module('v.to.rast')
rclrs = Module('r.colors')
for rst in rasters:
v2rst(input=vect,
layer=rlayer,
type='area',
use='attr',
attrcolumn=rst.encode(),
output=(opt['rst_names'] % rst).encode(),
memory=1000,
overwrite=overwrite())
if rules:
rclrs(map=rst.encode(), rules='-', stdin_=rules)
>>> provider.stop()
..
"""
self.check_server()
self.client_conn.send([
RPCDefs.GET_VECTOR_FEATURES_AS_WKB, name, mapset, extent,
feature_type, field
])
return self.safe_receive("get_vector_features_as_wkb_list")
if __name__ == "__main__":
import doctest
from grass.pygrass import utils
from grass.pygrass.modules import Module
Module("g.region", n=40, s=0, e=40, w=0, res=10)
Module("r.mapcalc",
expression="%s = row() + (10 * col())" % (test_raster_name),
overwrite=True)
utils.create_test_vector_map(test_vector_name)
doctest.testmod()
"""Remove the generated maps, if exist"""
mset = utils.get_mapset_raster(test_raster_name, mapset='')
if mset:
Module("g.remove", flags='f', type='raster', name=test_raster_name)
mset = utils.get_mapset_vector(test_vector_name, mapset='')
if mset:
Module("g.remove", flags='f', type='vector', name=test_vector_name)
def compute(b4, b8, cl, output, idx):
modules = []
if cl:
region_mask = "region_mask" + idx
modules.append(
Module("v.overlay",
overwrite=True,
ainput=options["region"],
binput=cl,
operator="not",
output=region_mask,
run_=False))
else:
region_mask = options["region"]
modules.append(
Module("g.region",
overwrite=True,
vector=region_mask,
align=b4,
run_=False))
modules.append(
Module("v.to.rast",
overwrite=True,
input=region_mask,
output='mask' + idx,
type='area',
use='val',
value='1',
run_=False))
modules.append(
Module(
"r.mapcalc",
overwrite=True,
expression=
"ndvi{idx} = if(isnull({clouds}), null(), float({b8} - {b4}) / ({b8} + {b4}))"
.format(idx=idx, clouds=cl, b8=b8, b4=b4),
run_=False))
recode_str = """-1:0.1:1
0.1:0.5:2
0.5:1:3"""
modules.append(
Module("r.recode",
overwrite=True,
input="ndvi" + idx,
output="ndvi_class" + idx,
rules="-",
stdin_=recode_str,
run_=False))
colors_str = """1 grey
2 255 255 0
3 green"""
modules.append(
Module("r.colors",
map="ndvi_class" + idx,
rules="-",
stdin_=colors_str,
run_=False))
modules.append(
Module("r.to.vect",
flags='sv',
overwrite=True,
input="ndvi_class" + idx,
output="ndvi_class" + idx,
type="area",
run_=False))
modules.append(
Module("v.clean",
overwrite=True,
input="ndvi_class" + idx,
output=output,
tool="rmarea",
threshold=options['threshold'],
run_=False))
modules.append(
Module('v.rast.stats',
flags='c',
map=output,
raster='ndvi' + idx,
column_prefix='ndvi',
method=['minimum', 'maximum', 'average'],
run_=False))
queue.put(MultiModule(modules, sync=False, set_temp_region=True))
def main():
# check if the map is in the current mapset
mapset = grass.find_file(opt['map'], element='vector')['mapset']
if not mapset or mapset != grass.gisenv()['MAPSET']:
grass.fatal(
_("Vector map <{}> not found in the current mapset").format(
opt['map']))
# get list of existing columns
try:
columns = grass.vector_columns(opt['map']).keys()
except CalledModuleError as e:
return 1
allowed_rasters = ('N2', 'N5', 'N10', 'N20', 'N50', 'N100')
# test input feature type
vinfo = grass.vector_info_topo(opt['map'])
if vinfo['areas'] < 1 and vinfo['points'] < 1:
grass.fatal(
_("No points or areas found in input vector map <{}>").format(
opt['map']))
# check area size limit
check_area_size = float(opt['area_size']) > 0
if check_area_size:
area_col_name = 'area_{}'.format(os.getpid())
Module('v.db.addcolumn',
map=opt['map'],
columns='{} double precision'.format(area_col_name))
Module('v.to.db',
map=opt['map'],
option='area',
units='kilometers',
columns=area_col_name,
quiet=True)
areas = Module('v.db.select',
flags='c',
map=opt['map'],
columns=area_col_name,
where='{} > {}'.format(area_col_name, opt['area_size']),
stdout_=grass.PIPE)
large_areas = len(areas.outputs.stdout.splitlines())
if large_areas > 0:
grass.warning(
'{} areas larger than size limit will be skipped from computation'
.format(large_areas))
# extract multi values to points
for rast in opt['return_period'].split(','):
# check valid rasters
name = grass.find_file(rast, element='cell')['name']
if not name:
grass.warning('Raster map <{}> not found. '
'Skipped.'.format(rast))
continue
if name not in allowed_rasters:
grass.warning('Raster map <{}> skipped. '
'Allowed: {}'.format(rast, allowed_rasters))
continue
# perform zonal statistics
grass.message('Processing <{}>...'.format(rast))
table = '{}_table'.format(name)
if vinfo['areas'] > 0:
Module('v.rast.stats',
flags='c',
map=opt['map'],
raster=rast,
column_prefix=name,
method='average',
quiet=True)
# handle NULL values (areas smaller than raster resolution)
null_values = Module('v.db.select',
map=opt['map'],
columns='cat',
flags='c',
where="{}_average is NULL".format(name),
stdout_=grass.PIPE)
cats = null_values.outputs.stdout.splitlines()
if len(cats) > 0:
grass.warning(
_("Input vector map <{}> contains very small areas (smaller than "
"raster resolution). These areas will be proceeded by querying "
"single raster cell.").format(opt['map']))
Module('v.what.rast',
map=opt['map'],
raster=rast,
type='centroid',
column='{}_average'.format(name),
where="{}_average is NULL".format(name),
quiet=True)
else: # -> points
Module('v.what.rast',
map=opt['map'],
raster=rast,
column='{}_average'.format(name),
quiet=True)
# add column to the attribute table if not exists
rl = float(opt['rainlength'])
field_name = 'H_{}T{}'.format(name, opt['rainlength'])
if field_name not in columns:
Module('v.db.addcolumn',
map=opt['map'],
columns='{} double precision'.format(field_name))
# determine coefficient for calculation
a, c = coeff(rast, rl)
if a is None or c is None:
grass.fatal("Unable to calculate coefficients")
# calculate output values, update attribute table
coef = a * rl**(1 - c)
expression = '{}_average * {}'.format(name, coef)
Module('v.db.update',
map=opt['map'],
column=field_name,
query_column=expression)
if check_area_size:
Module('v.db.update',
map=opt['map'],
column=field_name,
value='-1',
where='{} > {}'.format(area_col_name, opt['area_size']))
# remove unused column
Module('v.db.dropcolumn',
map=opt['map'],
columns='{}_average'.format(name))
if check_area_size:
# remove unused column
Module('v.db.dropcolumn', map=opt['map'], columns=area_col_name)
return 0
def get_zones(vector, zones, layer=1, overwrite=False):
v2rast = Module('v.to.rast', input=vector, layer=str(layer), type='area',
output=zones, overwrite=overwrite, use='cat')
rclr = Module("r.colors", map=zones, color="random")
def updateGrassMd(self, md):
"""
Update some parameters in r/v.support. This part need revision #TODO
"""
if self.type == "vector":
if len(md.contact) > 0:
_org = ""
for co in md.contact:
if co.organization != "":
_org += co.organization + ", "
if co.email != "":
_org += co.email + ", "
if co.role != "":
_org += co.role + "; "
Module("v.support", map=self.map, organization=_org, flags="r")
if md.identification.date is not None:
if len(md.identification.date) > 0:
for d in md.identification.date:
if d.type == "creation":
_date = d.date
Module("v.support", map=self.map, date=_date, flags="r")
if md.identification.contact is not None:
if len(md.identification.contact) > 0:
_person = md.identification.contact.pop()
if _person is str:
Module("v.support", map=self.map, person=_person, flags="r")
if md.identification.title is not (None or ""):
_name = md.identification.title
Module("v.support", map=self.map, map_name=_name, flags="r")
if len(md.identification.denominators) > 0:
_scale = md.identification.denominators.pop()
try:
_scale = int(_scale)
Module("v.support", map=self.map, scale=_scale, flags="r")
except:
pass
if (
md.identification.keywords is not None
or len(md.identification.keywords) > 0
):
_comments = ""
for k in md.identification.keywords:
for kw in k["keywords"]:
if kw != "":
_comments += kw + ", "
if k["thesaurus"]["title"] != "":
_comments += k["thesaurus"]["title"] + ", "
if k["thesaurus"]["date"] != "":
_comments += k["thesaurus"]["date"] + ", "
if k["thesaurus"]["datetype"] != "":
_comments += k["thesaurus"]["datetype"] + ";"
Module("v.support", map=self.map, comment=_comments, flags="r")
# ------------------------------------------------------------------------ RASTER
if self.type == "raster":
if md.identification.title is not (None or ""):
_title = md.identification.title
Module("r.support", map=self.map, title=_title, overwrite=True)
if md.dataquality.lineage is not (None or ""):
_history = md.dataquality.lineage
Module("r.support", map=self.map, history=_history) # append
_units = ""
if len(md.identification.distance) > 0:
_units += md.identification.distance.pop()
if len(md.identification.uom) > 0:
_units += md.identification.uom.pop()
if _units != "":
Module("r.support", map=self.map, units=_units, overwrite=True)
if (
md.identification.keywords is not None
or len(md.identification.keywords) > 0
):
_comments = self.md_grass["description"]
for k in md.identification.keywords:
for kw in k["keywords"]:
if kw != "":
_comments += kw + ", "
if k["thesaurus"]["title"] != "":
_comments += k["thesaurus"]["title"] + ", "
if k["thesaurus"]["date"] != "":
_comments += k["thesaurus"]["date"] + ", "
if k["thesaurus"]["datetype"] != "":
_comments += k["thesaurus"]["datetype"] + ";"
Module("r.support", map=self.map, description=_comments, overwrite=True)
def shp_to_raster(shp,
inSource,
cellsize,
nodata,
outRaster,
epsg=None,
rst_template=None,
api='gdal',
snap=None):
"""
Feature Class to Raster
cellsize will be ignored if rst_template is defined
* API's Available:
- gdal;
- arcpy;
- pygrass;
- grass;
"""
if api == 'gdal':
from osgeo import gdal, ogr
from gasp.prop.ff import drv_name
if not epsg:
from gasp.prop.feat import get_shp_sref
srs = get_shp_sref(shp).ExportToWkt()
else:
from gasp.prop.prj import epsg_to_wkt
srs = epsg_to_wkt(epsg)
# Get Extent
dtShp = ogr.GetDriverByName(drv_name(shp)).Open(shp, 0)
lyr = dtShp.GetLayer()
if not rst_template:
x_min, x_max, y_min, y_max = lyr.GetExtent()
x_res = int((x_max - x_min) / cellsize)
y_res = int((y_max - y_min) / cellsize)
else:
from gasp.fm.rst import rst_to_array
img_temp = gdal.Open(rst_template)
geo_transform = img_temp.GetGeoTransform()
y_res, x_res = rst_to_array(rst_template).shape
# Create output
dtRst = gdal.GetDriverByName(drv_name(outRaster)).Create(
outRaster, x_res, y_res, gdal.GDT_Byte)
if not rst_template:
dtRst.SetGeoTransform((x_min, cellsize, 0, y_max, 0, -cellsize))
else:
dtRst.SetGeoTransform(geo_transform)
dtRst.SetProjection(srs)
bnd = dtRst.GetRasterBand(1)
bnd.SetNoDataValue(nodata)
gdal.RasterizeLayer(dtRst, [1], lyr, burn_values=[1])
del lyr
dtShp.Destroy()
elif api == 'arcpy':
import arcpy
if rst_template:
tempEnvironment0 = arcpy.env.extent
arcpy.env.extent = template
if snap:
tempSnap = arcpy.env.snapRaster
arcpy.env.snapRaster = snap
obj_describe = arcpy.Describe(shp)
geom = obj_describe.ShapeType
if geom == u'Polygon':
arcpy.PolygonToRaster_conversion(shp, inField, outRaster,
"CELL_CENTER", "NONE", cellsize)
elif geom == u'Polyline':
arcpy.PolylineToRaster_conversion(shp, inField, outRaster,
"MAXIMUM_LENGTH", "NONE",
cellsize)
if rst_template:
arcpy.env.extent = tempEnvironment0
if snap:
arcpy.env.snapRaster = tempSnap
elif api == 'grass' or api == 'pygrass':
"""
Vectorial geometry to raster
If source is None, the convertion will be based on the cat field.
