def yesno_layers(layer_title, data):
"""Return a list of KML layers which make sense for boolean data stored
as "yes" or "no" strings."""
low_res = geo.aggregate_grid(UGANDA_RECT, 20, 20, data)
hi_res = geo.aggregate_grid(UGANDA_RECT, 120, 120, data)
return [
overlay.placemark_layer(low_res, boolean_data.placemark_from_aggregate,
layer_title),
overlay.polygon_layer(low_res, boolean_data.polygon_from_aggregate,
layer_title + ' low-res'),
overlay.polygon_layer(hi_res, boolean_data.polygon_from_aggregate,
layer_title + ' hi-res'),
overlay.heatmap_layer(UGANDA_RECT, 20, 20, low_res, layer_title, 'low-res'),
overlay.heatmap_layer(UGANDA_RECT, 120, 120, hi_res, layer_title, 'hi-res'),
]
def numeric_layer(layer_title, data):
"""Return a KML layer summarizing numeric survey data."""
data = geo.aggregate_grid(UGANDA_RECT, 20, 20, data)
return overlay.placemark_layer(data, numeric_data.placemark_from_aggregate,
layer_title)
