| # quickstart_dense.py | |
| # | |
| # LICENSE | |
| # | |
| # The MIT License | |
| # | |
| # Copyright (c) 2020 TileDB, Inc. | |
| # | |
| # Permission is hereby granted, free of charge, to any person obtaining a copy | |
| # of this software and associated documentation files (the "Software"), to deal | |
| # in the Software without restriction, including without limitation the rights | |
| # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| # copies of the Software, and to permit persons to whom the Software is | |
| # furnished to do so, subject to the following conditions: | |
| # | |
| # The above copyright notice and this permission notice shall be included in | |
| # all copies or substantial portions of the Software. | |
| # | |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| # THE SOFTWARE. | |
| # | |
| # DESCRIPTION | |
| # | |
| # Please see the TileDB documentation for more information: | |
| # https://docs.tiledb.com/main/how-to/arrays/creating-arrays/creating-dimensions | |
| # | |
| # When run, this program will create a simple 2D dense array, write some data | |
| # to it, and read a slice of the data back. | |
| # | |
| import numpy as np | |
| import tiledb | |
| path = "sparse_mixed_demo" | |
| dom = tiledb.Domain( | |
| *[ | |
| tiledb.Dim(name="str_dim", domain=(None, None), dtype=np.bytes_), | |
| tiledb.Dim(name="int64_dim", domain=(0, 100), tile=10, dtype=np.int64), | |
| tiledb.Dim( | |
| name="float64_dim", | |
| domain=(-100.0, 100.0), | |
| tile=10, | |
| dtype=np.float64, | |
| ), | |
| ], | |
| ) | |
| att = tiledb.Attr(name="a", dtype=np.int64) | |
| schema = tiledb.ArraySchema(domain=dom, attrs=(att,), sparse=True, capacity=10000) | |
| tiledb.SparseArray.create(path, schema) | |
| data = [1, 2, 3, 4] | |
| c_str = [b"aa", b"bbb", b"c", b"dddd"] | |
| c_int64 = [0, 10, 20, 30] | |
| c_float64 = [-95.0, -61.5, 1.3, 42.7] | |
| with tiledb.open(path, "w") as A: | |
| A[c_str, c_int64, c_float64] = data | |
| with tiledb.open(path) as A: | |
| print("\n\nRead full array:\n") | |
| print(A[:]) | |
| print("\n\nRead string slice A['c':'dddd']:\n") | |
| print(A["c":"dddd"]) | |
| print("\n\nRead A[:, 10]: \n") | |
| print(A["aa":"bbb"]) | |
| print("\n\nRead A.multi_index['aa':'c', 0:10]\n") | |
| print(A.multi_index["aa":"c", 0:10]) | |
| print("\n\nRead A.multi_index['aa':'bbb', :, -95.0:-61.5]\n") | |
| print(A.multi_index["aa":"bbb", :, -95.0:-61.5]) | |