def sample_granule(self):
pdict = CoverageCraft.create_parameters()
rdt = RecordDictionaryTool(param_dictionary=pdict)
rdt['time'] = np.arange(20)
rdt['temp'] = np.array([5] * 20)
rdt['conductivity'] = np.array([10] * 20)
rdt['lat'] = np.array([0] * 20)
rdt['lon'] = np.array([0] * 20)
rdt['depth'] = np.array([0] * 20)
rdt['data'] = np.array([0x01] * 20)
return build_granule('sample', param_dictionary=pdict, record_dictionary=rdt)
def _trigger_func(self, stream_id):
#@todo - add lots of comments in here
while not self.finished.is_set():
length = 10
#Explicitly make these numpy arrays...
c = numpy.array([random.uniform(0.0,75.0) for i in xrange(length)])
t = numpy.array([random.uniform(-1.7, 21.0) for i in xrange(length)])
p = numpy.array([random.lognormvariate(1,2) for i in xrange(length)])
lat = numpy.array([random.uniform(-90.0, 90.0) for i in xrange(length)])
lon = numpy.array([random.uniform(0.0, 360.0) for i in xrange(length)])
tvar = numpy.array([self.last_time + i for i in xrange(1,length+1)])
self.last_time = max(tvar)
rdt = RecordDictionaryTool(taxonomy=tx)
# This is an example of using groups it is not a normative statement about how to use groups
rdt['temp'] = t
rdt['cond'] = c
rdt['pres'] = p
#add a value sequence of raw bytes - not sure the type below is correct?
with open('/dev/urandom','r') as rand:
rdt['raw_fixed'] = numpy.array([rand.read(32) for i in xrange(length)], dtype='a32')
#add a value sequence of raw bytes - not sure the type below is correct?
with open('/dev/urandom','r') as rand:
rdt['raw_blob'] = numpy.array([rand.read(random.randint(1,40)) for i in xrange(length)], dtype=object)
rdt['time'] = tvar
rdt['lat'] = lat
rdt['lon'] = lon
g = build_granule(data_producer_id=stream_id, taxonomy=tx, record_dictionary=rdt)
log.info('Sending %d values!' % length)
if(isinstance(g,Granule)):
self.publish(g)
gevent.sleep(self.interval)
