Created
February 8, 2016 16:09
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mvt bounds
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| from tilequeue.transform import apply_to_all_coords | |
| from tilequeue.transform import rescale_point | |
| import shapely.wkt | |
| def coerce_int((x, y)): | |
| return int(x), int(y) | |
| def make_fn(fn): | |
| def _fn((x, y)): | |
| x, y = fn((x, y)) | |
| return coerce_int((x, y)) | |
| return _fn | |
| scale = 4096 | |
| bounds = (0., 0., 4096., 4096.) | |
| geometry_wkt = 'POLYGON((0 0, 4096 0, 4096 4096, 0 4096, 0 0))' | |
| shape = shapely.wkt.loads(geometry_wkt) | |
| rescale_fn = rescale_point(bounds, scale) | |
| fn = make_fn(rescale_fn) | |
| transform_fn = apply_to_all_coords(fn) | |
| transformed_shape = transform_fn(shape) | |
| print transformed_shape.wkt |
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