def set_linear_settings(self):
# Make render tab set to Mentalray
current_renderer = pm.setAttr('defaultRenderGlobals.currentRenderer', 'mentalRay', type='string')
# Turn on Enable Color Management and update the other widgets accordingly
Enable_color_managment = pm.setAttr('defaultRenderGlobals.colorProfileEnabled', 1)
pm.mel.updateCommonColorProfile()
utils.set_attrs( pm, {
# Swich Image Format to EXR and Image compression to PIZ
'defaultRenderGlobals.imageFormat': 51,
'defaultRenderGlobals.imfPluginKey':'exr',
'mentalrayGlobals.imageCompression': 3,
# Switch Date Type to RGBA(Float) 4*32 Bit under Framebuffer in Quality tab
'miDefaultFramebuffer.datatype': 5,
#Set the Default View Color Manager
'defaultViewColorManager.imageColorProfile': 2,
})
def set_linear_settings(self):
"""
Sets global renderer setting for the VRay linear workflow
"""
# Make sure that VRay plugin loaded
# and render tab set to vray
pm.mel.loadPlugin('vrayformaya')
pm.mel.vrayRegisterRenderer()
pm.mel.vrayCreateVRaySettingsNode()
current_renderer = pm.Attribute('defaultRenderGlobals.currentRenderer')
current_renderer.set('vray')
# Get scene VRay settngs node
vray_settings = pm.PyNode('vraySettings')
utils.set_attrs(vray_settings, {
# Image File Output
'imageFormatStr': 'exr',
# Color mapping
'cmap_adaptationOnly': 1, # Don't affect colors, only adaptation
# Add your attribute here...
})
def raw_to_h5(filenames, out = "out.h5", handlers = available_handlers,
t0 = dp.parse('2004-01-01 00:00:00 +0000'), skip_on_assert = False, show_progress = True, ignore_errors = False, skip_unhandled = False):
"""
converts ASCII data to HDF5 tables
filenames : iterable, filenames of all data files (events, weather, etc.) in any order
out : string, filename of outputfile (default='out.h5')
handlers : iterable of LineHandlers for parsing the data files (default=available_handlers)
t0 : datetime, reference time for 'time' column,
time is stored as 'time since t0' (default='2004-01-01 00:00:00 +0100')
skip_on_assert: if True, skip lines that are invalid (if LineHandler.verify() raises AssertionError)
(default=False, exception is raised)
"""
_filenames = []
for f in filenames:
if path.exists(f):
if path.isdir(f):
for dn, dns, fns in os.walk(f):
for fn in fns:
_filenames.append(path.join(dn, fn))
else:
_filenames.append(f)
filenames = _filenames
if verbose > 0:
print 'files to process:'
for fn in filenames:
print ' ', fn
assert len(filenames) > 0, 'no input files'
if show_progress:
pb = ProgressBar(maxval = len(filenames), widgets = [Bar(), ' ', Percentage(), ' ', ETA()], fd = sys.stdout)
print "reference time t0 =", t0
print 'autodetecting file types...'
def read_files(files, row, handler):
for f in files:
for entry in fileiter(f, handler, skip_on_assert, show_progress, ignore_errors):
try:
for k, v in zip(handler.col_names, entry):
if isinstance(v, dt.datetime):
row[k] = (v - t0).total_seconds()
else:
row[k] = v
row.append()
except StopIteration:
pass
if show_progress:
pb.update(pb.currval + 1)
# autodetect handlers and time sort files
files_dict = detect_and_sort(filenames, skip_unhandled)
if show_progress:
print 'detected file types:', ['{} ({})'.format(k.table_name, len(v)) for k, v in files_dict.iteritems()]
print "processing data... (%d files)" % (len(filenames),)
pb.start()
# create HDF5 file
filters = t.Filters(complevel = 1, complib = 'zlib')
with t.openFile(out, 'w', 'datafile created with raw_to_h5', filters = filters) as h5:
h5.root._v_attrs.creationdate = dt.datetime.now(pytz.utc).isoformat()
raw = h5.createGroup(h5.root, 'raw', 'raw data')
# create and fill raw data tables
for handler, files in files_dict.iteritems():
