In the X-Axis node, you define the properties of the X-axis.
Time range
You can configure the time range represented by the X-axis. If you reduce the value, the signal will move faster on the display and changes to an expanded form. If you increase the value, you will see more measuring points in the graph and the signal will move slower.
Fixed axis
Usually, the time axis moves along with the incoming samples (default). If you enable this option, the signal will be written into the static graph. Once the signal curve has reached the end of the visible time range, the display shifts to the next (empty) time unit and continues to write samples.
Show date
If you enable this option, the date (mm/dd/yyyy) will be displayed along the ticks of the X-axis. Optionally you can shorten the year by 2 digits (mm/dd/yy).
Show zoom and pan buttons
If you enable this option, the zoom and pan buttons will be displayed along the X-axis. Default settings are:
-
-
for small panning steps: 0.75, relative
-
for large panning steps: 2.00, relative
-
for zooming 2.00
-
Alternatively, the panning steps can be set as absolute value in the hh:mm:ss time unit.
Pause signal
The HD trend graph feed can be controlled by a digital pause signal. If the digital signal is TRUE (1), the scrolling stops; if the digital signal is FALSE (0), the scrolling continues. The pause signal stops the scrolling only for the duration of the signal.
Note |
|
|---|---|
 |
With the pause signal, the signal curve can also be frozen. If the signal is permanently TRUE (1), the curve will be "freezed". If the signal is on FALSE (0) for a short time (impulse with corresponding length), the display jumps to the current time and will be "freezed" again after the FALSE impulse sequence. |
The length-based presentation has gaps between the single lengths.
The length gap and the total range can be parametrized:
Various properties of a curve can be dynamic.
In the Height field you can set the height of the graph in pixels.
Dynamic visibility allows the complete signal to be controlled visibly or invisibly via a digital signal. This corresponds to the manual function, which can be activated with the eye icon.
The color of a signal can be dynamic. It can be controlled by another signal. In the signal table of the graph properties, you can determine the signal for the dynamic colors (see figure above). This signal must be an analog signal between 0 and 15. There are 16 different colors available and the color signal selects one of them depending on its value. You can specify the 16 colors in the trend graph properties (see chapter Graph).
The thickness of the signal can be firmly adjusted or can be controlled dynamically by another signal. For example, the thickness of the signal can be displayed broader with a certain state. In the drop-down menu of the respective column, select the signal that controls the property.
In the column Style, the graph display with or without filling can be selected.