![](images/aPanelLoadPressureMapping01.gif)
5. Click the Browse switch button
in the Pressure dialog box and load the desired
external file. Make sure the file type is actually *.txt.
The FileBrowser dialog box lets you select the desired file: MappingFileExample.txt.
![](images/aPanelLoadPressureMapping.gif)
When you click Open, the Pressure dialog box is updated.
![](images/aPanelLoadPressureMapping02.gif)
The Show button now lets you visualize the imported
file inside the session. If you then modify the pointed file, the
values are synchronized and the load feature invalidated.
![](images/aPanelLoadPressureMapping03.gif)
Note that X, Y and Z columns allow you defining
the length. The Coef value is not assigned a dimensional value.
When creating the design table (either in .txt or in .xls
format), if you define the desired unit in parentheses, in the first row,
this using will be interpreted by the system.
The system starts reading the values at the second row of the .xls
or .txt file. The first row allows you defining units (unit
symbol written between parentheses). Otherwise, the system will
use the default unit defined in the Options dialog box (Tools ->
Options -> Parameters, Unit tab).