If source is a string, the convertion will be based on the field
with a name equal to the given string.
If source is a numeric value, all cells of the output raster will have
that same value.
"""
__USE = "cat" if not inSource else "attr" if type(inSource) == str or \
type(inSource) == unicode else "val" if type(inSource) == int or \
type(inSource) == float else None
if not __USE:
raise ValueError('\'source\' parameter value is not valid')
if api == 'pygrass':
from grass.pygrass.modules import Module
m = Module("v.to.rast",
input=shp,
output=outRaster,
use=__USE,
attribute_column=inSource if __USE == "attr" else None,
value=inSource if __USE == "val" else None,
overwrite=True,
run_=False,
quiet=True)
m()
else:
from gasp import exec_cmd
rcmd = exec_cmd((
"v.to.rast input={} output={} use={}{} "
"--overwrite --quiet"
).format(
shp, outRaster, __USE,
"" if __USE == "cat" else " attribute_column={}".format(inSource) \
if __USE == "attr" else " val={}".format(inSource)
))
else:
raise ValueError('API {} is not available'.format(api))
return outRaster
def saveXML(self,
path=None,
xml_out_name=None,
wxparent=None,
overwrite=False):
''' Save init. record of OWSLib objects to ISO XML file'''
# if output file name is None, use map name and add suffix
if xml_out_name is None:
xml_out_name = self.type + '_' + str(
self.map).partition('@')[0] # + self.schema_type
if not xml_out_name.lower().endswith('.xml'):
xml_out_name += '.xml'
if not path:
path = os.path.join(mdutil.pathToMapset(), 'metadata')
if not os.path.exists(path):
print(os.makedirs(path))
path = os.path.join(path, xml_out_name)
# generate xml using jinja profiles
env = Environment(loader=FileSystemLoader(self.dirpath))
env.globals.update(zip=zip)
profile = env.get_template(self.profilePath)
iso_xml = profile.render(md=self.md)
# write xml to flat file
if wxparent is not None:
if os.path.isfile(path):
if mdutil.yesNo(
wxparent,
'Metadata file exists. Do you want to overwrite metadata file: %s?'
% path, 'Overwrite dialog'):
try:
xml_file = open(path, "w")
xml_file.write(iso_xml)
xml_file.close()
Module('g.message',
message='metadata exported: \n\
%s' % (str(path)))
except IOError as e:
print("I/O error({0}): {1}".format(
e.errno, e.strerror))
grass.fatal('ERROR: cannot write xml to file')
return path
else:
try:
xml_file = open(path, "w")
xml_file.write(iso_xml)
xml_file.close()
Module('g.message',
message='metadata exported: \n\
%s' % (str(path)))
except IOError as e:
print("I/O error({0}): {1}".format(e.errno, e.strerror))
grass.fatal('ERROR: cannot write xml to file')
# sys.exit()
return path
else:
if os.path.isfile(path):
Module('g.message', message='Metadata file exists: %s' % path)
if overwrite:
try:
xml_file = open(path, "w")
xml_file.write(iso_xml)
xml_file.close()
Module('g.message',
message='Metadata file has been overwritten')
return path
except IOError as e:
print("I/O error({0}): {1}".format(
e.errno, e.strerror))
grass.fatal('error: cannot write xml to file')
else:
Module('g.message',
message='For overwriting use flag -overwrite')
return False
else:
try:
xml_file = open(path, "w")
xml_file.write(iso_xml)
xml_file.close()
Module('g.message',
message='Metadata file has been exported')
return path
except IOError as e:
print("I/O error({0}): {1}".format(e.errno, e.strerror))
grass.fatal('error: cannot write xml to file')
def cleanup():
"""Remove temporary maps specified in the global list"""
cleanrast = list(reversed(CLEAN_RAST))
for rast in cleanrast:
Module("g.remove", flags="f", type="all", name=rast, quiet=True)
def main(options, flags):
gisbase = os.getenv('GISBASE')
if not gisbase:
gs.fatal(_('$GISBASE not defined'))
return 0
# Variables
ref = options['reference']
REF = ref.split(',')
pro = options['projection']
if pro:
PRO = pro.split(',')
else:
PRO = REF
opn = [z.split('@')[0] for z in PRO]
out = options['output']
region = options['region']
flag_d = flags['d']
flag_e = flags['e']
flag_p = flags['p']
# get current region settings, to compare to new ones later
regbu1 = tmpname("region")
gs.parse_command("g.region", save=regbu1)
# Check if region, projected layers or mask is given
if region:
ffile = gs.find_file(region, element="region")
if not ffile:
gs.fatal(_("the region {} does not exist").format(region))
if not pro and not checkmask() and not region:
gs.fatal(
_("You need to provide projected layers, a region, or "
"a mask has to be set"))
if pro and len(REF) != len(PRO):
gs.fatal(
_("The number of reference and projection layers need to "
"be the same. Your provided %d reference and %d"
"projection variables") % (len(REF), len(PRO)))
# Text for history in metadata
opt2 = dict((k, v) for k, v in options.iteritems() if v)
hist = ' '.join("{!s}={!r}".format(k, v) for (k, v) in opt2.iteritems())
hist = "r.exdet {}".format(hist)
unused, tmphist = tempfile.mkstemp()
with open(tmphist, "w") as text_file:
text_file.write(hist)
# Create covariance table
VI = CoVar(maps=REF)
# Import reference data & compute univar stats per reference layer
s = len(REF)
dat_ref = stat_mean = stat_min = stat_max = None
layer = garray.array()
for i, map in enumerate(REF):
layer.read(map, null=np.nan)
r, c = layer.shape
if dat_ref is None:
dat_ref = np.empty((s, r, c), dtype=np.double)
if stat_mean is None:
stat_mean = np.empty((s), dtype=np.double)
if stat_min is None:
stat_min = np.empty((s), dtype=np.double)
if stat_max is None:
stat_max = np.empty((s), dtype=np.double)
stat_min[i] = np.nanmin(layer)
stat_mean[i] = np.nanmean(layer)
stat_max[i] = np.nanmax(layer)
dat_ref[i, :, :] = layer
del layer
# Compute mahalanobis over full set of reference layers
mahal_ref = mahal(v=dat_ref, m=stat_mean, VI=VI)
mahal_ref_max = max(mahal_ref[np.isfinite(mahal_ref)])
if flag_e:
mahalref = "{}_mahalref".format(out)
mahal_ref.write(mapname=mahalref)
gs.info(_("Mahalanobis distance map saved: {}").format(mahalref))
gs.run_command("r.support",
map=mahalref,
title="Mahalanobis distance map",
units="unitless",
description="Mahalanobis distance map in reference "
"domain",
loadhistory=tmphist)
del mahal_ref
# Remove mask and set new region based on user-defined region or
# otherwise based on projection layers
if checkmask():
gs.run_command("r.mask", flags="r")
if region:
gs.run_command("g.region", region=region)
gs.info(_("The region has set to the region {}").format(region))
if pro:
gs.run_command("g.region", raster=PRO[0])
# TODO: only set region to PRO[0] when different from current region
gs.info(_("The region has set to match the proj raster layers"))
# Import projected layers in numpy array
s = len(PRO)
dat_pro = None
layer = garray.array()
for i, map in enumerate(PRO):
layer.read(map, null=np.nan)
r, c = layer.shape
if dat_pro is None:
dat_pro = np.empty((s, r, c), dtype=np.double)
dat_pro[i, :, :] = layer
del layer
# Compute mahalanobis distance
mahal_pro = mahal(v=dat_pro, m=stat_mean, VI=VI)
if flag_d:
mahalpro = "{}_mahalpro".format(out)
mahal_pro.write(mapname=mahalpro)
gs.info(_("Mahalanobis distance map saved: {}").format(mahalpro))
gs.run_command("r.support",
map=mahalpro,
title="Mahalanobis distance map projection domain",
units="unitless",
loadhistory=tmphist,
description="Mahalanobis distance map in projection "
"domain estimated using covariance of refence data")
# Compute NT1
tmplay = tmpname(out)
mnames = [None] * len(REF)
for i in xrange(len(REF)):
tmpout = tmpname("exdet")
