Example #1
0
def main():  
    print ocl.revision()
    myscreen = camvtk.VTKScreen()   
    myscreen.camera.SetPosition(-8, -4, 25)
    myscreen.camera.SetFocalPoint(0,0, 0)   
    arpos=-1.5
    camvtk.drawArrows(myscreen,center=(arpos,arpos,arpos))
    camvtk.drawOCLtext(myscreen)
    octtext = camvtk.Text()
    octtext.SetPos( (70, myscreen.height-600) )
    myscreen.addActor( octtext)
    octtext.SetText("Octree")
    vertex = [       ocl.Point( 1, 1,-1),   #// 0
                     ocl.Point(-1, 1,-1),   #// 1
                     ocl.Point(-1,-1,-1),   #// 2
                     ocl.Point( 1,-1,-1),   #// 3
                     ocl.Point( 1, 1, 1),   #// 4
                     ocl.Point(-1, 1, 1),   #// 5
                     ocl.Point(-1,-1, 1),   #// 6
                     ocl.Point( 1,-1, 1)    #// 7
                    ]
    
    n=0
    for v in vertex:
        myscreen.addActor( camvtk.Sphere(center=(v.x,v.y,v.z), radius=0.1,color=camvtk.red))
        v=v
        t = camvtk.Text3D(color=camvtk.red, center=(v.x+0.1,v.y+0.1,v.z), text=str(n), scale=0.2, camera=myscreen.camera)
        myscreen.addActor(t)
        n=n+1
    
    edgeTable = [ [0,1] ,
                  [1,2] ,
                  [2,3] ,
                  [3,0] ,
                  [4,5] ,
                  [5,6] ,
                  [6,7] ,
                  [7,4] ,
                  [0,4] ,
                  [1,5] ,
                  [2,6] ,
                  [3,7] ,  
                ]
    
    # draw the edges as tubes
    ne = 0
    for e in edgeTable:

        ep1 = vertex[ e[0] ] 
        ep2 = vertex[ e[1] ]
        tu = camvtk.Tube( p1=(ep1.x,ep1.y,ep1.z), p2=(ep2.x,ep2.y,ep2.z), radius=0.051, color=camvtk.green )
        myscreen.addActor(tu)
        mid = 0.5*(ep1 + ep2)
        t = camvtk.Text3D(color=camvtk.green, center=(mid.x+0.1,mid.y+0.1,mid.z), text=str(ne), scale=0.2, camera=myscreen.camera)
        myscreen.addActor(t)
        ne=ne+1
        
    # number the faces
    face = [ [2,3,6,7] , 
             [0,3,4,7] , 
             [0,1,4,5] ,
             [1,2,5,6] ,
             [0,1,2,3] ,
             [4,5,6,7] ,
            ]
    nf=0
    for f in face:
        mid = ocl.Point()
        for v in f:
            mid = mid+vertex[v]
        mid=0.25*mid
        t = camvtk.Text3D(color=camvtk.blue, center=(mid.x,mid.y,mid.z), text=str(nf), scale=0.2, camera=myscreen.camera)
        myscreen.addActor(t)
        nf=nf+1
    myscreen.render() 
    print "All done."
    myscreen.iren.Start() 
def main(filename="frame/f.png",yc=6, n=0):  
    print(ocl.revision())
          
    f=ocl.Ocode()
    f.set_depth(7)
    f.set_scale(1)
    
    myscreen = camvtk.VTKScreen()   
    myscreen.camera.SetPosition(50, 22, 40)
    myscreen.camera.SetFocalPoint(0,0, 0)   
    myscreen.camera.Azimuth( n*0.5 )
    
    # box around octree 
    oct_cube = camvtk.Cube(center=(0,0,0), length=4*f.get_scale(), color=camvtk.white)
    oct_cube.SetWireframe()
    myscreen.addActor(oct_cube)
    
    # screenshot writer
    w2if = vtk.vtkWindowToImageFilter()
    w2if.SetInput(myscreen.renWin)
    lwr = vtk.vtkPNGWriter()
    lwr.SetInput( w2if.GetOutput() )
    arrowcenter=(1,2,0)
    xar = camvtk.Arrow(color=camvtk.red, center=arrowcenter, rotXYZ=(0,0,0))
    myscreen.addActor(xar)
    yar = camvtk.Arrow(color=camvtk.green, center=arrowcenter, rotXYZ=(0,0,90))
    myscreen.addActor(yar)
    zar = camvtk.Arrow(color=camvtk.blue, center=arrowcenter, rotXYZ=(0,-90,0))
    myscreen.addActor(zar) 
    
    
    t = ocl.LinOCT()
    t2 = ocl.LinOCT()
    t.init(0)
    #exit()
    t2.init(2)
    
    #drawTree2(myscreen, t, opacity=0.2)
    #myscreen.render()
    #myscreen.iren.Start() 
    #exit()
    
    print(" after init() t :", t.str())
    #print " after init() t2 :", t2.str()
    
    # sphere
    svol = ocl.SphereOCTVolume()
    svol.radius=1
    svol.center = ocl.Point(0,0,1)
    svol.calcBB()

    # cube
    cube1 = ocl.CubeOCTVolume()
    cube1.side=2.123
    cube1.center = ocl.Point(0,0,0)
    cube1.calcBB()
    
    #cylinder
    cylvol = ocl.CylinderOCTVolume()
    cylvol.p2 = ocl.Point(1,5,-2)
    cylvol.radius= 0.4
    cylvol.calcBB()
    
    # draw exact cylinder
    cp = 0.5*(cylvol.p1 + cylvol.p2)
    height = (cylvol.p2-cylvol.p1).norm()
    cylvolactor = camvtk.Cylinder(center=(cp.x, cp.y, cp.z-float(height)/2), radius = cylvol.radius, height=height, rotXYZ=(90,0,0))
    cylvolactor.SetWireframe()
    #myscreen.addActor(cylvolactor)

    
    c = ocl.CylCutter(1)
    c.length = 3
    print("cutter length=", c.length)
    p1 = ocl.Point(0.2,0.2,0)
    p2 = ocl.Point(1.5,1.5,-1)
    g1vol = ocl.CylMoveOCTVolume(c, p1, p2)
   
    
    cyl1 = camvtk.Cylinder(center=(p1.x,p1.y,p1.z), radius=c.radius,
                            height=c.length,
                            rotXYZ=(90,0,0), color=camvtk.grey)
    cyl1.SetWireframe()
    myscreen.addActor(cyl1) 
    cyl2 = camvtk.Cylinder(center=(p2.x,p2.y,p2.z), radius=c.radius,
                            height=c.length,
                            rotXYZ=(90,0,0), color=camvtk.grey)
    cyl2.SetWireframe()
    myscreen.addActor(cyl2) 
    
    startp = camvtk.Sphere(center=(p1.x,p1.y,p1.z), radius=0.1, color=camvtk.green)
    myscreen.addActor(startp)
    
    endp = camvtk.Sphere(center=(p2.x,p2.y,p2.z), radius=0.1, color=camvtk.red)
    myscreen.addActor(endp)
    
    
    
    #t.build( g1vol )
    t_before = time.time()
    #t.build( g1vol )
    t.build( svol )
    t_after = time.time()
    print("build took ", t_after-t_before," s")
    
    t_before = time.time()
    t2.build( cube1)
    t_after = time.time()
    print("build took ", t_after-t_before," s")
    
    #t.sort()
    #t2.sort()
    
    print("calling diff()...",)
    t_before = time.time()
    #dt = t2.operation(1,t)
    t2.diff(t)
    t_after = time.time()
    print("done.")
    print("diff took ", t_after-t_before," s")
    
    print("diff has ", t2.size()," nodes")
    
    

    #drawBB( myscreen, g1vol)
    #print "drawBB() done"
    

    
    # original trees
    print("drawing trees")
    drawTree2(myscreen,t,opacity=1, color=camvtk.green)
    drawTree2(myscreen,t2,opacity=0.2, color=camvtk.cyan)
    drawTree2(myscreen,t2,opacity=1, color=camvtk.cyan, offset=(5,0,0))
    
    # box-volume
    #cor = g1vol.box.corner
    #v1 = g1vol.box.v1 + cor
    #v2 = g1vol.box.v2 + cor
    #v3 = g1vol.box.v3 + cor
    #myscreen.addActor( camvtk.Sphere(center=(cor.x,cor.y,cor.z), radius=0.1, color=camvtk.red) )
    #myscreen.addActor( camvtk.Sphere(center=(v1.x,v1.y,v1.z), radius=0.1, color=camvtk.blue) )
    #myscreen.addActor( camvtk.Sphere(center=(v2.x,v2.y,v2.z), radius=0.1, color=camvtk.cyan) )
    #myscreen.addActor( camvtk.Sphere(center=(v3.x,v3.y,v3.z), radius=0.1, color=camvtk.pink) )
    
