Question

from visual import *
s=[]
r=0.1
f=open('G:\Dropbox\Programming\Fortran\MolecularDynamics\Source\pos.dat','r')
box(pos=[1,1,1],length=2,width=2,height=2,opacity=0.5)
for line in f:
    rate(1)
    row = line.split()
    x = float(row[0])
    y = float(row[1])
    z = float(row[2])
    s.append(sphere(pos=[x,y,z],rad=r))

在上面的代码中，当我改变r的值时，球体的半径不会改变。我做错了什么？

以下是pos.dat

的内容

  0.76425066770083916        1.0636929975958958        1.1172529144364949     
   1.5493877083479954        1.8739841784589457       0.32294665232964315     
   1.7226925707051988        1.2935288113975998       0.82842705941539108     
   1.1157571132788351        1.6032073165018330       0.47281352901565676     
  0.85641201180922688       0.43381700408239521       0.87082052348215733     
   1.2295464749283869        1.6343067967959193        1.8621538204952262     
  0.24459026475960810       0.48469706447047489       0.66260850683935280     
   9.7846721099904554E-002   1.0883378789613212        1.0974266698879096     
   1.3217953491654058        1.2185744544458481       0.46992237251202784     
  0.93138446212988923       0.17350531672748493       0.46661784215632274     
   1.0043589622107352        1.9359078801899188        1.9320966852700339     
   1.2058561745199539       0.68518208899112198       0.36442977608095561     
   1.6757663457868546       0.10346775928039831        1.4283142254811065     
   1.5569448852911780        1.7586288480611603        1.9266600727629331     
   1.9325159921796258       0.33110561878449962        1.7581902883579656     
  0.63844388963707432       0.34815817893985024       0.91100666305761346     
   1.9482563908931441        1.5574645513006116        1.9109607990747766     
  0.49479122111175244       0.33686742568910266       0.10389548165695972     
  0.18416224004253112       0.43553604681424996        8.6043504475411980E-002
   7.9873689634088141E-002  0.73068476142567929        8.4607849131498103E-002

Answer 1

球体的论点应该是radius，而不是rad。这是正确的工作代码。

from visual import *
s=[]
r=0.1
f=open('G:\Dropbox\Programming\Fortran\MolecularDynamics\Source\pos.dat','r')
box(pos=[1,1,1],length=2,width=2,height=2,opacity=0.5)
for line in f:
    rate(1)
    row = line.split()
    x = float(row[0])
    y = float(row[1])
    z = float(row[2])
    s.append(sphere(pos=[x,y,z],radius=r))

如何在vpython中更改球体的半径？

1 个答案: