tcpTunnel CAD
Import cross sections - TNC3
4.4 Import Cross-sections
This command allows user to import a cross-section file with *.TRA extension, used in previous versions of TcpTunnel CAD.
After selecting the file to import, the program will create a file with the same name and TRI extension, it will be included in the current project and it will be showed in the cross-section editor.