def test_medium_zoo(self): import shapely.geometry from vectordatasource.util import calculate_way_area, \ calculate_1px_zoom import math target_zoom = 11.0 # want a zoom 11 feature, so make one with a triangle. target_area = math.exp((17.256 - target_zoom) * math.log(4)) # make area with a half-square triangle. s = math.sqrt(target_area * 2.0) shape = shapely.geometry.Polygon([(0, 0), (s, s), (s, 0)]) props = { 'zoo': 'enclosure', } # test the utility functions we're relying on util_way_area = calculate_way_area(shape) self.assertAlmostEqual(target_area, util_way_area) util_min_zoom = calculate_1px_zoom(shape.area) self.assertAlmostEqual(target_zoom, util_min_zoom) meta = make_test_metadata() out_min_zoom = self.landuse.fn(shape, props, None, meta) self.assertAlmostEqual(target_zoom, out_min_zoom)
def test_medium_zoo(self): import shapely.geometry from vectordatasource.util import calculate_way_area, \ calculate_1px_zoom import math target_zoom = 14.0 # want a zoom 14 feature, so make one with a triangle. target_area = math.exp((17.256 - target_zoom) * math.log(4)) # make area with a half-square triangle. s = math.sqrt(target_area * 2.0) shape = shapely.geometry.Polygon([(0, 0), (s, s), (s, 0)]) props = { 'zoo': 'enclosure', } # test the utility functions we're relying on util_way_area = calculate_way_area(shape) self.assertAlmostEqual(target_area, util_way_area) util_min_zoom = calculate_1px_zoom(shape.area) self.assertAlmostEqual(target_zoom, util_min_zoom) meta = make_test_metadata() out_min_zoom = self.landuse.fn(shape, props, None, meta) self.assertAlmostEqual(target_zoom, out_min_zoom)