# TODO: computations below sometimes result in very small negative
# numbers, which are not 'real', but rather due to some differences
# in handling digits in grass and python, hence second mapcalc
# statement. Need to figure out how to handle this better.
gs.mapcalc(
"eval("
"tmp = min(($prolay - $refmin), ($refmax - $prolay),0) / "
"($refmax - $refmin))\n"
"$Dij = if(tmp > -0.000000001, 0, tmp)",
Dij=tmpout,
prolay=PRO[i],
refmin=stat_min[i],
refmax=stat_max[i],
quiet=True)
mnames[i] = tmpout
gs.run_command("r.series",
quiet=True,
input=mnames,
output=tmplay,
method="sum")
# Compute most influential covariate (MIC) metric for NT1
if flag_p:
tmpla1 = tmpname(out)
gs.run_command("r.series",
quiet=True,
output=tmpla1,
input=mnames,
method="min_raster")
# Compute NT2
tmpla2 = tmpname(out)
nt2map = garray.array()
nt2map[...] = mahal_pro / mahal_ref_max
nt2map.write(mapname=tmpla2)
# Compute most influential covariate (MIC) metric for NT2
if flag_p:
tmpla3 = tmpname(out)
laylist = []
layer = garray.array()
for i, map in enumerate(opn):
gs.use_temp_region()
gs.run_command("g.region", quiet=True, region=regbu1)
REFtmp = [x for num, x in enumerate(REF) if not num == i]
stattmp = np.delete(stat_mean, i, axis=0)
VItmp = CoVar(maps=REFtmp)
gs.del_temp_region()
dat_protmp = np.delete(dat_pro, i, axis=0)
ymap = mahal(v=dat_protmp, m=stattmp, VI=VItmp)
# in Mesgaran et al, the MIC2 is the max icp, but that is the
# same as the minimum mahalanobis distance (ymap)
# icp = (mahal_pro - ymap) / mahal_pro * 100
layer[:, :] = ymap
tmpmahal = tmpname(out)
layer.write(tmpmahal)
laylist.append(tmpmahal)
gs.run_command("r.series",
quiet=True,
output=tmpla3,
input=laylist,
method="min_raster",
overwrite=True)
# Compute nt1, nt2, and nt1and2 novelty maps
nt1 = "{}_NT1".format(out)
nt2 = "{}_NT2".format(out)
nt12 = "{}_NT1NT2".format(out)
expr = ";".join([
"$nt12 = if($tmplay < 0, $tmplay, $tmpla2)",
"$nt2 = if($tmplay >= 0, $tmpla2, null())",
"$nt1 = if($tmplay < 0, $tmplay, null())"
])
gs.mapcalc(expr,
nt12=nt12,
nt1=nt1,
nt2=nt2,
tmplay=tmplay,
tmpla2=tmpla2,
quiet=True)
# Write metadata nt1, nt2, nt1and2 maps
gs.run_command("r.support",
map=nt1,
units="unitless",
title="Type 1 similarity",
description="Type 1 similarity (NT1)",
loadhistory=tmphist)
gs.run_command("r.support",
map=nt2,
units="unitless",
title="Type 2 similarity",
description="Type 2 similarity (NT2)",
loadhistory=tmphist)
gs.run_command("r.support",
map=nt12,
units="unitless",
title="Type 1 + 2 novelty / similarity",
description="Type 1 + 2 similarity (NT1)",
loadhistory=tmphist)
# Compute MIC maps
if flag_p:
mic12 = "{}_MICNT1and2".format(out)
expr = "$mic12 = if($tmplay < 0, $tmpla1, " \
"if($tmpla2>1, $tmpla3, -1))"
gs.mapcalc(expr,
tmplay=tmplay,
tmpla1=tmpla1,
tmpla2=tmpla2,
tmpla3=tmpla3,
mic12=mic12,
quiet=True)
# Write category labels to MIC maps
tmpcat = tempfile.mkstemp()
with open(tmpcat[1], "w") as text_file:
text_file.write("-1:None\n")
for cats in xrange(len(opn)):
text_file.write("{}:{}\n".format(cats, opn[cats]))
gs.run_command("r.category",
quiet=True,
map=mic12,
rules=tmpcat[1],
separator=":")
os.remove(tmpcat[1])
CATV = Module('r.category', map=mic12, stdout_=PIPE).outputs.stdout
Module('r.category', map=mic12, rules="-", stdin_=CATV, quiet=True)
gs.run_command("r.support",
map=mic12,
units="unitless",
title="Most influential covariate",
description="Most influential covariate (MIC) for NT1"
"and NT2",
loadhistory=tmphist)
# Write color table
gs.write_command("r.colors",
map=nt12,
rules='-',
stdin=COLORS_EXDET,
quiet=True)
# Finalize
gs.info(_("Done...."))
def main(options, flags):
gisbase = os.getenv("GISBASE")
if not gisbase:
gs.fatal(_("$GISBASE not defined"))
return 0
# Reference / sample area or points
ref_rast = options["ref_rast"]
ref_vect = options["ref_vect"]
if ref_rast:
reftype = gs.raster_info(ref_rast)
if reftype["datatype"] != "CELL":
gs.fatal(_("The ref_rast map must have type CELL (integer)"))
if (reftype["min"] != 0 and reftype["min"] != 1) or reftype["max"] != 1:
gs.fatal(
_(
"The ref_rast map must be a binary raster,"
" i.e. it should contain only values 0 and 1 or 1 only"
" (now the minimum is {} and maximum is {})".format(
reftype["min"], reftype["max"]
)
)
)
# old environmental layers & variable names
reference_layer = options["env"]
reference_layer = reference_layer.split(",")
raster_exists(reference_layer)
variable_name = [z.split("@")[0] for z in reference_layer]
variable_name = [x.lower() for x in variable_name]
# new environmental variables
projection_layers = options["env_proj"]
if not projection_layers:
to_be_projected = False
projection_layers = reference_layer
else:
to_be_projected = True
projection_layers = projection_layers.split(",")
raster_exists(projection_layers)
if (
len(projection_layers) != len(reference_layer)
and len(projection_layers) != 0
):
gs.fatal(
_(
"The number of reference and predictor variables"
" should be the same. You provided {} reference and {}"
" projection variables".format(
len(reference_layer), len(projection_layers)
)
)
)
# output layers
opl = options["output"]
opc = opl + "_MES"
ipi = [opl + "_" + i for i in variable_name]
# flags
flm = flags["m"]
flk = flags["k"]
fln = flags["n"]
fli = flags["i"]
flc = flags["c"]
# digits / precision
digits = int(options["digits"])
digits2 = pow(10, digits)
# get current region settings, to compare to new ones later
region_1 = gs.parse_command("g.region", flags="g")
# Text for history in metadata
opt2 = dict((k, v) for k, v in options.items() if v)
hist = " ".join("{!s}={!r}".format(k, v) for (k, v) in opt2.items())
hist = "r.mess {}".format(hist)
unused, tmphist = tempfile.mkstemp()
with open(tmphist, "w") as text_file:
text_file.write(hist)
# Create reference layer if not defined
if not ref_rast and not ref_vect:
ref_rast = tmpname("tmp0")
Module(
"r.mapcalc",
"{0} = if(isnull({1}),null(),1)".format(ref_rast, reference_layer[0]),
quiet=True,
)
# Create the recode table - Reference distribution is raster
citiam = gs.find_file(name="MASK", element="cell", mapset=gs.gisenv()["MAPSET"])
if citiam["fullname"]:
rname = tmpname("tmp3")
Module("r.mapcalc", expression="{} = MASK".format(rname), quiet=True)
if ref_rast:
vtl = ref_rast
# Create temporary layer based on reference layer
tmpf0 = tmpname("tmp2")
Module(
"r.mapcalc", expression="{0} = int({1} * 1)".format(tmpf0, vtl), quiet=True
)
Module("r.null", map=tmpf0, setnull=0, quiet=True)
if citiam["fullname"]:
Module("r.mask", flags="r", quiet=True)
for i in range(len(reference_layer)):
# Create mask based on combined MASK/reference layer
Module("r.mask", raster=tmpf0, quiet=True)
# Calculate the frequency distribution
tmpf1 = tmpname("tmp4")
Module(
"r.mapcalc",
expression="{0} = int({1} * {2})".format(
tmpf1, digits2, reference_layer[i]
),
quiet=True,
)
stats_out = Module(
"r.stats",
flags="cn",
input=tmpf1,
sort="asc",
separator=";",
stdout_=PIPE,
).outputs.stdout
stval = {}
stats_outlines = stats_out.replace("\r", "").split("\n")
stats_outlines = [_f for _f in stats_outlines if _f]
for z in stats_outlines:
[val, count] = z.split(";")
stval[float(val)] = float(count)
sstval = sorted(stval.items(), key=operator.itemgetter(0))
sstval = np.matrix(sstval)
a = np.cumsum(np.array(sstval), axis=0)
b = np.sum(np.array(sstval), axis=0)
c = a[:, 1] / b[1] * 100
# Remove tmp mask and set region to env_proj if needed
Module("r.mask", quiet=True, flags="r")
if to_be_projected:
gs.use_temp_region()
Module("g.region", quiet=True, raster=projection_layers[0])
# get new region settings, to compare to original ones later
region_2 = gs.parse_command("g.region", flags="g")
# Get min and max values for recode table (based on full map)
tmpf2 = tmpname("tmp5")
Module(
"r.mapcalc",
expression="{0} = int({1} * {2})".format(
tmpf2, digits2, projection_layers[i]
),
quiet=True,
)
d = gs.parse_command("r.univar", flags="g", map=tmpf2, quiet=True)
# Create recode rules
Dmin = int(d["min"])
Dmax = int(d["max"])
envmin = np.min(np.array(sstval), axis=0)[0]
envmax = np.max(np.array(sstval), axis=0)[0]
if Dmin < envmin:
e1 = Dmin - 1
else:
e1 = envmin - 1
if Dmax > envmax:
e2 = Dmax + 1
else:
e2 = envmax + 1
a1 = np.hstack([(e1), np.array(sstval.T[0])[0, :]])
a2 = np.hstack([np.array(sstval.T[0])[0, :] - 1, (e2)])
b1 = np.hstack([(0), c])
fd2, tmprule = tempfile.mkstemp(suffix=variable_name[i])
with open(tmprule, "w") as text_file:
for k in np.arange(0, len(b1.T)):
text_file.write(
"%s:%s:%s\n" % (str(int(a1[k])), str(int(a2[k])), str(b1[k]))
)
# Create the recode layer and calculate the IES
compute_ies(tmprule, ipi[i], tmpf2, envmin, envmax)
Module(
"r.support",
map=ipi[i],
title="IES {}".format(reference_layer[i]),
units="0-100 (relative score)",
description="Environmental similarity {}".format(reference_layer[i]),
loadhistory=tmphist,
)
# Clean up
os.close(fd2)
os.remove(tmprule)
# Change region back to original
gs.del_temp_region()
# Create the recode table - Reference distribution is vector
else:
vtl = ref_vect
# Copy point layer and add columns for variables
tmpf0 = tmpname("tmp7")
Module(
"v.extract", quiet=True, flags="t", input=vtl, type="point", output=tmpf0
)
Module("v.db.addtable", quiet=True, map=tmpf0)
# TODO: see if there is a more efficient way to handle the mask
if citiam["fullname"]:
Module("r.mask", quiet=True, flags="r")
# Upload raster values and get value in python as frequency table
sql1 = "SELECT cat FROM {}".format(str(tmpf0))
cn = len(np.hstack(db.db_select(sql=sql1)))
for m in range(len(reference_layer)):
# Set mask back (this means that points outside the mask will
# be ignored in the computation of the frequency distribution
# of the reference variabele env(m))
if citiam["fullname"]:
Module("g.copy", raster=[rname, "MASK"], quiet=True)
# Compute frequency distribution of variable(m)
mid = str(m)
laytype = gs.raster_info(reference_layer[m])["datatype"]
if laytype == "CELL":
columns = "envvar_{} integer".format(str(mid))
else:
columns = "envvar_{} double precision".format(str(mid))
Module("v.db.addcolumn", map=tmpf0, columns=columns, quiet=True)
sql2 = "UPDATE {} SET envvar_{} = NULL".format(str(tmpf0), str(mid))
Module("db.execute", sql=sql2, quiet=True)
coln = "envvar_{}".format(str(mid))
Module(
"v.what.rast",
quiet=True,
map=tmpf0,
layer=1,
raster=reference_layer[m],
column=coln,
)
sql3 = (
"SELECT {0}, count({0}) from {1} WHERE {0} IS NOT NULL "
"GROUP BY {0} ORDER BY {0}"
).format(coln, tmpf0)
volval = np.vstack(db.db_select(sql=sql3))
volval = volval.astype(np.float, copy=False)
a = np.cumsum(volval[:, 1], axis=0)
b = np.sum(volval[:, 1], axis=0)
c = a / b * 100
# Check for point without values
if b < cn:
gs.info(
_(
"Please note that there were {} points without "
"value. This is probably because they are outside "
"the computational region or mask".format((cn - b))
)
)
# Set region to env_proj layers (if different from env) and remove
# mask (if set above)
if citiam["fullname"]:
Module("r.mask", quiet=True, flags="r")
if to_be_projected:
gs.use_temp_region()
Module("g.region", quiet=True, raster=projection_layers[0])
region_2 = gs.parse_command("g.region", flags="g")
# Multiply env_proj layer with dignum
tmpf2 = tmpname("tmp8")
Module(
"r.mapcalc",
expression="{0} = int({1} * {2})".format(
tmpf2, digits2, projection_layers[m]
),
quiet=True,
)
# Calculate min and max values of sample points and raster layer
envmin = int(min(volval[:, 0]) * digits2)
envmax = int(max(volval[:, 0]) * digits2)
Drange = gs.read_command("r.info", flags="r", map=tmpf2)
Drange = str.splitlines(Drange)
Drange = np.hstack([i.split("=") for i in Drange])
Dmin = int(Drange[1])
Dmax = int(Drange[3])
if Dmin < envmin:
e1 = Dmin - 1
else:
e1 = envmin - 1
if Dmax > envmax:
e2 = Dmax + 1
else:
e2 = envmax + 1
a0 = volval[:, 0] * digits2
a0 = a0.astype(np.int, copy=False)
a1 = np.hstack([(e1), a0])
a2 = np.hstack([a0 - 1, (e2)])
b1 = np.hstack([(0), c])
fd3, tmprule = tempfile.mkstemp(suffix=variable_name[m])
with open(tmprule, "w") as text_file:
for k in np.arange(0, len(b1)):
rtmp = "{}:{}:{}\n".format(
str(int(a1[k])), str(int(a2[k])), str(b1[k])
)
text_file.write(rtmp)
# Create the recode layer and calculate the IES
compute_ies(tmprule, ipi[m], tmpf2, envmin, envmax)
Module(
"r.support",
map=ipi[m],
title="IES {}".format(reference_layer[m]),
units="0-100 (relative score)",
description="Environmental similarity {}".format(reference_layer[m]),
loadhistory=tmphist,
)
# Clean up
os.close(fd3)
os.remove(tmprule)
# Change region back to original
gs.del_temp_region()
