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from opencamlib import ocl, camvtk
import math
# 2018.08: Weave not wrapped
def loop_waterline(zh, cutter,s):
fiber_range=2
Nmax = 200
yvals = [float(n-float(Nmax)/2)/Nmax*fiber_range for n in range(0,Nmax+1)]
xvals = [float(n-float(Nmax)/2)/Nmax*fiber_range for n in range(0,Nmax+1)]
bpc = ocl.BatchPushCutter()
bpc.setXDirection()
bpc.setSTL(s)
bpc.setCutter(cutter)
for y in yvals:
f1 = ocl.Point(-fiber_range,y,zh) # start point of fiber
f2 = ocl.Point(+fiber_range,y,zh) # end point of fiber
f = ocl.Fiber( f1, f2)
bpc.appendFiber(f)
for x in xvals:
f1 = ocl.Point(x,-fiber_range,zh) # start point of fiber
f2 = ocl.Point(x,+fiber_range,zh) # end point of fiber
f = ocl.Fiber( f1, f2)
bpc.appendFiber(f)
bpc.run()
clpoints = bpc.getCLPoints()
fibers = bpc.getFibers()
w = ocl.Weave()
print("Weave...",)
for f in fibers:
w.addFiber(f)
print("build()...",)
w.build()
print("face_traverse()...",)
w.face_traverse()
print("done.")
return w.getLoops()
def drawLoop(myscreen, w_loop): # draw the loop as a yellow line
previous = 0
for loop in w_loop:
np = 0
for p in loop:
if np is not 0:
myscreen.addActor( camvtk.Line( p1=(previous.x,previous.y, previous.z),
p2=(p.x,p.y,p.z), color=camvtk.yellow) )
np=np+1
previous = p
if __name__ == "__main__":
print(ocl.version())
myscreen = camvtk.VTKScreen()
a = ocl.Point(0,1,0.3)
myscreen.addActor(camvtk.Point(center=(a.x,a.y,a.z), color=(1,0,1)))
b = ocl.Point(1,0.5,0.3)
myscreen.addActor(camvtk.Point(center=(b.x,b.y,b.z), color=(1,0,1)))
c = ocl.Point(0,0,0.1)
myscreen.addActor(camvtk.Point(center=(c.x,c.y,c.z), color=(1,0,1)))
myscreen.addActor( camvtk.Line(p1=(a.x,a.y,a.z),p2=(c.x,c.y,c.z)) )
myscreen.addActor( camvtk.Line(p1=(c.x,c.y,c.z),p2=(b.x,b.y,b.z)) )
myscreen.addActor( camvtk.Line(p1=(a.x,a.y,a.z),p2=(b.x,b.y,b.z)) )
t = ocl.Triangle(b,c,a)
s = ocl.STLSurf()
s.addTriangle(t) # a one-triangle STLSurf
diameter = 0.4
angle = math.pi/4
length = 5
cutter = ocl.CylCutter(0.3, 5)
#cutter = ocl.BallCutter(0.4, 5)
#cutter = ocl.BullCutter(0.4, 0.1, 5)
#cutter = ocl.ConeCutter(diameter, angle, length)
print(cutter)
zstart = 0
zend = 0.35
zvals=[]
Nz = 7
for n in range(0,Nz):
zvals.append( zstart + n*(zend-zstart)/float(Nz-1) )
for zh in zvals:
print("zh=", zh)
w_loop = loop_waterline(zh, cutter,s)
drawLoop( myscreen, w_loop )
print("done.")
myscreen.camera.SetPosition(0.5, 3, 2)
myscreen.camera.SetFocalPoint(0.5, 0.5, 0)
camvtk.drawArrows(myscreen,center=(-0.5,-0.5,-0.5))
camvtk.drawOCLtext(myscreen)
myscreen.render()
myscreen.iren.Start()
#raw_input("Press Enter to terminate")
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