    # elliptical tube
    pmax = p1 + 1.5* (p2-p1)
    pmin = p1 - 0.5* (p2-p1)
    myscreen.addActor( camvtk.Sphere(center=(pmax.x,pmax.y,pmax.z), radius=0.1, color=camvtk.lgreen) )
    myscreen.addActor( camvtk.Sphere(center=(pmin.x,pmin.y,pmin.z), radius=0.1, color=camvtk.pink) )
    aaxis = pmin + ocl.Point(-0.353553, 0.353553, 0)
    baxis = pmin + ocl.Point(0.0243494, 0.0243494, 0.126617)
    myscreen.addActor( camvtk.Sphere(center=(aaxis.x,aaxis.y,aaxis.z), radius=0.1, color=camvtk.orange) )
    myscreen.addActor( camvtk.Sphere(center=(baxis.x,baxis.y,baxis.z), radius=0.1, color=camvtk.yellow) )
    
    ##camvtk.Cylinder(center=(pmin.x,pmin.y,pmin.z), radius=0.1, color=camvtk.pink)
    
    """
    for n in range(0,30):
        tp = ocl.Point(2.5,2.5,2-n*0.3)
        tpc = camvtk.black
        if (cylvol.isInside(tp)):
            tpc = camvtk.red
        else:
            tpc = camvtk.cyan
        tp_sphere = camvtk.Sphere(center=(tp.x,tp.y,tp.z), radius=0.1, color= tpc)
        myscreen.addActor(tp_sphere)
    """
    
    #drawTree(myscreen,t2,opacity=1, color=camvtk.red)

    #print " diff12()...",
    #t3 = t2.operation(1,t)
    #print "done."


    #print " diff21()...",
    #t4 = t2.operation(2,t)
    #print "done."


    #print " intersection()...",
    #t5 = t2.operation(3,t)
    #print "done."
    
    #print " sum()...",
    #t6 = t2.operation(4,t)
    #print "done."
    
    #print "  difference 1-2  t3 (blue) =", t3.size()
    #print " difference 2-1  t4 (yellow)=", t4.size()
    #print "     intersection t5 (pink) =", t5.size()
    #print "            union t6 (grey) =", t6.size()

    #drawTree(myscreen,t3,opacity=1, color=camvtk.blue, offset=(0,15,0))
    #drawTree(myscreen,t4,opacity=1, color=camvtk.yellow,offset=(0,-15,0))
    #drawTree(myscreen,t5,opacity=1, color=camvtk.pink,offset=(-15,0,0))
    #drawTree(myscreen,t6,opacity=1, color=camvtk.grey,offset=(-15,-15,0))
    
    
    title = camvtk.Text()
    title.SetPos( (myscreen.width-350, myscreen.height-30) )
    title.SetText("OpenCAMLib " + datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
    myscreen.addActor(title)
    
    #st2 = camvtk.Text()
    #ytext = "Linear OCTree set operations: difference, intersection, union"
    #st2.SetText(ytext)
    #st2.SetPos( (50, myscreen.height-30) )   
    #myscreen.addActor( st2)
    
    #st3 = camvtk.Text()
    #text = "Original OCTrees\n  Ball:%d nodes\n  Cube: %d nodes" % ( t.size(), t2.size() )
    #st3.SetText(text)
    #st3.SetPos( (50, 200) )   
    #myscreen.addActor( st3)
    
    #st4 = camvtk.Text()
    #un = " Union (grey): %d nodes\n" % (t6.size())
    #int = " Intersection (pink): %d nodes\n"  % (t5.size())
    #diff1 = " difference Cube-Ball (blue): %d nodes\n"  % (t3.size())
    #diff2 = " difference Ball-Cube (yellow): %d nodes\n"  % (t4.size())
    #text= un+int+diff1+diff2
    #st4.SetText(text)
    #st4.SetPos( (50, 100) )   
    #myscreen.addActor( st4)
    
    print(" render()...",)
    myscreen.render()
    print("done.")
    lwr.SetFileName(filename)
    time.sleep(0.2)
    #lwr.Write()
    
    
    myscreen.iren.Start() 
Example #3
0
def main():  
    print(ocl.revision())
    myscreen = camvtk.VTKScreen()   
    myscreen.camera.SetPosition(-15, -8, 15)
    myscreen.camera.SetFocalPoint(0,0, 0)   
    # axis arrows
    camvtk.drawArrows(myscreen,center=(0,0,0))

    s = ocl.SphereOCTVolume()
    s.center = ocl.Point(-2.50,-0.6,0)
    s.radius = 0.6345
    
    #sphere = camvtk.Sphere( center=(s.center.x,s.center.y,s.center.z), radius=s.radius, color=camvtk.cyan)
    #sphere.SetOpacity(0.1)
    #myscreen.addActor( sphere );
    
    
    # screenshot writer
    w2if = vtk.vtkWindowToImageFilter()
    w2if.SetInput(myscreen.renWin)
    lwr = vtk.vtkPNGWriter()
    lwr.SetInput( w2if.GetOutput() )
    
    # text
    camvtk.drawOCLtext(myscreen)
    octtext = camvtk.Text()
    octtext.SetPos( (myscreen.width-400, myscreen.height-290) )
    myscreen.addActor( octtext)

    
    
    cp= ocl.Point(0,0,-3)
    #depths = [3, 4, 5, 6, 7, 8]
    max_depth = 7
    root_scale = 3
    t = ocl.Octree(root_scale, max_depth, cp)
    t.init(4)
    n = 0 # the frame number
    nmax=30
    theta=0
    dtheta=0.05
    s.center =  ocl.Point( 1.5*math.cos(theta),0.3*math.sin(theta),theta)  
    mc = ocl.MarchingCubes()
    tris=[]
    while (n<=nmax):
        print("diff...",)
        t_before = time.time() 
        t.diff_negative(s)
        t_after = time.time() 
        build_time = t_after-t_before
        print("done in ", build_time," s")
        infotext= "Octree + Marching-Cubes test\nmax octree-depth:%i \ntriangles: %i \nbuild() time: %f ms" % (max_depth, 
                                                len(tris), build_time*1e3 )
        octtext.SetText(infotext)
        
        if n==nmax:
            t_before = time.time() 
            print("mc()...",)
            tris = mc.mc_tree(t) #.mc_triangles()
            t_after = time.time() 
            mc_time = t_after-t_before
            print("done in ", mc_time," s")
            print(" mc() got ", len(tris), " triangles")
            mc_surf = camvtk.STLSurf( triangleList=tris, color=camvtk.red )
            mc_surf.SetWireframe()
            mc_surf.SetColor(camvtk.cyan)
            print(" STLSurf()...",)
            myscreen.addActor( mc_surf )
            print("done.")
            #nodes = t.get_leaf_nodes()
            #allpoints=[]
            #for no in nodes:
            #    verts = no.vertices()
            #    for v in verts:
            #        allpoints.append(v)
            #oct_points = camvtk.PointCloud( allpoints )
            #print " PointCloud()...",
            #myscreen.addActor( oct_points )
            #print "done."
            print(" render()...",)
            myscreen.render()

            print("done.")

            #lwr.SetFileName("frames/mc8_frame"+ ('%06d' % n)+".png")
            #myscreen.camera.Azimuth( 2 )
            #myscreen.render()
            #w2if.Modified() 
            #lwr.Write()
                
            #mc_surf.SetWireframe()
            #print "sleep...",
            #time.sleep(1.02)
            #print "done."
                