# Calculate MESS statistics
# Set region to env_proj layers (if different from env)
# Note: this changes the region, to ensure the newly created layers
# are actually visible to the user. This goes against normal practise
# There will be a warning.
if to_be_projected:
Module("g.region", quiet=True, raster=projection_layers[0])
# MES
Module("r.series", quiet=True, output=opc, input=ipi, method="minimum")
gs.write_command("r.colors", map=opc, rules="-", stdin=COLORS_MES, quiet=True)
# Write layer metadata
Module(
"r.support",
map=opc,
title="Areas with novel conditions",
units="0-100 (relative score)",
description="The multivariate environmental similarity" "(MES)",
loadhistory=tmphist,
)
# Area with negative MES
if fln:
mod1 = "{}_novel".format(opl)
Module("r.mapcalc", "{} = int(if( {} < 0, 1, 0))".format(mod1, opc), quiet=True)
# Write category labels
Module("r.category", map=mod1, rules="-", stdin=RECL_MESNEG, quiet=True)
# Write layer metadata
Module(
"r.support",
map=mod1,
title="Areas with novel conditions",
units="-",
source1="Based on {}".format(opc),
description="1 = novel conditions, 0 = within range",
loadhistory=tmphist,
)
# Most dissimilar variable (MoD)
if flm:
tmpf4 = tmpname("tmp9")
mod2 = "{}_MoD".format(opl)
Module("r.series", quiet=True, output=tmpf4, input=ipi, method="min_raster")
Module("r.mapcalc", "{} = int({})".format(mod2, tmpf4), quiet=True)
fd4, tmpcat = tempfile.mkstemp()
with open(tmpcat, "w") as text_file:
for cats in range(len(ipi)):
text_file.write("{}:{}\n".format(str(cats), reference_layer[cats]))
Module("r.category", quiet=True, map=mod2, rules=tmpcat, separator=":")
os.close(fd4)
os.remove(tmpcat)
# Write layer metadata
Module(
"r.support",
map=mod2,
title="Most dissimilar variable (MoD)",
units="-",
source1="Based on {}".format(opc),
description="Name of most dissimilar variable",
loadhistory=tmphist,
)
# sum(IES), where IES < 0
if flk:
mod3 = "{}_SumNeg".format(opl)
c0 = -0.01 / digits2
Module(
"r.series",
quiet=True,
input=ipi,
method="sum",
range=("-inf", c0),
output=mod3,
)
gs.write_command("r.colors", map=mod3, rules="-", stdin=COLORS_MES, quiet=True)
# Write layer metadata
Module(
"r.support",
map=mod3,
title="Sum of negative IES values",
units="-",
source1="Based on {}".format(opc),
description="Sum of negative IES values",
loadhistory=tmphist,
)
# Number of layers with negative values
if flc:
tmpf5 = tmpname("tmp10")
mod4 = "{}_CountNeg".format(opl)
MinMes = gs.read_command("r.info", quiet=True, flags="r", map=opc)
MinMes = str.splitlines(MinMes)
MinMes = float(np.hstack([i.split("=") for i in MinMes])[1])
c0 = -0.0001 / digits2
Module(
"r.series",
quiet=True,
input=ipi,
output=tmpf5,
method="count",
range=(MinMes, c0),
)
gs.mapcalc("$mod4 = int($tmpf5)", mod4=mod4, tmpf5=tmpf5, quiet=True)
# Write layer metadata
Module(
"r.support",
map=mod4,
title="Number of layers with negative values",
units="-",
source1="Based on {}".format(opc),
description="Number of layers with negative values",
loadhistory=tmphist,
)
# Remove IES layers
if fli:
Module("g.remove", quiet=True, flags="f", type="raster", name=ipi)
# Clean up tmp file
# os.remove(tmphist)
gs.message(_("Finished ...\n"))
if region_1 != region_2:
gs.message(
_(
"\nPlease note that the region has been changes to match"
" the set of projection (env_proj) variables.\n"
)
)
def __init__(self,
cmd,
width=None,
height=None,
overlap=0,
processes=None,
split=False,
debug=False,
region=None,
move=None,
log=False,
start_row=0,
start_col=0,
out_prefix='',
mapset_prefix=None,
*args,
**kargs):
kargs['run_'] = False
self.mset = Mapset()
self.module = Module(cmd, *args, **kargs)
self.width = width
self.height = height
self.overlap = overlap
self.processes = processes
self.region = region if region else Region()
self.start_row = start_row
self.start_col = start_col
self.out_prefix = out_prefix
self.log = log
self.move = move
self.gisrc_src = os.environ['GISRC']
self.n_mset, self.gisrc_dst = None, None
if self.move:
self.n_mset = copy_mapset(self.mset, self.move)
self.gisrc_dst = write_gisrc(self.n_mset.gisdbase,
self.n_mset.location,
self.n_mset.name)
rasters = [r for r in select(self.module.inputs, 'raster')]
if rasters:
copy_rasters(rasters,
self.gisrc_src,
self.gisrc_dst,
region=self.region)
vectors = [v for v in select(self.module.inputs, 'vector')]
if vectors:
copy_vectors(vectors, self.gisrc_src, self.gisrc_dst)
groups = [g for g in select(self.module.inputs, 'group')]
if groups:
copy_groups(groups,
self.gisrc_src,
self.gisrc_dst,
region=self.region)
self.bboxes = split_region_tiles(region=region,
width=width,
height=height,
overlap=overlap)
if mapset_prefix:
self.msetstr = mapset_prefix + "_%03d_%03d"
else:
self.msetstr = cmd.replace('.', '') + "_%03d_%03d"
self.inlist = None
if split:
self.split()
self.debug = debug
def main():
settings = options['settings']
scene_names = options['scene_name'].split(',')
output = options['output']
nprocs = int(options['nprocs'])
clouds = int(options['clouds'])
producttype = options['producttype']
start = options['start']
end = options['end']
use_scenenames = flags['s']
ind_folder = flags['f']
### check if we have the i.sentinel.download + i.sentinel.import addons
if not grass.find_program('i.sentinel.download', '--help'):
grass.fatal(
_("The 'i.sentinel.download' module was not found, install it first:"
) + "\n" + "g.extension i.sentinel")
### Test if all required data are there
if not os.path.isfile(settings):
grass.fatal(_("Settings file <%s> not found" % (settings)))
### set some common environmental variables, like:
os.environ.update(
dict(GRASS_COMPRESS_NULLS='1',
GRASS_COMPRESSOR='ZSTD',
GRASS_MESSAGE_FORMAT='plain'))
### test nprocs Settings
if nprocs > mp.cpu_count():
grass.fatal("Using %d parallel processes but only %d CPUs available." %
(nprocs, mp.cpu_count()))
### sentinelsat allows only three parallel downloads
elif nprocs > 2:
grass.message("Maximum number of parallel processes for Downloading" +
" fixed to 2 due to sentinelsat API restrictions")
nprocs = 2
if use_scenenames:
scenenames = scene_names
### check if the filename is valid
### TODO: refine check, it's currently a very lazy check
if len(scenenames[0]) < 10:
grass.fatal(
"No scene names indicated. Please provide scenenames in \
the format S2A_MSIL1C_20180822T155901_N0206_R097_T17SPV_20180822T212023.SAFE"
)
else:
### get a list of scenenames to download
i_sentinel_download_string = grass.parse_command(
'i.sentinel.download',
settings=settings,
producttype=producttype,
start=start,
end=end,
clouds=clouds,
flags='l')
i_sentinel_keys = i_sentinel_download_string.keys()
scenenames = [item.split(' ')[1] for item in i_sentinel_keys]
### parallelize download
grass.message(_("Downloading Sentinel-2 data..."))
