#!/usr/bin/env python3
from GWL.GWL_parser import *
[docs]def func1():
P1=[1,1,1]
P2=[0,0,2]
power=-1
inner_radius=0
outer_radius=0
PointDistance_r=0.1
PointDistance_theta=0.1
print(('P1=',P1))
print(('P2=',P2))
# prepare some variables
v = numpy.array(P2)-numpy.array(P1) # vector to rotate
print(('v=',v))
centro = 0.5*(numpy.array(P2)+numpy.array(P1)) # center of LineCylinder
print(('centro=',centro))
u = numpy.array([0,0,1]) # direction of standard TubeWithVerticalLines
print(('u=',u))
theta = Angle(u,v) # angle by which to rotate
print(('theta=',theta))
rotation_axis = numpy.cross(u,v) # axis around which to rotate
print(('rotation_axis=',rotation_axis))
height = numpy.linalg.norm(v)
print(('height=',height))
# build a basis from the P1-P2 direction
k = v
i = Orthogonal(k)
j = numpy.cross(k,i)
print(('i=',i))
print(('j=',j))
print(('k=',k))
i = i/numpy.linalg.norm(i)
j = j/numpy.linalg.norm(j)
k = k/numpy.linalg.norm(k)
print(('i=',i))
print(('j=',j))
print(('k=',k))
# transformation matrix from (x,y,z) into (i,j,k)
P = numpy.transpose(numpy.matrix([i,j,k]))
print(P)
print(P.T)
print(P*P.T)
# create a vertical tube and rotate it
tube = GWLobject()
origin = [0,0,0]
tube.addTubeWithVerticalLines(origin, inner_radius, outer_radius, height, power, PointDistance_r, PointDistance_theta, downwardWriting=False)
print(('tube.GWL_voxels=',tube.GWL_voxels))
tube.write_GWL('test.gwl')
print(P)
print(('centro=',centro))
tube.applyTransformationMatrix(P, centro)
print(('tube.GWL_voxels=',tube.GWL_voxels))
[docs]def func2():
obj=GWLobject();
obj.addLineCylinder(P1=[1,1,1], P2=[0,0,2], power=-1, inner_radius=0.05, outer_radius=0.1, PointDistance_r=0.01, PointDistance_theta=0.01)
obj.write_GWL('test.gwl')
if __name__ == "__main__":
func2()