RhinoPython从UV两个方向评估曲面并生成点阵

#coding:utf-8
import rhinoscriptsyntax as rs

def SrfPts(srf,intU,intV):
    ptDict={}

    #设定曲面的UV区间
    Udomain=rs.SurfaceDomain(srf,0)
    Vdomain=rs.SurfaceDomain(srf,1)
    print "Udomain:",Udomain
    print "Vdomain:",Vdomain

    #设定曲面UV方向的步长
    stepU=(Udomain[1]-Udomain[0])/intU
    stepV=(Udomain[1]-Udomain[0])/intV
    print "stepU:",stepU
    print "stepV:",stepV

    for i in range(intU+1):
        for j in range(intV+1):
            u=Udomain[0]+stepU*i
            v=Vdomain[0]+stepV*j

            point=rs.EvaluateSurface(srf,u,v)
            ptDict[(i,j)]=point
            rs.AddPoint(point)

    for i in range(intU+1):
        for j in range(intV+1):
            rs.AddTextDot((i,j),ptDict[(i,j)])
            rs.AddPoint(ptDict[i,j])


def main():
    strSrf=rs.GetObject("select a surface",rs.filter.surface)
    intU=rs.GetInteger("How many u intervals",8)
    intV=rs.GetInteger("How many v intervals",8)
    # rs.HideObject(strSrf)

    SrfPts(strSrf,intU,intV)

main()