# 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])