def lddcreate_save(
lddname,
dem,
force,
corevolume=1e35,
catchmentprecipitation=1e35,
corearea=1e35,
outflowdepth=1e35,
):
"""
Creates an ldd if a file does not exists or if the force flag is used
input:
- lddname (name of the ldd to create)
- dem (actual dem)
- force (boolean to force recreation of the ldd)
- outflowdepth (set to 10.0E35 normally but smaller if needed)
Output:
- the LDD
"""
if os.path.exists(lddname) and not force:
if Verbose:
print(("Returning existing ldd", lddname))
return pcr.readmap(lddname)
else:
if Verbose:
print(("Creating ldd", lddname))
LDD = pcr.lddcreate(dem, 10.0e35, outflowdepth, 10.0e35, 10.0e35)
pcr.report(LDD, lddname)
return LDD
def lddcreate_save(
lddname,
dem,
force,
corevolume=1e35,
catchmentprecipitation=1e35,
corearea=1e35,
outflowdepth=1e35,
):
"""
Creates an ldd if a file does not exists or if the force flag is used
input:
- lddname (name of the ldd to create)
- dem (actual dem)
- force (boolean to force recreation of the ldd)
- outflowdepth (set to 10.0E35 normally but smaller if needed)
Output:
- the LDD
"""
if os.path.exists(lddname) and not force:
if Verbose:
print(("Returning existing ldd", lddname))
return pcr.readmap(lddname)
else:
if Verbose:
print(("Creating ldd", lddname))
LDD = pcr.lddcreate(dem, 10.0e35, outflowdepth, 10.0e35, 10.0e35)
pcr.report(LDD, lddname)
return LDD
def pcr_preprocess(dem_in, x, y, itile, tempdir, ldd_in=None,
test=False, create_ldd=True):
"""
function to set pcr clone and translate DEM (terrain) and ldd numpy 2d arrays to pcr maps
:param terrain: masked numpy 2d array with elevation data
:param x: numpy 1d array with x coordinates of elevation grid
:param y: numpy 1d array with Y coordinates of elevation grid
:param tempdir: string with directory to temporary save clone pcrmap
:param ldd: numpy 2d array with ldd grid, make sure it uses the pcrmap definition of ldd
:param test: if True do not remove clone maps
:return: pcr maps for dem and ldd
"""
# create clone in temp_dir
fn_clone = os.path.join(tempdir, '_{:03d}_dem.map'.format(itile))
cl.makeDir(tempdir) # make dir if not exist
# DEM
gdal_writemap(fn_clone, 'PCRaster', x, y, dem_in, -9999) # note: missing value needs conversion in python item
pcr.setclone(fn_clone)
pcr.setglobaloption("unitcell")
dem = pcr.readmap(fn_clone)
# cleanup
if not test:
os.unlink(fn_clone) # cleanup clone file
os.unlink(fn_clone+'.aux.xml')
# LDD
if create_ldd:
if ldd_in is None:
print('Calculating LDD')
ldd = pcr.lddcreate(dem, 1E31, 1E31, 1E31, 1E31)
else:
# TODO note that np.nan is default NoDataValue for ldd file. check this when reading data
# TODO: x and y axis got mixed up when translating with numpy2pcr. check if it works here!
# in process_tile function in coastal_inun.py
ldd = pcr.lddrepair(pcr.ldd(pcr.numpy2pcr(pcr.Ldd, ldd_in, np.nan)))
else:
ldd = None
return dem, ldd
else:
print 'file ' + ldd_map + ' does not exist'
print 'new ldd will be generated'
if generateldd:
print 'Generating ldd...'
if burndem:
linescover = pcr.ifthen(lines==1,pcr.scalar(0))
pointscover = pcr.ifthen(pcr.scalar(points)==1,pcr.scalar(0))
#pcr.report(linescover,'lines.map')
#pcr.report(pointscover,'points.map')
dem = pcr.cover(dem,linescover,pointscover)
#pcr.report(dem,'dem1.map')
dem = dem + burn
#pcr.report(dem,'dem2.map')
ldd = pcr.lddcreate(dem,float("1E35"),float("1E35"),float("1E35"),float("1E35"))
else:
ldd = pcr.lddcreate(dem,burnvalue/2,float("1E35"),float("1E35"),float("1E35"))
streamorder = pcr.ordinal(pcr.streamorder(ldd))
river = pcr.boolean(pcr.ifthen(streamorder >= int(min(np.max(pcr.pcr2numpy(streamorder,-9999)),minorder)), streamorder))
outlets = pcr.ifthen(pcr.ordinal(ldd) == 5, pcr.boolean(1))
outlets = pcr.nominal(pcr.uniqueid(outlets))
catchments = pcr.nominal(pcr.catchment(ldd, outlets))
if not keepall:
catchments = pcr.nominal(pcr.ifthen(pcr.mapmaximum(pcr.areatotal(pcr.scalar(catchments)*0+1,pcr.nominal(catchments))) == pcr.areatotal(pcr.scalar(catchments)*0+1,pcr.nominal(catchments)),catchments))
pcr.report(ldd,ldd_map)
pcr.report(streamorder,streamorder_map)
pcr.report(river,river_map)
def generate_hydro_datasets(path, output_dir, step):
print(path)
file_name = os.path.splitext(os.path.basename(path))[0]
map_path = output_dir + '/' + file_name + '.map'
path_prefix = map_path[:-14]
if step == 'ldd':
cmd = u'gdal_translate -a_nodata -9999 -of PCRaster -ot Float32 ' + path + ' ' + map_path
print(cmd)
subprocess.call(cmd, shell=True)
# slope = pcr.slope(dem)
# pcr.report(slope, path_prefix + '_slope.map')
# pcr.setglobaloption("lddin")
if step == 'ldd':
dem = pcr.readmap(map_path)
print("Computing LDD ...")
# enable pit filling
ldd = pcr.lddcreate(dem, 9999999, 9999999, 9999999, 9999999)
pcr.report(ldd, path_prefix + '_ldd.map')
return
elif step == 'ldddem':
dem = pcr.readmap(map_path)
print("Computing LDD DEM ...")
dem_pitfilled = pcr.lddcreatedem(dem, 9999999, 9999999, 9999999,
9999999)
dem_diff = dem_pitfilled - dem
pcr.report(dem_diff, path_prefix + '_dem_pits_diff.map')
return
# print("Computing LDD without pit filling ...")
# ldd_pits = pcr.lddcreate(dem, 0, 0, 0, 0)
# pcr.report(ldd_pits, path_prefix + '_ldd_with_pits.map')
# print("Computing pits ...")
# pits = pcr.pit(ldd_pits)
# pcr.report(pits, path_prefix + '_pits.map')
if step == 'fa':
ldd = pcr.readmap(path_prefix + '_ldd.map')
print("Computing flow accumulation ...")
fa = pcr.accuflux(ldd, 1)
pcr.report(fa, path_prefix + '_fa.map')
return
if step == 'catchments':
ldd = pcr.readmap(path_prefix + '_ldd.map')
print("Delineating catchments ...")
catchments = pcr.catchment(ldd, pcr.pit(ldd))
pcr.report(catchments, path_prefix + '_catchments.map')
return
if step == 'stream_order':
ldd = pcr.readmap(path_prefix + '_ldd.map')
print("Computing stream order ...")
stream_order = pcr.streamorder(ldd)
pcr.report(stream_order, path_prefix + '_streamorder.map')
return
if step == 'stream':
ldd = pcr.readmap(path_prefix + '_ldd.map')
accuThreshold = 100
print("Computing stream ...")
stream = pcr.ifthenelse(
pcr.accuflux(ldd, 1) >= accuThreshold, pcr.boolean(1),
pcr.boolean(0))
pcr.report(stream, path_prefix + '_stream.map')
return
if step == 'height_river':
print("Computing heigh_river ...")
stream = pcr.readmap(path_prefix + '_stream.map')
dem = pcr.readmap(map_path)
height_river = pcr.ifthenelse(stream, pcr.ordinal(dem), 0)
pcr.report(height_river, path_prefix + '_height_river.map')
return
if step == 'up_elevation':
print("Computing up_elevation ...")
height_river = pcr.readmap(path_prefix + '_height_river.map')
ldd = pcr.readmap(path_prefix + '_ldd.map')
up_elevation = pcr.scalar(pcr.subcatchment(ldd, height_river))
pcr.report(up_elevation, path_prefix + '_up_elevation.map')
return
if step == 'hand':
print("Computing HAND ...")
dem = pcr.readmap(map_path)
up_elevation = pcr.readmap(path_prefix + '_up_elevation.map')
hand = pcr.max(dem - up_elevation, 0)
pcr.report(hand, path_prefix + '_hand.map')
return
if step == 'dand':
print("Computing DAND ...")
ldd = pcr.readmap(path_prefix + '_ldd.map')
stream = pcr.readmap(path_prefix + '_stream.map')
dist = pcr.ldddist(ldd, stream, 1)
pcr.report(dist, path_prefix + '_dist.map')
return
if step == 'fa_river':
print("Computing FA river ...")
fa = pcr.readmap(path_prefix + '_fa.map')
stream = pcr.readmap(path_prefix + '_stream.map')
fa_river = pcr.ifthenelse(stream, pcr.ordinal(fa), 0)
pcr.report(fa_river, path_prefix + '_fa_river.map')
return
if step == 'faand':
print("Computing FAAND ...")
