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Parent Topic: User Interface Quick Reference
Viewers contain customizable charts in which you analyze data from sensors, as well as trends in features calculated from sensor data. An example of sensor data is a waveform of acceleration values from an accelerometer, and an example of a feature you can trend is the calculated RMS value of that waveform. The workspace provides viewers for both types of data.
As mentioned previously, when a device performs an acquisition from a sensor, NI InsightCM Server calculates a value for each configured feature of interest from the sensor data. You can also configure the server to calculate feature trends more often than it collects data sets. You can then analyze trends in features while simultaneously displaying the sensor data from a specific acquisition within the Data Viewer page. In other words, the Trend viewer serves as the master viewer because you can select data sets to view in the sensor data viewers.
The callout numbers on the following workspace show the relationship between sensor data and trends.
|Feature trend values—Represent the feature values from acquisitions over time.|
|Cursor within trend curve—Controls which data set appears in sensor data viewers.|
|Sensor data—Represents the data set where the Trend viewer cursor lies.|