10 - VBOX Test Suite Chart

X-Axis

The 'X-Axis' button allows the user to specify which channel is used for the X-Axis of the selected graph. Selecting the X-Axis button will display a drop down list of all available channels, plus a calculated channel called ‘Elapsed time’. The user can then select a channel to display on the X-Axis of the selected graph. All channels in the drop down list are grouped by type such as VBOX or a connected module. The drop down list is also searchable making required channels easier to locate.

Y-Axis

The 'Y-Axis' button allows the user to specify which channel is display as a trace on the graph. Selecting the 'Y-Axis' button will display a drop down list of all available channels in the file or that are being sent across the live serial stream from a VBOX. All channels in the drop down list are grouped by type such as VBOX or a connected module. The drop down list is also searchable making required channels easier to locate.

Every time the user selects a channel, a new Y-Axis will be added to the selected chart and a trace of that channel vs the selected X-axis will be displayed (for example speed vs time). The user can add multiple channels, with each channel adding a new trace. Deselecting a channel will remove this trace from the graph.

Smoothing Level

The 'Smoothing Level' button opens a box that allows the user to set the smoothing level of any active channels on the chart. 

Scale

The scale level button opens a box that allows the user to set the y axis scale range of any active channels on the chart. This can either be done by manually setting an upper and lower value, or by ticking the ‘Auto’ option to automatically set the axis to the maximum and minimum value.

Zoom In

The 'Zoom in' button zooms in on the graph, centred on the cursor position.

Zoom Out

The 'Zoom out' button zooms out on the graph, centred on the cursor position.

Reset Zoom

The 'Reset zoom' button returns the graph to full view.

Run Compare

The 'Run Compare' button allows the user to switch between viewing the whole file to individual runs from the results table.

The standard display highlights regions of the graph to indicate where the selected runs occur.
 

Standard display
 

Selecting the ‘Run Compare’ button will then show individual runs from the results table. When a run (or runs) are selected from the results area, those runs will be displayed on the graph with a common origin.

Note: Run Compare will be on by default when in 'Online' mode.
 

If a run starts or ends between data samples, the start and end values will interpolate between samples to provide the desired result. For example, if you are running a Decel Test (60 – 20 mph), any selected runs displayed within the graph will start at 60 mph and end at 20 mph, even if the data samples closest to the test criteria are 60.5 mph and 19.6 mph.

Run Compare selected

Average Only

If ‘Avg’ has been ticked within the results of a test, selecting the 'Average Only' button will display only the average ‘best fit’ curve of all selected runs.

Legend

The 'Legend' button allows the user to display a detailed legend that indicates which file or run each coloured trace belongs to. When the button is pressed, a fly out window will appear from the legend to show the names of any selected files or runs.
 

This expanded legend also allows the user to show and hide the traces from the graph and also to remove the file completely from that test.

Clicking on the colour square will allow the user to change the colour of the related channel traces.

Add Chart

The 'Add chart' button allows the user to add a chart that has an independent x axis from the existing Chart(s).

Line Style

The 'Line Style' button opens a dropdown menu where you can choose whether you would like chart lines to be viewed 'Sharp' (default), which details every deviation, or 'Normal', which provides a slightly smoothed trace. There is also the option to select (default)/ deselect the showing of individual GPS logging points.
 

Zoom X

The 'Zoom X' button defines how the left click and drag action is performed. When selected, Left clicking and dragging the cursor to the right will perform a horizontal zoom of that area. To return to the full view, simply click and drag the cursor to the left.

Zoom X-Y

The 'Zoom X-Y' button defines how the left click and drag action is performed. When selected, Left clicking and dragging the cursor to the right will perform a ‘box zoom’ of that area. To return to the full view, simply click and drag the cursor to the left.

Pan

The 'Pan' button defines how the left click and drag action is performed. When selected, Left clicking and dragging the cursor will pan the graph accordingly. The pan action is only performed if the graph is zoomed.

Add Marker

Pressing the 'Add Marker' button will add a marker to the chart at the current position of the cursor. Pressing the button again will add a secondary marker and the region between the two markers will be highlighted and allows further actions, such as cut and measure, to be performed. Only two markers can be added to the chart, however once placed, these markers can be moved by clicking and dragging the marker to a new location.

Remove Marker

'Remove Marker' deletes the last marker that was added to the chart.

Mark Region

The 'Mark Region' button changes the left click action of the chart. With the 'Mark Region' button selected, the user can click and drag on the graph to highlight a specific region that can be measured or cut. Selecting the 'Mark Region' button again will change the left click action of the chart to 'Zoom X'.

Cut

The 'Cut' button allows the user to remove a portion of the current file. This can be done in three ways:

• Cut Before Cursor – Will remove all data from the start of the file up until the cursor location.
• Cut After Cursor – Will remove all data from the cursor location up until the end of the file.
• Cut Between Markers – Will remove all data from in between the two marker locations.

Once the cut action has been performed, a warning will appear on the chart that the file contains unsaved changed. To save these changes, click the save within this warning.
 

Measure

Once a region has been highlighted within the chart area, it is possible to select the ‘Measure’ button. Once pressed, a new window will appear detailing the maximum, minimum and average values of all channels within that window. If a region starts or ends between data samples, the start, end, difference, maximum and minimum values will interpolate between samples to provide the desired result. The average value is computed from sample values only.
 

Double clicking on a 'Min' or 'Max' value will move the chart cursor to that location.
 

It possible to then export the displayed results to either a .csv file or to the clipboard ready to be pasted into another document.