            
            if n is not nmax:
                myscreen.removeActor( mc_surf )
                #myscreen.removeActor( oct_points )
        
        # move forward
        theta = n*dtheta
        s.center =  ocl.Point( 1.5*math.cos(theta),0.3*math.sin(theta),0.01*theta)  
        print("center moved to", s.center)
        n=n+1
    print("All done.")
    myscreen.iren.Start() 
Example #4
0
def main():  
    print(ocl.revision())
    myscreen = camvtk.VTKScreen()   
    myscreen.camera.SetPosition(-15, -8, 15)
    myscreen.camera.SetFocalPoint(0,0, 0)   
    # axis arrows
    #camvtk.drawArrows(myscreen,center=(0,0,0))

    s = ocl.SphereOCTVolume()
    s.center = ocl.Point(-2.50,-0.6,0)
    s.radius = 1.1345

    # screenshot writer
    w2if = vtk.vtkWindowToImageFilter()
    w2if.SetInput(myscreen.renWin)
    lwr = vtk.vtkPNGWriter()
    lwr.SetInput( w2if.GetOutput() )
    
    cp= ocl.Point(0,0,-16)
    #depths = [3, 4, 5, 6, 7, 8]
    max_depth = 8
    root_scale = 16
    t = ocl.Octree(root_scale, max_depth, cp)
    t.init(4)
    n = 0 # the frame number
    nmax=80
    theta=0
    dtheta=0.06
    thetalift=-0.01
    s.center =  ocl.Point( 1.3*math.cos(theta),1.3*math.sin(theta),thetalift*theta)  
    mc = ocl.MarchingCubes()
    while (n<=nmax):
        print("diff...",)
        t_before = time.time() 
        t.diff_negative(s)
        t_after = time.time() 
        build_time = t_after-t_before
        print("done in ", build_time," s")
        
        if n==nmax:
            t_before = time.time() 
            print("mc()...",)
            tris = mc.mc_tree(t) #.mc_triangles()
            t_after = time.time() 
            mc_time = t_after-t_before
            print("done in ", mc_time," s")
            print(" mc() got ", len(tris), " triangles")
            mc_surf = camvtk.STLSurf( triangleList=tris, color=camvtk.red )
            #mc_surf.SetWireframe()
            mc_surf.SetColor(camvtk.cyan)
            print(" STLSurf()...",)
            myscreen.addActor( mc_surf )
            print("done.")
            nodes = t.get_leaf_nodes()
            allpoints=[]
            #for no in nodes:
            #    verts = no.vertices()
            #    for v in verts:
            #        allpoints.append(v)
            #oct_points = camvtk.PointCloud( allpoints )
            print(" PointCloud()...",)
            #myscreen.addActor( oct_points )
            print("done.")
            print(" render()...",)
            myscreen.render()

            print("done.")

            #lwr.SetFileName("frames/mc8_frame"+ ('%06d' % n)+".png")
            #myscreen.camera.Azimuth( 2 )
            #myscreen.render()
            #w2if.Modified() 
            #lwr.Write()
                
            #mc_surf.SetWireframe()
            #print "sleep...",
            #time.sleep(1.02)
            #print "done."
                
            
            if n is not nmax:
                myscreen.removeActor( mc_surf )
                #myscreen.removeActor( oct_points )
        
        # move forward
        theta = n*dtheta
        sp1 = ocl.Point(s.center)
        s.center =  ocl.Point( 1.3*math.cos(theta),1.3*math.sin(theta),thetalift*theta)  
        sp2 = ocl.Point(s.center)
        print("line from ",sp1," to ",sp2)
        if n is not nmax:
            myscreen.addActor( camvtk.Line( p1=(sp1.x,sp1.y,sp1.z),p2=(sp2.x,sp2.y,sp2.z), color=camvtk.red ) )
        print("center moved to", s.center)
        n=n+1
    print("All done.")
    myscreen.iren.Start() 
Example #5
0
import ocl
import camvtk
import time
import vtk
import datetime
import math

if __name__ == "__main__":
    print(ocl.revision())
    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

    #cutter = ocl.CylCutter(0.31, 5)
    #cutter = ocl.BallCutter(0.4, 5)
    cutter = ocl.BullCutter(0.4, 0.1, 5)

    print("fiber...")

    zh = 0.23
def main():  
    print(ocl.revision())
    myscreen = camvtk.VTKScreen()   
    myscreen.camera.SetPosition(2, 2, 5)
    myscreen.camera.SetFocalPoint(0.5,0, 1)   
    # axis arrows
    camvtk.drawArrows(myscreen,center=(-2,-2,0))
    camvtk.drawOCLtext(myscreen)
    
    
    s = ocl.BallCutterVolume()
    #s = ocl.CylCutterVolume()
    #s = ocl.BullCutterVolume()
    #s.center = ocl.Point(-2.50,-0.6,0)
    s.r1=0.3
    s.r2=0.1
    s.radius = 0.4
    s.length = 2
    startpoint = ocl.Point(0.46,1.0,0.4)
    s.setPos( startpoint )

    # screenshot writer
    w2if = vtk.vtkWindowToImageFilter()
    w2if.SetInput(myscreen.renWin)
    lwr = vtk.vtkPNGWriter()
    lwr.SetInput( w2if.GetOutput() )
    
    cp= ocl.Point(0,0,0) # center of octree
    max_depth = 6
    root_scale = 1
    t = ocl.Octree(root_scale, max_depth, cp)
    
    t.init(2)
    n = 0 # the frame number
    
    print("root_scale = ", t.root_scale())
    print(" max_depth = ", t.max_depth())
    print(" leaf_scale=", t.leaf_scale())
    
    # X
    #stockbox = ocl.PlaneVolume( 1, 0, -0.9)
    #t.diff_negative(stockbox)
    #stockbox = ocl.PlaneVolume( 0, 0, 0.9  )
    #t.diff_negative(stockbox)
    
    # Y
    #stockbox = ocl.PlaneVolume( 1, 1, -0.9)
    #t.diff_negative(stockbox)
    #stockbox = ocl.PlaneVolume( 0, 1, 0.9  )
    #t.diff_negative(stockbox)
    
    # Z
    #stockbox = ocl.PlaneVolume( 1, 2, 0.1  )
    #t.diff_negative(stockbox)
    #stockbox = ocl.PlaneVolume( 0, 2, 0.8)
    #t.diff_negative(stockbox)
    
    
    #t.diff_negative(s)
    
    mc = ocl.MarchingCubes()
    
    print("mc()...",)
    tris = mc.mc_tree(t) # t.mc_triangles()
    print(" mc() got ", len(tris), " triangles")
    #tris2 = t.side_triangles()
    #print "appending"
    #for tr in tris2:
    #    tris.append(tr)
    #print " side_triangles() got ", len(tris2), " triangles"
    mc_surf = camvtk.STLSurf( triangleList=tris )
    mc_surf.SetColor(camvtk.cyan)
    #s_surf = camvtk.STLSurf( triangleList=tris2 )
    #s_surf.SetColor(camvtk.yellow)
    
    #mc_surf.SetWireframe()
    #mc_surf.SetOpacity(0.3)
    
    print(" STLSurf()...",)
    myscreen.addActor( mc_surf )
    #myscreen.addActor( s_surf )
    print("done.")
    myscreen.render()
    
    
    myscreen.render()
    #myscreen.iren.Start() 
    #exit()
    myscreen.removeActor( mc_surf )
    #myscreen.removeActor( s_surf )
    #renderinterleave=900
    #step_time = 0
    Nmax=10
    #dy = float(-2)/float(Nmax)
    dy = - 2* t.leaf_scale()
    cl = startpoint
    while (n<Nmax):
        cl = cl + ocl.Point(0.0,dy,0)
        #cl = ocl.Point( clpoints[n].x, clpoints[n].y, clpoints[n].z )
        s.setPos( cl ) # move the cutter
        t_before = time.time() 
        t.diff_negative(s) # subtract cutter from stock
        t_after = time.time() 
        build_time = t_after-t_before
        #print n," diff() took ",build_time," s"
        #step_time=step_time+build_time
        if n<Nmax:
            myscreen.removeActor( mc_surf )
            #myscreen.removeActor( s_surf )
            #for c in cactors:
            #    myscreen.removeActor( c )
        
        #call_ms = 1e3*step_time/renderinterleave
        #print renderinterleave," diff() calls in", step_time, " = ", call_ms," ms/call"
        #infotext= "Octree max_depth=%i \nCL-point %i of %i \ndiff() CPU-time: %f ms/CL-point" % (max_depth,n, 
        #                                                                                          len(clpoints), call_ms )
        #octtext.SetText(infotext)
        #postext= "X: %f\nY: %f\nZ: %f" % (cl.x,cl.y,cl.z )
        #cltext.SetText(postext)
        
        #cactors = camvtk.drawBallCutter(myscreen, cutter, cl)
        #t_before = time.time() 
        #print "mc()...",
        tris = mc.mc_tree(t) #t.mc_triangles()
        #tris2 = t.side_triangles()
        #print "appending"
        #for tr in tris2:
        #    tris.append(tr)
        #mc_time = time.time()-t_before
        #print "done in ", mc_time," s"
        #print " mc() got ", len(tris), " triangles"
        #print " STLSurf()...",
        mc_surf = camvtk.STLSurf( triangleList=tris )
        mc_surf.SetWireframe()
        mc_surf.SetColor(camvtk.cyan)
        myscreen.addActor( mc_surf )
        #s_surf = camvtk.STLSurf( triangleList=tris2 )
        #s_surf.SetWireframe()
        #s_surf.SetColor(camvtk.yellow)
        #myscreen.addActor( s_surf )
        
