09 Preferences

impulse’s preferences are stored within the eclipse preference store. If you open the preferences dialogue, you can manage all the relevant settings. There are preferences pages for views, serializers, ports, templates, .... Settings can be easily imported or exported using the Wallet Editor.


Import preference elements like views or reader configuration from your colleages or customers.


Manage project or platform specific settings using the Preference Wallet Editor.


Deploy settings using preference wallet files.

Import and export of preferences

If you want to deploy or re-use already existing configurations for impulse you need to export or import them into the program. To achieve this you have to create an impulse wallet. You can do so if you open the preferences editor and chose Create a new wallet. You now have to choose the name and place where it should be open and then you get the wallet editor.

On the left-hand side you can manage the wallet, and on the right-hand side you can manage the preferences using the tabs for viewer configurations, ports and serializer. You can move and copy the elements within the wallet editor. If you copy the element you want to import/export into the wallet then you can import/export them wherever you want.

You can copy the elements using copy and paste, and drag and drop. You can not only move specific elements to your wallet, but can also manage them within the wallet editor if you decide that further changes are needed.

In the lower right-hand corner you can find the Store and Reset buttons. If you copied elements from the wallet into the preferences store, then you can store them or reset them if you decide that you do not need them.

Where to find preferences and how to manage them

You can find the preference editor if you click on the button window in the menu in the upper left-hand corner. If you click Preferences, a window will open. On the left-hand side, you can find the different aspects that you can manage.

If you click on impulse, you can choose between different pages (see below).

Most pages have a Restore Defaults button. If you select this button, all user settings will be discarded. 


Charts are highly configurable. The basis for each chart is a so called chart provider. impulse contains providers for Birt charts, Nebula charts and script charts. Users may extend impulse with additional chart providers.
To add a new chart, click the Add button and select the chart provider. A dialogue will open to configure the new chart instance. To use and show the newly created chart, you need to select it in the plot dialogue.
This preference page contains a list of all configured charts. On the right side of the page you find buttons to add new charts, clone existing ones or configure the selected chart. The initial preference set contains a list off default charts. You'll find more about charts in the chapter "13 Working with charts"


This page let's you enter custom decimal formats as well as preferred domain units. You can define up to eight different decimal formats. To define a custom decimal format, type in the name of the format into the left field, and the format definition (https://docs.oracle.com/javase/7/docs/api/java/text/DecimalFormat.html) into the second field. To use a given custom format, open the plot dialog and select the format in the diagram style field. 

The field preferred domain units let's you enter domain units like ms or us. impulse will use these domain units in the value table, the inspection view and other UI components. You may enter multiple domain units separated by comma. Impulse will select the best fit.


The license preference page allows you to manage your license keys. 

If you've received a license key, you can enter this key in the field user key. After you entered the key, it will be shown in the list below.

The list in the middle of the page shows all available keys, sorted by priority. This list contains the user key, but also system and integrator keys. If you select a key, its contents are shown in the fields below. The key with highest priority is the active key. The active key is the key that controls all impulse features.

The properties field contains all enabled features, the usage field informs you if about possible usage restrictions. Below you find the licensee information. The field valid until contains the information until when the selected license is valid.


Ports are means to read signal data from external devices and interfaces. Similar to charts, you can configure multiple ports of a given set of providers (e.g. add two tcp ports, one for port 4000, the other for port 4101).
This preference page contains a list of all configured ports. On the right side you find buttons to add new ports, clone existing ones or configure the selected ports. The initial preference set does not contain any ports.

Find more about ports in chapter 06 Ports.


If you press Ctrl-F in the impulse viewer, the Find dialogue opens (like in any other text editor). With this dialogue you can search for signal patterns. 
This preference page allows you to manage search expressions. All configured search expressions are shown in the list on the left side. On the right side you find buttons to add, clone and configure those expressions. 

Find more in chapter 12 Searching.


A serializer is a software extension to read or write signal data from or into a file. Users can extend impulse with additional serializers (e.g to read a custom format). Many serializer allow the definition of serializer configurations. Such a configuration describes how a serializer shall process the input/output of a given file (e.g. sets the no. of columns in CSV format). 
The serializer preference page contains a list of all registered serializer. If you press View/Edit (or double click on a serializer), the configuration dialogue opens and lets you extend and define configurations.

Find more in chapter 02 Signals.


Templates simplify the re-use of configuration elements. A template may contain simple defaults, such that all float signals shall be painted red, but they can also contain a rich set of elements containing multiple scripts and folders.
This page shows all configured templates. Use the buttons on the right side to add, clone or configure your templates. The checkbox on the left side enables or disables the template.

Find more in chapter 14 Templates.


This page shows all available themes. To select a theme, click the button to the right of each image. If you want to change individual colors, use the Appearance page (General->Appearance).


Manages all the view configurations. You can see all available views on the left side of this preferences editor. Furthermore, you can delete, copy, edit, change their place within the list to find them more easily and you can enable and disable views. If you disable a view, it will not be used any longer but will still be available in the system.

Find more in chapter 03 Views and Plots and Plots.

Parts (Complementary Views)

In addition to the Viewer, impulse also uses other parts to display signal-related information, such as the Sample Table or the Sample Inspector. Most of these parts can be configured and have the possibility to choose between different configurations. All these configurations can be managed on this settings page.


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