def center_vlist(vlist):
"""
Center a list of v3 vectors and return (center, centered_vlist_copy)
"""
center = v3.get_center(vlist)
center_matrix = v3.translation(-center)
return (center, [v3.transform(center_matrix, v) for v in vlist])
def get_crds(res_tags, soup):
crds = []
i_residues = [soup.get_i_residue(r) for r in res_tags]
for j, k in split_pairs(i_residues):
for i in range(j, k+1):
crds.append(soup.residue(i).atom('CA').pos)
center = v3.get_center(crds)
crds = [c-center for c in crds]
return crds
def get_crds(res_tags, soup):
crds = []
i_residues = [soup.get_i_residue(r) for r in res_tags]
for j, k in split_pairs(i_residues):
for i in range(j, k + 1):
crds.append(soup.residue(i).atom('CA').pos)
center = v3.get_center(crds)
crds = [c - center for c in crds]
return crds