        #print "done."
        #print " render()...",
        myscreen.render()
        #myscreen.camera.Azimuth( 0.1 )
        #lwr.SetFileName("frames/wireframe3_d8_frame"+ ('%06d' % n)+".png")
        #w2if.Modified() 
        #lwr.Write()
        
        #print "done."   
        #time.sleep(0.4)
        print(n, " mc_tris=",len(tris))
        #," side_tris=",len(tris2)
        n=n+1
        #myscreen.camera.SetPosition(3*math.cos( 7*float(n)/(float(Nmax)) ), 3*math.sin( 7*float(n)/(float(Nmax)) ), 5)
        #myscreen.camera.Azimuth( math.sin( 5*float(n)/(float(Nmax)) ) )
    print("all done.")
    myscreen.iren.Start() 
    exit()
def main(filename="frame/f.png"):  
    print ocl.revision()
          
    myscreen = camvtk.VTKScreen()   
    myscreen.camera.SetPosition(-15, -8, 15)
    myscreen.camera.SetFocalPoint(5,5, 0)   
    # axis arrows
    camvtk.drawArrows(myscreen,center=(-1,-1,0))

    
    # screenshot writer
    w2if = vtk.vtkWindowToImageFilter()
    w2if.SetInput(myscreen.renWin)
    lwr = vtk.vtkPNGWriter()
    lwr.SetInput( w2if.GetOutput() )
        

    
    c = ocl.CylCutter(2) # cutter
    c.length = 3
    print "cutter length=", c.length
    
    # generate CL-points
    stl = camvtk.STLSurf("../stl/demo.stl")
    polydata = stl.src.GetOutput()
    s = ocl.STLSurf()
    camvtk.vtkPolyData2OCLSTL(polydata, s)
    print "STL surface read,", s.size(), "triangles"
    print s.getBounds()
    #exit()
    minx=0
    dx=0.1/6
    maxx=10
    miny=0
    dy=1
    maxy=10
    z=-17
    # this generates a list of CL-points in a grid
    clpoints = pyocl.CLPointGridZigZag(minx,dx,maxx,miny,dy,maxy,z)
    print "generated grid with", len(clpoints)," CL-points"
    # batchdropcutter    
    bdc = ocl.BatchDropCutter()
    bdc.setSTL(s,1)
    bdc.setCutter(c)
    for p in clpoints:
        bdc.appendPoint(p)
    t_before = time.time()    
    print "threads=",bdc.nthreads
    bdc.dropCutter4()
    t_after = time.time()
    calctime = t_after-t_before
    print " done in ", calctime," s"
    clpoints = bdc.getCLPoints()
    
    # filter
    print "filtering. before filter we have", len(clpoints),"cl-points"
    f = ocl.LineCLFilter()
    f.setTolerance(0.001)
    for p in clpoints:
        f.addCLPoint(p)
    f.run()
    clpts = f.getCLPoints()
    print "after filtering we have", len(clpts),"cl-points"
    
    #exit()
        
    # stupid init code
    f=ocl.Ocode()
    tree_maxdepth=8
    f.set_depth(tree_maxdepth) # depth and scale set here.
    f.set_scale(10)
    
    # cube
    stockvol = ocl.BoxOCTVolume()
    stockvol.corner = ocl.Point(0,0,-0.5)
    stockvol.v1 = ocl.Point(10,0,0)
    stockvol.v2 = ocl.Point(0,10,0)
    stockvol.v3 = ocl.Point(0,0,3)
    stockvol.calcBB()
    #cube1.side=10.0
    #cube1.center = ocl.Point(0,0,0)
    #cube1.calcBB()
    
    t_before = time.time()
    stock = ocl.LinOCT()
    stock.init(3)
    stock.build( stockvol )
    calctime = time.time()-t_before
    print " stock built in ", calctime," s, stock.size()=",stock.size()
        
    # draw initial octree 
    #tlist = pyocl.octree2trilist(stock)
    #surf = camvtk.STLSurf(triangleList=tlist)
    #myscreen.addActor(surf)
    
    # draw initial cutter
    #startp = ocl.Point(0,0,0)
    #cyl = camvtk.Cylinder(center=(startp.x,startp.y,startp.z), radius=c.radius,
    #                        height=c.length,
    #                        rotXYZ=(90,0,0), color=camvtk.grey)
    #cyl.SetWireframe()
    #myscreen.addActor(cyl)
    
    timetext = camvtk.Text()
    timetext.SetPos( (myscreen.width-300, myscreen.height-30) )
    myscreen.addActor( timetext)
    
    ocltext = camvtk.Text()
    ocltext.SetPos( (myscreen.width-300, myscreen.height-60) )
    myscreen.addActor( ocltext)
    ocltext.SetText("OpenCAMLib")
    
    octtext = camvtk.Text()
    octtext.SetPos( (myscreen.width-300, myscreen.height-90) )
    myscreen.addActor( octtext)
    octtext.SetText("Octree cutting-simulation")
    
    infotext = camvtk.Text()
    infotext.SetPos( (myscreen.width-300, myscreen.height-180) )
    myscreen.addActor( infotext)
    
    
    Nmoves = len(clpts)
    print Nmoves,"CL-points to process"
    for n in xrange(0,Nmoves-1):
        timetext.SetText(datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
        
        #if n<Nmoves-1:
        print n," to ",n+1
        startp = clpts[n]  # start of move
        endp   = clpts[n+1] # end of move
        
        t_before = time.time()
        sweep = ocl.LinOCT()
        sweep.init(0)
        calctime = time.time()-t_before
        print " sweep-init done in ", calctime," s, sweep.size()=",sweep.size()
        
        g1vol = ocl.CylMoveOCTVolume(c, ocl.Point(startp.x,startp.y,startp.z), ocl.Point(endp.x,endp.y,endp.z))
        
        t_before = time.time()
        sweep.build( g1vol )
        calctime = time.time()-t_before
        print " sweep-build done in ", calctime," s, sweep.size()=",sweep.size()
        
        # draw cutter
        cyl1 = camvtk.Cylinder(center=(startp.x,startp.y,startp.z), radius=c.radius,
                            height=c.length,
                            rotXYZ=(90,0,0), color=camvtk.lgreen)
        cyl1.SetWireframe()
        #myscreen.addActor(cyl1)
        cyl2 = camvtk.Cylinder(center=(endp.x,endp.y,endp.z), radius=c.radius,
                            height=c.length,
                            rotXYZ=(90,0,0), color=camvtk.pink)
        cyl2.SetWireframe()
        #myscreen.addActor(cyl2)
        
    
        #camvtk.drawCylCutter(myscreen, c, startp)
        #camvtk.drawCylCutter(myscreen, c, endp)
        myscreen.addActor( camvtk.Line( p1=(startp.x,startp.y,startp.z), p2=(endp.x,endp.y,endp.z), color=camvtk.red))
        #camvtk.drawTree2(myscreen,sweep,color=camvtk.red,opacity=0.5)
        

            
        t_before = time.time()
        stock.diff(sweep)
        calctime = time.time()-t_before
        print " diff done in ", calctime," s, stock.size()", stock.size()
        
        info = "tree-depth:%i \nmove: %i \nstock-nodes: %i \nsweep-nodes: %i" % (tree_maxdepth, n, stock.size(), sweep.size() )
        infotext.SetText(info)
        
        
        if (n%1==0 or n==Nmoves-2): # draw only every m:th frame
            # sweep surface 
            t_before = time.time()
            #sweep_tlist = pyocl.octree2trilist(sweep)
            sweep_tlist = sweep.get_triangles()
            sweepsurf = camvtk.STLSurf(triangleList=sweep_tlist)
            sweepsurf.SetColor(camvtk.red)
            sweepsurf.SetOpacity(0.1)
            myscreen.addActor(sweepsurf)
            calctime = time.time()-t_before
            print " sweepsurf-render  ", calctime," s"
                   
            # stock surface 
            t_before = time.time()
            #tlist = pyocl.octree2trilist(stock)
            tlist = stock.get_triangles()
            stocksurf = camvtk.STLSurf(triangleList=tlist)
            stocksurf.SetColor(camvtk.cyan)
            stocksurf.SetOpacity(1.0)
            myscreen.addActor(stocksurf)
            calctime = time.time()-t_before
            print " stocksurf-render  ", calctime," s"
            
            #time.sleep(1.1)
            # write screenshot to disk
            lwr.SetFileName("frames/cutsim_frame"+ ('%03d' % n)+".png")
            #lwr.SetFileName(filename)
            
            t_before = time.time() # time the render process
            myscreen.render()
            w2if.Modified() 
            lwr.Write()
            
            calctime = time.time()-t_before
            print " render  ", calctime," s"
            
            #myscreen.render()
            #time.sleep(0.1)
            
            myscreen.removeActor(sweepsurf)
            if n != (Nmoves-2):
                myscreen.removeActor(stocksurf)
                
        

        
        #myscreen.removeActor(cyl1)
        #myscreen.removeActor(cyl2)
        #myscreen.render()
        #time.sleep(0.1)

    print " render()...",
    myscreen.render()
    print "done."
    
