Which EDIF writer and reader should I select during installation of the Altera/Cadence interface?

                    
                                                                               
Cadence Tool                        File Name                                  
--------------------------------------------                                   
Composer                            altout                                     
Concept (including HDL Direct)      concept2alt                                
Verilog HDL                         vlogalt                                    
                                                                               
For the EDIF reader, you should select the redifnet file.