Knowledge Base

Export A Custom Expression Definition

Aim

To save the Custom Expression to a FCX file and use it on another computer, give it to a colleague or send it to Noldus Support.

Prerequisite

You have the Action Unit Module or Baby FaceReader.

Procedure

Click the Export button to save your Project Custom Expression or Custom Expression under My Custom Expressions as a FCX file.

Delete A Custom Expression

Aim

To clean up your project and remove the Custom Expressions that you will not use anymore.

Prerequisite

• You have the Action Unit Module or Baby FaceReader.
• You can delete Project Custom Expressions and Custom Expressions under My Custom Expressions. It is not possible to delete the Custom Expressions under Remote Custom Expression Library.

Procedure

To Delete A Project Custom Expression

Locate the Custom Expression in the Custom Expressions pane. Right-click on the expression and select Remove Custom Expression From Project.

To Delete A Custom Expression In The List Under My Custom Expressions

Locate the Custom Expression in the list under My Custom Expressions and click the Delete button.

Define A New Custom Expression

Aim

To construct your own Custom Expression and use it to quantify its activation in the test participant's face.

Prerequisite

You have the Action Unit Module or Baby FaceReader.

Procedure

1. From the File menu select Custom Expressions Browser or click the Add custom expression to project icon in the Custom Expressions pane.
2. Click New Custom Expression in the toolbar. The Custom Expression Information window opens. Enter a name and (optional) a description for the expression and choose a color. You can also enter the name of the author (optional).

A new window opens with a grid with an Output block.

3. Click the Add block button on the toolbar to add the blocks that define your Custom Expression. The block browser opens with the Inputs, Processors and Custom Expressions that you can use.
4. Click on an Input, Processor or Custom Expression and then click OK to add it to the grid.
   • See Custom Expression inputs in detail
   • See Custom Expression processors in detail
5. Repeat step 2 and 3 to add more blocks to the grid.
6. Connect the blocks with connectors in such a way that you get the correct definition of the Custom Expression.

Tip: You can check whether you defined your Custom Expression correctly by using the Input simulator.

Source: FaceReader 10 Reference Manual (Help), Noldus Information Technology