    
    #time.sleep(0.2)
    
    
    
    myscreen.iren.Start() 
import ocl
import pyocl
import camvtk
import time
import vtk
import datetime       


        
if __name__ == "__main__": 
    print ocl.revision()    
    myscreen = camvtk.VTKScreen()
    
    #stl = camvtk.STLSurf("../stl/gnu_tux_mod.stl")
    stl = camvtk.STLSurf("../stl/demo.stl")
    myscreen.addActor(stl)
    stl.SetWireframe()
    stl.SetColor((0.5,0.5,0.5))
    
    polydata = stl.src.GetOutput()
    s = ocl.STLSurf()
    camvtk.vtkPolyData2OCLSTL(polydata, s)
    print "STL surface read,", s.size(), "triangles"
    length=5
    cutter = ocl.BallCutter(1.4321, length)
    #cutter = ocl.CylCutter(1.123, length)
    #cutter = ocl.BullCutter(1.123, 0.2, length)
    print cutter
    
    minx=0
    dx=0.1/6
Example #9
0
    a = ocl.Point(1,0,0)
    myscreen.addActor(camvtk.Point(center=(a.x,a.y,a.z), color=(1,0,1)));
    b = ocl.Point(0,1,0)    
    myscreen.addActor(camvtk.Point(center=(b.x,b.y,b.z), color=(1,0,1)));
    c = ocl.Point(0,0,0.3)
    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(a,b,c)
    
    cutter = ocl.BullCutter(1,0.2)
    #cutter = ocl.CylCutter(0.5)
    #cutter = ocl.BallCutter(1.5)
    
    print(ocl.revision())
    print(cutter)
    
    
    
    print("rendering...",)
 
    # insert code here to actually do something...
                           
    print("done.")
    

    
    myscreen.camera.SetPosition(0.5, 3, 2)
    myscreen.camera.SetFocalPoint(0.5, 0.5, 0)
    myscreen.render()
def drawScreen(a,b,c,filename,write_flag):  
    print ocl.revision()
    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(-0.1,0.3,0.0)
    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
    zheights=[-0.3, -0.2, -0.1, -0.05, 0.0, 0.05, 0.1, 0.15, 0.2, 0.25, 0.26, 0.27, 0.28, 0.29 ]  # the z-coordinates for the waterlines
    zheights=[-0.8, -0.7, -0.6, -0.5, -0.4, -0.3, -0.2, -0.1, -0.05, 0.0, 0.05, 0.1, 0.15, 0.2,  0.28 ]
    zheights=[ -0.35, -0.3, -0.25, -0.2, -0.15, -0.1, -0.05, 0.0, 0.05, 0.1, 0.15, 0.2,  0.25, 0.28]
    
    zheights=[]
    Nmax=20
    zmin=-0.5
    zmax= -0.05
    dz = (zmax-zmin)/float(Nmax-1)
    z = zmin
    for n in xrange(Nmax):
        zheights.append(z)
        z=z+dz
        
    zheights=[]
    zheights.append(-0.25)
    #zheights=[ -0.35,  -0.25,  -0.15,  -0.05, 0.05,  0.15,   0.25]
    #zheights=[ 0.1]
    
    length = 10
    diam = 0.6
    cutter1 = ocl.CylCutter( diam , length )
    cutter2 = ocl.BallCutter( diam , length )
    cutter3 = ocl.BullCutter( diam , diam/5, length )
    cutter4 = ocl.ConeCutter( diam , math.pi/5, length )
    
    for zh in zheights:
        #loops = calcWaterline(zh, cutter1, s)
        #drawLoops(myscreen, loops[0], camvtk.yellow)
        
        #loops = calcWaterline(zh, cutter2, s)
        #drawLoops(myscreen, loops[0], camvtk.green)
        #loops = calcWaterline(zh, cutter3, s)
        #drawLoops(myscreen, loops[0], camvtk.yellow)
        
        loops = calcWaterline(zh, cutter4, s)
        drawLoops(myscreen, loops[0], camvtk.pink)
        
        #for f in loops[1]:
        #    drawFiber(myscreen, f, camvtk.red)
        #for f in loops[2]:
        #    drawFiber(myscreen, f, camvtk.lblue)
        
        
        

    print "done."
    myscreen.camera.SetPosition(1, -1, 3)
    myscreen.camera.SetFocalPoint(0.5, 0.5, 0)
    camvtk.drawArrows(myscreen,center=(-0.5,-0.5,-0.5))
    camvtk.drawOCLtext(myscreen)
    myscreen.render()    
    
    w2if = vtk.vtkWindowToImageFilter()
    w2if.SetInput(myscreen.renWin)
    lwr = vtk.vtkPNGWriter()
    lwr.SetInput( w2if.GetOutput() )
    w2if.Modified()
    lwr.SetFileName(filename)
    if write_flag:
        lwr.Write()
        print "wrote ",filename
    
    time.sleep(1)
def main():  
    print ocl.revision()
    myscreen = camvtk.VTKScreen()   
    myscreen.camera.SetPosition(-15, -8, 15)
    myscreen.camera.SetFocalPoint(0,0, 0)   
    # axis arrows
    camvtk.drawArrows(myscreen,center=(0,0,0))

    s = ocl.SphereOCTVolume()
    s.center = ocl.Point(0,0,0)
    s.radius = 2.6345
    
    sphere = camvtk.Sphere( center=(s.center.x,s.center.y,s.center.z), radius=s.radius, color=camvtk.cyan)
    sphere.SetOpacity(0.1)
    myscreen.addActor( sphere );
    
    
    # screenshot writer
    w2if = vtk.vtkWindowToImageFilter()
    w2if.SetInput(myscreen.renWin)
    lwr = vtk.vtkPNGWriter()
    lwr.SetInput( w2if.GetOutput() )
    
    # text
    camvtk.drawOCLtext(myscreen)
    octtext = camvtk.Text()
    octtext.SetPos( (myscreen.width-400, myscreen.height-290) )
    myscreen.addActor( octtext)

    
    
    cp= ocl.Point(0,0,0)
    #depths = [3, 4, 5, 6, 7, 8]
    depths = [4, 5 ]
    root_scale = 3
    n = 0 # the frame number
    for max_depth in depths:
        t = ocl.Octree(root_scale, max_depth, cp)
        t.init(1)
        print "build...",
        t_before = time.time() 
        t.diff_positive(s)    
        t_after = time.time() 
        build_time = t_after-t_before
        print "done."
        tris = t.mc_triangles()
        infotext= "Octree + Marching-Cubes test\nmax octree-depth:%i \ntriangles: %i \nbuild() time: %f ms" % (max_depth, 
                                                          len(tris), build_time*1e3 )
        octtext.SetText(infotext)
        
        mc_surf = camvtk.STLSurf( triangleList=tris, color=camvtk.red )
        #
        myscreen.addActor( mc_surf )
        print " render()...",
        myscreen.render()
        print "done."
        for m in xrange(0,180):
            # do a rotating animation
            lwr.SetFileName("frames/mc8_frame"+ ('%06d' % n)+".png")
            myscreen.camera.Azimuth( 2 )
            myscreen.render()
            w2if.Modified() 
            #lwr.Write()
            
            if m > 90:
                mc_surf.SetWireframe()
            time.sleep(0.02)
            
            n=n+1
        myscreen.removeActor( mc_surf )
        
    myscreen.iren.Start() 
def main(filename="frame/f.png"):  
    print ocl.revision()
          
    myscreen = camvtk.VTKScreen()   
    myscreen.camera.SetPosition(-15, -8, 15)
    myscreen.camera.SetFocalPoint(5,5, 0)   
    # axis arrows
    camvtk.drawArrows(myscreen,center=(0,0,0))

