hwIDataFile GetChannelMetaDataType
Gets the type of an item of meta data associated with a file channel.
Syntax
hwIDataFile_handle GetChannelMetaDataType datatype, request, component, varname
Application
Tcl Query
Description
This command retrieves the type of an item of metadata associated with a specific channel of a data file. The channel is identified by the datatype, request, and component parameters. These strings are specific to the particular file. The varname parameter specifies which item of data to retrieve.
The type will be one of the following: Integer, Float, or String.
Example
hwi GetSessionHandle sess1
sess1 GetDataFileHandle datafile "[sess1 GetSystemVariable ALTAIR_HOME]/demos/mv_hv_hg/plotting/adams/indy.req"
set reqlist [datafile GetRequestList Displacement]
set complist [datafile GetComponentList Displacement]
set metadatalist [datafile GetChannelMetaDataList Displacement [lindex $reqlist 0] [lindex $complist 0]]
datafile GetChannelMetaDataValue Displacement [lindex $reqlist 0] [lindex $complist 0] [lindex $metadatalist 0]
datafile GetChannelMetaDataValue Displacement [lindex $reqlist 0] [lindex $complist 0] [lindex $metadatalist 1]
datafile GetChannelMetaDataLabel Displacement [lindex $reqlist 0] [lindex $complist 0] [lindex $metadatalist 0]
datafile GetChannelMetaDataType Displacement [lindex $reqlist 0] [lindex $complist 0] [lindex $metadatalist 0]
Error
If the item of metadata is not present in the file, an empty string will be returned.
Keywords
XY plot
Tcl
import
query