Generate PSF angles from bonds in VMD

Sometimes, one has the bond topology but not the matching angle or dihedral definitions. Here is how to get them in VMD with topotools.

vmd > topo numbonds
352
vmd > topo numangles
332
vmd > topo clearangles
vmd > topo numangles
0
vmd > topo guessangles
vmd > topo numangles
414
vmd > animate write psf guessed.psf top        
psfplugin) Writing angles/dihedrals/impropers...
Info) Opened coordinate file guessed.psf for writing.
Info) Finished with coordinate file guessed.psf.
1

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