core/geometry/spatial_data-0.1.0#

Schema for a point cloud.

Description

This schema describes a collection of data points in 3d space.

Outline

Schema DefinitionsExamplesOriginal Schema

Schema Definitions

This type is an object with the following properties:
  • coordinates
    tag:stsci.edu:asdf/core/ndarray-1.*Required
    The coordinates of the data points.

    wx_shape: [‘(~)’, 3]
  • attributes
    object
    An arbitrary set of attributes. For example, normals, colors or measured point data can be stored using this field. Each added attribute is an array with a number of data points equal to the number of points.

    object
  • triangles
    tag:stsci.edu:asdf/core/ndarray-1.*
    An array of index triplets that specify which points form a triangle

    wx_shape: [‘(~)’, 3]

Examples

A simple SpatialData with triangulation:

!<asdf://weldx.bam.de/weldx/tags/core/geometry/spatial_data-0.1.0>
  coordinates: !core/ndarray-1.0.0
    data:
    - [0.0, 0.0, 0.0]
    - [1.0, 0.0, 0.0]
    - [1.0, 1.0, 0.0]
    - [0.0, 1.0, 0.0]
    datatype: float64
    shape: [4, 3]
  triangles: !core/ndarray-1.0.0
    data:
    - [0, 1, 2]
    - [2, 3, 0]
    datatype: uint32
    shape: [2, 3]

Original Schema 

%YAML 1.1
---
$schema: "http://stsci.edu/schemas/yaml-schema/draft-01"
id: "asdf://weldx.bam.de/weldx/schemas/core/geometry/spatial_data-0.1.0"

title: |
  Schema for a point cloud.
description: |
  This schema describes a collection of data points in 3d space.

examples:
  -
    - A simple `SpatialData` with triangulation
    - |
      !<asdf://weldx.bam.de/weldx/tags/core/geometry/spatial_data-0.1.0>
        coordinates: !core/ndarray-1.0.0
          data:
          - [0.0, 0.0, 0.0]
          - [1.0, 0.0, 0.0]
          - [1.0, 1.0, 0.0]
          - [0.0, 1.0, 0.0]
          datatype: float64
          shape: [4, 3]
        triangles: !core/ndarray-1.0.0
          data:
          - [0, 1, 2]
          - [2, 3, 0]
          datatype: uint32
          shape: [2, 3]

type: object
properties:
  coordinates:
    description: |
      The coordinates of the data points.
    tag: "tag:stsci.edu:asdf/core/ndarray-1.*"
    properties:
      datatype:
        type: string
        enum: [float32, float64]
    wx_shape: [(~), 3]
  attributes:
    description: |
      An arbitrary set of attributes. For example, normals, colors or measured point data can be stored using this
      field. Each added attribute is an array with a number of data points equal to the number of points.
    type: object
  triangles:
    description: |
      An array of index triplets that specify which points form a triangle
    tag: "tag:stsci.edu:asdf/core/ndarray-1.*"
    properties:
      datatype:
        type: string
        enum: [uint32, uint64]
    wx_shape: [(~), 3]

propertyOrder: [coordinates, attributes, triangles]
required: [coordinates]
flowStyle: block
...