def load(self):
f = open(self.path, 'rb')
self.din = np.fromfile(f, dtype=np.int64).reshape(-1, 2) # reshape to nrows x 2 cols
f.close()
try:
txthdrpath = rstrip(self.path, '.din') + '.textheader'
f = open(txthdrpath, 'rU') # use universal newline support
self.textheader = f.read() # read it all in
f.close()
except IOError:
warn("couldn't load text header associated with '%s'" % self.name)
self.textheader = '' # set to empty
treestr = self.level*TAB + self.name + '/'
# print string to tree hierarchy and screen
self.writetree(treestr + '\n')
print(treestr)
if self.textheader != '':
# comment out all lines starting with "from dimstim"
self.textheader = self.textheader.replace('from dimstim', '#from dimstim')
names1 = locals().copy() # namespace before execing the textheader
exec(self.textheader)
names2 = locals().copy() # namespace after
# names that were added to the namespace, excluding the 'names1' name itself:
newnames = [ n2 for n2 in names2 if n2 not in names1 and n2 != 'names1' ]
try:
# dimstim up to Cat 15 didn't have a version, neither did NVS display
self.__version__ = eval('__version__')
except NameError:
self.__version__ = 0.0
if self.__version__ >= 0.16: # after major refactoring of dimstim
for newname in newnames:
# bind each variable in the textheader as an attrib of self
self.__setattr__(newname, eval(newname))
self.sweeptable = SweepTable(experiment=self.e) # build the sweep table
self.st = self.sweeptable.data # synonym, used a lot by experiment subclasses
# this doesn't work for textheaders generated by dimstim 0.16, since
# xorigDeg and yorigDeg were accidentally omitted from all the experiment
# scripts and hence the textheaders too:
'''
self.e.xorig = deg2pix(self.e.static.xorigDeg, self.I) + self.I.SCREENWIDTH / 2
self.e.yorig = deg2pix(self.e.static.yorigDeg, self.I) + self.I.SCREENHEIGHT / 2
'''
self.REFRESHTIME = intround(1 / float(self.I.REFRESHRATE) * 1000000) # us
# prevent replication of movie frame data in memory
if type(self.e) == Movie:
fname = os.path.split(self.e.static.fname)[-1] # pathless fname
if fname not in _MOVIES:
# add movie experiment, indexed according to movie data file name,
# to prevent from ever loading its frames more than once
_MOVIES[fname] = e
else:
self.oldparams = dictattr()
for newname in newnames:
# bind each variable in the textheader to oldparams
self.oldparams[newname] = eval(newname)
self.loadCat15exp()
else:
# use the time difference between the first two din instead
self.REFRESHTIME = self.din[1, 0] - self.din[0, 0]
# add an extra refresh time after last din, that's when screen actually turns off
self.trange = (self.din[0, 0], self.din[-1, 0] + self.REFRESHTIME)
def load_din(self):
self.din = np.fromfile(self.path,
dtype=np.int64).reshape(-1,
2) # reshape to 2 cols
# look for a .textheader:
try:
txthdrpath = rstrip(self.path, '.din') + '.textheader'
f = open(txthdrpath, 'rU') # use universal newline support
self.textheader = f.read() # read it all in
f.close()
except IOError:
print("WARNING: couldn't load text header associated with '%s'" %
self.name)
self.textheader = '' # set to empty
if self.textheader != '':
# comment out all lines starting with "from dimstim"
self.textheader = self.textheader.replace('from dimstim',
'#from dimstim')
# execute any remaining 'import' lines first, so that any modules imported
# aren't artefactually detected as having been added to the namespace:
for line in self.textheader.splitlines():
if line.startswith('import'):
exec(line)
thns = {} # textheader namespace
# compiling to code and then executing it is supposed to be faster than directly
# executing a string, according to
# http://lucumr.pocoo.org/2011/2/1/exec-in-python/, but doesn't seem to make
# a difference here:
code = compile(self.textheader, "<string>", "exec")
# don't exec in current namespace, load name:val pairs into thns instead:
exec(code, None, thns)
try:
# dimstim up to ptc15 didn't have a version, neither did NVS display
self.__version__ = thns['__version__'] # a string
except KeyError:
self.__version__ = '0.0'
if float(self.__version__
) >= 0.16: # after major refactoring of dimstim
for name, val in thns.items():
# bind each variable in the textheader as an attrib of self
self.__setattr__(name, val)
