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from opencamlib import ocl, camvtk, procmemory
# 2018.08: Weave not wrapped
def drawVertices(myscreen, weave, vertexType, vertexRadius, vertexColor):
pts = weave.getVertices( vertexType )
print(" got ",len(pts)," of type ", vertexType)
for p in pts:
myscreen.addActor( camvtk.Sphere(center=(p.x,p.y,p.z), radius=vertexRadius, color=vertexColor ) )
if __name__ == "__main__":
print(ocl.version())
myscreen = camvtk.VTKScreen()
#stl = camvtk.STLSurf("../../stl/demo.stl")
stl = camvtk.STLSurf("../../../stl/gnu_tux_mod.stl")
myscreen.addActor(stl)
stl.SetWireframe()
#stl.SetSurface()
stl.SetColor(camvtk.grey)
polydata = stl.src.GetOutput()
s = ocl.STLSurf()
camvtk.vtkPolyData2OCLSTL(polydata, s)
cutter = ocl.CylCutter(0.3, 5)
#cutter = ocl.BallCutter(0.4, 5)
#cutter = ocl.BullCutter(0.4, 0.1, 5)
print("fiber...")
fiber_range=30
Nmax = 400
yvals = [float(n-float(Nmax)/2)/Nmax*float(fiber_range) for n in range(0,Nmax+1)]
xvals = [float(n-float(Nmax)/2)/Nmax*float(fiber_range) for n in range(0,Nmax+1)]
zvals=[ 1.6523]
bpc_x = ocl.BatchPushCutter()
bpc_y = ocl.BatchPushCutter()
bpc_x.setXDirection()
bpc_y.setYDirection()
bpc_x.setSTL(s)
bpc_y.setSTL(s)
bpc_x.setCutter(cutter)
bpc_y.setCutter(cutter)
# create fibers
for zh in zvals:
for y in yvals:
f1 = ocl.Point(-15.5,y,zh) # start point of fiber
f2 = ocl.Point(15.5,y,zh) # end point of fiber
f = ocl.Fiber( f1, f2)
bpc_x.appendFiber(f)
for x in xvals:
f1 = ocl.Point(x,-15.5,zh) # start point of fiber
f2 = ocl.Point(x,15.5,zh) # end point of fiber
f = ocl.Fiber( f1, f2)
bpc_y.appendFiber(f)
# run
bpc_x.run()
bpc_y.run()
xfibers = bpc_x.getFibers()
yfibers = bpc_y.getFibers()
fibers = xfibers+yfibers
print(" got ",len(xfibers)," xfibers")
print(" got ",len(yfibers)," yfibers")
print("rendering fibers and CL-points.")
w = ocl.Weave()
print("push fibers to Weave...",)
for f in fibers:
w.addFiber(f)
print("done.")
print("Weave build()...",)
mem1 = procmemory.resident()
print("before ", mem1)
w.build()
#w.build2()
mem2 = procmemory.resident()
print("after ", float(mem2)/float(1024*1024), " MB")
print(" build() memory: ",float(mem2-mem1)/float(1024*1024)," MB")
print("done")
print("face_traverse...")
w.face_traverse()
print("done.")
w_clpts = w.getCLVertices()
w_ipts = w.getINTVertices()
w_edges = w.getEdges()
w_loop = w.getLoops()
vertexRadius = 0.007
drawVertices(myscreen, w, ocl.WeaveVertexType.CL, vertexRadius, camvtk.red)
drawVertices(myscreen, w, ocl.WeaveVertexType.INT, vertexRadius, camvtk.orange)
drawVertices(myscreen, w, ocl.WeaveVertexType.FULLINT, vertexRadius, camvtk.yellow)
drawVertices(myscreen, w, ocl.WeaveVertexType.ADJ, vertexRadius, camvtk.green)
drawVertices(myscreen, w, ocl.WeaveVertexType.TWOADJ, vertexRadius, camvtk.lblue)
print(" got: ", len(w_edges), " edges")
print(" got: ", len(w_loop), " loops")
# draw the loops
nloop = 0
for lop in w_loop:
n = 0
N = len(lop)
first_point=ocl.Point(-1,-1,5)
previous=ocl.Point(-1,-1,5)
for p in lop:
if n==0: # don't draw anything on the first iteration
previous=p
first_point = p
elif n== (N-1): # the last point
myscreen.addActor( camvtk.Line(p1=(previous.x,previous.y,previous.z),p2=(p.x,p.y,p.z),color=camvtk.yellow) ) # the normal line
# and a line from p to the first point
myscreen.addActor( camvtk.Line(p1=(p.x,p.y,p.z),p2=(first_point.x,first_point.y,first_point.z),color=camvtk.yellow) )
else:
myscreen.addActor( camvtk.Line(p1=(previous.x,previous.y,previous.z),p2=(p.x,p.y,p.z),color=camvtk.yellow) )
previous=p
n=n+1
print("rendered loop ",nloop, " with ", len(lop), " points")
nloop = nloop+1
# draw edges of weave
ne = 0
zoffset=0.0 # 1
dzoffset = 0.000 # 5
for e in w_edges:
p1 = e[0]
p2 = e[1]
myscreen.addActor( camvtk.Line( p1=( p1.x,p1.y,p1.z+zoffset+ne*dzoffset), p2=(p2.x,p2.y,p2.z+zoffset+ne*dzoffset) ) )
ne = ne+1
print("done.")
myscreen.camera.SetPosition(0.8051, 0.8051, 3.5)
myscreen.camera.SetFocalPoint(0.805, 0.805, 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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