fa_river = pcr.readmap(path_prefix + '_fa_river.map')
ldd = pcr.readmap(path_prefix + '_ldd.map')
up_fa = pcr.scalar(pcr.subcatchment(ldd, fa_river))
pcr.report(up_fa, path_prefix + '_faand.map')
return
from rasterio.plot import show_hist
from rasterio.mask import mask
import pycrs
dem = 'D:/Chinmay/Hydro_modeling_erin_fall_2018/sp_model/dem.map'
output_path = 'D:/Chinmay/Hydro_modeling_erin_fall_2018/sp_model/'
pcr.setclone(dem)
slope = pcr.slope(dem)
pcr.report(slope, output_path + "gradient.map")
ldd = pcr.lddcreate(dem, 1e31, 1e31, 1e31, 1e31)
pcr.report(ldd, output_path + "ldd.map")
#############################################################################
#def downloadDEM(url):
#
# """The function downloads the DEM from the given url
# (In this case National Elevation Dataset, USGS.) """
# # Translate url into a filename
# filename = url.rsplit('/', 1)[-1]
# if not os.path.exists(filename):
# outfile = urllib.URLopener()
# print "..............downloading dem.............."
# dem = outfile.retrieve(url, filename)
# print "..............done downloading.............."
catchclip_map = workdir + "catchments_clip.map"
pcr.report(rivercatch, rivercatch_map)
pcr.report(catchments, catchclip_map)
ds = ogr.Open(workdir + "temp.shp")
lyr = ds.GetLayerByName("temp")
print 'calculating ldd'
for i in range(lyr.GetFeatureCount()):
feature = lyr.GetFeature(i)
catch = int(feature.GetField("ID"))
print "calculating ldd for catchment: " + str(i + 1) + "/" + str(
lyr.GetFeatureCount()) + "...."
ldddem_select = pcr.scalar(pcr.ifthen(catchments == catch,
catchments)) * 0 + 1 * ldddem
ldd_select = pcr.lddcreate(ldddem_select, float("1E35"), float("1E35"),
float("1E35"), float("1E35"))
ldd = pcr.cover(ldd, ldd_select)
pcr.report(ldd, resultdir + ldd_map)
ds.Destroy()
''' report stream order, river and dem '''
streamorder = pcr.ordinal(pcr.streamorder(ldd))
river = pcr.ifthen(streamorder >= pcr.ordinal(minorder), pcr.boolean(1))
mindem = int(np.min(pcr.pcr2numpy(pcr.ordinal(dem_resample_map), 9999999)))
dem_resample_map = pcr.cover(dem_resample_map, pcr.scalar(river) * 0 + mindem)
pcr.report(dem_resample_map, resultdir + dem_map)
pcr.report(streamorder, resultdir + streamorder_map)
pcr.report(river, resultdir + river_map)
''' deal with your catchments '''
if gaugeshp == None:
print 'No gauges defined, using outlets instead'
gauges = pcr.ordinal(
def main():
clone_map = "mask\mask.map"
clone_shp = "mask\mask.shp"
clone_prj = "mask\mask.prj"
workdir = "work\\"
resultdir = "staticmaps\\"
''' read commandline arguments '''
argv = sys.argv
clone_EPSG = False
try:
opts, args = getopt.getopt(argv[1:], 'i:g:p:r:c:d:l:s:CA')
except getopt.error:
print 'fout'
Usage()
sys.exit(1)
inifile = None
rivshp = None
catchshp = None
dem_in = None
landuse = None
soiltype = None
clean = False
gaugeshp = None
alltouching = False
for o, a in opts:
if o == '-i': inifile = a
if o == '-p': clone_EPSG = 'EPSG:' + a
if o == '-r': rivshp = a
if o == '-c': catchshp = a
if o == '-d': dem_in = a
if o == '-l': landuse = a
if o == '-s': soiltype = a
if o == '-C': clean = True
if o == '-g': gaugeshp = a
if o == '-A': alltouching = True
if inifile == None or rivshp == None or catchshp == None or dem_in == None:
print 'the following files are compulsory:'
print ' - ini-file'
print ' - DEM (raster)'
print ' - river (shape)'
print ' - catchment (shape)'
Usage()
sys.exit(1)
if landuse == None:
print 'no raster with landuse classifications is specified. 1 class will be applied for the entire domain'
if soiltype == None:
print 'no raster with soil classifications is specified. 1 class will be applied for the entire domain'
''' read mask '''
if not os.path.exists(clone_map):
print 'Mask not found. Make sure the file mask\mask.map exists'
print 'This file is usually created with the CreateGrid script'
sys.exit(1)
else:
pcr.setclone(clone_map)
ds = gdal.Open(clone_map, GA_ReadOnly)
clone_trans = ds.GetGeoTransform()
cellsize = clone_trans[1]
clone_rows = ds.RasterYSize
clone_columns = ds.RasterXSize
extent_mask = [
clone_trans[0], clone_trans[3] - ds.RasterYSize * cellsize,
clone_trans[0] + ds.RasterXSize * cellsize, clone_trans[3]
]
xmin, ymin, xmax, ymax = map(str, extent_mask)
ds = None
ones = pcr.scalar(pcr.readmap(clone_map))
zeros = ones * 0
empty = pcr.ifthen(ones == 0, pcr.scalar(0))
''' read projection from mask.shp '''
# TODO: check how to deal with projections (add .prj to mask.shp in creategrid)
if not os.path.exists(clone_prj):
print 'please add prj-file to mask.shp'
sys.exit(1)
if os.path.exists(clone_shp):
ds = ogr.Open(clone_shp)
file_att = os.path.splitext(os.path.basename(clone_shp))[0]
lyr = ds.GetLayerByName(file_att)
spatialref = lyr.GetSpatialRef()
if not spatialref == None:
srs_clone = osr.SpatialReference()
srs_clone.ImportFromWkt(spatialref.ExportToWkt())
srs_clone.AutoIdentifyEPSG()
unit_clone = False
unit_clone = srs_clone.GetAttrValue('UNIT').lower()
#clone_EPSG = 'EPSG:'+srs_clone.GetAttrValue("AUTHORITY",1)
# TODO: fix hard EPSG code below
clone_EPSG = 'EPSG:' + '4167'
print 'EPSG-code is read from mask.shp: ' + clone_EPSG
spatialref == None
if not clone_EPSG:
print 'EPSG-code cannot be read from mask.shp'
print 'please add prj-file to mask.shp or specify on command line'
print 'e.g. -p EPSG:4326 (for WGS84 lat lon projection)'
ds = None
clone_EPSG_int = int(clone_EPSG[5:len(clone_EPSG)])
''' open config-file '''
config = wt.OpenConf(inifile)
''' read settings '''
snapgaugestoriver = bool(
int(wt.configget(config, "settings", "snapgaugestoriver", "1")))
burnalltouching = bool(
int(wt.configget(config, "settings", "burncatchalltouching", "1")))
burninorder = bool(
int(wt.configget(config, "settings", "burncatchalltouching", "0")))
verticetollerance = float(
wt.configget(config, "settings", "vertice_tollerance", "0.0001"))
''' read parameters '''
burn_outlets = int(
wt.configget(config, "parameters", "burn_outlets", 10000))
burn_rivers = int(wt.configget(config, "parameters", "burn_rivers", 200))
burn_connections = int(
wt.configget(config, "parameters", "burn_connections", 100))
burn_gauges = int(wt.configget(config, "parameters", "burn_gauges", 100))
minorder = int(wt.configget(config, "parameters", "riverorder_min", 3))
exec "percentile=tr.array(" + wt.configget(config, "parameters",
"statisticmaps", [0, 100]) + ")"
if not unit_clone:
print 'failed to read unit (meter or degree) from mask projection'
unit_clone = str(wt.configget(config, "settings", "unit", 'meter'))
print 'unit read from settings: ' + unit_clone
if unit_clone == 'degree':
cellsize_hr = float(
wt.configget(config, "parameters", "highres_degree", 0.0005))
elif (unit_clone == 'metre') or (unit_clone == 'meter'):
cellsize_hr = float(
wt.configget(config, "parameters", "highres_metre", 50))
cols_hr = int((float(xmax) - float(xmin)) / cellsize_hr + 2)
rows_hr = int((float(ymax) - float(ymin)) / cellsize_hr + 2)
hr_trans = (float(xmin), cellsize_hr, float(0), float(ymax), 0,
-cellsize_hr)
''' read staticmap locations '''
catchment_map = wt.configget(config, "staticmaps", "catchment",
"wflow_catchment.map")
dem_map = wt.configget(config, "staticmaps", "dem", "wflow_dem.map")
demmax_map = wt.configget(config, "staticmaps", "demmax",
"wflow_demmax.map")
demmin_map = wt.configget(config, "staticmaps", "demmin",
"wflow_demmin.map")
gauges_map = wt.configget(config, "staticmaps", "gauges",
"wflow_gauges.map")
landuse_map = wt.configget(config, "staticmaps", "landuse",
"wflow_landuse.map")
ldd_map = wt.configget(config, "staticmaps", "ldd", "wflow_ldd.map")
river_map = wt.configget(config, "staticmaps", "river", "wflow_river.map")
outlet_map = wt.configget(config, "staticmaps", "outlet",
"wflow_outlet.map")
riverlength_fact_map = wt.configget(config, "staticmaps",
"riverlength_fact",
"wflow_riverlength_fact.map")
soil_map = wt.configget(config, "staticmaps", "soil", "wflow_soil.map")
streamorder_map = wt.configget(config, "staticmaps", "streamorder",
"wflow_streamorder.map")
subcatch_map = wt.configget(config, "staticmaps", "subcatch",
"wflow_subcatch.map")
''' read mask location (optional) '''
masklayer = wt.configget(config, "mask", "masklayer", catchshp)
''' create directories '''
if os.path.isdir(workdir):
shutil.rmtree(workdir)
os.makedirs(workdir)
if os.path.isdir(resultdir):
shutil.rmtree(resultdir)
os.makedirs(resultdir)
''' Preperation steps '''
zero_map = workdir + "zero.map"
zero_tif = workdir + "zero.tif"
pcr.report(zeros, zero_map)
# TODO: replace gdal_translate call
call(('gdal_translate', '-of', 'GTiff', '-a_srs', clone_EPSG, '-ot',
'Float32', zero_map, zero_tif))
pcr.setglobaloption("lddin")
''' resample DEM '''
dem_resample = workdir + "dem_resampled.tif"
ds = gdal.Open(dem_in, GA_ReadOnly)
band = ds.GetRasterBand(1)
nodata = band.GetNoDataValue()
proj = ds.GetGeoTransform()
cellsize_dem = proj[1]
''' read DEM projection '''
spatialref == None
spatialref = ds.GetProjection()
if not spatialref == None:
srs = osr.SpatialReference()
srs.ImportFromWkt(spatialref)
srs.AutoIdentifyEPSG()
dem_EPSG = 'EPSG:' + srs.GetAttrValue("AUTHORITY", 1)
print 'EPSG-code is read from ' + os.path.basename(
dem_in) + ': ' + dem_EPSG
spatialref == None
dem_EPSG_int = int(dem_EPSG[5:len(dem_EPSG)])
srs_DEM = osr.SpatialReference()
srs_DEM.ImportFromEPSG(dem_EPSG_int)
clone2dem_transform = osr.CoordinateTransformation(srs_clone, srs_DEM)
else:
dem_EPSG = clone_EPSG
print 'No projection defined for ' + os.path.basename(dem_in)
print 'Assumed to be the same as model projection (' + clone_EPSG + ')'
ds = None
print 'Resampling DEM...'
