# writing_dense_rgb.py # # LICENSE # # The MIT License # # Copyright (c) 2021 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/writing-arrays/writing-in-dense-subarrays # # When run, this program will create a 2D+1 multi-component (eg RGB) dense array, write some # data to it, and read the entire array data. import numpy as np import tiledb img_shape = (100, 224, 224) img_uri = "writing_dense_rgb" image_data = np.random.randint(low=0, high=100, size=(*img_shape, 3), dtype=np.int32) def create_array(): domain = tiledb.Domain( tiledb.Dim( name="image_id", domain=(0, img_shape[0] - 1), tile=4, dtype=np.int32 ), tiledb.Dim( name="x", domain=(0, img_shape[1] - 1), tile=img_shape[1], dtype=np.int32 ), tiledb.Dim( name="y", domain=(0, img_shape[2] - 1), tile=img_shape[2], dtype=np.int32 ), ) # create multi-component attribute with three int32 components attr = tiledb.Attr(dtype=np.dtype("i4, i4, i4")) schema = tiledb.ArraySchema(domain=domain, sparse=False, attrs=[attr]) tiledb.Array.create(img_uri, schema, overwrite=True) image_data_rgb = image_data.view(np.dtype("i4, i4, i4")).reshape(img_shape) with tiledb.open(img_uri, "w") as A: # write data to 1st image_id slot A[:] = image_data_rgb def read_array(): with tiledb.open(img_uri) as A: print(A[:].shape) if __name__ == "__main__": create_array() read_array()