### adapt nprocs to number of scenes
if len(scenenames) == 1:
nprocs = 1
queue_download = ParallelModuleQueue(nprocs=nprocs)
for idx, scenename in enumerate(scenenames):
producttype, start_date, end_date, query_string = scenename_split(
scenename)
### output into separate folders, easier to import in a parallel way:
if ind_folder:
outpath = os.path.join(output, 'dl_s2_%s' % str(idx + 1))
else:
outpath = output
i_sentinel_download = Module('i.sentinel.download',
settings=settings,
start=start_date,
end=end_date,
producttype=producttype,
query=query_string,
output=outpath,
run_=False)
queue_download.put(i_sentinel_download)
queue_download.wait()
def main():
# check if the map is in the current mapset
mapset = grass.find_file(opt["map"], element="vector")["mapset"]
if not mapset or mapset != grass.gisenv()["MAPSET"]:
grass.fatal(
_("Vector map <{}> not found in the current mapset").format(
opt["map"]))
# get list of existing columns
try:
columns = grass.vector_columns(opt["map"]).keys()
except CalledModuleError as e:
return 1
allowed_rasters = ("N2", "N5", "N10", "N20", "N50", "N100")
# test input feature type
vinfo = grass.vector_info_topo(opt["map"])
if vinfo["areas"] < 1 and vinfo["points"] < 1:
grass.fatal(
_("No points or areas found in input vector map <{}>").format(
opt["map"]))
# check area size limit
check_area_size = float(opt["area_size"]) > 0
if check_area_size:
area_col_name = "area_{}".format(os.getpid())
Module(
"v.to.db",
map=opt["map"],
option="area",
units="kilometers",
columns=area_col_name,
quiet=True,
)
areas = Module(
"v.db.select",
flags="c",
map=opt["map"],
columns=area_col_name,
where="{} > {}".format(area_col_name, opt["area_size"]),
stdout_=grass.PIPE,
)
large_areas = len(areas.outputs.stdout.splitlines())
if large_areas > 0:
grass.warning(
"{} areas larger than size limit will be skipped from computation"
.format(large_areas))
# extract multi values to points
for rast in opt["return_period"].split(","):
# check valid rasters
name = grass.find_file(rast, element="cell")["name"]
if not name:
grass.warning("Raster map <{}> not found. "
"Skipped.".format(rast))
continue
if name not in allowed_rasters:
grass.warning("Raster map <{}> skipped. "
"Allowed: {}".format(rast, allowed_rasters))
continue
# perform zonal statistics
grass.message("Processing <{}>...".format(rast))
table = "{}_table".format(name)
if vinfo["areas"] > 0:
Module(
"v.rast.stats",
flags="c",
map=opt["map"],
raster=rast,
column_prefix=name,
method="average",
quiet=True,
)
# handle NULL values (areas smaller than raster resolution)
null_values = Module(
"v.db.select",
map=opt["map"],
columns="cat",
flags="c",
where="{}_average is NULL".format(name),
stdout_=grass.PIPE,
)
cats = null_values.outputs.stdout.splitlines()
if len(cats) > 0:
grass.warning(
_("Input vector map <{}> contains very small areas (smaller than "
"raster resolution). These areas will be proceeded by querying "
"single raster cell.").format(opt["map"]))
Module(
"v.what.rast",
map=opt["map"],
raster=rast,
type="centroid",
column="{}_average".format(name),
where="{}_average is NULL".format(name),
quiet=True,
)
else: # -> points
Module(
"v.what.rast",
map=opt["map"],
raster=rast,
column="{}_average".format(name),
quiet=True,
)
# add column to the attribute table if not exists
rl = float(opt["rainlength"])
field_name = "H_{}T{}".format(name, opt["rainlength"])
if field_name not in columns:
Module(
"v.db.addcolumn",
map=opt["map"],
columns="{} double precision".format(field_name),
)
# determine coefficient for calculation
a, c = coeff(rast, rl)
if a is None or c is None:
grass.fatal("Unable to calculate coefficients")
# calculate output values, update attribute table
coef = a * rl**(1 - c)
expression = "{}_average * {}".format(name, coef)
Module("v.db.update",
map=opt["map"],
column=field_name,
query_column=expression)
if check_area_size:
Module(
"v.db.update",
map=opt["map"],
column=field_name,
value="-1",
where="{} > {}".format(area_col_name, opt["area_size"]),
)
# remove unused column
Module("v.db.dropcolumn",
map=opt["map"],
columns="{}_average".format(name))
if check_area_size:
# remove unused column
Module("v.db.dropcolumn", map=opt["map"], columns=area_col_name)
return 0
def get_topology(self, map):
vinfo = Module('v.info', self.map, flags='t', quiet=True, stdout_=PIPE)
features = parse_key_val(vinfo.outputs.stdout)
def erase(inShp,
erase_feat,
out,
splitMultiPart=None,
notTbl=None,
api='pygrass'):
"""
Difference between two feature classes
API's Available:
* pygrass;
* grass;
* saga;
"""
if api == 'saga':
"""
Using SAGA GIS
It appears to be very slow
"""
from glass.pys import execmd
cmd = ('saga_cmd shapes_polygons 15 -A {in_shp} -B {erase_shp} '
'-RESULT {output} -SPLIT {sp}').format(
in_shp=inShp,
erase_shp=erase_feat,
output=out,
sp='0' if not splitMultiPart else '1')
outcmd = execmd(cmd)
elif api == 'pygrass':
"""
Use pygrass
"""
from grass.pygrass.modules import Module
erase = Module("v.overlay",
ainput=inShp,
atype="area",
binput=erase_feat,
btype="area",
operator="not",
output=out,
overwrite=True,
run_=False,
quiet=True,
flags='t' if notTbl else None)
erase()
elif api == 'grass':
"""
Use GRASS GIS tool via command line
"""
from glass.pys import execmd
rcmd = execmd(
("v.overlay ainput={} atype=area binput={} "
"btype=area operator=not output={} {}"
"--overwrite --quiet").format(inShp, erase_feat, out,
"" if not notTbl else "-t "))
else:
raise ValueError('API {} is not available!'.format(api))
return out
def main():
# Get the options
input = options["input"]
output = options["output"]
start = options["start"]
stop = options["stop"]
base = options["basename"]
cycle = options["cycle"]
lower = options["lower"]
upper = options["upper"]
offset = options["offset"]
limits = options["limits"]
shift = options["shift"]
scale = options["scale"]
method = options["method"]
granularity = options["granularity"]
register_null = flags["n"]
reverse = flags["r"]
# Make sure the temporal database exists
tgis.init()
# We need a database interface
dbif = tgis.SQLDatabaseInterfaceConnection()
dbif.connect()
mapset = tgis.get_current_mapset()
if input.find("@") >= 0:
id = input
else:
id = input + "@" + mapset
input_strds = tgis.SpaceTimeRasterDataset(id)
if input_strds.is_in_db() == False:
dbif.close()
grass.fatal(_("Space time raster dataset <%s> not found") % (id))
input_strds.select(dbif)
if output.find("@") >= 0:
out_id = output
else:
out_id = output + "@" + mapset
# The output space time raster dataset
output_strds = tgis.SpaceTimeRasterDataset(out_id)
if output_strds.is_in_db(dbif):
if not grass.overwrite():
dbif.close()
grass.fatal(_("Space time raster dataset <%s> is already in the "
"database, use overwrite flag to overwrite") % out_id)
if tgis.check_granularity_string(granularity,
input_strds.get_temporal_type()) == False:
dbif.close()
grass.fatal(_("Invalid granularity"))
if tgis.check_granularity_string(cycle,
input_strds.get_temporal_type()) == False:
dbif.close()
grass.fatal(_("Invalid cycle"))
if offset:
if tgis.check_granularity_string(offset,
input_strds.get_temporal_type()) == False:
dbif.close()
grass.fatal(_("Invalid offset"))
# The lower threshold space time raster dataset
if lower:
if not range:
dbif.close()
grass.fatal(_("You need to set the range to compute the occurrence"
" space time raster dataset"))
if lower.find("@") >= 0:
lower_id = lower
else:
lower_id = lower + "@" + mapset
lower_strds = tgis.SpaceTimeRasterDataset(lower_id)
if lower_strds.is_in_db() == False:
dbif.close()
grass.fatal(_("Space time raster dataset <%s> not found") % (lower_strds.get_id()))
if lower_strds.get_temporal_type() != input_strds.get_temporal_type():
dbif.close()
grass.fatal(_("Temporal type of input strds and lower strds must be equal"))
lower_strds.select(dbif)
# The upper threshold space time raster dataset
if upper:
if not lower:
dbif.close()
grass.fatal(_("The upper option works only in conjunction with the lower option"))
if upper.find("@") >= 0:
upper = upper
else:
upper_id = upper + "@" + mapset
upper_strds = tgis.SpaceTimeRasterDataset(upper_id)
if upper_strds.is_in_db() == False:
dbif.close()
grass.fatal(_("Space time raster dataset <%s> not found") % (upper_strds.get_id()))
if upper_strds.get_temporal_type() != input_strds.get_temporal_type():
dbif.close()
grass.fatal(_("Temporal type of input strds and upper strds must be equal"))
upper_strds.select(dbif)
input_strds_start, input_strds_end = input_strds.get_temporal_extent_as_tuple()
if input_strds.is_time_absolute():
start = tgis.string_to_datetime(start)
if stop:
stop = tgis.string_to_datetime(stop)
else:
stop = input_strds_end
start = tgis.adjust_datetime_to_granularity(start, granularity)
else:
start = int(start)
if stop:
stop = int(stop)
else:
stop = input_strds_end
if input_strds.is_time_absolute():
end = tgis.increment_datetime_by_string(start, cycle)
else:
end = start + cycle
limit_relations = ["EQUALS", "DURING", "OVERLAPS", "OVERLAPPING", "CONTAINS"]
count = 1
output_maps = []
while input_strds_end > start and stop > start:
# Make sure that the cyclic computation will stop at the correct time
if stop and end > stop:
end = stop
where = "start_time >= \'%s\' AND start_time < \'%s\'"%(str(start),
str(end))
input_maps = input_strds.get_registered_maps_as_objects(where=where,
dbif=dbif)
grass.message(_("Processing cycle %s - %s"%(str(start), str(end))))
if len(input_maps) == 0:
continue
# Lets create a dummy list of maps with granularity conform intervals
gran_list = []
gran_list_low = []
gran_list_up = []
gran_start = start
while gran_start < end:
map = input_strds.get_new_map_instance("%i@%i"%(count, count))
if input_strds.is_time_absolute():
gran_end = tgis.increment_datetime_by_string(gran_start,
granularity)
map.set_absolute_time(gran_start, gran_end)
gran_start = tgis.increment_datetime_by_string(gran_start,
granularity)
else:
gran_end = gran_start + granularity
map.set_relative_time(gran_start, gran_end,
input_strds.get_relative_time_unit())
gran_start = gran_start + granularity
gran_list.append(copy(map))
gran_list_low.append(copy(map))
gran_list_up.append(copy(map))
# Lists to compute the topology with upper and lower datasets
# Create the topology between the granularity conform list and all maps
# of the current cycle
gran_topo = tgis.SpatioTemporalTopologyBuilder()
gran_topo.build(gran_list, input_maps)
if lower:
lower_maps = lower_strds.get_registered_maps_as_objects(dbif=dbif)
gran_lower_topo = tgis.SpatioTemporalTopologyBuilder()
gran_lower_topo.build(gran_list_low, lower_maps)
if upper:
upper_maps = upper_strds.get_registered_maps_as_objects(dbif=dbif)
gran_upper_topo = tgis.SpatioTemporalTopologyBuilder()
gran_upper_topo.build(gran_list_up, upper_maps)
old_map_name = None
# Aggregate
num_maps = len(gran_list)
for i in xrange(num_maps):
if reverse:
map = gran_list[num_maps - i - 1]
else:
map = gran_list[i]
# Select input maps based on temporal topology relations
input_maps = []
if map.get_equal():
input_maps += map.get_equal()
elif map.get_contains():
input_maps += map.get_contains()
elif map.get_overlaps():
input_maps += map.get_overlaps()
elif map.get_overlapped():
input_maps += map.get_overlapped()
elif map.get_during():
input_maps += map.get_during()
# Check input maps
if len(input_maps) == 0:
continue
# New output map
output_map_name = "%s_%i" % (base, count)
output_map_id = map.build_id(output_map_name, mapset)