if nodata == None:
call(('gdalwarp', '-overwrite', '-t_srs', clone_prj, '-te', xmin, ymin,
xmax, ymax, '-tr', str(cellsize), str(-cellsize), '-dstnodata',
str(-9999), '-r', 'cubic', dem_in, dem_resample))
else:
call(('gdalwarp', '-overwrite', '-t_srs', clone_prj,
'-te', xmin, ymin, xmax, ymax, '-tr', str(cellsize),
str(-cellsize), '-srcnodata', str(nodata), '-dstnodata',
str(nodata), '-r', 'cubic', dem_in, dem_resample))
''' create dem.map and statistic maps '''
dem_resample_map = resultdir + dem_map
call(('gdal_translate', '-of', 'PCRaster', '-a_srs', clone_EPSG, '-ot',
'Float32', dem_resample, dem_resample_map))
print 'Computing DEM statistics ....'
stats = wt.windowstats(dem_in, clone_rows, clone_columns, clone_trans,
srs_clone, resultdir, percentile)
''' burn DEM '''
ds = ogr.Open(rivshp)
file_att = os.path.splitext(os.path.basename(rivshp))[0]
lyr = ds.GetLayerByName(file_att)
spatialref = lyr.GetSpatialRef()
# if not spatialref == None:
# srs = osr.SpatialReference()
# srs.ImportFromWkt(spatialref.ExportToWkt())
# srs.AutoIdentifyEPSG()
# rivshp_EPSG = 'EPSG:'+srs.GetAttrValue("AUTHORITY",1)
# spatialref == None
# else:
rivshp_EPSG = clone_EPSG
print 'No projection defined for ' + file_att + '.shp'
print 'Assumed to be the same as model projection (' + clone_EPSG + ')'
# strip rivers to nodes
xminc = str(float(xmin) + 0.5 * cellsize)
yminc = str(float(ymin) + 0.5 * cellsize)
xmaxc = str(float(xmax) - 0.5 * cellsize)
ymaxc = str(float(ymax) - 0.5 * cellsize)
if rivshp_EPSG == clone_EPSG:
rivclipshp = workdir + 'rivshape_clip.shp'
call(('ogr2ogr', '-s_srs', clone_EPSG, '-t_srs', clone_EPSG, '-spat',
xmin, ymin, xmax, ymax, '-clipsrc', xminc, yminc, xmaxc, ymaxc,
rivclipshp, rivshp))
else:
rivprojshp = workdir + 'rivshape_proj.shp'
rivclipshp = workdir + 'rivshape_clip.shp'
call(('ogr2ogr', '-s_srs', rivshp_EPSG, '-t_srs', clone_EPSG, '-spat',
xmin, ymin, xmax, ymax, rivprojshp, rivshp))
call(('ogr2ogr', '-s_srs', clone_EPSG, '-t_srs', clone_EPSG, '-spat',
xmin, ymin, xmax, ymax, '-clipsrc', xminc, yminc, xmaxc, ymaxc,
rivclipshp, rivprojshp))
rivshp = rivclipshp
#### BURNING BELOW ####
# TODO: check if extraction can be done within memory and retun a burn layer
shapes = wt.Reach2Nodes(rivclipshp, clone_EPSG_int,
cellsize * verticetollerance, workdir)
outlets = shapes[1]
connections = shapes[2]
outlets_att = os.path.splitext(os.path.basename(outlets))[0]
connections_att = os.path.splitext(os.path.basename(connections))[0]
dem_resample_att = os.path.splitext(os.path.basename(dem_resample))[0]
connections_tif = workdir + connections_att + ".tif"
outlets_tif = workdir + outlets_att + ".tif"
# TODO: make the burning in memory
call(('gdal_translate', '-of', 'GTiff', '-a_srs', clone_EPSG, '-ot',
'Float32', zero_map, connections_tif))
call(('gdal_translate', '-of', 'GTiff', '-a_srs', clone_EPSG, '-ot',
'Float32', zero_map, outlets_tif))
call(('gdal_rasterize', '-burn', '1', '-l', outlets_att, outlets,
outlets_tif))
call(('gdal_rasterize', '-burn', '1', '-l', connections_att, connections,
connections_tif))
# convert rivers to order
rivshp_att = os.path.splitext(os.path.basename(rivshp))[0]
rivers_tif = workdir + rivshp_att + ".tif"
call(('gdal_translate', '-of', 'GTiff', '-a_srs', clone_EPSG, '-ot',
'Float32', zero_map, rivers_tif))
if burninorder: # make river shape with an order attribute
OrderSHPs = wt.ReachOrder(rivshp, clone_EPSG_int,
cellsize * verticetollerance, workdir)
wt.Burn2Tif(OrderSHPs, 'order', rivers_tif)
else:
call(('gdal_rasterize', '-burn', '1', '-l', rivshp_att, rivshp,
rivers_tif))
# convert 2 maps
connections_map = workdir + connections_att + ".map"
rivers_map = workdir + rivshp_att + ".map"
outlets_map = workdir + outlets_att + ".map"
call(('gdal_translate', '-of', 'PCRaster', '-a_srs', clone_EPSG, '-ot',
'Float32', connections_tif, connections_map))
call(('gdal_translate', '-of', 'PCRaster', '-a_srs', clone_EPSG, '-ot',
'Float32', rivers_tif, rivers_map))
call(('gdal_translate', '-of', 'PCRaster', '-a_srs', clone_EPSG, '-ot',
'Float32', outlets_tif, outlets_map))
# burn the layers in DEM
outletsburn = pcr.scalar(
pcr.readmap(outlets_map)) * pcr.scalar(burn_outlets)
connectionsburn = pcr.scalar(
pcr.readmap(connections_map)) * pcr.scalar(burn_connections)
riverburn = pcr.scalar(pcr.readmap(rivers_map)) * pcr.scalar(burn_rivers)
ldddem = pcr.cover(dem_resample_map,
pcr.ifthen(riverburn > 0, pcr.scalar(0)))
ldddem = ldddem - outletsburn - connectionsburn - riverburn
ldddem = pcr.cover(ldddem, pcr.scalar(0))
pcr.report(ldddem, workdir + "dem_burn.map")
''' create ldd for multi-catchments '''
ldd = pcr.ldd(empty)
# reproject catchment shape-file
ds = ogr.Open(catchshp)
file_att = os.path.splitext(os.path.basename(catchshp))[0]
lyr = ds.GetLayerByName(file_att)
spatialref = lyr.GetSpatialRef()
# if not spatialref == None:
# srs = osr.SpatialReference()
# srs.ImportFromWkt(spatialref.ExportToWkt())
# srs.AutoIdentifyEPSG()
# catchshp_EPSG = 'EPSG:'+srs.GetAttrValue("AUTHORITY",1)
# spatialref == None
# else:
catchshp_EPSG = clone_EPSG
print 'No projection defined for ' + file_att + '.shp'
print 'Assumed to be the same as model projection (' + clone_EPSG + ')'
if not rivshp_EPSG == clone_EPSG:
catchprojshp = workdir + 'catchshape_proj.shp'
call(('ogr2ogr', '-s_srs', catchshp_EPSG, '-t_srs', clone_ESPG,
catchprojshp, catchshp))
catchshp = catchprojshp
ds.Destroy()
ds = ogr.Open(catchshp)
file_att = os.path.splitext(os.path.basename(catchshp))[0]
lyr = ds.GetLayerByName(file_att)
fieldDef = ogr.FieldDefn("ID", ogr.OFTString)
fieldDef.SetWidth(12)
TEMP_out = Driver.CreateDataSource(workdir + "temp.shp")
if not srs == None:
TEMP_LYR = TEMP_out.CreateLayer("temp",
srs,
geom_type=ogr.wkbMultiPolygon)
else:
TEMP_LYR = TEMP_out.CreateLayer("temp", geom_type=ogr.wkbMultiPolygon)
TEMP_LYR.CreateField(fieldDef)
for i in range(lyr.GetFeatureCount()):
orgfeature = lyr.GetFeature(i)
geometry = orgfeature.geometry()
feature = ogr.Feature(TEMP_LYR.GetLayerDefn())
feature.SetGeometry(geometry)
feature.SetField("ID", str(i + 1))
TEMP_LYR.CreateFeature(feature)
TEMP_out.Destroy()
ds.Destroy
# rasterize catchment map
catchments_tif = workdir + "catchments.tif"
catchments_map = workdir + "catchments.map"
call(('gdal_translate', '-of', 'GTiff', '-a_srs', clone_EPSG, zero_map,
catchments_tif))
if alltouching:
call(('gdal_rasterize', '-at', '-a', 'ID', '-l', "temp",
workdir + 'temp.shp', catchments_tif))
else:
call(('gdal_rasterize', '-a', 'ID', '-l', "temp", workdir + 'temp.shp',
catchments_tif))
call(('gdal_translate', '-of', 'PCRaster', '-a_srs', clone_EPSG,
catchments_tif, catchments_map))
catchments = pcr.readmap(catchments_map)
riverunique = pcr.clump(pcr.nominal(pcr.ifthen(riverburn > 0, riverburn)))
rivercatch = pcr.areamajority(pcr.ordinal(catchments), riverunique)
#catchments = pcr.cover(pcr.ordinal(rivercatch),pcr.ordinal(pcr.ifthen(catchments > 0, catchments)),pcr.ordinal(0))
catchments = pcr.cover(
pcr.ifthen(catchments > 0, pcr.ordinal(catchments)),
pcr.ifthen(
riverburn > 0,
pcr.ordinal(
pcr.spreadzone(pcr.nominal(catchments),
pcr.ifthen(riverburn > 0, pcr.scalar(1)), 1))))
rivercatch_map = workdir + "catchments_river.map"
catchclip_map = workdir + "catchments_clip.map"
pcr.report(rivercatch, rivercatch_map)
pcr.report(catchments, catchclip_map)
ds = ogr.Open(workdir + "temp.shp")
lyr = ds.GetLayerByName("temp")
print 'calculating ldd'
for i in range(lyr.GetFeatureCount()):
feature = lyr.GetFeature(i)
catch = int(feature.GetField("ID"))
print "calculating ldd for catchment: " + str(i + 1) + "/" + str(
lyr.GetFeatureCount()) + "...."
