Esempio n. 1
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def calc_locator_scale(city_slug):
    return extent_scale(city_extent_in_map_srs(city_slug),
                        size=LOCATOR_SIZE,
                        units=settings.MAP_UNITS)
Esempio n. 2
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def get_locator_scale(city_slug, size=(75,75)):
    bbox = transform_extent(get_metro(city_slug)['extent'], settings.SPATIAL_REF_SYS)
    return extent_scale(bbox, size, settings.MAP_UNITS)