output_map = input_strds.get_new_map_instance(output_map_id)
# Check if new map is in the temporal database
if output_map.is_in_db(dbif):
if grass.overwrite():
# Remove the existing temporal database entry
output_map.delete(dbif)
output_map = input_strds.get_new_map_instance(output_map_id)
else:
grass.fatal(_("Map <%s> is already registered in the temporal"
" database, use overwrite flag to overwrite.") %
(output_map.get_map_id()))
map_start, map_end = map.get_temporal_extent_as_tuple()
if map.is_time_absolute():
output_map.set_absolute_time(map_start, map_end)
else:
output_map.set_relative_time(map_start, map_end,
map.get_relative_time_unit())
limits_vals = limits.split(",")
limits_lower = float(limits_vals[0])
limits_upper = float(limits_vals[1])
lower_map_name = None
if lower:
relations = gran_list_low[i].get_temporal_relations()
for relation in limit_relations:
if relation in relations:
lower_map_name = str(relations[relation][0].get_id())
break
upper_map_name = None
if upper:
relations = gran_list_up[i].get_temporal_relations()
for relation in limit_relations:
if relation in relations:
upper_map_name = str(relations[relation][0].get_id())
break
input_map_names = []
for input_map in input_maps:
input_map_names.append(input_map.get_id())
# Set up the module
accmod = Module("r.series.accumulate", input=input_map_names,
output=output_map_name, run_=False)
if old_map_name:
accmod.inputs["basemap"].value = old_map_name
if lower_map_name:
accmod.inputs["lower"].value = lower_map_name
if upper_map_name:
accmod.inputs["upper"].value = upper_map_name
accmod.inputs["limits"].value = (limits_lower, limits_upper)
if shift:
accmod.inputs["shift"].value = float(shift)
if scale:
accmod.inputs["scale"].value = float(scale)
if method:
accmod.inputs["method"].value = method
print accmod
accmod.run()
if accmod.popen.returncode != 0:
dbif.close()
grass.fatal(_("Error running r.series.accumulate"))
output_maps.append(output_map)
old_map_name = output_map_name
count += 1
# Increment the cycle
start = end
if input_strds.is_time_absolute():
start = end
if offset:
start = tgis.increment_datetime_by_string(end, offset)
end = tgis.increment_datetime_by_string(start, cycle)
else:
if offset:
start = end + offset
end = start + cycle
# Insert the maps into the output space time dataset
if output_strds.is_in_db(dbif):
if grass.overwrite():
output_strds.delete(dbif)
output_strds = input_strds.get_new_instance(out_id)
temporal_type, semantic_type, title, description = input_strds.get_initial_values()
output_strds.set_initial_values(temporal_type, semantic_type, title,
description)
output_strds.insert(dbif)
empty_maps = []
# Register the maps in the database
count = 0
for output_map in output_maps:
count += 1
if count%10 == 0:
grass.percent(count, len(output_maps), 1)
# Read the raster map data
output_map.load()
# In case of a empty map continue, do not register empty maps
if not register_null:
if output_map.metadata.get_min() is None and \
output_map.metadata.get_max() is None:
empty_maps.append(output_map)
continue
# Insert map in temporal database
output_map.insert(dbif)
output_strds.register_map(output_map, dbif)
# Update the spatio-temporal extent and the metadata table entries
output_strds.update_from_registered_maps(dbif)
grass.percent(1, 1, 1)
dbif.close()
# Remove empty maps
if len(empty_maps) > 0:
for map in empty_maps:
grass.run_command("g.remove", flags='f', type="rast", pattern=map.get_name(), quiet=True)
def cleanup():
Module('g.remove', flags='f', name='region_mask', type='vector')
Module('g.remove', flags='f', name='ndvi', type='raster')
Module('g.remove', flags='f', name='ndvi_class', type='raster')
Module('g.remove', flags='f', name='ndvi_class', type='vector')
def main():
elev = options["input"]
output = options["output"]
n_dir = int(options["ndir"])
notParallel = flags["p"]
global TMP_NAME, CLEANUP
if options["basename"]:
TMP_NAME = options["basename"]
CLEANUP = False
colorized_output = options["colorized_output"]
colorize_color = options["color_table"]
if colorized_output:
color_raster_tmp = TMP_NAME + "_color_raster"
else:
color_raster_tmp = None
color_raster_type = options["color_source"]
color_input = options["color_input"]
if color_raster_type == "color_input" and not color_input:
gcore.fatal(_("Provide raster name in color_input option"))
if color_raster_type != "color_input" and color_input:
gcore.fatal(
_(
"The option color_input is not needed"
" when not using it as source for color"
)
)
# this would be needed only when no value would allowed
if not color_raster_type and color_input:
color_raster_type = "color_input" # enable for convenience
if (
color_raster_type == "aspect"
and colorize_color
and colorize_color not in ["default", "aspectcolr"]
):
gcore.warning(
_(
"Using possibly inappropriate color table <{}>"
" for aspect".format(colorize_color)
)
)
horizon_step = 360.0 / n_dir
horizon_intervals = np.arange(0, 360, horizon_step)
msgr = get_msgr()
# checks if there are already some maps
old_maps = _get_horizon_maps()
if old_maps:
if not gcore.overwrite():
CLEANUP = False
msgr.fatal(
_(
"You have to first check overwrite flag or remove"
" the following maps:\n"
"{names}"
).format(names=",".join(old_maps))
)
else:
msgr.warning(
_("The following maps will be overwritten: {names}").format(
names=",".join(old_maps)
)
)
if not gcore.overwrite() and color_raster_tmp:
check_map_name(color_raster_tmp)
try:
if notParallel is False:
if options["maxdistance"]:
maxdistance = float(options["maxdistance"])
else:
maxdistance = None
r_horizon = Module(
"r.horizon",
elevation=elev,
maxdistance=maxdistance,
flags="d",
run_=False,
)
queue = ParallelModuleQueue(nprocs=int(options["processes"]))
for d in horizon_intervals:
r_horizon_prc = deepcopy(r_horizon)
r_horizon_prc.inputs.direction = d
r_horizon_prc.outputs.output = TMP_NAME
queue.put(r_horizon_prc)
queue.wait()
else:
params = {}
if options["maxdistance"]:
params["maxdistance"] = options["maxdistance"]
gcore.run_command(
"r.horizon",
elevation=elev,
step=horizon_step,
output=TMP_NAME,
flags="d",
**params
)
new_maps = _get_horizon_maps()
if flags["o"]:
msgr.message(_("Computing openness ..."))
expr = "{out} = 1 - (sin({first}) ".format(first=new_maps[0], out=output)
for horizon in new_maps[1:]:
expr += "+ sin({name}) ".format(name=horizon)
expr += ") / {n}.".format(n=len(new_maps))
else:
msgr.message(_("Computing skyview factor ..."))
expr = "{out} = 1 - (sin( if({first} < 0, 0, {first}) ) ".format(
first=new_maps[0], out=output
)
for horizon in new_maps[1:]:
expr += "+ sin( if({name} < 0, 0, {name}) ) ".format(name=horizon)
expr += ") / {n}.".format(n=len(new_maps))
grast.mapcalc(exp=expr)
gcore.run_command("r.colors", map=output, color="grey")
except CalledModuleError:
msgr.fatal(
_(
"r.horizon failed to compute horizon elevation "
"angle maps. Please report this problem to developers."
)
)
return 1
if colorized_output:
if color_raster_type == "slope":
gcore.run_command("r.slope.aspect", elevation=elev, slope=color_raster_tmp)
elif color_raster_type == "aspect":
gcore.run_command("r.slope.aspect", elevation=elev, aspect=color_raster_tmp)
elif color_raster_type == "dxy":
gcore.run_command("r.slope.aspect", elevation=elev, dxy=color_raster_tmp)
elif color_raster_type == "color_input":
color_raster_tmp = color_input
else:
color_raster_tmp = elev
# don't modify user's color table for inputs
if colorize_color and color_raster_type not in ["input", "color_input"]:
rcolors_flags = ""
if flags["n"]:
rcolors_flags += "n"
gcore.run_command(
"r.colors",
map=color_raster_tmp,
color=colorize_color,
flags=rcolors_flags,
)
gcore.run_command(
"r.shade", shade=output, color=color_raster_tmp, output=colorized_output
)
grast.raster_history(colorized_output)
grast.raster_history(output)
return 0
def main():
# user specified variables
dem = options["elevation"]
slope = options["slope"]
aspect = options["aspect"]
neighborhood_size = options["size"]
output = options["output"]
nprocs = int(options["nprocs"])
# check for valid neighborhood sizes
neighborhood_size = neighborhood_size.split(",")
neighborhood_size = [int(i) for i in neighborhood_size]
if any([True for i in neighborhood_size if i % 2 == 0]):
grass.fatal(
"Invalid size - neighborhood sizes have to consist of odd numbers")
if min(neighborhood_size) == 1:
grass.fatal("Neighborhood sizes have to be > 1")
# determine nprocs
if nprocs < 0:
n_cores = mp.cpu_count()
nprocs = n_cores - (nprocs + 1)
# temporary raster map names for slope, aspect, x, y, z components
if slope == "":
slope_raster = create_tempname("tmpSlope_")
else:
slope_raster = slope
if aspect == "":
aspect_raster = create_tempname("tmpAspect_")
else:
aspect_raster = aspect
z_raster = create_tempname("tmpzRaster_")
x_raster = create_tempname("tmpxRaster_")
y_raster = create_tempname("tmpyRaster_")
# create slope and aspect rasters
if slope == "" or aspect == "":
grass.message("Calculating slope and aspect...")
grass.run_command(
"r.slope.aspect",
elevation=dem,
slope=slope_raster,
aspect=aspect_raster,
format="degrees",
precision="FCELL",
zscale=1.0,
min_slope=0.0,
quiet=True,
)
# calculate x y and z rasters
# note - GRASS sin/cos functions differ from ArcGIS which expects input grid in radians
# whereas GRASS functions expect degrees
# no need to convert slope and aspect to radians as in the original ArcGIS script
x_expr = "{x} = float( sin({a}) * sin({b}) )".format(x=x_raster,
a=aspect_raster,
b=slope_raster)
y_expr = "{y} = float( cos({a}) * sin({b}) )".format(y=y_raster,
a=aspect_raster,
b=slope_raster)
z_expr = "{z} = float( cos({a}) )".format(z=z_raster, a=slope_raster)
# calculate x, y, z components (parallel)
grass.message("Calculating x, y, and z rasters...")
mapcalc = Module("r.mapcalc", run_=False)
queue = ParallelModuleQueue(nprocs=nprocs)
mapcalc1 = copy.deepcopy(mapcalc)
m = mapcalc1(expression=x_expr)
queue.put(m)
mapcalc2 = copy.deepcopy(mapcalc)
m = mapcalc2(expression=y_expr)
queue.put(m)
mapcalc3 = copy.deepcopy(mapcalc)
m = mapcalc3(expression=z_expr)
queue.put(m)
queue.wait()
# calculate x, y, z neighborhood sums (parallel)
grass.message(
"Calculating sums of x, y, and z rasters in selected neighborhoods...")
x_sum_list = []
y_sum_list = []
z_sum_list = []
neighbors = Module("r.neighbors", overwrite=True, run_=False)
queue = ParallelModuleQueue(nprocs=nprocs)
for size in neighborhood_size:
# create temporary raster names for neighborhood x, y, z sums
x_sum_raster = create_tempname("tmpxSumRaster_")
x_sum_list.append(x_sum_raster)
y_sum_raster = create_tempname("tmpySumRaster_")
y_sum_list.append(y_sum_raster)
z_sum_raster = create_tempname("tmpzSumRaster_")
z_sum_list.append(z_sum_raster)
# queue jobs for x, y, z neighborhood sums
neighbors_xsum = copy.deepcopy(neighbors)
n = neighbors_xsum(input=x_raster,
output=x_sum_raster,
method="average",
size=size)
queue.put(n)
neighbors_ysum = copy.deepcopy(neighbors)
n = neighbors_ysum(input=y_raster,
output=y_sum_raster,
method="average",
size=size)
queue.put(n)
neighbors_zsum = copy.deepcopy(neighbors)
n = neighbors_zsum(input=z_raster,
output=z_sum_raster,
method="average",
size=size)
queue.put(n)
queue.wait()
# calculate the resultant vector and final ruggedness raster
# modified from the original script to multiple each SumRaster by the n neighborhood cells to get the sum
grass.message("Calculating the final ruggedness rasters...")