handler = handler() # instanciate the LineHandler
title = handler.table_title
if show_progress:
print 'creating table: %s (%s)' % (handler.table_name, title)
table = h5.createTable(raw, handler.table_name, handler.col_descriptor,
title, expectedrows = 10000 * len(files))
set_attrs(table, t0, handler.col_units)
read_files(files, table.row, handler)
table.flush()
if show_progress:
pb.finish()
def merge(primary_file, secondary_file = None, outfile = None, primary_table = None, secondary_table = None, merge_on = 'time', max_inter = 4 * 3600, quiet = False):
# open data file(s)
if outfile is None:
h5pri = h5out = t.openFile(primary_file, 'r+')
else:
h5pri = t.openFile(primary_file, 'r')
h5out = t.openFile(outfile, 'w')
if secondary_file is None or os.path.abspath(primary_file) == os.path.abspath(secondary_file):
h5sec = h5pri
else:
h5sec = t.openFile(secondary_file, 'r')
with h5pri, h5sec, h5out:
# open event table and read t0
pri_table = h5pri.getNode(primary_table)
_printinfo(pri_table)
t0e = dp.parse(pri_table.attrs.t0)
eunits = list(json.loads(pri_table.attrs.units))
assert pri_table.nrows > 1
# open weather table and read t0
sec_table = h5sec.getNode(secondary_table)
_printinfo(sec_table)
t0w = dp.parse(sec_table.attrs.t0)
wunits = list(json.loads(sec_table.attrs.units))
assert sec_table.nrows > 1
# global t0 is the smaller one
t0 = min(t0w, t0e)
print "global reference time t0 =", t0
# time offset for weather, to adjust for new global t0
toffw = (t0w - t0).total_seconds()
if toffw != 0:
print "weather time offset =", toffw
# time offset for events, to adjust for new global t0
toffe = (t0e - t0).total_seconds()
if toffe != 0:
print " event time offset =", toffe
# get column index for 'time' in each table
etime = pri_table.colnames.index(merge_on)
wtime = sec_table.colnames.index(merge_on)
# build column descriptors for table of merged data
merged_descriptor = OrderedDict() # keep the order
for k in pri_table.colnames:
merged_descriptor[k] = pri_table.coldescrs[k]
# add cols of weather table
weather_colnames = list(sec_table.colnames) # work on copy
weather_colnames.pop(wtime) # remove 'time' column
for k in weather_colnames: # add remaining cols
merged_descriptor[k] = sec_table.coldescrs[k].copy()
# adjust position fields (column order in descriptors)
for i, v in enumerate(merged_descriptor.values()):
v._v_pos = i
# merge unit description
merged_units = eunits
wunits.pop(wtime)
merged_units.extend(wunits)
# create table for merged data
try:
merged = h5out.getNode('/merged')
except:
merged = h5out.createGroup(h5out .root, 'merged', 'merged data')
merged_table = h5out.createTable(merged, os.path.basename(primary_table), merged_descriptor,
pri_table._v_title + ' merged with ' + sec_table._v_title ,
expectedrows = pri_table.nrows)
set_attrs(merged_table, t0, tuple(merged_units)) # store new global t0 with this table
row = merged_table.row
_printinfo(merged_table)
# get the first TWO weather rows, i.e. the first weather interval
weather_iterator = sec_table.iterrows()
weather_0 = weather_iterator.next()[:]
tw0 = weather_0[wtime] + toffw
weather_1 = weather_iterator.next()[:]
tw1 = weather_1[wtime] + toffw
# start console progress bar
print "merging data..."
if not quiet:
pb = ProgressBar(maxval = pri_table.nrows,
widgets = [Bar(), ' ', Percentage(), ' ', ETA()], fd = sys.stdout)
pb.start()
# loop over events
event_counter = 0
for event in pri_table:
if not quiet:
pb.update(pb.currval + 1) # update progress bar
# skip to next event if weather too new
te = event[etime] + toffe # adjust for global t0, apply offset
if te < tw0: # if eventime < start of weather interval...
