Cogent API and Utilities: Version 4.1
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V. Cascade Historian Functions

Table of Contents
HI_Add -- adds a single value at a specified time.
HI_BufferIDDestroy -- destroys an interpolation buffer.
HI_BufferIDLength -- gives the length of an interpolation buffer.
HI_BufferIDRead -- reads an interpolation buffer.
HI_Bufsize -- sets the history buffer size.
HI_ClipBuffer -- clips Y values to fit within a range.
HI_Count -- counts the number of histories that match a pattern.
HI_Deadband -- sets the history value deadband.
HI_Delete -- removes a history from memory only.
HI_Describe -- describes a history's current configuration.
HI_Disable -- stops data recording.
HI_Earliest -- gives the earliest value in a history.
HI_Enable -- activates data recording.
HI_ExchangeBuffer -- swaps X and Y values.
HI_FileBase -- associates the history with a file for data storage.
HI_Flush -- writes buffered data to disk.
HI_GapCountBuffer -- identifies and counts large gaps in data.
HI_GapFillBuffer -- fills in data gaps found by HI_GapCountBuffer.
HI_History -- creates a new history.
HI_Interpolate -- queries history data for interpolation.
HI_InterpolateData -- interpolates a history and returns data.
HI_Latest -- gives the latest value in a history.
HI_Length -- finds the total number of values in a history.
HI_List -- finds the name of available histories.
HI_ScaleBuffer -- performs offset and scaling operations.
HI_StatBuffer -- generates summary statistics on Y-values.
HI_Register -- registers histories with the Cascade DataHub.
HI_Unregister -- unregisters histories with the Cascade DataHub.
HI_Version -- gets the version number of the Cascade Historian.
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