【已解决】求助rhinopython提示SyntaxError: unexpected token

xysong56

1. import rhinoscriptsyntax as rs
   
2. 
   
3. def smoothingvector(point,prev_point,next_point,s):
   
4.     pm = (prev_point + next_point)/2
   
5.     va = rs.VectorCreate(pm,point)
   
6.     vm = rs.VectorScale(va,s)
   
7.     return vm
   
8.    
   
9. def smoothingcurve(curve_id,s):
   
10.     curve_point = rs.CurvePoints(curve_id)
    
11.     new_curve_point=[]
    
12.    
    
13.     for i in range(1,len(curve_point)-1):
    
14.         vm = smoothingvector(curve_point[i],curve_point[i-1],curve_point[i+1],s)
    
15.         new_curve_point.append(rs.PointAdd(curve_point[i],vm)
    
16. 
    
17.     knot = rs.CurveKnots(curve_id)
    
18.     degree = rs.CurveDegree(curve_id)
    
19.     weights = rs.CurveWeights(curve_id)
    
20.     new_curve_id = rs.AddNurbsCurve(new_curve_points,knot,degree,weights)
    
21.     if new_curve_id: rs.DeleteObject(curve_id)
    
22.     return new_curve_id
    
23. 
    
24. def iterativeshortencurve():
    
25.     curve_id = rs.GetObject("Open curve to smooth",4,True)
    
26.     if curve_id is None or rs.IsCurveClosed(curve_id): return
    
27.    
    
28.     min = rs.Distance(rs.CurveStartPoint(curve_id),rs.CurveEndPoint(curve_id))
    
29.     max = rs.CurveLength(curve_id)
    
30.     goal = rs.GetReal("goal length",0.5*(min+max),min,max)
    
31.     if goal is None: return
    
32.    
    
33.     while rs.CurveLength(curve_id)>goal:
    
34.         rs.EnableRedraw(False)
    
35.         curve_id = smoothingcurve(curve_id, 0.1)
    
36.         rs.EnableRedraw(True)
    
37.         if curve_id is None: break
    
38.         
    
39. iterativeshortencurve()

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照着rhinopython101码的，不知道为什么提示语法错误

@筑梦NARUTO

rhinopython101 的42页内容

new_curve_point.append(rs.PointAdd(curve_point[i],vm))这句少写了一个括号

错误有点多，我给你修改了，这下就可以运行达到书上的效果了。

1. #coding=utf-8
   
2. import rhinoscriptsyntax as rs
   
3. 
   
4. def smoothingvector(point,prev_point,next_point,s):
   
5.     pm = (prev_point + next_point)/2
   
6.     va = rs.VectorCreate(pm,point)
   
7.     vm = rs.VectorScale(va,s)
   
8.     return vm
   
9.    
   
10. def smoothingcurve(curve_id,s):
    
11.     curve_point = rs.CurvePoints(curve_id)
    
12.     new_curve_point=[]
    
13.     #还有一个逻辑错误就是你这里没有把起始点和终点加入列表
    
14.     new_curve_point.append(curve_point[0])
    
15.     for i in range(1,len(curve_point)-1):
    
16.         vm = smoothingvector(curve_point[i],curve_point[i-1],curve_point[i+1],s)
    
17.         #curve_point写错了
    
18.         new_curve_point.append(rs.PointAdd(curve_point[i],vm))
    
19.         #少了一个后括号
    
20.     new_curve_point.append(curve_point[-1])
    
21.     knot = rs.CurveKnots(curve_id)
    
22.     degree = rs.CurveDegree(curve_id)
    
23.     weights = rs.CurveWeights(curve_id)
    
24.     new_curve_id = rs.AddNurbsCurve(new_curve_point,knot,degree,weights)
    
25.     #new_curve_point写成new_curve_points了
    
26.     #if new_curve_id: rs.DeleteObject(curve_id)
    
27.     #把这句删了才能体现过程,达到和书的效果一样
    
28.     return new_curve_id
    
29. 
    
30. def iterativeshortencurve():
    
31.     curve_id = rs.GetObject("Open curve to smooth",4,True)
    
32.     if curve_id is None or rs.IsCurveClosed(curve_id): return
    
33.    
    
34.     min = rs.Distance(rs.CurveStartPoint(curve_id),rs.CurveEndPoint(curve_id))
    
35.     max = rs.CurveLength(curve_id)
    
36.     goal = rs.GetReal("goal length",0.5*(min+max),min,max)
    
37.     if goal is None: return
    
38.    
    
39.     while rs.CurveLength(curve_id)>goal:
    
40.         rs.EnableRedraw(False)
    
41.         curve_id = smoothingcurve(curve_id, 0.1)
    
42.         rs.EnableRedraw(True)
    
43.         if curve_id is None: break
    
44.         
    
45. iterativeshortencurve()

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筑梦NARUTO 发表于 2016-7-3 22:35
new_curve_point.append(rs.PointAdd(curve_point,vm))这句少写了一个括号

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