The Graphic Window is a graph plot on an x-y axis of selected signal data. Multiple signals can be plotted in the Graphic Window, and multiple analytical functions can be performed on the data captured.
What do I see?
The Graphic Window is broken into two separate fields: the legend, and the diagram.
Within the legend are displayed names and engineering units of the selected signals while the diagram contains the actual data plotted on the x-y coordinate graph. Each signal is given its own color to prevent confusion.
How do I add signals?
To add a signal to the Graphic Window:
- Right-click anywhere in the Graphic Window and select “Signal configuration” or press the ‘t’ key on the keyboard.
- If a database is associated, click the “Add signals” button and select “Signal from CANdb database”.
- Select the desired signal(s) and click the “OK” button.
- If there is no database associated, click the “Define” button and select “CAN Signal”.
- It will be necessary to have the following information about the CAN message and it’s signal to enter a user defined signal:
a. Message ID
b. Signal name (this can be any meaningful name)
c. Start bit
d. Bit count
e. Value type
f. Format
g. Factor
h. Offset
i. Unit
If a database is associated, there is also a shortcut for adding signals: Simply right-click anywhere in the Graphic Window and select “Add signals”. Select the signal(s) to add, and then click the “OK” button.
How do I change the display?
Display options are configured by right-clicking anywhere in the Graphic Window and selecting “Display options”. These options will dictate how the Graphic Window appears in CANoe.
The display options window has three tabs: Diagram, Legend, and Color/Font. Changes made to the Diagram or Legend tabs will only affect the current window, while changed made on the Color/Font tab will affect all Graphic Windows.
How is data plotted? (How is the window read?)
The Graphic Window plots data on a standard x-y coordinate plane. The x-axis being time, and the y-axis being taken from the min and max values entered into the database for each signal added.
Each signal added will have its own y-axis in a color matching the plotted line.
To make changes to how the diagram is plotted; right-click in the diagram and select “Axes and measures”. The window is divided into two sections, one dealing strictly with how the axes are drawn, and the other dealing with measurement settings. Changes to these settings will only affect the current Graphic Window.
Can I hide the legend?
Yes, the legend can be hidden from view: Right-click anywhere in the Graphic Window, select “Display options”, and then click the “Legend” tab.
Can I disable signals during measurement?
Signals can be disabled, however, only if the legend is visible. To disable a signal, uncheck the box next to it in the legend.
How do I arrange signals within the graph?
To arrange signals, the legend must be visible. Signals are originally arranged as they are added to the window. To rearrange them, simply drag and drop.
How do I use the measuring difference?
Click the Measuring difference button in the toolbar. The blue bar is the base value for the difference. The red bar indicates where the difference it taken from. The numbers show up in the legend as y and delta y respectively.
What do the buttons on the toolbar do?
By default the Graphic Window tool bar is in the Graphic Window itself.
Each button on the toolbar performs a task that can also be done by right-clicking in the Graphic Window.
- Pause
- Measuring point
- Measuring difference
- Gray unmarked signals
- Only display marked signals
- Single signal mode
- Multiple signals
- Scaling mode

Zoom
- Fit all signals
- Fit all Y
- Fit all signals to a special line
- Fit all marked Y
- Fit time axis
- Move signals down
- Move signals up
- Set the visible time range
- Scroll to start
- Scroll left
- Scroll right
- Scroll to end
- Undo
- Redo
- Y-axes view
- Toggle grid
- Toggle markers

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