12.6.16 IndexRangeContext

Topic Version1Published11/11/2016
For StandardWITSML v2.0
Type:ClassStereotype:«XSDcomplexType»

Describes the data context for a log in terms of a starting and ending index. When this context is used, each realization of the log includes all data points from the log's channel set that follow between the specified start and end index.

Table 12.6.16-1 Attributes

Name

Type

Notes

EndIndex

AbstractIndexValue

When the log header defines the direction as:

  1. "Increasing", the startIndex is the starting (minimum) index value at which the first non-null data point is located.

"Decreasing", the startIndex is the starting (maximum) index value at which the first non-null data point is located.

StartIndex

AbstractIndexValue

When the log header defines the direction as:

  1. "Increasing", the endIndex is the ending (maximum) index value at which the last non-null data point is located.

“Decreasing”, the endIndex is the ending (minimum) index value at which the last non-null data point is located.

Table 12.6.16-2 Associations

Association

Notes

From: IndexRangeContext.

To: AbstractLogDataContext

Generalization