ldddem_select = pcr.scalar(pcr.ifthen(catchments == catch,
catchments)) * 0 + 1 * ldddem
ldd_select = pcr.lddcreate(ldddem_select, float("1E35"), float("1E35"),
float("1E35"), float("1E35"))
ldd = pcr.cover(ldd, ldd_select)
pcr.report(ldd, resultdir + ldd_map)
ds.Destroy()
''' report stream order, river and dem '''
streamorder = pcr.ordinal(pcr.streamorder(ldd))
river = pcr.ifthen(streamorder >= pcr.ordinal(minorder), pcr.boolean(1))
mindem = int(np.min(pcr.pcr2numpy(pcr.ordinal(dem_resample_map), 9999999)))
dem_resample_map = pcr.cover(dem_resample_map,
pcr.scalar(river) * 0 + mindem)
pcr.report(dem_resample_map, resultdir + dem_map)
pcr.report(streamorder, resultdir + streamorder_map)
pcr.report(river, resultdir + river_map)
''' deal with your catchments '''
if gaugeshp == None:
print 'No gauges defined, using outlets instead'
gauges = pcr.ordinal(
pcr.uniqueid(
pcr.boolean(pcr.ifthen(pcr.scalar(ldd) == 5, pcr.boolean(1)))))
pcr.report(gauges, resultdir + gauges_map)
# ds = ogr.Open(gaugeshp)
# file_att = os.path.splitext(os.path.basename(gaugeshp))[0]
# lyr = ds.GetLayerByName(file_att)
# spatialref = lyr.GetSpatialRef()
## if not spatialref == None:
## srs = osr.SpatialReference()
## srs.ImportFromWkt(spatialref.ExportToWkt())
## srs.AutoIdentifyEPSG()
## gaugeshp_EPSG = 'EPSG:'+srs.GetAttrValue("AUTHORITY",1)
## spatialref == None
# #else:
# gaugeshp_EPSG = clone_EPSG
# print 'No projection defined for ' + file_att + '.shp'
# print 'Assumed to be the same as model projection (' + clone_EPSG + ')'
#
# # reproject gauge shape if necesarry
# if not gaugeshp_EPSG == clone_EPSG:
# gaugeprojshp = workdir + 'gaugeshape_proj.shp'
# call(('ogr2ogr','-s_srs',rivshp_EPSG,'-t_srs',clone_ESPG,gaugeprojshp,gaugeshp))
# gaugeshp = gaugeprojshp
#
# file_att = os.path.splitext(os.path.basename(gaugeshp))[0]
# gaugestif = workdir + file_att + '.tif'
# gaugesmap = workdir + file_att + '.map'
# call(('gdal_translate','-of','GTiff','-a_srs',clone_EPSG,zero_map,gaugestif))
# call(('gdal_rasterize','-burn','1','-l',file_att,gaugeshp,gaugestif))
# call(('gdal_translate','-of','PCRaster','-a_srs',clone_EPSG,gaugestif,gaugesmap))
# gaugelocs = pcr.readmap(gaugesmap)
# snapgaugestoriver = True
#
# if snapgaugestoriver:
# print "Snapping gauges to river"
# gauges = pcr.uniqueid(pcr.boolean(gaugelocs))
# gauges= wt.snaptomap(pcr.ordinal(gauges),river)
#
# gaugesmap = pcr.ifthen(gauges > 0, gauges)
''' report riverlengthfrac '''
riv_hr = workdir + 'river_highres.tif'
wt.CreateTif(riv_hr, rows_hr, cols_hr, hr_trans, srs_clone, 0)
file_att = os.path.splitext(os.path.basename(rivshp))[0]
call(('gdal_rasterize', '-burn', '1', '-l', file_att, rivshp, riv_hr))
print 'Computing river length...'
#riverlength = wt.windowstats(riv_hr,clone_rows,clone_columns,clone_trans,srs_clone,resultdir,'frac',clone2dem_transform)
riverlength = wt.windowstats(riv_hr, clone_rows, clone_columns,
clone_trans, srs_clone, resultdir, 'frac')
''' report outlet map '''
pcr.report(pcr.ifthen(pcr.ordinal(ldd) == 5, pcr.ordinal(1)),
resultdir + outlet_map)
''' report map '''
catchment = pcr.ifthen(catchments > 0, pcr.ordinal(1))
pcr.report(catchment, resultdir + catchment_map)
''' report subcatchment map '''
subcatchment = pcr.subcatchment(ldd, gauges)
pcr.report(pcr.ordinal(subcatchment), resultdir + subcatch_map)
''' report landuse map '''
if landuse == None:
pcr.report(pcr.nominal(ones), resultdir + landuse_map)
else:
landuse_resample = workdir + 'landuse.tif'
landuse_map = resultdir + landuse_map
transform = wt.GetRasterTranform(landuse, srs_clone)
if not transform[0]:
call(('gdalwarp', '-overwrite', '-s_srs', clone_EPSG, '-t_srs',
clone_EPSG, '-te', xmin, ymin, xmax, ymax, '-tr',
str(cellsize), str(-cellsize), '-r', 'mode', landuse,
landuse_resample))
else:
call(('gdalwarp', '-overwrite', '-s_srs', transform[1], '-t_srs',
clone_EPSG, '-te', xmin, ymin, xmax, ymax, '-tr',
str(cellsize), str(-cellsize), '-r', 'mode', landuse,
landuse_resample))
call(('gdal_translate', '-of', 'PCRaster', '-ot', 'Float32',
landuse_resample, landuse_map))
landuse_work = pcr.readmap(landuse_map)
pcr.report(pcr.nominal(landuse_work), landuse_map)
''' report soil map '''
if soiltype == None:
pcr.report(pcr.nominal(ones), resultdir + soil_map)
else:
soiltype_resample = workdir + 'soiltype.tif'
soil_map = resultdir + soil_map
#transform = wt.GetRasterTranform(soiltype,srs_clone)
# if not transform[0]:
call(('gdalwarp', '-overwrite', '-s_srs', clone_EPSG, '-t_srs',
clone_EPSG, '-te', xmin, ymin, xmax, ymax, '-tr', str(cellsize),
str(-cellsize), '-r', 'mode', soiltype, soiltype_resample))
# else:
# call(('gdalwarp','-overwrite','-s_srs',transform[1],'-t_srs',clone_EPSG,'-te', xmin, ymin, xmax, ymax,'-tr',str(cellsize),str(-cellsize),'-r','mode',soiltype, soiltype_resample))
call(('gdal_translate', '-of', 'PCRaster', '-ot', 'Float32',
soiltype_resample, soil_map))
soiltype_work = pcr.readmap(soil_map)
pcr.report(pcr.nominal(soiltype_work), soil_map)
if clean:
wt.DeleteList(glob.glob(os.getcwd() + '\\' + resultdir + '/*.xml'))
def main(
source,
destination,
inifile,
dem_in,
rivshp,
catchshp,
gaugeshp=None,
landuse=None,
soil=None,
lai=None,
other_maps=None,
logfilename="wtools_static_maps.log",
verbose=True,
clean=True,
alltouch=False,
outlets=([], []),
):
# parse other maps into an array
if not other_maps == None:
if type(other_maps) == str:
print other_maps
other_maps = (other_maps.replace(" ", "").replace("[", "").replace(
"]", "").split(","))
source = os.path.abspath(source)
clone_map = os.path.join(source, "mask.map")
clone_shp = os.path.join(source, "mask.shp")
clone_prj = os.path.join(source, "mask.prj")
if None in (rivshp, catchshp, dem_in):
msg = """The following files are compulsory:
- DEM (raster)
- river (shape)
- catchment (shape)
"""
print(msg)
parser.print_help()
sys.exit(1)
if (inifile is not None) and (not os.path.exists(inifile)):
print "path to ini file cannot be found"
sys.exit(1)
if not os.path.exists(rivshp):
print "path to river shape cannot be found"
sys.exit(1)
if not os.path.exists(catchshp):
print "path to catchment shape cannot be found"
sys.exit(1)
if not os.path.exists(dem_in):
print "path to DEM cannot be found"
sys.exit(1)
# open a logger, dependent on verbose print to screen or not
logger, ch = wt.setlogger(logfilename, "WTOOLS", verbose)
# create directories # TODO: check if workdir is still necessary, try to
# keep in memory as much as possible
# delete old files (when the source and destination folder are different)
if np.logical_and(os.path.isdir(destination), destination is not source):
shutil.rmtree(destination)
if destination is not source:
os.makedirs(destination)
# Read mask
if not (os.path.exists(clone_map)):
logger.error(
"Clone file {:s} not found. Please run create_grid first.".format(
clone_map))
sys.exit(1)
else:
# set clone
pcr.setclone(clone_map)
# get the extent from clone.tif
xax, yax, clone, fill_value = wt.gdal_readmap(clone_map, "GTiff")
trans = wt.get_geotransform(clone_map)
extent = wt.get_extent(clone_map)
xmin, ymin, xmax, ymax = extent
zeros = np.zeros(clone.shape)
ones = pcr.numpy2pcr(pcr.Scalar, np.ones(clone.shape), -9999)
# get the projection from clone.tif
srs = wt.get_projection(clone_map)
unit_clone = srs.GetAttrValue("UNIT").lower()
# READ CONFIG FILE
# open config-file
if inifile is None:
config = ConfigParser.SafeConfigParser()
config.optionxform = str
else:
config = wt.OpenConf(inifile)
# read settings
snapgaugestoriver = wt.configget(config,
"settings",
"snapgaugestoriver",
True,
datatype="boolean")
burnalltouching = wt.configget(config,
"settings",
"burncatchalltouching",
True,
datatype="boolean")
burninorder = wt.configget(config,
"settings",
"burncatchalltouching",
False,
datatype="boolean")
verticetollerance = wt.configget(config,
"settings",
"vertice_tollerance",
0.0001,
datatype="float")
""" read parameters """
burn_outlets = wt.configget(config,
"parameters",
"burn_outlets",
10000,
datatype="int")
burn_rivers = wt.configget(config,
"parameters",
"burn_rivers",
200,
datatype="int")
burn_connections = wt.configget(config,
"parameters",
"burn_connections",
100,
datatype="int")
burn_gauges = wt.configget(config,
"parameters",
"burn_gauges",
100,
datatype="int")
minorder = wt.configget(config,
"parameters",
"riverorder_min",
3,
datatype="int")
try:
percentiles = np.array(
config.get("parameters", "statisticmaps",
"0, 100").replace(" ", "").split(","),
dtype="float",
)
except ConfigParser.NoOptionError:
percentiles = [0.0, 100.0]
# read the parameters for generating a temporary very high resolution grid
if unit_clone == "degree":
cellsize_hr = wt.configget(config,
"parameters",
"highres_degree",
0.0005,
datatype="float")
elif (unit_clone == "metre") or (unit_clone == "meter"):
cellsize_hr = wt.configget(config,
"parameters",
"highres_metre",
50,
datatype="float")
cols_hr = int((float(xmax) - float(xmin)) / cellsize_hr + 2)
rows_hr = int((float(ymax) - float(ymin)) / cellsize_hr + 2)
hr_trans = (float(xmin), cellsize_hr, float(0), float(ymax), 0,
-cellsize_hr)
clone_hr = os.path.join(destination, "clone_highres.tif")
