1.. _dimensions:
2
3===============================================================================
4Dimensions
5===============================================================================
6
7All point data in PDAL is stored as a set of dimensions.  Dimensions
8have a name and a data type.  The data type is determined at runtime, but
9a default data type for each dimension is listed below, along with the name
10of the dimension and its description.
11
12The following table provides a list of known dimension names you can use in
13:ref:`filters`, :ref:`writers`, and :ref:`readers`.
14
15.. note::
16    Types are default types. Stage developers should set the dimension type
17    explicitly if the default dimension isn't suitable.
18
19
20.. csv-table::
21    :file: ./dimension-table.csv
22    :header: "Name", "Type", "Description"
23    :widths: 10, 5, 40
24