mapcalc = Module("r.mapcalc", run_=False)
queue = ParallelModuleQueue(nprocs=nprocs)
vrm_list = []
for x_sum_raster, y_sum_raster, z_sum_raster, size in zip(
x_sum_list, y_sum_list, z_sum_list, neighborhood_size):
if len(neighborhood_size) > 1:
vrm_name = "_".join([output, str(size)])
else:
vrm_name = output
vrm_list.append(vrm_name)
vrm_expr = "{x} = float(1-( (sqrt(({a}*{d})^2 + ({b}*{d})^2 + ({c}*{d})^2) / {d})))".format(
x=vrm_name,
a=x_sum_raster,
b=y_sum_raster,
c=z_sum_raster,
d=int(size) * int(size),
)
mapcalc1 = copy.deepcopy(mapcalc)
m = mapcalc1(expression=vrm_expr)
queue.put(m)
queue.wait()
# set colors
grass.run_command("r.colors", flags="e", map=vrm_list, color="ryb")
# set metadata
for vrm, size in zip(vrm_list, neighborhood_size):
title = "Vector Ruggedness Measure (size={size})".format(size=size)
grass.run_command("r.support", map=vrm, title=title)
return 0
if (reg.rows, reg.cols) != array.shape:
msg = "Region and array are different: %r != %r"
raise TypeError(msg % ((reg.rows, reg.cols), array.shape))
with RasterRow(rastname, mode='w', mtype=mtype,
overwrite=overwrite) as new:
newrow = Buffer((array.shape[1], ), mtype=mtype)
for row in array:
newrow[:] = row[:]
new.put_row(newrow)
if __name__ == "__main__":
import doctest
from grass.pygrass.modules import Module
Module("g.region", n=40, s=0, e=40, w=0, res=10)
Module("r.mapcalc",
expression="%s = row() + (10 * col())" % (test_raster_name),
overwrite=True)
Module("r.support",
map=test_raster_name,
title="A test map",
history="Generated by r.mapcalc",
description="This is a test map")
cats = """11:A
12:B
13:C
14:D
21:E
22:F
23:G
def main(options, flags):
gisbase = os.getenv('GISBASE')
if not gisbase:
gs.fatal(_('$GISBASE not defined'))
return 0
# Variables
RAST = options['raster']
RAST = RAST.split(',')
RASTL = [z.split('@')[0] for z in RAST]
RASTL = [x.lower() for x in RASTL]
RAST2 = options['raster2']
RAST2 = RAST2.split(',')
RASTL2 = [z.split('@')[0] for z in RAST2]
RASTL2 = [x.lower() for x in RASTL2]
VECT = options['vector']
OUTP = options['output']
# Create vector with column names
CT = ['x double precision, y double precision, label integer']
for i in xrange(len(RAST)):
DT = gs.parse_command('r.info', flags='g', map=RAST[i],
quiet=True)['datatype']
if DT == 'CELL':
CT.append("ID_{0} integer, {0} varchar(255)".format(RASTL[i]))
else:
CT.append("ID_{0} double precision, {0} varchar(255)".format(
RASTL[i]))
CNT = ','.join(CT)
# Get raster points of raster layers with labels
# Export point map to text file first and use that as input in r.what
# TODO: the above is workaround to get vector cat value as label. Easier,
# would be to use vector point map directly as input, but that does not
# give label to link back to old vector layer
PAT = Module('v.out.ascii',
input=VECT,
format='point',
separator='space',
precision=12,
stdout_=PIPE).outputs.stdout
CAT = Module('r.what', flags='f', map=RAST, stdin_=PAT,
stdout_=PIPE).outputs.stdout
CATV = CAT.replace('|*|', '||')
Module('v.in.ascii',
input='-',
stdin_=CATV,
output=OUTP,
columns=CNT,
separator='pipe',
format='point',
x=1,
y=2,
quiet=True)
# Get raster points of raster layers without labels (optional)
if options['raster2']:
for j in xrange(len(RAST2)):
DT = gs.parse_command('r.info',
flags='g',
map=RAST2[j],
quiet=True)['datatype']
if DT == 'CELL':
CT = "{} integer".format(RASTL2[j])
else:
CT = "{} double precision".format(RASTL2[j])
Module('v.db.addcolumn', map=OUTP, columns=CT)
Module('v.what.rast', map=OUTP, raster=RAST2[j], column=RASTL2[j])
# Write metadata
opt2 = dict((k, v) for k, v in options.iteritems() if v)
hist = ' '.join("{!s}={!r}".format(k, v) for (k, v) in opt2.iteritems())
hist = "v.what.rastlabel {}".format(hist)
Module('v.support',
map=OUTP,
comment="created with v.what.rastlabel",
cmdhist=hist,
flags='r',
quiet=True)
def main():
global rm_regions, rm_rasters, rm_vectors, tmpfolder
# parameters
if options['s2names']:
s2names = options['s2names'].split(',')
if os.path.isfile(s2names[0]):
with open(s2names[0], 'r') as f:
s2namesstr = f.read()
else:
s2namesstr = ','.join(s2names)
tmpdirectory = options['directory']
test_nprocs_memory()
if not grass.find_program('i.sentinel.download', '--help'):
grass.fatal(
_("The 'i.sentinel.download' module was not found, install it first:"
) + "\n" + "g.extension i.sentinel")
if not grass.find_program('i.sentinel.import', '--help'):
grass.fatal(
_("The 'i.sentinel.import' module was not found, install it first:"
) + "\n" + "g.extension i.sentinel")
if not grass.find_program('i.sentinel.parallel.download', '--help'):
grass.fatal(
_("The 'i.sentinel.parallel.download' module was not found, install it first:"
) + "\n" + "g.extension i.sentinel")
if not grass.find_program('i.zero2null', '--help'):
grass.fatal(
_("The 'i.zero2null' module was not found, install it first:") +
"\n" + "g.extension i.zero2null")
# create temporary directory to download data
if tmpdirectory:
if not os.path.isdir(tmpdirectory):
try:
os.makedirs(tmpdirectory)
except:
grass.fatal(_("Unable to create temp dir"))
else:
tmpdirectory = grass.tempdir()
tmpfolder = tmpdirectory
# make distinct download and sen2cor directories
try:
download_dir = os.path.join(tmpdirectory,
'download_{}'.format(os.getpid()))
os.makedirs(download_dir)
except Exception as e:
grass.fatal(_('Unable to create temp dir {}').format(download_dir))
if not options['input_dir']:
# auxiliary variable showing whether each S2-scene lies in an
# individual folder
single_folders = True
download_args = {
'settings': options['settings'],
'nprocs': options['nprocs'],
'output': download_dir,
'datasource': options['datasource'],
'flags': 'f'
}
if options['limit']:
download_args['limit'] = options['limit']
if options['s2names']:
download_args['flags'] += 's'
download_args['scene_name'] = s2namesstr.strip()
if options['datasource'] == 'USGS_EE':
if flags['e']:
download_args['flags'] += 'e'
download_args['producttype'] = 'S2MSI1C'
else:
download_args['clouds'] = options['clouds']
download_args['start'] = options['start']
download_args['end'] = options['end']
download_args['producttype'] = options['producttype']
grass.run_command('i.sentinel.parallel.download', **download_args)
else:
download_dir = options['input_dir']
single_folders = False
number_of_scenes = len(os.listdir(download_dir))
nprocs_final = min(number_of_scenes, int(options['nprocs']))
# run atmospheric correction
if flags['a']:
sen2cor_folder = os.path.join(tmpdirectory,
'sen2cor_{}'.format(os.getpid()))
try:
os.makedirs(sen2cor_folder)
except Exception as e:
grass.fatal(
_("Unable to create temporary sen2cor folder {}").format(
sen2cor_folder))
grass.message(
_('Starting atmospheric correction with sen2cor...').format(
nprocs_final))
queue_sen2cor = ParallelModuleQueue(nprocs=nprocs_final)
for idx, subfolder in enumerate(os.listdir(download_dir)):
if single_folders is False:
if subfolder.endswith('.SAFE'):
filepath = os.path.join(download_dir, subfolder)
else:
folderpath = os.path.join(download_dir, subfolder)
for file in os.listdir(folderpath):
if file.endswith('.SAFE'):
filepath = os.path.join(folderpath, file)
output_dir = os.path.join(sen2cor_folder,
'sen2cor_result_{}'.format(idx))
try:
os.makedirs(output_dir)
except Exception:
grass.fatal(
_('Unable to create directory {}').format(output_dir))
sen2cor_module = Module(
'i.sentinel-2.sen2cor',
input_file=filepath,
output_dir=output_dir,
sen2cor_path=options['sen2cor_path'],
nprocs=1,
run_=False
# all remaining sen2cor parameters can be left as default
)
queue_sen2cor.put(sen2cor_module)
queue_sen2cor.wait()
download_dir = sen2cor_folder
single_folders = True
grass.message(_("Importing Sentinel scenes ..."))
env = grass.gisenv()
start_gisdbase = env['GISDBASE']
start_location = env['LOCATION_NAME']
start_cur_mapset = env['MAPSET']
### save current region
id = str(os.getpid())
currentregion = 'tmp_region_' + id
rm_regions.append(currentregion)
grass.run_command('g.region', save=currentregion, flags='p')
queue_import = ParallelModuleQueue(nprocs=nprocs_final)
memory_per_proc = round(float(options['memory']) / nprocs_final)
mapsetids = []
importflag = 'rn'
if flags['i']:
importflag += 'i'
if flags['c']:
importflag += 'c'
json_standard_folder = os.path.join(env['GISDBASE'], env['LOCATION_NAME'],
env['MAPSET'], 'cell_misc')
if not os.path.isdir(json_standard_folder):
os.makedirs(json_standard_folder)
for idx, subfolder in enumerate(os.listdir(download_dir)):
if os.path.exists(os.path.join(download_dir, subfolder)):
mapsetid = 'S2_import_%s' % (str(idx + 1))
mapsetids.append(mapsetid)
import_kwargs = {
"mapsetid": mapsetid,
"memory": memory_per_proc,
"pattern": options["pattern"],
"flags": importflag,
"region": currentregion,
"metadata": json_standard_folder
}
if single_folders is True:
directory = os.path.join(download_dir, subfolder)
else:
directory = download_dir
if subfolder.endswith(".SAFE"):
pattern_file = subfolder.split(".SAFE")[0]
elif subfolder.endswith(".zip"):
pattern_file = subfolder.split(".zip")[0]
if ".SAFE" in pattern_file:
pattern_file = pattern_file.split(".SAFE")[0]
else:
grass.warning(
_("{} is not in .SAFE or .zip format, "
"skipping...").format(
os.path.join(download_dir, subfolder)))
continue
import_kwargs["pattern_file"] = pattern_file
import_kwargs["input"] = directory
i_sentinel_import = Module("i.sentinel.import.worker",
run_=False,
**import_kwargs)
queue_import.put(i_sentinel_import)
queue_import.wait()
grass.run_command('g.remove', type='region', name=currentregion, flags='f')
# verify that switching the mapset worked
env = grass.gisenv()
gisdbase = env['GISDBASE']
location = env['LOCATION_NAME']
cur_mapset = env['MAPSET']
if cur_mapset != start_cur_mapset:
grass.fatal("New mapset is <%s>, but should be <%s>" %
(cur_mapset, start_cur_mapset))
# copy maps to current mapset
maplist = []
cloudlist = []
for new_mapset in mapsetids:
for vect in grass.parse_command('g.list',
type='vector',
mapset=new_mapset):
cloudlist.append(vect)
grass.run_command('g.copy',
vector=vect + '@' + new_mapset + ',' + vect)
for rast in grass.parse_command('g.list',
type='raster',
mapset=new_mapset):
maplist.append(rast)
grass.run_command('g.copy',
raster=rast + '@' + new_mapset + ',' + rast)
grass.utils.try_rmdir(os.path.join(gisdbase, location, new_mapset))
# space time dataset
grass.message(_("Creating STRDS of Sentinel scenes ..."))