# this doesn't work for textheaders generated by dimstim 0.16, since
# xorigDeg and yorigDeg were accidentally omitted from all the experiment
# scripts and hence the textheaders too:
'''
self.e.xorig = deg2pix(self.e.static.xorigDeg, self.I) + self.I.SCREENWIDTH / 2
self.e.yorig = deg2pix(self.e.static.yorigDeg, self.I) + self.I.SCREENHEIGHT / 2
'''
self.REFRESHTIME = intround(1 / float(self.I.REFRESHRATE) *
1000000) # us
# prevent replication of movie frame data in memory
if type(self.e) == Movie:
fname = os.path.split(
self.e.static.fname)[-1] # pathless fname
uns = get_ipython().user_ns
if fname not in uns['MOVIES']:
# add movie experiment, indexed according to movie data file name,
# to prevent from ever loading its frames more than once
uns['MOVIES'][fname] = self.e
else:
self.oldparams = dictattr()
for name, val in thns.items():
# bind each variable in the textheader to oldparams
self.oldparams[name] = val
self.loadptc15exp()
else:
# use the time difference between the first two din instead
self.REFRESHTIME = self.din[1, 0] - self.din[0, 0]
# add an extra refresh time after last din, that's when screen actually turns off
self.trange = (self.din[0, 0], self.din[-1, 0] + self.REFRESHTIME)
def load(self):
f = open(self.path, 'rb')
self.din = np.fromfile(f, dtype=np.int64).reshape(-1, 2) # reshape to 2 cols
f.close()
try:
txthdrpath = rstrip(self.path, '.din') + '.textheader'
f = open(txthdrpath, 'rU') # use universal newline support
self.textheader = f.read() # read it all in
f.close()
except IOError:
print("WARNING: couldn't load text header associated with '%s'" % self.name)
self.textheader = '' # set to empty
treestr = self.level*TAB + self.name + '/'
# print string to tree hierarchy and screen
self.writetree(treestr + '\n')
print(treestr)
if self.textheader != '':
# comment out all lines starting with "from dimstim"
self.textheader = self.textheader.replace('from dimstim', '#from dimstim')
# execute any remaining 'import' lines first, so that any modules imported
# aren't artefactually detected as having been added to the namespace:
for line in self.textheader.splitlines():
if line.startswith('import'):
exec(line)
thns = {} # textheader namespace
# compiling to code and then executing that is supposed to be faster than directly
# executing a string, according to
# http://lucumr.pocoo.org/2011/2/1/exec-in-python/, but doesn't seem to make
# a difference here:
code = compile(self.textheader, "<string>", "exec")
# don't exec in current namespace, load name:val pairs into thns instead:
exec(code, None, thns)
try:
# dimstim up to ptc15 didn't have a version, neither did NVS display
self.__version__ = thns['__version__']
except KeyError:
self.__version__ = 0.0
if self.__version__ >= 0.16: # after major refactoring of dimstim
for name, val in thns.items():
# bind each variable in the textheader as an attrib of self
self.__setattr__(name, val)
# this doesn't work for textheaders generated by dimstim 0.16, since
# xorigDeg and yorigDeg were accidentally omitted from all the experiment
# scripts and hence the textheaders too:
'''
self.e.xorig = deg2pix(self.e.static.xorigDeg, self.I) + self.I.SCREENWIDTH / 2
self.e.yorig = deg2pix(self.e.static.yorigDeg, self.I) + self.I.SCREENHEIGHT / 2
'''
self.REFRESHTIME = intround(1 / float(self.I.REFRESHRATE) * 1000000) # us
# prevent replication of movie frame data in memory
if type(self.e) == Movie:
fname = os.path.split(self.e.static.fname)[-1] # pathless fname
uns = get_ipython().user_ns
if fname not in uns['MOVIES']:
# add movie experiment, indexed according to movie data file name,
# to prevent from ever loading its frames more than once
uns['MOVIES'][fname] = self.e
else:
self.oldparams = dictattr()
for name, val in thns.items():
# bind each variable in the textheader to oldparams
self.oldparams[name] = val
self.loadptc15exp()
else:
# use the time difference between the first two din instead
self.REFRESHTIME = self.din[1, 0] - self.din[0, 0]
# add an extra refresh time after last din, that's when screen actually turns off
self.trange = (self.din[0, 0], self.din[-1, 0] + self.REFRESHTIME)
# these are static, no need for properties:
self.dt = self.trange[1] - self.trange[0] # duration (us)
self.dtsec = self.dt / 1e6
self.dtmin = self.dtsec / 60
self.dthour = self.dtmin / 60
