stairs
Plot OPC HDA data object as stairstep graph
Syntax
stairs(dObj)
pH = stairs(dObj)
Description
stairs(dObj)
plots the data in OPC HDA data object
dObj
as a series of stair steps. Each element of
dObj
is plotted into the current axes as the value against
its time stamp. Quality is not displayed in the plot.
pH = stairs(dObj)
returns the handles to the created
stairseries objects in pH
.
In all cases, if the current plot is not held, the X-axis is updated using
datetick
to show date ticks instead
of numeric ticks.
Examples
Load the OPC HDA example data file and plot the hdaDataVis
object as a stairstep graph:
load opcSampleHdaData;
stairs(hdaDataVis)