(datetimeToString(tecRedef), os.linesep) )
f.write("%s output_current_state%s" %
(datetimeToString(tecOutput), os.linesep) )
f.close()
RHESSysMetadata.writeRHESSysEntry( context, 'tec_lairead', paths.relpath(tecPath) )
## 4. Run RHESSys for the first 4 legal days with redefine TEC
rhessysStart = startDate
rhessysDur = datetime.timedelta(days=3)
rhessysEnd = startDate + rhessysDur
surfaceFlowtablePath = os.path.join(context.projectDir, metadata['surface_flowtable'])
subSurfaceFlowtablePath = os.path.join(context.projectDir, metadata['subsurface_flowtable'])
rhessysBinPath = os.path.join(context.projectDir, metadata['rhessys_bin'])
rhessysCmd = generateCommandString(rhessysBinPath, None,
rhessysStart, rhessysEnd,
tecPath, oldWorldPath,
subSurfaceFlowtablePath, surfaceFlowtablePath)
if args.verbose:
print(rhessysCmd)
sys.stdout.write('\nRunning RHESSys to redefine worldfile with vegetation carbon stores...')
sys.stdout.flush()
cmdArgs = rhessysCmd.split()
process = Popen(cmdArgs, cwd=paths.RHESSYS_DIR, stdout=PIPE, stderr=PIPE)
(process_stdout, process_stderr) = process.communicate()
if args.verbose:
sys.stdout.write(process_stdout)
sys.stderr.write(process_stderr)
if process.returncode != 0:
sys.exit("\n\nRHESSys failed, returning %s" % (process.returncode,) )
def run(self, *args, **kwargs):
""" Run lairead for multiple worldfiles
Arguments:
topmodel -- boolean Whether to run RHESSys in TOPMODEL model. Default: False.
verbose -- boolean Produce verbose output. Default: False.
"""
verbose = kwargs.get('verbose', False)
topmodel = kwargs.get('topmodel', False)
self.checkMetadata(topmodel=topmodel)
rhessysDir = self.metadata['rhessys_dir']
self.paths = RHESSysPaths(self.context.projectDir, rhessysDir)
rhessysBinPath = os.path.join(self.context.projectDir, self.metadata['rhessys_bin'])
# Make sure region is properly set
demRast = self.grassMetadata['dem_rast']
result = self.grassLib.script.run_command('g.region', rast=demRast)
if result != 0:
raise RunException("g.region failed to set region to DEM, returning {0}".format(result))
# Run lairead for each worldfile
lairead_tecfiles = []
final_worldfiles = []
worldfiles = self.metadata['worldfiles_init'].split(RHESSysMetadata.VALUE_DELIM)
masks = self.metadata['subbasin_masks'].split(RHESSysMetadata.VALUE_DELIM)
surfaceFlowtables = subsurfaceFlowtables = None
if not topmodel:
surfaceFlowtables = self.metadata['surface_flowtables'].split(RHESSysMetadata.VALUE_DELIM)
subsurfaceFlowtables = self.metadata['subsurface_flowtables'].split(RHESSysMetadata.VALUE_DELIM)
for (i, worldfile) in enumerate(worldfiles):
worldfilePath = os.path.join(self.context.projectDir, worldfile)
worldfileDir = os.path.dirname(worldfilePath)
surfaceFlowtable = subsurfaceFlowtable = None
if not topmodel:
surfaceFlowtable = surfaceFlowtables[i] # Assumption: worldfiles and flowtables lists are in the same order
subsurfaceFlowtable = subsurfaceFlowtables[i] # Assumption: worldfiles and flowtables lists are in the same order
# Mask to correct mask
mask = masks[i] # Assumption: worldfiles and masks lists are in the same order
result = self.grassLib.script.run_command('r.mask', flags='o', input=mask, maskcats='1',
quiet=True)
if result != 0:
raise RunException("r.mask failed to set mask to sub-basin {0}, returning {1}".format(mask,