# make a highres clone as well!
wt.CreateTif(clone_hr, rows_hr, cols_hr, hr_trans, srs, 0)
# read staticmap locations
catchment_map = wt.configget(config, "staticmaps", "catchment",
"wflow_catchment.map")
dem_map = wt.configget(config, "staticmaps", "dem", "wflow_dem.map")
demmax_map = wt.configget(config, "staticmaps", "demmax",
"wflow_demmax.map")
demmin_map = wt.configget(config, "staticmaps", "demmin",
"wflow_demmin.map")
gauges_map = wt.configget(config, "staticmaps", "gauges",
"wflow_gauges.map")
landuse_map = wt.configget(config, "staticmaps", "landuse",
"wflow_landuse.map")
ldd_map = wt.configget(config, "staticmaps", "ldd", "wflow_ldd.map")
river_map = wt.configget(config, "staticmaps", "river", "wflow_river.map")
outlet_map = wt.configget(config, "staticmaps", "outlet",
"wflow_outlet.map")
riverlength_fact_map = wt.configget(config, "staticmaps",
"riverlength_fact",
"wflow_riverlength_fact.map")
soil_map = wt.configget(config, "staticmaps", "soil", "wflow_soil.map")
streamorder_map = wt.configget(config, "staticmaps", "streamorder",
"wflow_streamorder.map")
subcatch_map = wt.configget(config, "staticmaps", "subcatch",
"wflow_subcatch.map")
# read mask location (optional)
masklayer = wt.configget(config, "mask", "masklayer", catchshp)
# ???? empty = pcr.ifthen(ones == 0, pcr.scalar(0))
# TODO: check if extents are correct this way
# TODO: check what the role of missing values is in zeros and ones (l. 123
# in old code)
# first add a missing value to dem_in
ds = gdal.Open(dem_in, gdal.GA_Update)
RasterBand = ds.GetRasterBand(1)
fill_val = RasterBand.GetNoDataValue()
if fill_val is None:
RasterBand.SetNoDataValue(-9999)
ds = None
# reproject to clone map: see http://stackoverflow.com/questions/10454316/how-to-project-and-resample-a-grid-to-match-another-grid-with-gdal-python
# resample DEM
logger.info("Resampling dem from {:s} to {:s}".format(
os.path.abspath(dem_in), os.path.join(destination, dem_map)))
wt.gdal_warp(
dem_in,
clone_map,
os.path.join(destination, dem_map),
format="PCRaster",
gdal_interp=gdalconst.GRA_Average,
)
# retrieve amount of rows and columns from clone
# TODO: make windowstats applicable to source/target with different projections. This does not work yet.
# retrieve srs from DEM
try:
srs_dem = wt.get_projection(dem_in)
except:
logger.warning(
"No projection found in DEM, assuming WGS 1984 lat long")
srs_dem = osr.SpatialReference()
srs_dem.ImportFromEPSG(4326)
clone2dem_transform = osr.CoordinateTransformation(srs, srs_dem)
# if srs.ExportToProj4() == srs_dem.ExportToProj4():
wt.windowstats(
dem_in,
len(yax),
len(xax),
trans,
srs,
destination,
percentiles,
transform=clone2dem_transform,
logger=logger,
)
## read catchment shape-file to create catchment map
src = rasterio.open(clone_map)
shapefile = fiona.open(catchshp, "r")
catchment_shapes = [feature["geometry"] for feature in shapefile]
image = features.rasterize(catchment_shapes,
out_shape=src.shape,
all_touched=True,
transform=src.transform)
catchment_domain = pcr.numpy2pcr(pcr.Ordinal, image.copy(), 0)
## read river shape-file and create burn layer
shapefile = fiona.open(rivshp, "r")
river_shapes = [feature["geometry"] for feature in shapefile]
image = features.rasterize(river_shapes,
out_shape=src.shape,
all_touched=False,
transform=src.transform)
rivers = pcr.numpy2pcr(pcr.Nominal, image.copy(), 0)
riverdem = pcr.scalar(rivers) * pcr.readmap(
os.path.join(destination, dem_map))
pcr.setglobaloption("lddin")
riverldd = pcr.lddcreate(riverdem, 1e35, 1e35, 1e35, 1e35)
riveroutlet = pcr.cover(
pcr.ifthen(pcr.scalar(riverldd) == 5, pcr.scalar(1000)), 0)
burn_layer = pcr.cover(
(pcr.scalar(
pcr.ifthen(
pcr.streamorder(riverldd) > 1, pcr.streamorder(riverldd))) - 1)
* 1000 + riveroutlet,
0,
)
outlets_x, outlets_y = outlets
n_outlets = len(outlets_x)
logger.info("Number of outlets: {}".format(n_outlets))
if n_outlets >= 1:
outlets_map_numbered = tr.points_to_map(pcr.scalar(0), outlets_x,
outlets_y, 0.5)
outlets_map = pcr.boolean(outlets_map_numbered)
# snap outlets to closest river (max 1 cell closer to river)
outlets_map = pcr.boolean(
pcr.cover(tr.snaptomap(pcr.ordinal(outlets_map), rivers), 0))
## create ldd per catchment
logger.info("Calculating ldd")
ldddem = pcr.scalar(clone_map)
# per subcatchment, burn dem, then create modified dem that fits the ldd of the subcatchment
# this ldd dem is merged over catchments, to create a global ldd that abides to the subcatchment boundaries
for idx, shape in enumerate(catchment_shapes):
logger.info("Computing ldd for catchment " + str(idx + 1) + "/" +
str(len(catchment_shapes)))
image = features.rasterize([shape],
out_shape=src.shape,
all_touched=True,
transform=src.transform)
catchment = pcr.numpy2pcr(pcr.Scalar, image.copy(), 0)
dem_burned_catchment = (
pcr.readmap(os.path.join(destination, dem_map)) *
pcr.scalar(catchment_domain) * catchment) - burn_layer
# ldddem_catchment = pcr.lddcreatedem(
# dem_burned_catchment, 1e35, 1e35, 1e35, 1e35)
ldddem = pcr.cover(ldddem, dem_burned_catchment)
pcr.report(ldddem, os.path.join(destination, "ldddem.map"))
wflow_ldd = pcr.lddcreate(ldddem, 1e35, 1e35, 1e35, 1e35)
if n_outlets >= 1:
# set outlets to pit
wflow_ldd = pcr.ifthenelse(outlets_map, pcr.ldd(5), wflow_ldd)
wflow_ldd = pcr.lddrepair(wflow_ldd)
pcr.report(wflow_ldd, os.path.join(destination, "wflow_ldd.map"))
# compute stream order, identify river cells
streamorder = pcr.ordinal(pcr.streamorder(wflow_ldd))
river = pcr.ifthen(streamorder >= pcr.ordinal(minorder), pcr.boolean(1))
# find the minimum value in the DEM and cover missing values with a river with this value. Effect is none!! so now left out!
# mindem = int(np.min(pcr.pcr2numpy(pcr.ordinal(os.path.join(destination, dem_map)),9999999)))
# dem_resample_map = pcr.cover(os.path.join(destination, dem_map), pcr.scalar(river)*0+mindem)
# pcr.report(dem_resample_map, os.path.join(destination, dem_map))
pcr.report(streamorder, os.path.join(destination, streamorder_map))
pcr.report(river, os.path.join(destination, river_map))
# deal with your catchments
if gaugeshp == None:
logger.info("No gauges defined, using outlets instead")
gauges = pcr.ordinal(
pcr.uniqueid(
pcr.boolean(
pcr.ifthen(pcr.scalar(wflow_ldd) == 5, pcr.boolean(1)))))
pcr.report(gauges, os.path.join(destination, gauges_map))
# TODO: Add the gauge shape code from StaticMaps.py (line 454-489)
# TODO: add river length map (see SticMaps.py, line 492-499)
# since the products here (river length fraction) are not yet used
# this is disabled for now, as it also takes a lot of computation time
if False:
# report river length
# make a high resolution empty map
dem_hr_file = os.path.join(destination, "dem_highres.tif")
burn_hr_file = os.path.join(destination, "burn_highres.tif")
demburn_hr_file = os.path.join(destination, "demburn_highres.map")
riv_hr_file = os.path.join(destination, "riv_highres.map")
wt.gdal_warp(dem_in, clone_hr, dem_hr_file)
# wt.CreateTif(riv_hr, rows_hr, cols_hr, hr_trans, srs, 0)
# open the shape layer
ds = ogr.Open(rivshp)
lyr = ds.GetLayer(0)
wt.ogr_burn(
lyr,
clone_hr,
-100,
file_out=burn_hr_file,
format="GTiff",
gdal_type=gdal.GDT_Float32,
fill_value=0,
)
# read dem and burn values and add
xax_hr, yax_hr, burn_hr, fill = wt.gdal_readmap(burn_hr_file, "GTiff")
burn_hr[burn_hr == fill] = 0
xax_hr, yax_hr, dem_hr, fill = wt.gdal_readmap(dem_hr_file, "GTiff")
dem_hr[dem_hr == fill] = np.nan
demburn_hr = dem_hr + burn_hr
demburn_hr[np.isnan(demburn_hr)] = -9999
wt.gdal_writemap(demburn_hr_file, "PCRaster", xax_hr, yax_hr,
demburn_hr, -9999.)