continue
try: # skip to next pair of weather data until the event is contained
while not (tw0 <= te <= tw1):
weather_0 = weather_1 # shift 1 -> 0
tw0 = weather_0[wtime] + toffw # adjust for global t0, apply offset
weather_1 = weather_iterator.next()[:] # get next weather row as tuple (do [:])
tw1 = weather_1[wtime] + toffw # adjust for global t0, apply offset
except StopIteration:
break # exit event loop if there are no more weather rows
# skip event if weather interval too long (weather regarded as invalid)
if (tw1 - tw0) > max_inter:
continue
# interpolate weather data to event time
winterp = _interpolate(te, weather_0, weather_1, wtime)
winterp.pop(wtime) # remove 'time' col from interpolated weather
# merged data: event with weather data
ew = list(event[:]) # copy event data
ew[etime] = te; # update event time (because of offset)
ew.extend(winterp) # add interpolated weather data
assert len(merged_descriptor) == len(ew) # length must match
# write newly merged data into row
for k, v in zip(merged_descriptor.keys(), ew):
row[k] = v
# append row
row.append()
event_counter += 1 # count merged events
if not quiet:
pb.finish() # finish progress bar
merged_table.flush() # force writing the table
# output status information
print "merged %d of %d events, skipped %d" % (event_counter, pri_table.nrows, pri_table.nrows - event_counter)
print "first merged record", seconds2datetime(t0, merged_table[0][etime])
print " last merged record", seconds2datetime(t0, merged_table[-1][etime])
def raw_to_h5(filenames,
out="out.h5",
handlers=available_handlers,
t0=dp.parse('2004-01-01 00:00:00 +0000'),
skip_on_assert=False,
show_progress=True,
ignore_errors=False,
skip_unhandled=False):
"""
converts ASCII data to HDF5 tables
filenames : iterable, filenames of all data files (events, weather, etc.) in any order
out : string, filename of outputfile (default='out.h5')
handlers : iterable of LineHandlers for parsing the data files (default=available_handlers)
t0 : datetime, reference time for 'time' column,
time is stored as 'time since t0' (default='2004-01-01 00:00:00 +0100')
skip_on_assert: if True, skip lines that are invalid (if LineHandler.verify() raises AssertionError)
(default=False, exception is raised)
"""
_filenames = []
for f in filenames:
if path.exists(f):
if path.isdir(f):
for dn, dns, fns in os.walk(f):
for fn in fns:
_filenames.append(path.join(dn, fn))
else:
_filenames.append(f)
filenames = _filenames
if verbose > 0:
print 'files to process:'
for fn in filenames:
print ' ', fn
assert len(filenames) > 0, 'no input files'
if show_progress:
pb = ProgressBar(maxval=len(filenames),
widgets=[Bar(), ' ',
Percentage(), ' ',
ETA()],
fd=sys.stdout)
print "reference time t0 =", t0
print 'autodetecting file types...'
def read_files(files, row, handler):
for f in files:
for entry in fileiter(f, handler, skip_on_assert, show_progress,
ignore_errors):
try:
for k, v in zip(handler.col_names, entry):
if isinstance(v, dt.datetime):
row[k] = (v - t0).total_seconds()
else:
row[k] = v
row.append()
except StopIteration:
pass
if show_progress:
pb.update(pb.currval + 1)
# autodetect handlers and time sort files
files_dict = detect_and_sort(filenames, skip_unhandled)
if show_progress:
print 'detected file types:', [
'{} ({})'.format(k.table_name, len(v))
for k, v in files_dict.iteritems()
]
print "processing data... (%d files)" % (len(filenames), )
pb.start()
# create HDF5 file
filters = t.Filters(complevel=1, complib='zlib')
with t.openFile(out,
'w',
'datafile created with raw_to_h5',
filters=filters) as h5:
h5.root._v_attrs.creationdate = dt.datetime.now(pytz.utc).isoformat()
raw = h5.createGroup(h5.root, 'raw', 'raw data')
# create and fill raw data tables
for handler, files in files_dict.iteritems():
handler = handler() # instanciate the LineHandler
title = handler.table_title
if show_progress:
print 'creating table: %s (%s)' % (handler.table_name, title)
table = h5.createTable(raw,
handler.table_name,
handler.col_descriptor,
title,
expectedrows=10000 * len(files))
set_attrs(table, t0, handler.col_units)
read_files(files, table.row, handler)
table.flush()
if show_progress:
pb.finish()
def merge(primary_file,
secondary_file=None,
outfile=None,
primary_table=None,
secondary_table=None,
merge_on='time',
max_inter=4 * 3600,
quiet=False):
# open data file(s)
if outfile is None:
h5pri = h5out = t.openFile(primary_file, 'r+')
else:
h5pri = t.openFile(primary_file, 'r')