result))
## 1. Determine legal simulation start and date from climate data
# Read first climate station from worldfile
header = "{0}.hdr".format(worldfile)
headerPath = os.path.join(self.context.projectDir, header)
stations = getClimateBaseStationFilenames(headerPath)
if not len(stations) > 0:
raise RunException("No climate stations found in worldfile header {0}".format(headerPath))
firstStationPath = os.path.normpath( os.path.join(self.paths.RHESSYS_DIR, stations[0]) )
if verbose:
self.outfp.write("First climate station in worldfile: %s\n" % (firstStationPath,) )
# Read climate timeseries for start and end date, write to metadata
(startDate, endDate) = getStartAndEndDateForClimateStation(firstStationPath, self.paths)
if verbose:
self.outfp.write("start date: %s, end date: %s\n" % ( str(startDate), str(endDate) ) )
fourDays = datetime.timedelta(days=4)
if endDate - startDate < fourDays:
raise RunException("Climate time-series defined by station %s is too short to run lairead (less than four-days long)" %
(firstStationPath,) )
## 2. Run LAI read to generate redefine worldfile
tecDurRedef = datetime.timedelta(days=1)
tecRedef = startDate + tecDurRedef
laireadPath = os.path.join(self.context.projectDir, self.metadata['lairead_bin'])
oldWorldPath = os.path.join(self.context.projectDir, worldfile)
redefWorldName = "%s.Y%dM%dD%dH%d" % \
(worldfile, tecRedef.year, tecRedef.month, tecRedef.day, tecRedef.hour)
redefWorldPath = os.path.join(self.context.projectDir, redefWorldName)
allomPath = os.path.join(self.context.projectDir, self.metadata['allometric_table'])
if verbose:
self.outfp.write("\nRunning lairead for subbasin {0}...".format(mask))
p = self.grassLib.script.pipe_command(laireadPath, old=oldWorldPath, redef=redefWorldPath,
allom=allomPath, lai=self.grassMetadata['lai_rast'],
vegid=self.grassMetadata['stratum_rast'],
zone=self.grassMetadata['zone_rast'],
hill=self.grassMetadata['hillslope_rast'],
patch=self.grassMetadata['patch_rast'],
mask=mask)
(stdoutStr, stderrStr) = p.communicate()
result = p.returncode
if result != 0:
self.outfp.write(stdoutStr)
raise RunException("\nlairead failed, returning %s" % (result,))
if verbose:
self.outfp.write('done\n')
## 3. Write TEC file for redefining the initial flow table
## Redefine on the second day of the simulation, write output
## on the third day
tecName = "tec.lairead_{0}".format(mask)
tecPath = os.path.join(self.paths.RHESSYS_TEC, tecName)
tecDurOutput = datetime.timedelta(days=2)
tecOutput = startDate + tecDurOutput
f = open(tecPath, 'w')
f.write("%s redefine_world%s" %
(datetimeToString(tecRedef), os.linesep) )
f.write("%s output_current_state%s" %
(datetimeToString(tecOutput), os.linesep) )
f.close()
lairead_tecfiles.append(tecPath)
## 4. Run RHESSys for the first 4 legal days with redefine TEC
rhessysStart = startDate
rhessysDur = datetime.timedelta(days=3)
rhessysEnd = startDate + rhessysDur
surfaceFlowtablePath = subSurfaceFlowtablePath = None
if not topmodel:
surfaceFlowtablePath = os.path.join(self.context.projectDir, surfaceFlowtable)
subsurfaceFlowtablePath = os.path.join(self.context.projectDir, subsurfaceFlowtable)
rhessysCmd = generateCommandString(rhessysBinPath, None,
rhessysStart, rhessysEnd,
tecPath, oldWorldPath,
