In [1]:

    

import cadnano.bin.cnnbdisplay as cnd
from cadnano.document import Document


    

In [2]:

    

doc = cnd.loadFile("ex1.json")
part = doc.activePart()
cnd.displayVHs(part, camera_z = 30, colors=['lightcyan'])


    

    




Found cadnano version 2 file






    






 
 

In [3]:

    

doc = Document()
part = doc.createNucleicAcidPart(is_lattice=False)
vh_points = [
            (2, 0, 0, (0, 0, 1.)),
            (-2, 0, 0, (0, 0, 1.)),
            (0, 2, 0, (0, 0, 1.)),
            (-7, -2, 8, (1., 0, 0))
]
for item in vh_points:
    x, y, z, direction = item
    part.createVirtualHelix(x, y, z, direction=direction)
cnd.displayVHs(part, camera_z=20, colors=['hotpink'])


    

In [ ]: