To draw Feynman diagrams

All the Feynman diagram are drawed into PS file automatically by FDC when a processes is generated. The tool to draw Feynman diagram can also be used manually. There is brief description in the following.

psdraw -[fxy] aaa $>$ aa.ps take aaa and psnametable as input and generate the file aa.ps

options:

-f

to draw diagrams with frame to be printed out. The default is to draw diagrams without frame.

-x nx

to place nx diagrams in x direction of the paper, the default value of nx is 4.

-y ny

to place ny diagrams in y direction of the paper, the default value of ny is 6.