【Reference】

1. ​http://www.ebi.ac.uk/~zerbino/velvet/

【說明】

【安裝】

   wget http://www.ebi.ac.uk/~zerbino/velvet/velvet_0.7.53.tgz
   tar zxvf velvet_0.7.53.tgz
   cd velvet_0.7.53
   make

【測試一】

velveth directory 17 -fasta -short F_reads.fasta

【結果一】

• 輸出目錄：directory
  • 輸出檔案：

    -rw-r--r-- 1 wade wade        75 2009-09-15 15:43 Log
    -rw-r--r-- 1 wade wade 240911821 2009-09-15 15:45 Roadmaps
    -rw-r--r-- 1 wade wade 434867443 2009-09-15 15:43 Sequences
    

    Reading FastA file F_reads.fasta;
    8080777 sequences found
    Done
    Reading read set file directory/Sequences;
    8080777 sequences found
    Done
    8080777 sequences in total.
    Writing into roadmap file directory/Roadmaps...
    Inputting sequences...
    Inputting sequence 0 / 8080777
    Inputting sequence 100000 / 8080777
    Inputting sequence 200000 / 8080777
    Inputting sequence 300000 / 8080777
    ……
    Inputting sequence 7900000 / 8080777
    Inputting sequence 8000000 / 8080777
    Done inputting sequences
    Destroying splay table
    Splay table destroyed
    

【測試二】

需使用到【測試一】的結果。

velveth directory 17 -fasta -short F_reads.fasta

【結果二】

• 輸出目錄：directory
  • 輸出檔案：

       -rw-r--r-- 1 wade wade    327629 2009-09-15 15:40 contigs.fa
       -rw-r--r-- 1 wade wade  30665142 2009-09-15 15:40 Graph2
       -rw-r--r-- 1 wade wade  30665142 2009-09-15 15:40 LastGraph
       -rw-r--r-- 1 wade wade       245 2009-09-15 15:40 Log
       -rw-r--r-- 1 wade wade  10425143 2009-09-15 15:38 PreGraph
       -rw-r--r-- 1 wade wade   3358017 2009-09-15 15:40 stats.txt