Altium NEXUS Documentation


Created: March 10, 2022 | Updated: March 10, 2022
Applies to Altium NEXUS Client version: 5
This documentation page references Altium NEXUS/NEXUS Client (part of the deployed NEXUS solution), which has been discontinued. All your PCB design, data management and collaboration needs can now be delivered by Altium Designer (with Altium Designer Enterprise Subscription) and a connected Altium 365 Workspace. Check out the FAQs page for more information.

Parent page: SimView Commands

The following pre-packaged resource, derived from this base command, is available:

Applied Parameters: None


This command is used to store the selected waveform in an ASCII text file.


This command is accessed from the SimData Editor by choosing the Tools » Store Waveform command from the main menus.


First, ensure that the waveform you want to store is selected in the Waveform Analysis window. This is achieved by clicking on the waveform name (a selected waveform will become bolder in color and have a dot to the left of its name).

After launching the command, a File Explorer window will open in which you can choose where and under what name you want to save the stored waveform file. By default, the file takes the name of the waveform itself (WaveformName.wdf).


  • The waveform is stored as a set of data points, with each point represented by an XY value pair.
  • When a waveform is selected, filtering is applied using the name of the waveform as the scope. All other waveforms in the active chart with different names will be masked (becoming dim). The extent of the masking (how dim the non-selected waveforms become) can be controlled through the use of the Mask Level slider bar accessed by clicking the Mask Level button located at the bottom-right of the Waveform Analysis window. If more than one waveform of the same name exists in the active chart, the non-selected instances will remain fully visible.
  • A stored waveform can be recalled at any time. Recalling a stored waveform will add it to the list of possible source simulation data waveforms for the active chart (displayed in the Source Data dialog (Chart » Source Data) and the Source Data button in the Sim Data panel). Once available in this list, the waveform can then be added back into the required plot of the active chart.
  • Storing a waveform with the same name as a .wdf file that already exists will cause the existing file to be overwritten without warning.


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