Plot View

The plot view displays plots of a track's data. It has its own toolbar for selecting tracks and displaying multiple plots. The color of the plot markers is the same as that of the selected track. The data point associated with the current video frame or currently selected step is highlighted in the plot and its coordinates are displayed in the lower left corner.

1. Selecting a track

Select the track of interest from the dropdown list on the plot view's toolbar.

2. Multiple plots and synchronized x-axes

Click the Plots button and choose the number of plots desired. Multiple plots are stacked vertically.

Check the Sync checkbox to synchronize the horizontal axes of the plots so that they all share the same variable and scale. Unchecking this box enables the horizontal variables and scales to be set independently. Vertical variables and scales are always independent.

3. Setting plot axis variables

Move the mouse over an axis label until a box appears, then click on the box and choose the desired variable from the popup list.

4. Setting the scale

The plot axes autoscale by default. There are several options for setting the horizontal and/or vertical scale manually:

1. Right-drag on the plot to mark a region of interest, then choose Zoom In from the popup menu to zoom in on the marked region. The popup menu also enables you to Zoom Out, Autoscale, or display a Scale dialog for setting limits and/or autoscale properties for both ends of both axes.
2. Move the mouse near the center section of an axis until a double-ended arrow appears, then click and drag the axis to "move" the plot along that axis without zooming.
3. Move the mouse near either end of an axis until a single-ended arrow appears, then click and drag the axis to "zoom" that end while keeping the opposite end unchanged.
4. Hold down the Alt key until a four-way arrow appears, then click and drag to "move" the plot in any direction without zooming.
5. Move the mouse near either end of an axis to display a popup field and checkbox for setting the limit and/or autoscale property for that axis end.

5. Hiding data point and lines

Right-click the plot and uncheck the appropriate box to hide the data points or connecting lines.

6. Defining new data columns with Data Builder

Right-click a plot and choose Define... to display a Data Builder with which you can define custom variables called data functions for plots and datatables. Click the appropriate Add button to add new data functions or to define parameters for use in function expressions.

Data functions can be virtually any mathematical function of parameters, track-defined data columns, and other data functions.

7. Analyzing data with Data Tool

Right-click a plot and choose Analyze... to open its data in the Data Tool for analysis.

The Data Tool provides data analysis including automatic and manual curve fitting of all or any selected subset of the data. For help using Data Tool, open Data Tool and click its Help button.