pcr.setclone(demburn_hr_file)
demburn_hr = pcr.readmap(demburn_hr_file)
logger.info("Calculating ldd to determine river length")
ldd_hr = pcr.lddcreate(demburn_hr, 1e35, 1e35, 1e35, 1e35)
pcr.report(ldd_hr, os.path.join(destination, "ldd_hr.map"))
pcr.setglobaloption("unitcell")
riv_hr = pcr.scalar(
pcr.streamorder(ldd_hr) >= minorder) * pcr.downstreamdist(ldd_hr)
pcr.report(riv_hr, riv_hr_file)
pcr.setglobaloption("unittrue")
pcr.setclone(clone_map)
logger.info("Computing river length")
wt.windowstats(
riv_hr_file,
len(yax),
len(xax),
trans,
srs,
destination,
stat="fact",
transform=False,
logger=logger,
)
# TODO: nothing happens with the river lengths yet. Need to decide how to use these
# report outlet map
pcr.report(
pcr.ifthen(pcr.ordinal(wflow_ldd) == 5, pcr.ordinal(1)),
os.path.join(destination, outlet_map),
)
# report subcatchment map
subcatchment = pcr.subcatchment(wflow_ldd, gauges)
pcr.report(pcr.ordinal(subcatchment),
os.path.join(destination, subcatch_map))
# Report land use map
if landuse == None:
logger.info(
"No land use map used. Preparing {:s} with only ones.".format(
os.path.join(destination, landuse_map)))
pcr.report(pcr.nominal(ones), os.path.join(destination, landuse_map))
else:
logger.info("Resampling land use from {:s} to {:s}".format(
os.path.abspath(landuse),
os.path.join(destination, os.path.abspath(landuse_map)),
))
wt.gdal_warp(
landuse,
clone_map,
os.path.join(destination, landuse_map),
format="PCRaster",
gdal_interp=gdalconst.GRA_Mode,
gdal_type=gdalconst.GDT_Int32,
)
# report soil map
if soil == None:
logger.info("No soil map used. Preparing {:s} with only ones.".format(
os.path.join(destination, soil_map)))
pcr.report(pcr.nominal(ones), os.path.join(destination, soil_map))
else:
logger.info("Resampling soil from {:s} to {:s}".format(
os.path.abspath(soil),
os.path.join(destination, os.path.abspath(soil_map)),
))
wt.gdal_warp(
soil,
clone_map,
os.path.join(destination, soil_map),
format="PCRaster",
gdal_interp=gdalconst.GRA_Mode,
gdal_type=gdalconst.GDT_Int32,
)
if lai == None:
logger.info(
"No vegetation LAI maps used. Preparing default maps {:s} with only ones."
.format(os.path.join(destination, soil_map)))
pcr.report(pcr.nominal(ones), os.path.join(destination, soil_map))
else:
dest_lai = os.path.join(destination, "clim")
os.makedirs(dest_lai)
for month in range(12):
lai_in = os.path.join(lai, "LAI00000.{:03d}".format(month + 1))
lai_out = os.path.join(dest_lai,
"LAI00000.{:03d}".format(month + 1))
logger.info("Resampling vegetation LAI from {:s} to {:s}".format(
os.path.abspath(lai_in), os.path.abspath(lai_out)))
wt.gdal_warp(
lai_in,
clone_map,
lai_out,
format="PCRaster",
gdal_interp=gdalconst.GRA_Bilinear,
gdal_type=gdalconst.GDT_Float32,
)
# report soil map
if other_maps == None:
logger.info("No other maps used. Skipping other maps.")
else:
logger.info("Resampling list of other maps...")
for map_file in other_maps:
map_name = os.path.split(map_file)[1]
logger.info("Resampling a map from {:s} to {:s}".format(
os.path.abspath(map_file),
os.path.join(
destination,
os.path.splitext(os.path.basename(map_file))[0] + ".map",
),
))
wt.gdal_warp(
map_file,
clone_map,
os.path.join(
destination,
os.path.splitext(os.path.basename(map_file))[0] + ".map",
),
format="PCRaster",
gdal_interp=gdalconst.GRA_Mode,
gdal_type=gdalconst.GDT_Float32,
)
if clean:
wt.DeleteList(glob.glob(os.path.join(destination, "*.xml")),
logger=logger)
wt.DeleteList(glob.glob(os.path.join(destination, "clim", "*.xml")),
logger=logger)
wt.DeleteList(glob.glob(os.path.join(destination, "*highres*")),
logger=logger)
def main():
### Read input arguments #####
logfilename = 'wtools_static_maps.log'
parser = OptionParser()
usage = "usage: %prog [options]"
parser = OptionParser(usage=usage)
parser.add_option('-q',
'--quiet',
dest='verbose',
default=True,
action='store_false',
help='do not print status messages to stdout')
parser.add_option('-i',
'--ini',
dest='inifile',
default=None,
help='ini file with settings for static_maps.exe')
parser.add_option('-s',
'--source',
dest='source',
default='wflow',
help='Source folder containing clone (default=./wflow)')
parser.add_option('-d',
'--destination',
dest='destination',
default='staticmaps',
help='Destination folder (default=./staticmaps)')
parser.add_option('-r',
'--river',
dest='rivshp',
default=None,
help='river network polyline layer (ESRI Shapefile)')
parser.add_option('-c',
'--catchment',
dest='catchshp',
default=None,
help='catchment polygon layer (ESRI Shapefile)')
parser.add_option('-g',
'--gauges',
dest='gaugeshp',
default=None,
help='gauge point layer (ESRI Shapefile)')
parser.add_option('-D',
'--dem',
dest='dem_in',
default=None,
help='digital elevation model (GeoTiff)')
parser.add_option('-L',
'--landuse',
dest='landuse',
default=None,
help='land use / land cover layer (GeoTiff)')
parser.add_option('-S',
'--soiltype',
dest='soil',
default=None,
help='soil type layer (GeoTiff)')
parser.add_option(
'-V',
'--vegetation',
dest='lai',
default=None,
help=
'vegetation LAI layer location (containing 12 GeoTiffs <LAI00000.XXX.tif>)'
)
parser.add_option(
'-O',
'--other_maps',
dest='other_maps',
default=None,
help=
'bracketed [] comma-separated list of paths to other maps that should be reprojected'
)
parser.add_option(
'-C',
'--clean',
dest='clean',
default=False,
action='store_true',
help='Clean the .xml files from static maps folder when finished')
parser.add_option(
'-A',
'--alltouch',
dest='alltouch',
default=False,
action='store_true',
help=
'option to burn catchments "all touching".\nUseful when catchment-size is small compared to cellsize'
)
(options, args) = parser.parse_args()
# parse other maps into an array
options.other_maps = options.other_maps.replace(' ', '').replace(
'[', '').replace(']', '').split(',')
options.source = os.path.abspath(options.source)
clone_map = os.path.join(options.source, 'mask.map')
clone_shp = os.path.join(options.source, 'mask.shp')
clone_prj = os.path.join(options.source, 'mask.prj')
if None in (options.inifile, options.rivshp, options.catchshp,
options.dem_in):
msg = """The following files are compulsory:
- ini file
- DEM (raster)
- river (shape)
- catchment (shape)
"""
print(msg)
parser.print_help()
sys.exit(1)
if not os.path.exists(options.inifile):
print 'path to ini file cannot be found'
sys.exit(1)
if not os.path.exists(options.rivshp):
print 'path to river shape cannot be found'
sys.exit(1)
if not os.path.exists(options.catchshp):
print 'path to catchment shape cannot be found'
sys.exit(1)
if not os.path.exists(options.dem_in):
print 'path to DEM cannot be found'
sys.exit(1)
# open a logger, dependent on verbose print to screen or not
logger, ch = wtools_lib.setlogger(logfilename, 'WTOOLS', options.verbose)
# create directories # TODO: check if workdir is still necessary, try to keep in memory as much as possible
# delete old files (when the source and destination folder are different)
if np.logical_and(os.path.isdir(options.destination), options.destination
is not options.source):
shutil.rmtree(options.destination)
if options.destination is not options.source:
os.makedirs(options.destination)
# Read mask
if not (os.path.exists(clone_map)):
logger.error(
'Clone file {:s} not found. Please run create_grid first.'.format(
clone_map))
sys.exit(1)
else:
# set clone
pcr.setclone(clone_map)
# get the extent from clone.tif
xax, yax, clone, fill_value = gis.gdal_readmap(clone_map, 'GTiff')
trans = wtools_lib.get_geotransform(clone_map)
extent = wtools_lib.get_extent(clone_map)
xmin, ymin, xmax, ymax = extent
zeros = np.zeros(clone.shape)
ones = pcr.numpy2pcr(pcr.Scalar, np.ones(clone.shape), -9999)
# get the projection from clone.tif
srs = wtools_lib.get_projection(clone_map)
unit_clone = srs.GetAttrValue('UNIT').lower()
### READ CONFIG FILE
# open config-file
config = wtools_lib.OpenConf(options.inifile)
# read settings
snapgaugestoriver = wtools_lib.configget(config,
'settings',
'snapgaugestoriver',
True,
datatype='boolean')
burnalltouching = wtools_lib.configget(config,
'settings',
'burncatchalltouching',
True,
datatype='boolean')
burninorder = wtools_lib.configget(config,
'settings',
'burncatchalltouching',
False,
datatype='boolean')
verticetollerance = wtools_lib.configget(config,
'settings',
'vertice_tollerance',
0.0001,
datatype='float')
''' read parameters '''
burn_outlets = wtools_lib.configget(config,
'parameters',
'burn_outlets',
10000,
datatype='int')
burn_rivers = wtools_lib.configget(config,
'parameters',
'burn_rivers',
200,
datatype='int')
burn_connections = wtools_lib.configget(config,
'parameters',
'burn_connections',
100,
datatype='int')
burn_gauges = wtools_lib.configget(config,
'parameters',
'burn_gauges',
100,
datatype='int')
minorder = wtools_lib.configget(config,
'parameters',
'riverorder_min',
3,
datatype='int')
percentiles = np.array(config.get('parameters', 'statisticmaps',
'0, 100').replace(' ', '').split(','),
dtype='float')
# read the parameters for generating a temporary very high resolution grid
if unit_clone == 'degree':
cellsize_hr = wtools_lib.configget(config,
'parameters',
'highres_degree',
0.0005,
datatype='float')
elif (unit_clone == 'metre') or (unit_clone == 'meter'):
cellsize_hr = wtools_lib.configget(config,
'parameters',
'highres_metre',
50,
datatype='float')
cols_hr = int((float(xmax) - float(xmin)) / cellsize_hr + 2)
rows_hr = int((float(ymax) - float(ymin)) / cellsize_hr + 2)
hr_trans = (float(xmin), cellsize_hr, float(0), float(ymax), 0,
-cellsize_hr)
clone_hr = os.path.join(options.destination, 'clone_highres.tif')