h5out = t.openFile(outfile, 'w')
if secondary_file is None or os.path.abspath(
primary_file) == os.path.abspath(secondary_file):
h5sec = h5pri
else:
h5sec = t.openFile(secondary_file, 'r')
with h5pri, h5sec, h5out:
# open event table and read t0
pri_table = h5pri.getNode(primary_table)
_printinfo(pri_table)
t0e = dp.parse(pri_table.attrs.t0)
eunits = list(json.loads(pri_table.attrs.units))
assert pri_table.nrows > 1
# open weather table and read t0
sec_table = h5sec.getNode(secondary_table)
_printinfo(sec_table)
t0w = dp.parse(sec_table.attrs.t0)
wunits = list(json.loads(sec_table.attrs.units))
assert sec_table.nrows > 1
# global t0 is the smaller one
t0 = min(t0w, t0e)
print "global reference time t0 =", t0
# time offset for weather, to adjust for new global t0
toffw = (t0w - t0).total_seconds()
if toffw != 0:
print "weather time offset =", toffw
# time offset for events, to adjust for new global t0
toffe = (t0e - t0).total_seconds()
if toffe != 0:
print " event time offset =", toffe
# get column index for 'time' in each table
etime = pri_table.colnames.index(merge_on)
wtime = sec_table.colnames.index(merge_on)
# build column descriptors for table of merged data
merged_descriptor = OrderedDict() # keep the order
for k in pri_table.colnames:
merged_descriptor[k] = pri_table.coldescrs[k]
# add cols of weather table
weather_colnames = list(sec_table.colnames) # work on copy
weather_colnames.pop(wtime) # remove 'time' column
for k in weather_colnames: # add remaining cols
merged_descriptor[k] = sec_table.coldescrs[k].copy()
# adjust position fields (column order in descriptors)
for i, v in enumerate(merged_descriptor.values()):
v._v_pos = i
# merge unit description
merged_units = eunits
wunits.pop(wtime)
merged_units.extend(wunits)
# create table for merged data
try:
merged = h5out.getNode('/merged')
except:
merged = h5out.createGroup(h5out.root, 'merged', 'merged data')
merged_table = h5out.createTable(merged,
os.path.basename(primary_table),
merged_descriptor,
pri_table._v_title + ' merged with ' +
sec_table._v_title,
expectedrows=pri_table.nrows)
set_attrs(merged_table, t0,
tuple(merged_units)) # store new global t0 with this table
row = merged_table.row
_printinfo(merged_table)
# get the first TWO weather rows, i.e. the first weather interval
weather_iterator = sec_table.iterrows()
weather_0 = weather_iterator.next()[:]
tw0 = weather_0[wtime] + toffw
weather_1 = weather_iterator.next()[:]
tw1 = weather_1[wtime] + toffw
# start console progress bar
print "merging data..."
if not quiet:
pb = ProgressBar(maxval=pri_table.nrows,
widgets=[Bar(), ' ',
Percentage(), ' ',
ETA()],
fd=sys.stdout)
pb.start()
# loop over events
event_counter = 0
for event in pri_table:
if not quiet:
pb.update(pb.currval + 1) # update progress bar
# skip to next event if weather too new
te = event[etime] + toffe # adjust for global t0, apply offset
if te < tw0: # if eventime < start of weather interval...
continue
try: # skip to next pair of weather data until the event is contained
while not (tw0 <= te <= tw1):
weather_0 = weather_1 # shift 1 -> 0
tw0 = weather_0[
wtime] + toffw # adjust for global t0, apply offset
weather_1 = weather_iterator.next(
)[:] # get next weather row as tuple (do [:])
tw1 = weather_1[
wtime] + toffw # adjust for global t0, apply offset
except StopIteration:
break # exit event loop if there are no more weather rows
# skip event if weather interval too long (weather regarded as invalid)
if (tw1 - tw0) > max_inter:
continue
# interpolate weather data to event time
winterp = _interpolate(te, weather_0, weather_1, wtime)
winterp.pop(wtime) # remove 'time' col from interpolated weather
# merged data: event with weather data
ew = list(event[:]) # copy event data
ew[etime] = te
# update event time (because of offset)
ew.extend(winterp) # add interpolated weather data
assert len(merged_descriptor) == len(ew) # length must match
# write newly merged data into row
for k, v in zip(merged_descriptor.keys(), ew):
row[k] = v
# append row
row.append()
event_counter += 1 # count merged events
if not quiet:
pb.finish() # finish progress bar
merged_table.flush() # force writing the table
# output status information
print "merged %d of %d events, skipped %d" % (
event_counter, pri_table.nrows, pri_table.nrows - event_counter)
print "first merged record", seconds2datetime(t0,
merged_table[0][etime])
print " last merged record", seconds2datetime(t0,
merged_table[-1][etime])
