def _get_data_set_urls(self, list_of_timeseries, is_preview=False):
"""
Returns a list of lists. Each list contains the urls to the files
containing the data for a certain array wrapper.
"""
base_urls = []
time_set_urls = []
total_pages_set = []
if is_preview is False:
page_size = self.page_size
for timeseries in list_of_timeseries:
overall_shape = timeseries.read_data_shape()
total_pages = overall_shape[0] // self.page_size
if overall_shape[0] % self.page_size > 0:
total_pages += 1
timeline_urls = []
ts_gid = timeseries.gid.load().hex
for i in range(total_pages):
current_max_size = min((i + 1) * self.page_size, overall_shape[0]) - i * self.page_size
params = "current_page=" + str(i) + ";page_size=" + str(self.page_size) + \
";max_size=" + str(current_max_size)
timeline_urls.append(URLGenerator.build_h5_url(ts_gid, 'read_time_page', parameter=params))
base_urls.append(URLGenerator.build_base_h5_url(ts_gid))
time_set_urls.append(timeline_urls)
total_pages_set.append(total_pages)
else:
ts_gid = list_of_timeseries[0].gid.load().hex
base_urls.append(URLGenerator.build_base_h5_url(ts_gid))
total_pages_set.append(1)
page_size = self.preview_page_size
params = "current_page=0;page_size=" + str(self.preview_page_size) + ";max_size=" + \
str(min(self.preview_page_size, list_of_timeseries[0].read_data_shape()[0]))
time_set_urls.append([URLGenerator.build_h5_url(ts_gid, 'read_time_page', parameter=params)])
return base_urls, page_size, total_pages_set, time_set_urls
def _launch(self, view_model, figsize, preview=False):
time_series_index = self.load_entity_by_gid(view_model.time_series)
h5_file = h5.h5_file_for_index(time_series_index)
assert isinstance(h5_file, TimeSeriesH5)
shape = list(h5_file.read_data_shape())
ts = h5_file.storage_manager.get_data('time')
state_variables = time_series_index.get_labels_for_dimension(1)
labels = self.get_space_labels(h5_file)
# Assume that the first dimension is the time since that is the case so far
if preview and shape[0] > self.MAX_PREVIEW_DATA_LENGTH:
shape[0] = self.MAX_PREVIEW_DATA_LENGTH
# when surface-result, the labels will be empty, so fill some of them,
# but not all, otherwise the viewer will take ages to load.
if shape[2] > 0 and len(labels) == 0:
for n in range(min(self.MAX_PREVIEW_DATA_LENGTH, shape[2])):
labels.append("Node-" + str(n))
pars = {'baseURL': URLGenerator.build_base_h5_url(time_series_index.gid),
'labels': labels, 'labels_json': json.dumps(labels),
'ts_title': time_series_index.title, 'preview': preview, 'figsize': figsize,
'shape': repr(shape), 't0': ts[0],
'dt': ts[1] - ts[0] if len(ts) > 1 else 1,
'labelsStateVar': state_variables, 'labelsModes': list(range(shape[3]))
}
pars.update(self.build_params_for_subselectable_ts(h5_file))
h5_file.close()
return self.build_display_result("time_series/view", pars, pages=dict(controlPage="time_series/control"))