    
    # screenshot writer
    w2if = vtk.vtkWindowToImageFilter()
    w2if.SetInput(myscreen.renWin)
    lwr = vtk.vtkPNGWriter()
    lwr.SetInput( w2if.GetOutput() )
        

    
    c = ocl.CylCutter(3,10) # cutter
    c.length = 3
    print "cutter length=", c.length
    
    cp= ocl.Point(0,0,0)
    max_depth = 9
    root_scale = 3
    t = ocl.Octree(root_scale, max_depth, cp)
    print t
    
    nodes = t.get_leaf_nodes()
    t.init(1)
    #nodes=[]
    s = ocl.SphereOCTVolume()
    s.center = ocl.Point(0,0,0)
    s.radius = 2.6345
    print "build...",
    t.build(s)
    print "done."
    print t
    
    sphere = camvtk.Sphere( center=(s.center.x,s.center.y,s.center.z), radius=s.radius, color=camvtk.cyan)
    sphere.SetOpacity(0.1)
    myscreen.addActor( sphere );
    
    
    nodes = t.get_surface_nodes()
    print "got ", len(nodes)," surface nodes"
   
    points=[]
    for n in nodes:
        #n=nodes[0]
        verts = n.vertices()
        #c = n.center
        #print " node at depth=", n.depth," center=",c
        #myscreen.addActor( camvtk.Sphere( center=(c.x,c.y,c.z), radius=0.1, color=camvtk.yellow ))
        for v in verts:
            #print v
            #myscreen.addActor( camvtk.Sphere( center=(v.x,v.y,v.z), radius=0.1 ))
            #
            points.append(v)
            
    #myscreen.addActor( camvtk.PointCloud( pointlist= points))
    
    tris = t.mc_triangles()
    mc_surf = camvtk.STLSurf( triangleList=tris, color=camvtk.red )
    #mc_surf.SetWireframe()
    myscreen.addActor( mc_surf )
    print " render()...",
    myscreen.render()
    print "done."
    
    
    #time.sleep(0.2)
    
    
    
    myscreen.iren.Start() 
Example #13
0
import datetime
import math


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.revision()
    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)) )

    # a second triangle
    offset = ocl.Point(0.51, 0.51, 0)
    a2 = a + offset
    b2 = b + offset
def drawScreen(a,b,c,filename,write_flag):  
    print ocl.revision()
    myscreen = camvtk.VTKScreen()
    z_hi = a.z
    if b.z > z_hi:
        z_hi = b.z
    if c.z > z_hi:
        z_hi = c.z

    z_lo = a.z
    if b.z < z_lo:
        z_lo = b.z
    if c.z < z_lo:
        z_lo = c.z
    #z_hi = 0.3 # this is the shallow case
    #ztri = 0.8 # this produces the steep case where we hit the circular rim
    
    #z_lo = 0.1
    #a = ocl.Point(0,1,ztri)
    #b = ocl.Point(1,0.5,ztri)    
    #c = ocl.Point(0.2,0.2,ztri_lo)
    
    myscreen.addActor(camvtk.Point(center=(a.x,a.y,a.z), color=(1,0,1)))
    myscreen.addActor(camvtk.Point(center=(b.x,b.y,b.z), color=(1,0,1)))
    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)
    angle = math.pi/5
    diameter=0.3
    length=5
    #cutter = ocl.BallCutter(diameter, length)
    #cutter = ocl.CylCutter(diameter, length)
    #cutter = ocl.BullCutter(diameter, diameter/4, length)
    cutter = ocl.ConeCutter(diameter, angle, length)
    #cutter = cutter.offsetCutter( 0.1 )
    
    print "cutter= ", cutter
    print "length=", cutter.getLength()
    print "fiber..."
    range=2
    Nmax = 100
    yvals = [float(n-float(Nmax)/2)/Nmax*range for n in xrange(0,Nmax+1)]
    xvals = [float(n-float(Nmax)/2)/Nmax*range for n in xrange(0,Nmax+1)]
    zmin = z_lo - 0.3
    zmax = z_hi
    zNmax = 20
    dz = (zmax-zmin)/(zNmax-1)
    zvals=[]
    for n in xrange(0,zNmax):
        zvals.append(zmin+n*dz)
    for zh in zvals:
        yfiber(cutter,yvals,t,zh,myscreen)
        xfiber(cutter,xvals,t,zh,myscreen)
    print "done."
    myscreen.camera.SetPosition(-2, -1, 3)
    myscreen.camera.SetFocalPoint(1.0, 0.0, -0.5)
    camvtk.drawArrows(myscreen,center=(-0.5,-0.5,-0.5))
    camvtk.drawOCLtext(myscreen)
    myscreen.render()    
    w2if = vtk.vtkWindowToImageFilter()
    w2if.SetInput(myscreen.renWin)
    lwr = vtk.vtkPNGWriter()
    lwr.SetInput( w2if.GetOutput() )
    w2if.Modified()
    lwr.SetFileName(filename)
    if write_flag:
        lwr.Write()
        print "wrote ",filename
Example #15
0
def main(filename="frame/f.png"):  
    print ocl.revision()
          
    myscreen = camvtk.VTKScreen()   
    myscreen.camera.SetPosition(20, 12, 20)
    myscreen.camera.SetFocalPoint(0,0, 0)   
    # axis arrows
    camvtk.drawArrows(myscreen,center=(2,2,2))

    
    # screenshot writer
    w2if = vtk.vtkWindowToImageFilter()
    w2if.SetInput(myscreen.renWin)
    lwr = vtk.vtkPNGWriter()
    lwr.SetInput( w2if.GetOutput() )
        

    
    c = ocl.CylCutter(1) # cutter
    c.length = 3
    print "cutter length=", c.length
    p1 = ocl.CLPoint(-0.2,-0.2,0.2) # start of move
    p2 = ocl.CLPoint(-0.2,0.2,0.0) # end of move
    p3 = ocl.CLPoint(0.5,0.0,-0.5)
    clpoints=[]
    clpoints.append(p1)
    clpoints.append(p2)
    clpoints.append(p3)
    
    f=ocl.Ocode()
    f.set_depth(6) # depth and scale set here.
    f.set_scale(1)
    
    # cube
    cube1 = ocl.CubeOCTVolume()
    cube1.side=2.123
    cube1.center = ocl.Point(0,0,0)
    cube1.calcBB()
    
    stock = ocl.LinOCT()
    stock.init(3)
    stock.build( cube1 )
    
    # draw initial octree 
    tlist = pyocl.octree2trilist(stock)
    surf = camvtk.STLSurf(triangleList=tlist)
    myscreen.addActor(surf)
    
    Nmoves = len(clpoints)
    print Nmoves,"CL-points to process"
    for n in xrange(0,Nmoves-1):
        #if n<Nmoves-1:
        print n," to ",n+1
        startp = clpoints[n]
        endp   = clpoints[n+1]
        sweep = ocl.LinOCT()
        sweep.init(3)
        g1vol = ocl.CylMoveOCTVolume(c, ocl.Point(startp.x,startp.y,startp.z), ocl.Point(endp.x,endp.y,endp.z))
        camvtk.drawCylCutter(myscreen, c, startp)
        camvtk.drawCylCutter(myscreen, c, endp)
        myscreen.addActor( camvtk.Line( p1=(startp.x,startp.y,startp.z), p2=(endp.x,endp.y,endp.z), color=camvtk.red))
        sweep.build( g1vol )
        stock.diff(sweep)
        myscreen.removeActor(surf)
        tlist = pyocl.octree2trilist(stock)
        surf = camvtk.STLSurf(triangleList=tlist)
        surf.SetColor(camvtk.cyan)
        surf.SetOpacity(1.0)
        myscreen.addActor(surf)
        myscreen.render()
        time.sleep(0.2)
            
    #exit()
    
    # draw trees
    #print "drawing trees"
    #camvtk.drawTree2(myscreen,  stock, opacity=1,   color=camvtk.cyan)        

    # box around octree 
    oct_cube = camvtk.Cube(center=(0,0,0), length=4*f.get_scale(), color=camvtk.white)
    oct_cube.SetWireframe()
    myscreen.addActor(oct_cube)
    
    # OCL text
    title = camvtk.Text()
    title.SetPos( (myscreen.width-350, myscreen.height-30) )
    title.SetText("OpenCAMLib " + datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
    myscreen.addActor(title)
        
    print " render()...",
    myscreen.render()
    print "done."
    
    lwr.SetFileName(filename)
    time.sleep(0.2)
    #lwr.Write()
    
    
    myscreen.iren.Start() 
def main(filename="frame/f.png",yc=6, n=0):  
    print(ocl.revision())
          
    f=ocl.Ocode()
    f.set_depth(7) # depth and scale set here.
    f.set_scale(1)
    
    myscreen = camvtk.VTKScreen()   
    myscreen.camera.SetPosition(50, 22, 40)
    myscreen.camera.SetFocalPoint(0,0, 0)   
    myscreen.camera.Azimuth( n*0.5 )
    
    # box around octree 
    oct_cube = camvtk.Cube(center=(0,0,0), length=4*f.get_scale(), color=camvtk.white)
    oct_cube.SetWireframe()
    myscreen.addActor(oct_cube)
    
