def _get_fill_color_transform(table, geometry_column_names):
column_name, name_parts = _prepare_column_name(
FILL_COLOR_COLUMN_PATTERN, table.columns)
if not column_name:
return
color_scheme, summary_type = name_parts
local_property_name = 'fillColor'
if color_scheme == 'color':
summarize = _define_summarize_colors(summary_type or 'mean')
normalize = rgb2hex
else:
hex_array = _get_hex_array(color_scheme)
summarize = _define_summarize_numbers(summary_type or 'sum')
normalize_number = define_normalize(_get_summary_domain(
table, geometry_column_names, column_name, summarize), [0, 8.9999])
def normalize(x):
index_string = floor(normalize_number(x))
try:
index = int(index_string)
except ValueError:
index = 0
return hex_array[index]
return _define_transform(
column_name, local_property_name, normalize, summarize)
def _get_radius_transform(table, geometry_column_names):
column_name, name_parts = _prepare_column_name(
RADIUS_COLUMN_PATTERN, table.columns)
if not column_name:
return
scale, has_range, y_min, y_max, summary_type = name_parts
local_property_name = 'radius_in_' + scale
summarize = _define_summarize_numbers(summary_type or 'sum')
normalize = define_normalize(_get_summary_domain(
table, geometry_column_names, column_name, summarize,
), [float(y_min), float(y_max)]) if has_range else lambda x: x
return _define_transform(
column_name, local_property_name, normalize, summarize)