if options['strds_output']:
strds = options['strds_output']
grass.run_command('t.create',
output=strds,
title="Sentinel-2",
desc="Sentinel-2",
quiet=True)
# check GRASS version
g79_or_higher = False
gversion = grass.parse_command("g.version", flags="g")["version"]
gversion_base = gversion.split(".")[:2]
gversion_base_int = tuple([int(a) for a in gversion_base])
if gversion_base_int >= tuple((7, 9)):
g79_or_higher = True
# create register file
registerfile = grass.tempfile()
file = open(registerfile, 'w')
for imp_rast in list(set(maplist)):
band_str_tmp1 = imp_rast.split("_")[2]
band_str = band_str_tmp1.replace("B0", "").replace("B", "")
date_str1 = imp_rast.split('_')[1].split('T')[0]
date_str2 = "%s-%s-%s" % (date_str1[:4], date_str1[4:6],
date_str1[6:])
time_str = imp_rast.split('_')[1].split('T')[1]
clock_str2 = "%s:%s:%s" % (time_str[:2], time_str[2:4],
time_str[4:])
write_str = "%s|%s %s" % (imp_rast, date_str2, clock_str2)
if g79_or_higher is True:
write_str += "|S2_%s" % band_str
file.write("%s\n" % write_str)
file.close()
grass.run_command('t.register',
input=strds,
file=registerfile,
quiet=True)
# remove registerfile
grass.try_remove(registerfile)
if flags['c']:
stvdsclouds = strds + '_clouds'
grass.run_command('t.create',
output=stvdsclouds,
title="Sentinel-2 clouds",
desc="Sentinel-2 clouds",
quiet=True,
type='stvds')
registerfileclouds = grass.tempfile()
fileclouds = open(registerfileclouds, 'w')
for imp_clouds in cloudlist:
date_str1 = imp_clouds.split('_')[1].split('T')[0]
date_str2 = "%s-%s-%s" % (date_str1[:4], date_str1[4:6],
date_str1[6:])
time_str = imp_clouds.split('_')[1].split('T')[1]
clock_str2 = "%s:%s:%s" % (time_str[:2], time_str[2:4],
time_str[4:])
fileclouds.write("%s|%s %s\n" %
(imp_clouds, date_str2, clock_str2))
fileclouds.close()
grass.run_command('t.register',
type='vector',
input=stvdsclouds,
file=registerfileclouds,
quiet=True)
grass.message("<%s> is created" % (stvdsclouds))
# remove registerfile
grass.try_remove(registerfileclouds)
# extract strds for each band
bands = []
pattern = options['pattern']
if "(" in pattern:
global beforebrackets, afterbrackets
beforebrackets = re.findall(r"(.*?)\(", pattern)[0]
inbrackets = re.findall(r"\((.*?)\)", pattern)[0]
afterbrackets = re.findall(r"\)(.*)", pattern)[0]
bands = [
"%s%s%s" % (beforebrackets, x, afterbrackets)
for x in inbrackets.split('|')
]
else:
bands = pattern.split('|')
for band in bands:
if flags['i'] and ('20' in band or '60' in band):
band.replace('20', '10').replace('60', '10')
grass.run_command('t.rast.extract',
input=strds,
where="name like '%" + band + "%'",
output="%s_%s" % (strds, band),
quiet=True)
grass.message("<%s_%s> is created" % (strds, band))
class GridModule(object):
# TODO maybe also i.* could be supported easily
"""Run GRASS raster commands in a multiprocessing mode.
:param cmd: raster GRASS command, only command staring with r.* are valid.
:type cmd: str
:param width: width of the tile, in pixel
:type width: int
:param height: height of the tile, in pixel.
:type height: int
:param overlap: overlap between tiles, in pixel.
:type overlap: int
:param processes: number of threads, default value is equal to the number
of processor available.
:param split: if True use r.tile to split all the inputs.
:type split: bool
:param run_: if False only instantiate the object
:type run_: bool
:param args: give all the parameters to the command
:param kargs: give all the parameters to the command
>>> grd = GridModule('r.slope.aspect',
... width=500, height=500, overlap=2,
... processes=None, split=False,
... elevation='elevation',
... slope='slope', aspect='aspect', overwrite=True)
>>> grd.run()
"""
def __init__(self, cmd, width=None, height=None, overlap=0, processes=None,
split=False, debug=False, region=None, move=None, log=False,
start_row=0, start_col=0, out_prefix='',
*args, **kargs):
kargs['run_'] = False
self.mset = Mapset()
self.module = Module(cmd, *args, **kargs)
self.width = width
self.height = height
self.overlap = overlap
self.processes = processes
self.region = region if region else Region()
self.start_row = start_row
self.start_col = start_col
self.out_prefix = out_prefix
self.log = log
self.move = move
self.gisrc_src = os.environ['GISRC']
self.n_mset, self.gisrc_dst = None, None
if self.move:
self.n_mset = copy_mapset(self.mset, self.move)
self.gisrc_dst = write_gisrc(self.n_mset.gisdbase,
self.n_mset.location,
self.n_mset.name)
rasters = [r for r in select(self.module.inputs, 'raster')]
if rasters:
copy_rasters(rasters, self.gisrc_src, self.gisrc_dst,
region=self.region)
vectors = [v for v in select(self.module.inputs, 'vector')]
if vectors:
copy_vectors(vectors, self.gisrc_src, self.gisrc_dst)
groups = [g for g in select(self.module.inputs, 'group')]
if groups:
copy_groups(groups, self.gisrc_src, self.gisrc_dst,
region=self.region)
self.bboxes = split_region_tiles(region=region,
width=width, height=height,
overlap=overlap)
self.msetstr = cmd.replace('.', '') + "_%03d_%03d"
self.inlist = None
if split:
self.split()
self.debug = debug
def __del__(self):
if self.gisrc_dst:
# remove GISRC file
os.remove(self.gisrc_dst)
def clean_location(self, location=None):
"""Remove all created mapsets.
:param location: a Location instance where we are running the analysis
:type location: Location object
"""
if location is None:
if self.n_mset:
self.n_mset.current()
location = Location()
mapsets = location.mapsets(self.msetstr.split('_')[0] + '_*')
for mset in mapsets:
Mapset(mset).delete()
if self.n_mset and self.n_mset.is_current():
self.mset.current()
def split(self):
"""Split all the raster inputs using r.tile"""
rtile = Module('r.tile')
inlist = {}
for inm in select(self.module.inputs, 'raster'):
rtile(input=inm.value, output=inm.value,
width=self.width, height=self.height,
overlap=self.overlap)
patt = '%s-*' % inm.value
inlist[inm.value] = sorted(self.mset.glist(type='rast',
pattern=patt))
self.inlist = inlist
def get_works(self):
"""Return a list of tuble with the parameters for cmd_exe function"""
works = []
reg = Region()
if self.move:
mdst, ldst, gdst = read_gisrc(self.gisrc_dst)
else:
ldst, gdst = self.mset.location, self.mset.gisdbase
cmd = self.module.get_dict()
groups = [g for g in select(self.module.inputs, 'group')]
for row, box_row in enumerate(self.bboxes):
for col, box in enumerate(box_row):
inms = None
if self.inlist:
inms = {}
cols = len(box_row)
for key in self.inlist:
indx = row * cols + col
inms[key] = "%s@%s" % (self.inlist[key][indx],
self.mset.name)
# set the computational region, prepare the region parameters
bbox = dict([(k[0], str(v)) for k, v in box.items()[:-2]])
bbox['nsres'] = '%f' % reg.nsres
bbox['ewres'] = '%f' % reg.ewres
new_mset = self.msetstr % (self.start_row + row,
self.start_col + col),
works.append((bbox, inms,
self.gisrc_src,
write_gisrc(gdst, ldst, new_mset),
cmd, groups))
return works
def define_mapset_inputs(self):
"""Add the mapset information to the input maps
"""
for inmap in self.module.inputs:
inm = self.module.inputs[inmap]
if inm.type in ('raster', 'vector') and inm.value:
if '@' not in inm.value:
mset = get_mapset_raster(inm.value)
inm.value = inm.value + '@%s' % mset
def run(self, patch=True, clean=True):
"""Run the GRASS command
:param patch: set False if you does not want to patch the results
:type patch: bool
:param clean: set False if you does not want to remove all the stuff
created by GridModule
:type clean: bool
"""
self.module.flags.overwrite = True
self.define_mapset_inputs()
if self.debug:
for wrk in self.get_works():
cmd_exe(wrk)
else:
pool = mltp.Pool(processes=self.processes)
result = pool.map_async(cmd_exe, self.get_works())
result.wait()
if not result.successful():
raise RuntimeError(_("Execution of subprocesses was not successful"))
if patch:
if self.move:
os.environ['GISRC'] = self.gisrc_dst
self.n_mset.current()
self.patch()
os.environ['GISRC'] = self.gisrc_src
self.mset.current()
# copy the outputs from dst => src
routputs = [self.out_prefix + o
for o in select(self.module.outputs, 'raster')]
copy_rasters(routputs, self.gisrc_dst, self.gisrc_src)
else:
self.patch()
if self.log:
# record in the temp directory
from grass.lib.gis import G_tempfile
tmp, dummy = os.path.split(G_tempfile())
tmpdir = os.path.join(tmp, self.module.name)
for k in self.module.outputs:
par = self.module.outputs[k]
if par.typedesc == 'raster' and par.value:
dirpath = os.path.join(tmpdir, par.name)
if not os.path.isdir(dirpath):
os.makedirs(dirpath)
fil = open(os.path.join(dirpath,
self.out_prefix + par.value), 'w+')
fil.close()
if clean:
self.clean_location()
self.rm_tiles()
if self.n_mset:
gisdbase, location = os.path.split(self.move)
self.clean_location(Location(location, gisdbase))
# rm temporary gis_rc
os.remove(self.gisrc_dst)
self.gisrc_dst = None
sht.rmtree(os.path.join(self.move, 'PERMANENT'))
sht.rmtree(os.path.join(self.move, self.mset.name))
def patch(self):
"""Patch the final results."""
bboxes = split_region_tiles(width=self.width, height=self.height)
loc = Location()
mset = loc[self.mset.name]
mset.visible.extend(loc.mapsets())
for otmap in self.module.outputs:
otm = self.module.outputs[otmap]
if otm.typedesc == 'raster' and otm.value:
rpatch_map(otm.value,
self.mset.name, self.msetstr, bboxes,
self.module.flags.overwrite,
self.start_row, self.start_col, self.out_prefix)
def rm_tiles(self):
"""Remove all the tiles."""
# if split, remove tiles
if self.inlist:
grm = Module('g.remove')
for key in self.inlist:
grm(flags='f', type='rast', pattern=self.inlist[key])
def isTableExists(name):
res = Module('db.tables', flags='p', stdout_=PIPE)
for line in res.outputs.stdout.splitlines():
if name == line:
return True
return False