    # screenshot writer
    w2if = vtk.vtkWindowToImageFilter()
    w2if.SetInput(myscreen.renWin)
    lwr = vtk.vtkPNGWriter()
    lwr.SetInput( w2if.GetOutput() )
    
    # X Y Z arrows
    arrowcenter=(1,2,0)
    xar = camvtk.Arrow(color=camvtk.red, center=arrowcenter, rotXYZ=(0,0,0))
    myscreen.addActor(xar)
    yar = camvtk.Arrow(color=camvtk.green, center=arrowcenter, rotXYZ=(0,0,90))
    myscreen.addActor(yar)
    zar = camvtk.Arrow(color=camvtk.blue, center=arrowcenter, rotXYZ=(0,-90,0))
    myscreen.addActor(zar) 
    
    
    t = ocl.LinOCT()
    t2 = ocl.LinOCT()
    t.init(5)
    t2.init(4)
        
    print(" after init() t :", t.str())
    print(" after init() t2 :", t2.str())
    
    c = ocl.CylCutter(1) # cutter
    c.length = 3
    print("cutter length=", c.length)
    p1 = ocl.Point(-0.2,-0.2,0.2) # start of move
    p2 = ocl.Point(1.5,1.5,-1) # end of move
    
    # volume of g1 move 
    g1vol = ocl.CylMoveOCTVolume(c, p1, p2)
    
    
    # sphere
    svol = ocl.SphereOCTVolume()
    svol.radius=1
    svol.center = ocl.Point(0,0,1)
    svol.calcBB()

    # cube
    cube1 = ocl.CubeOCTVolume()
    cube1.side=2.123
    cube1.center = ocl.Point(0,0,0)
    cube1.calcBB()
    
    #cylinder volume at start of move
    cylvol = ocl.CylinderOCTVolume()
    cylvol.p1 = ocl.Point(p1)
    cylvol.p2 = ocl.Point(p1)+ocl.Point(0,0,c.length)
    cylvol.radius= c.radius
    cylvol.calcBB()
    
    # draw exact cylinder
    cp = 0.5*(cylvol.p1 + cylvol.p2)
    height = (cylvol.p2-cylvol.p1).norm()
    cylvolactor = camvtk.Cylinder(center=(cp.x, cp.y, cp.z-float(height)/2), radius = cylvol.radius, height=height, rotXYZ=(90,0,0))
    cylvolactor.SetWireframe()
    myscreen.addActor(cylvolactor)

    # cylinder at start of move
    #drawCylCutter(myscreen, c, p1)
    # cylinder at end of move
    drawCylCutter(myscreen, c, p2)
    
    # green ball at start of move
    startp = camvtk.Sphere(center=(p1.x,p1.y,p1.z), radius=0.1, color=camvtk.green)
    myscreen.addActor(startp)
    # red ball at end of move
    endp = camvtk.Sphere(center=(p2.x,p2.y,p2.z), radius=0.1, color=camvtk.red)
    myscreen.addActor(endp)
    
    
    
    
    # build g1 tree
    t_before = time.time()
    t.build( g1vol )
    t_after = time.time()
    print("g1 build took ", t_after-t_before," s")
    
    # build cube
    t_before = time.time()
    t2.build( cube1 )
    t_after = time.time()
    print("cube build took ", t_after-t_before," s")
    
    #t.sort()
    #t2.sort()
    
    print("calling diff()...",)
    t_before = time.time()
    #dt = t2.operation(1,t)
    t2.diff(t)
    t_after = time.time()
    print("done.")
    print("diff took ", t_after-t_before," s")
    
    print("diff has ", t2.size()," nodes")
    
    # original trees
    print("drawing trees")
    drawTree2(myscreen,t,opacity=1, color=camvtk.green)
    drawTree2(myscreen,t2,opacity=0.2, color=camvtk.cyan)
    drawTree2(myscreen,t2,opacity=1, color=camvtk.cyan, offset=(5,0,0))
        
    # elliptical tube
    pmax = p1 + 1.5* (p2-p1)
    pmin = p1 - 0.5* (p2-p1)
    myscreen.addActor( camvtk.Sphere(center=(pmax.x,pmax.y,pmax.z), radius=0.1, color=camvtk.lgreen) )
    myscreen.addActor( camvtk.Sphere(center=(pmin.x,pmin.y,pmin.z), radius=0.1, color=camvtk.pink) )
    aaxis = pmin + ocl.Point(-0.353553, 0.353553, 0)
    baxis = pmin + ocl.Point(0.0243494, 0.0243494, 0.126617)
    myscreen.addActor( camvtk.Sphere(center=(aaxis.x,aaxis.y,aaxis.z), radius=0.1, color=camvtk.orange) )
    myscreen.addActor( camvtk.Sphere(center=(baxis.x,baxis.y,baxis.z), radius=0.1, color=camvtk.yellow) )
   
    title = camvtk.Text()
    title.SetPos( (myscreen.width-350, myscreen.height-30) )
    title.SetText("OpenCAMLib " + datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
    myscreen.addActor(title)
        
    print(" render()...",)
    myscreen.render()
    print("done.")
    lwr.SetFileName(filename)
    time.sleep(0.2)
    #lwr.Write()
    
    
    myscreen.iren.Start() 
Example #17
0
def main():  
    print ocl.revision()
    myscreen = camvtk.VTKScreen()   
    myscreen.camera.SetPosition(2, 2, 5)
    myscreen.camera.SetFocalPoint(0.5,0, 1)   
    camvtk.drawArrows(myscreen,center=(-2,-2,0)) # axis arrows
    camvtk.drawOCLtext(myscreen)
    
    #s = ocl.BallCutterVolume()
    #s = ocl.CylCutterVolume()
    s = ocl.BullCutterVolume()
    s.r1=0.3
    s.r2=0.1
    s.radius = 0.4
    s.length = 2
    startpoint = ocl.Point(0.46,0.2,0.4)
    s.setPos( startpoint )
    cp= ocl.Point(0,0,0) # center of octree
    max_depth = 6
    root_scale = 1
    t = ocl.Octree(root_scale, max_depth, cp)
    t.init(2)
    n = 0 # the frame number
    print "root_scale = ", t.root_scale()
    print " max_depth = ", t.max_depth()
    print " leaf_scale=", t.leaf_scale()

    print "mc()...",
    mc = ocl.MarchingCubes()
    tris = mc.mc_tree(t) 

    mc_surf = camvtk.STLSurf( triangleList=tris )
    mc_surf.SetColor(camvtk.cyan)

    print " STLSurf()...",
    myscreen.addActor( mc_surf )

    print "done."
    myscreen.render()
    myscreen.removeActor( mc_surf )

    Nmax=20
    dy = - 1* t.leaf_scale()
    cl = startpoint
    renderinterleave=1
    while (n<Nmax):
        
        cl = cl + ocl.Point(0.0,dy,0)
        s.setPos( cl ) # move the cutter
        t_before = time.time() 
        t.diff_negative(s) # subtract cutter from stock
        t_after = time.time() 
        diff_time = t_after-t_before
        if n<Nmax:
            myscreen.removeActor( mc_surf ) # leave the surface on the very last iteration
            
        # marching cubes
        t_before = time.time() 
        tris = mc.mc_tree(t) 
        t_after = time.time()
        mc_time = t_after-t_before
        
        # render
        t_before = time.time()
        mc_surf = camvtk.STLSurf( triangleList=tris )
        mc_surf.SetColor(camvtk.cyan)
        myscreen.addActor( mc_surf )
        myscreen.render()
        
        t_after = time.time()
        render_time = t_after-t_before
        print "%i: mc_tris=%i\t diff=%1.3f \t mc=%1.3f \t ren=%1.3f" % (n, len(tris), diff_time, mc_time, render_time)
        n=n+1

    print "all done."
    myscreen.iren.Start() 
    exit()
Example #18
0
def main():  
    print(ocl.revision())
    myscreen = camvtk.VTKScreen()   
    myscreen.camera.SetPosition(-8, -4, 25)
    myscreen.camera.SetFocalPoint(4.5,6, 0)   
    # axis arrows
    camvtk.drawArrows(myscreen,center=(-1,-1,0))
    camvtk.drawOCLtext(myscreen)
    
    octtext = camvtk.Text()
    octtext.SetPos( (70, myscreen.height-600) )
    myscreen.addActor( octtext)
    
    cltext = camvtk.Text()
    cltext.SetPos( (70, myscreen.height-100) )
    myscreen.addActor( cltext)
    
    
    stl = camvtk.STLSurf("../../stl/gnu_tux_mod.stl")
    #myscreen.addActor(stl)
    #stl.SetWireframe()
    stl.SetColor((0.5,0.5,0.5))
    
    polydata = stl.src.GetOutput()
    s = ocl.STLSurf()
    camvtk.vtkPolyData2OCLSTL(polydata, s)
    print("STL surface read,", s.size(), "triangles")
    