# make a highres clone as well!
wtools_lib.CreateTif(clone_hr, rows_hr, cols_hr, hr_trans, srs, 0)
# read staticmap locations
catchment_map = wtools_lib.configget(config, 'staticmaps', 'catchment',
'wflow_catchment.map')
dem_map = wtools_lib.configget(config, 'staticmaps', 'dem',
'wflow_dem.map')
demmax_map = wtools_lib.configget(config, 'staticmaps', 'demmax',
'wflow_demmax.map')
demmin_map = wtools_lib.configget(config, 'staticmaps', 'demmin',
'wflow_demmin.map')
gauges_map = wtools_lib.configget(config, 'staticmaps', 'gauges',
'wflow_gauges.map')
landuse_map = wtools_lib.configget(config, 'staticmaps', 'landuse',
'wflow_landuse.map')
ldd_map = wtools_lib.configget(config, 'staticmaps', 'ldd',
'wflow_ldd.map')
river_map = wtools_lib.configget(config, 'staticmaps', 'river',
'wflow_river.map')
outlet_map = wtools_lib.configget(config, 'staticmaps', 'outlet',
'wflow_outlet.map')
riverlength_fact_map = wtools_lib.configget(config, 'staticmaps',
'riverlength_fact',
'wflow_riverlength_fact.map')
soil_map = wtools_lib.configget(config, 'staticmaps', 'soil',
'wflow_soil.map')
streamorder_map = wtools_lib.configget(config, 'staticmaps', 'streamorder',
'wflow_streamorder.map')
subcatch_map = wtools_lib.configget(config, 'staticmaps', 'subcatch',
'wflow_subcatch.map')
# read mask location (optional)
masklayer = wtools_lib.configget(config, 'mask', 'masklayer',
options.catchshp)
# ???? empty = pcr.ifthen(ones == 0, pcr.scalar(0))
# TODO: check if extents are correct this way
# TODO: check what the role of missing values is in zeros and ones (l. 123 in old code)
# first add a missing value to dem_in
ds = gdal.Open(options.dem_in, gdal.GA_Update)
RasterBand = ds.GetRasterBand(1)
fill_val = RasterBand.GetNoDataValue()
if fill_val is None:
RasterBand.SetNoDataValue(-9999)
ds = None
# reproject to clone map: see http://stackoverflow.com/questions/10454316/how-to-project-and-resample-a-grid-to-match-another-grid-with-gdal-python
# resample DEM
logger.info('Resampling dem from {:s} to {:s}'.format(
os.path.abspath(options.dem_in),
os.path.join(options.destination, dem_map)))
gis.gdal_warp(options.dem_in,
clone_map,
os.path.join(options.destination, dem_map),
format='PCRaster',
gdal_interp=gdalconst.GRA_Average)
# retrieve amount of rows and columns from clone
# TODO: make windowstats applicable to source/target with different projections. This does not work yet.
# retrieve srs from DEM
try:
srs_dem = wtools_lib.get_projection(options.dem_in)
except:
logger.warning(
'No projection found in DEM, assuming WGS 1984 lat long')
srs_dem = osr.SpatialReference()
srs_dem.ImportFromEPSG(4326)
clone2dem_transform = osr.CoordinateTransformation(srs, srs_dem)
#if srs.ExportToProj4() == srs_dem.ExportToProj4():
for percentile in percentiles:
if percentile >= 100:
logger.info('computing window maximum')
percentile_dem = os.path.join(options.destination,
'wflow_dem_max.map')
elif percentile <= 0:
logger.info('computing window minimum')
percentile_dem = os.path.join(options.destination,
'wflow_dem_min.map')
else:
logger.info('computing window {:d} percentile'.format(
int(percentile)))
percentile_dem = os.path.join(
options.destination,
'wflow_dem_{:03d}.map'.format(int(percentile)))
percentile_dem = os.path.join(
options.destination,
'wflow_dem_{:03d}.map'.format(int(percentile)))
stats = wtools_lib.windowstats(options.dem_in,
len(yax),
len(xax),
trans,
srs,
percentile_dem,
percentile,
transform=clone2dem_transform,
logger=logger)
# else:
# logger.warning('Projections of DEM and clone are different. DEM statistics for different projections is not yet implemented')
"""
# burn in rivers
# first convert and clip the river shapefile
# retrieve river shape projection, if not available assume EPSG:4326
file_att = os.path.splitext(os.path.basename(options.rivshp))[0]
ds = ogr.Open(options.rivshp)
lyr = ds.GetLayerByName(file_att)
extent = lyr.GetExtent()
extent_in = [extent[0], extent[2], extent[1], extent[3]]
try:
# get spatial reference from shapefile
srs_rivshp = lyr.GetSpatialRef()
logger.info('Projection in river shapefile is {:s}'.format(srs_rivshp.ExportToProj4()))
except:
logger.warning('No projection found in {:s}, assuming WGS 1984 lat-lon'.format(options.rivshp))
srs_rivshp = osr.SpatialReference()
srs_rivshp.ImportFromEPSG(4326)
rivprojshp = os.path.join(options.destination, 'rivshp_proj.shp')
logger.info('Projecting and clipping {:s} to {:s}'.format(options.rivshp, rivprojshp))
# TODO: Line below takes a very long time to process, the bigger the shapefile, the more time. How do we deal with this?
call(('ogr2ogr','-s_srs', srs_rivshp.ExportToProj4(),'-t_srs', srs.ExportToProj4(), '-clipsrc', '{:f}'.format(xmin), '{:f}'.format(ymin), '{:f}'.format(xmax), '{:f}'.format(ymax), rivprojshp, options.rivshp))
"""
# TODO: BURNING!!
# project catchment layer to projection of clone
file_att = os.path.splitext(os.path.basename(options.catchshp))[0]
print options.catchshp
ds = ogr.Open(options.catchshp)
lyr = ds.GetLayerByName(file_att)
extent = lyr.GetExtent()
extent_in = [extent[0], extent[2], extent[1], extent[3]]
try:
# get spatial reference from shapefile
srs_catchshp = lyr.GetSpatialRef()
logger.info('Projection in catchment shapefile is {:s}'.format(
srs_catchshp.ExportToProj4()))
except:
logger.warning(
'No projection found in {:s}, assuming WGS 1984 lat-lon'.format(
options.catchshp))
srs_catchshp = osr.SpatialReference()
srs_catchshp.ImportFromEPSG(4326)
catchprojshp = os.path.join(options.destination, 'catchshp_proj.shp')
logger.info('Projecting {:s} to {:s}'.format(options.catchshp,
catchprojshp))
call(('ogr2ogr', '-s_srs', srs_catchshp.ExportToProj4(), '-t_srs',
srs.ExportToProj4(), '-clipsrc', '{:f}'.format(xmin),
'{:f}'.format(ymin), '{:f}'.format(xmax), '{:f}'.format(ymax),
catchprojshp, options.catchshp))
#
logger.info('Calculating ldd')
ldddem = pcr.readmap(os.path.join(options.destination, dem_map))
ldd_select = pcr.lddcreate(ldddem, 1e35, 1e35, 1e35, 1e35)
pcr.report(ldd_select, os.path.join(options.destination, 'wflow_ldd.map'))
# compute stream order, identify river cells
streamorder = pcr.ordinal(pcr.streamorder(ldd_select))
river = pcr.ifthen(streamorder >= pcr.ordinal(minorder), pcr.boolean(1))
# find the minimum value in the DEM and cover missing values with a river with this value. Effect is none!! so now left out!
