ASCII

Normal

from pyfeyn2.feynmandiagram import FeynmanDiagram, Leg, Propagator, Vertex
from pyfeyn2.render.ascii import ASCIIRender
from pyfeyn2.render.dot import feynman_adjust_points

fd = FeynmanDiagram()
v1 = Vertex("v1")
v2 = Vertex("v2")
v3 = Vertex("v3")
v4 = Vertex("v4")
p1 = Propagator("p1").connect(v1, v2).set_type("gluon")
p2 = Propagator("p2").connect(v1, v3).set_type("gluon")
p3 = Propagator("p3").connect(v3, v2).set_type("gluon")
p4 = Propagator("p4").connect(v4, v3).set_type("gluon")
p5 = Propagator("p5").connect(v4, v2).set_type("gluon")
l1 = Leg("l1").set_target(v1).set_type("gluon").set_incoming().set_xy(-2, 1)
l2 = Leg("l2").set_target(v1).set_type("gluon").set_incoming().set_xy(-2, -1)
l3 = Leg("l3").set_target(v2).set_type("gluon").set_outgoing().set_xy(2, -2)
l4 = Leg("l4").set_target(v3).set_type("gluon").set_outgoing().set_xy(2, 2)
l5 = Leg("l5").set_target(v4).set_type("gluon").set_outgoing().set_xy(2, 1)
l6 = Leg("l6").set_target(v4).set_type("gluon").set_outgoing().set_xy(2, -1)

fd.propagators.extend([p1, p2, p3, p4, p5])
fd.vertices.extend([v1, v2, v3, v4])
fd.legs.extend([l1, l2, l3, l4, l5, l6])
fd= feynman_adjust_points(fd)

tfd = ASCIIRender(fd)
s= tfd.render(show=False,height=30,width=80)
print(s)

                                                                              OO
                                                                            OO
                                                                          OO
                                                                       OOO
                                                                     OO
                                                                   OO
                                                                OOO
      OO                                                      OO               O
        OOOO                                                OO               OO
            OOO                                          OOO               OO
               OOOO                                    OO                 O
                   OOO                               OO                 OO
                      OOOO                       OOOOO                 O
                          OOO              OOOOOO  O  OOOOO          OO
                             OOOO    OOOOOO        O       OOOOO   OO
                                OOOOO              O            OOOO
                            OOOO     OOOO          O         OOOO   OO
                       OOOOO             OOOO      O     OOOO         OO
                  OOOOO                      OOOO  O OOOO               OO
             OOOOO                               OOOO                     OO
         OOOO                                        OOO                    OO
      OOO                                               OOO                   OO
                                                           OOO
                                                              OOOO
                                                                  OOO
                                                                     OOO
                                                                        OOO
                                                                           OOO
                                                                              OO

PDF

from pyfeyn2.render.asciipdf import ASCIIPDFRender
tfd = ASCIIPDFRender(fd,height=30,width=40)
tfd.render(show=False)