surfaceFlowtablePath, subsurfaceFlowtablePath)
if verbose:
self.outfp.write('\nRunning RHESSys to redefine worldfile with vegetation carbon stores...\n')
self.outfp.write(rhessysCmd)
self.outfp.write('\n')
cmdArgs = rhessysCmd.split()
process = Popen(cmdArgs, cwd=self.paths.RHESSYS_DIR, stdout=PIPE, stderr=PIPE)
(process_stdout, process_stderr) = process.communicate()
if verbose:
self.outfp.write(process_stdout)
self.outfp.write(process_stderr)
if process.returncode != 0:
raise RunException("\n\nRHESSys failed, returning %s" % (process.returncode,) )
if verbose:
sys.stdout.write('done\n')
## 5. Rename redefine worldfile, write to metadata
outputWorldName = "%s.Y%dM%dD%dH%d.state" % \
(worldfile, tecOutput.year, tecOutput.month, tecOutput.day, tecOutput.hour)
outputWorldPath = os.path.join(self.context.projectDir, outputWorldName)
if not os.access(outputWorldPath, os.W_OK):
raise RunException("Unable to find redefined worldfile %s" % (outputWorldPath,) )
newWorldName = "world_{0}".format(mask)
newWorldPath = os.path.join(self.paths.RHESSYS_WORLD, newWorldName)
shutil.move(outputWorldPath, newWorldPath)
if not os.path.exists(newWorldPath):
raise RunException("Failed to copy redefined worldfile %s to %s" % (outputWorldPath, newWorldPath) )
final_worldfiles.append(newWorldPath)
# Copy world file header from init worldfile to final world file
newHeader = "%s.hdr" % (newWorldName,)
newHeaderPath = os.path.join(self.paths.RHESSYS_WORLD, newHeader)
shutil.copyfile(headerPath, newHeaderPath)
if verbose:
sys.stdout.write('\n\nSuccessfully used lairead to initialize vegetation carbon stores.\n')
# Write metadata
RHESSysMetadata.writeRHESSysEntry(self.context, 'worldfiles',
RHESSysMetadata.VALUE_DELIM.join([self.paths.relpath(w) for w in final_worldfiles]))
RHESSysMetadata.writeRHESSysEntry(self.context, 'lairead_tecfiles',
RHESSysMetadata.VALUE_DELIM.join([self.paths.relpath(t) for t in lairead_tecfiles]))
RHESSysMetadata.writeRHESSysEntry(self.context, 'lairead_mode_topmodel', str(topmodel))
# Write processing history
RHESSysMetadata.appendProcessingHistoryItem(self.context, RHESSysMetadata.getCommandLine())
f.close()
RHESSysMetadata.writeRHESSysEntry(context, 'tec_lairead',
paths.relpath(tecPath))
## 4. Run RHESSys for the first 4 legal days with redefine TEC
rhessysStart = startDate
rhessysDur = datetime.timedelta(days=3)
rhessysEnd = startDate + rhessysDur
surfaceFlowtablePath = os.path.join(context.projectDir,
metadata['surface_flowtable'])
subSurfaceFlowtablePath = os.path.join(context.projectDir,
metadata['subsurface_flowtable'])
rhessysBinPath = os.path.join(context.projectDir, metadata['rhessys_bin'])
rhessysCmd = generateCommandString(rhessysBinPath, None, rhessysStart,
rhessysEnd, tecPath, oldWorldPath,
surfaceFlowtablePath,
subSurfaceFlowtablePath)
if args.verbose:
print(rhessysCmd)
sys.stdout.write(
'\nRunning RHESSys to redefine worldfile with vegetation carbon stores...')
sys.stdout.flush()
cmdArgs = rhessysCmd.split()
process = Popen(cmdArgs, cwd=paths.RHESSYS_DIR, stdout=PIPE, stderr=PIPE)
(process_stdout, process_stderr) = process.communicate()
if args.verbose:
sys.stdout.write(process_stdout)
sys.stderr.write(process_stderr)
if process.returncode != 0:
sys.exit("\n\nRHESSys failed, returning %s" % (process.returncode, ))