# mindem = int(np.min(pcr.pcr2numpy(pcr.ordinal(os.path.join(options.destination, dem_map)),9999999)))
# dem_resample_map = pcr.cover(os.path.join(options.destination, dem_map), pcr.scalar(river)*0+mindem)
# pcr.report(dem_resample_map, os.path.join(options.destination, dem_map))
pcr.report(streamorder, os.path.join(options.destination, streamorder_map))
pcr.report(river, os.path.join(options.destination, river_map))
# deal with your catchments
if options.gaugeshp == None:
logger.info('No gauges defined, using outlets instead')
gauges = pcr.ordinal(
pcr.uniqueid(
pcr.boolean(
pcr.ifthen(pcr.scalar(ldd_select) == 5, pcr.boolean(1)))))
pcr.report(gauges, os.path.join(options.destination, gauges_map))
# TODO: Add the gauge shape code from StaticMaps.py (line 454-489)
# TODO: add river length map (see SticMaps.py, line 492-499)
# report river length
# make a high resolution empty map
dem_hr_file = os.path.join(options.destination, 'dem_highres.tif')
burn_hr_file = os.path.join(options.destination, 'burn_highres.tif')
demburn_hr_file = os.path.join(options.destination, 'demburn_highres.map')
riv_hr_file = os.path.join(options.destination, 'riv_highres.map')
gis.gdal_warp(options.dem_in, clone_hr, dem_hr_file)
# wtools_lib.CreateTif(riv_hr, rows_hr, cols_hr, hr_trans, srs, 0)
file_att = os.path.splitext(os.path.basename(options.rivshp))[0]
# open the shape layer
ds = ogr.Open(options.rivshp)
lyr = ds.GetLayerByName(file_att)
gis.ogr_burn(lyr,
clone_hr,
-100,
file_out=burn_hr_file,
format='GTiff',
gdal_type=gdal.GDT_Float32,
fill_value=0)
# read dem and burn values and add
xax_hr, yax_hr, burn_hr, fill = gis.gdal_readmap(burn_hr_file, 'GTiff')
burn_hr[burn_hr == fill] = 0
xax_hr, yax_hr, dem_hr, fill = gis.gdal_readmap(dem_hr_file, 'GTiff')
dem_hr[dem_hr == fill] = np.nan
demburn_hr = dem_hr + burn_hr
demburn_hr[np.isnan(demburn_hr)] = -9999
gis.gdal_writemap(demburn_hr_file, 'PCRaster', xax_hr, yax_hr, demburn_hr,
-9999.)
pcr.setclone(demburn_hr_file)
demburn_hr = pcr.readmap(demburn_hr_file)
ldd_hr = pcr.lddcreate(demburn_hr, 1e35, 1e35, 1e35, 1e35)
pcr.report(ldd_hr, os.path.join(options.destination, 'ldd_hr.map'))
pcr.setglobaloption('unitcell')
riv_hr = pcr.scalar(
pcr.streamorder(ldd_hr) >= minorder) * pcr.downstreamdist(ldd_hr)
pcr.report(riv_hr, riv_hr_file)
pcr.setglobaloption('unittrue')
pcr.setclone(clone_map)
logger.info('Computing river length')
#riverlength = wt.windowstats(riv_hr,clone_rows,clone_columns,clone_trans,srs_clone,resultdir,'frac',clone2dem_transform)
riverlength = wtools_lib.windowstats(riv_hr_file,
len(yax),
len(xax),
trans,
srs,
os.path.join(options.destination,
riverlength_fact_map),
stat='fact',
logger=logger)
# TODO: nothing happends with the river lengths yet. Need to decide how to use these
# report outlet map
pcr.report(pcr.ifthen(pcr.ordinal(ldd_select) == 5, pcr.ordinal(1)),
os.path.join(options.destination, outlet_map))
# report subcatchment map
subcatchment = pcr.subcatchment(ldd_select, gauges)
pcr.report(pcr.ordinal(subcatchment),
os.path.join(options.destination, subcatch_map))
# Report land use map
if options.landuse == None:
logger.info(
'No land use map used. Preparing {:s} with only ones.'.format(
os.path.join(options.destination, landuse_map)))
pcr.report(pcr.nominal(ones),
os.path.join(options.destination, landuse_map))
else:
logger.info('Resampling land use from {:s} to {:s}'.format(
os.path.abspath(options.landuse),
os.path.join(options.destination, os.path.abspath(landuse_map))))
gis.gdal_warp(options.landuse,
clone_map,
os.path.join(options.destination, landuse_map),
format='PCRaster',
gdal_interp=gdalconst.GRA_Mode,
gdal_type=gdalconst.GDT_Int32)
# report soil map
if options.soil == None:
logger.info('No soil map used. Preparing {:s} with only ones.'.format(
os.path.join(options.destination, soil_map)))
pcr.report(pcr.nominal(ones),
os.path.join(options.destination, soil_map))
else:
logger.info('Resampling soil from {:s} to {:s}'.format(
os.path.abspath(options.soil),
os.path.join(options.destination, os.path.abspath(soil_map))))
gis.gdal_warp(options.soil,
clone_map,
os.path.join(options.destination, soil_map),
format='PCRaster',
gdal_interp=gdalconst.GRA_Mode,
gdal_type=gdalconst.GDT_Int32)
if options.lai == None:
logger.info(
'No vegetation LAI maps used. Preparing default maps {:s} with only ones.'
.format(os.path.join(options.destination, soil_map)))
pcr.report(pcr.nominal(ones),
os.path.join(options.destination, soil_map))
else:
dest_lai = os.path.join(options.destination, 'clim')
os.makedirs(dest_lai)
for month in range(12):
lai_in = os.path.join(options.lai,
'LAI00000.{:03d}'.format(month + 1))
lai_out = os.path.join(dest_lai,
'LAI00000.{:03d}'.format(month + 1))
logger.info('Resampling vegetation LAI from {:s} to {:s}'.format(
os.path.abspath(lai_in), os.path.abspath(lai_out)))
gis.gdal_warp(lai_in,
clone_map,
lai_out,
format='PCRaster',
gdal_interp=gdalconst.GRA_Bilinear,
gdal_type=gdalconst.GDT_Float32)
# report soil map
if options.other_maps == None:
logger.info('No other maps used. Skipping other maps.')
else:
logger.info('Resampling list of other maps...')
for map_file in options.other_maps:
map_name = os.path.split(map_file)[1]
logger.info('Resampling a map from {:s} to {:s}'.format(
os.path.abspath(map_file),
os.path.join(options.destination, map_name)))
gis.gdal_warp(map_file,
clone_map,
os.path.join(options.destination, map_name),
format='PCRaster',
gdal_interp=gdalconst.GRA_Mode,
gdal_type=gdalconst.GDT_Float32)
if options.clean:
wtools_lib.DeleteList(glob.glob(
os.path.join(options.destination, '*.xml')),
logger=logger)
wtools_lib.DeleteList(glob.glob(
os.path.join(options.destination, 'clim', '*.xml')),
logger=logger)
wtools_lib.DeleteList(glob.glob(
os.path.join(options.destination, '*highres*')),
logger=logger)
def generate_hydro_datasets(path, output_dir, step):
print(path)
file_name = os.path.splitext(os.path.basename(path))[0]
map_path = output_dir + "/" + file_name + ".map"
path_prefix = map_path[:-14]
if step == "ldd":
cmd = u"gdal_translate -a_nodata -9999 -of PCRaster -ot Float32 " + path + " " + map_path
print(cmd)
subprocess.call(cmd, shell=True)
# slope = pcr.slope(dem)
# pcr.report(slope, path_prefix + '_slope.map')
# pcr.setglobaloption("lddin")
if step == "ldd":
dem = pcr.readmap(map_path)
print("Computing LDD ...")
# enable pit filling
ldd = pcr.lddcreate(dem, 9999999, 9999999, 9999999, 9999999)
pcr.report(ldd, path_prefix + "_ldd.map")
return
elif step == "ldddem":
dem = pcr.readmap(map_path)
print("Computing LDD DEM ...")
dem_pitfilled = pcr.lddcreatedem(dem, 9999999, 9999999, 9999999, 9999999)
dem_diff = dem_pitfilled - dem
pcr.report(dem_diff, path_prefix + "_dem_pits_diff.map")
return
# print("Computing LDD without pit filling ...")
# ldd_pits = pcr.lddcreate(dem, 0, 0, 0, 0)
# pcr.report(ldd_pits, path_prefix + '_ldd_with_pits.map')
# print("Computing pits ...")
# pits = pcr.pit(ldd_pits)
# pcr.report(pits, path_prefix + '_pits.map')
if step == "fa":
ldd = pcr.readmap(path_prefix + "_ldd.map")
print("Computing flow accumulation ...")
fa = pcr.accuflux(ldd, 1)
pcr.report(fa, path_prefix + "_fa.map")
return
if step == "catchments":
ldd = pcr.readmap(path_prefix + "_ldd.map")
print("Delineating catchments ...")
catchments = pcr.catchment(ldd, pcr.pit(ldd))
pcr.report(catchments, path_prefix + "_catchments.map")
return
if step == "stream_order":
ldd = pcr.readmap(path_prefix + "_ldd.map")
print("Computing stream order ...")
stream_order = pcr.streamorder(ldd)
pcr.report(stream_order, path_prefix + "_streamorder.map")
return
if step == "stream":
ldd = pcr.readmap(path_prefix + "_ldd.map")
accuThreshold = 100
print("Computing stream ...")
stream = pcr.ifthenelse(pcr.accuflux(ldd, 1) >= accuThreshold, pcr.boolean(1), pcr.boolean(0))
pcr.report(stream, path_prefix + "_stream.map")
return
if step == "height_river":
print("Computing heigh_river ...")
stream = pcr.readmap(path_prefix + "_stream.map")
dem = pcr.readmap(map_path)
height_river = pcr.ifthenelse(stream, pcr.ordinal(dem), 0)
pcr.report(height_river, path_prefix + "_height_river.map")
return
if step == "up_elevation":
print("Computing up_elevation ...")
height_river = pcr.readmap(path_prefix + "_height_river.map")
ldd = pcr.readmap(path_prefix + "_ldd.map")
up_elevation = pcr.scalar(pcr.subcatchment(ldd, height_river))
pcr.report(up_elevation, path_prefix + "_up_elevation.map")
return
if step == "hand":
print("Computing HAND ...")
dem = pcr.readmap(map_path)
up_elevation = pcr.readmap(path_prefix + "_up_elevation.map")
hand = pcr.max(dem - up_elevation, 0)
pcr.report(hand, path_prefix + "_hand.map")
return
if step == "dand":
print("Computing DAND ...")
ldd = pcr.readmap(path_prefix + "_ldd.map")
stream = pcr.readmap(path_prefix + "_stream.map")
dist = pcr.ldddist(ldd, stream, 1)
pcr.report(dist, path_prefix + "_dist.map")
return
if step == "fa_river":
print("Computing FA river ...")
fa = pcr.readmap(path_prefix + "_fa.map")
stream = pcr.readmap(path_prefix + "_stream.map")
fa_river = pcr.ifthenelse(stream, pcr.ordinal(fa), 0)
pcr.report(fa_river, path_prefix + "_fa_river.map")
return
if step == "faand":
print("Computing FAAND ...")
fa_river = pcr.readmap(path_prefix + "_fa_river.map")
ldd = pcr.readmap(path_prefix + "_ldd.map")
up_fa = pcr.scalar(pcr.subcatchment(ldd, fa_river))
pcr.report(up_fa, path_prefix + "_faand.map")
return
