twilights.csv

Table with twilights data infered from light data for all tags. Twilight data is typically computed with GeoPressureR::twilight_create().

Twilights

Source: twilights-table-schema.json

Name Definition Type
tag_id*

Unique identifier of the tag. Foreign key to tags.tag_id.

Constraints
  • required: true

Example: 18LX

string
twilight*

Date and time of the twilights. Formatted as an ISO 8601 string with timezone designator YYYY-MM-DDThh:mm:ssZ.

Constraints
  • required: true

Example: 2020-04-01T22:00:00Z

datetime
rise*

Boolean value to indicate if the twilight is a sunrise (true) or sunset (false).

Constraints
  • required: true

Example: true

boolean
label

Labeling of the twilight data according to the GeoPressureManual. The value discard indicates that the twilight should not be used for geopositioning. Any other value can be use without affecting the workflow, typically set to stap_id allows to visualize which twilight belong to the same stationary period on trainset.

Constraints
  • required: false

Example: discard

string