    #angle = math.pi/4
    radius  = 0.4
    length=10
    cutter = ocl.BallCutter(2*radius, length)
    #cutter = ocl.CylCutter(2*radius, length)
    
    # generate CL-points
    minx=0
    dx=0.1/0.2
    maxx=9
    miny=0
    dy=cutter.getRadius()/1.5
    maxy=12
    z=-1
    # this generates a list of CL-points in a grid
    clpoints = pyocl.CLPointGrid(minx,dx,maxx,miny,dy,maxy,z)
    # batchdropcutter    
    bdc = ocl.BatchDropCutter()
    bdc.bucketSize = 10
    bdc.setSTL(s)
    bdc.setCutter(cutter)
    #bdc.setThreads(1)  # explicitly setting one thread is better for debugging
    for p in clpoints:
        bdc.appendPoint(p)
    
    t_before = time.time()    
    bdc.run()
    
    t_after = time.time()
    calctime = t_after-t_before
    print(" BDC4 done in ", calctime," s")
    dropcutter_time = calctime
    clpoints = bdc.getCLPoints()
    
    #camvtk.drawCLPointCloud(myscreen, clpoints)
    print(" clpts= ", len(clpoints))
    myscreen.render()
    #myscreen.iren.Start() 
    #exit()
    
    s = ocl.BallCutterVolume()
    #s = ocl.CylCutterVolume()
    #s.center = ocl.Point(-2.50,-0.6,0)
    s.radius = cutter.getRadius()
    s.length = cutter.getLength()

    # screenshot writer
    w2if = vtk.vtkWindowToImageFilter()
    w2if.SetInput(myscreen.renWin)
    lwr = vtk.vtkPNGWriter()
    lwr.SetInput( w2if.GetOutput() )
    
    cp= ocl.Point(5,5,-6) # center of octree
    #depths = [3, 4, 5, 6, 7, 8]
    max_depth = 7
    root_scale = 10
    t = ocl.Octree(root_scale, max_depth, cp)
    t.init(5)
    n = 0 # the frame number
    
    stockbox = ocl.PlaneVolume( 1, 0, 0.1)
    t.diff_negative(stockbox)
    stockbox = ocl.PlaneVolume( 0, 0, 8.9  )
    t.diff_negative(stockbox)
    
    stockbox = ocl.PlaneVolume( 1, 1, 0.1)
    t.diff_negative(stockbox)
    stockbox = ocl.PlaneVolume( 0, 1, 11.9  )
    t.diff_negative(stockbox)
    
    stockbox = ocl.PlaneVolume( 1, 2, -0.5  )
    t.diff_negative(stockbox)
    stockbox = ocl.PlaneVolume( 0, 2, 3)
    t.diff_negative(stockbox)
    
    mc = ocl.MarchingCubes()
    
    print("stock mc()...",)
    tris = mc.mc_tree(t) # t.mc_triangles()
    print(" mc() got ", len(tris), " triangles")
    mc_surf = camvtk.STLSurf( triangleList=tris, color=camvtk.red )
    mc_surf.SetColor(camvtk.cyan)
    print("stock STLSurf()...",)
    myscreen.addActor( mc_surf )
    print("done.")
            
    myscreen.render()
    #myscreen.iren.Start() 
    #exit()
    myscreen.removeActor( mc_surf )
    renderinterleave=10
    step_time = 0
    while (n<len(clpoints)):
        cl = ocl.Point( clpoints[n].x, clpoints[n].y, clpoints[n].z )
        s.setPos( cl )
        #myscreen.addActor( camvtk.Point( center=(cl.x,cl.y,cl.z), color=camvtk.yellow))
        print(n,": diff...",)
        t_before = time.time() 
        t.diff_negative(s)
        t_after = time.time() 
        build_time = t_after-t_before
        #print "done in ", build_time," s"
        step_time=step_time+build_time
        n=n+1
        if ( (n%renderinterleave)==0):
            infotext= "Octree max_depth=%i \nCL-point %i of %i \ndiff()-time: %f ms/CL-point" % (max_depth,n, 
                                                                                                      len(clpoints), 1e3*step_time/renderinterleave )
            octtext.SetText(infotext)
            postext= "X: %f\nY: %f\nZ: %f" % (cl.x,cl.y,cl.z )
            cltext.SetText(postext)
            
            cactors = camvtk.drawBallCutter(myscreen, cutter, cl)
            print(cactors)
            t_before = time.time() 
            print("mc()...",)
            tris = mc.mc_tree(t) #.mc_triangles()
            t_after = time.time() 
            mc_time = t_after-t_before
            print("done in ", mc_time," s")
            print(" mc() got ", len(tris), " triangles")
            mc_surf = camvtk.STLSurf( triangleList=tris, color=camvtk.red )
            #mc_surf.SetWireframe()
            mc_surf.SetColor(camvtk.cyan)
            print(" STLSurf()...",)
            myscreen.addActor( mc_surf )
            print("done.")

            print(" render()...",)
            myscreen.render()
            myscreen.camera.Azimuth( 0.5 )
            lwr.SetFileName("frames/cutsim_d9_frame"+ ('%06d' % n)+".png")
            w2if.Modified() 
            lwr.Write()
            
            print("done.")
            myscreen.removeActor( mc_surf )
            for c in cactors:
                myscreen.removeActor( c )
            step_time = 0
        
        
        
        #lwr.SetFileName("frames/mc8_frame"+ ('%06d' % n)+".png")
        #myscreen.camera.Azimuth( 2 )
        #myscreen.render()
        #w2if.Modified() 
        #lwr.Write()
            
        #mc_surf.SetWireframe()
        #print "sleep...",
        #time.sleep(1.02)
        #print "done."
                
        

        # move forward
        #theta = n*dtheta
        #sp1 = ocl.Point(s.center)
        #s.center =  ocl.Point( 1.7*math.cos(theta),1.3*math.sin(theta),thetalift*theta)  
        #sp2 = ocl.Point(s.center)
        #print "line from ",sp1," to ",sp2
        #if n is not nmax:
        #    myscreen.addActor( camvtk.Line( p1=(sp1.x,sp1.y,sp1.z),p2=(sp2.x,sp2.y,sp2.z), color=camvtk.red ) )
        #print "center moved to", s.center
    
    print(" clpts= ", len(clpoints))
    print("All done.")
    myscreen.iren.Start() 
def main():  
    print ocl.revision()
    myscreen = camvtk.VTKScreen()   
    myscreen.camera.SetPosition(-8, -4, 25)
    myscreen.camera.SetFocalPoint(4.5,6, 0)   
    # axis arrows
    camvtk.drawArrows(myscreen,center=(-1,-1,0))
    camvtk.drawOCLtext(myscreen)
    
    octtext = camvtk.Text()
    octtext.SetPos( (70, myscreen.height-600) )
    myscreen.addActor( octtext)
    
    cltext = camvtk.Text()
    cltext.SetPos( (70, myscreen.height-100) )
    myscreen.addActor( cltext)
    
    
    stl = camvtk.STLSurf("../../stl/gnu_tux_mod.stl")
    #myscreen.addActor(stl)
    #stl.SetWireframe()
    stl.SetColor((0.5,0.5,0.5))
    
    polydata = stl.src.GetOutput()
    s = ocl.STLSurf()
    camvtk.vtkPolyData2OCLSTL(polydata, s)
    print "STL surface read,", s.size(), "triangles"
    
    #angle = math.pi/4
    radius  = 0.4
    length=5
    cutter = ocl.BallCutter(2*radius, length)
    #cutter = ocl.CylCutter(2*radius, length)
    
    
    
    # generate CL-points
    minx=0
    dx=0.1/0.4
    maxx=9
    miny=0
    dy=cutter.getRadius()/1.5
    maxy=12
    z=-1
    # this generates a list of CL-points in a grid
    clpoints = pyocl.CLPointGrid(minx,dx,maxx,miny,dy,maxy,z)
    # batchdropcutter    
    bdc = ocl.BatchDropCutter()
    bdc.bucketSize = 7
    bdc.setSTL(s)
    bdc.setCutter(cutter)
    #bdc.setThreads(1)  # explicitly setting one thread is better for debugging
    for p in clpoints:
        bdc.appendPoint(p)
    
    t_before = time.time()    
    bdc.run()
    t_after = time.time()
    calctime = t_after-t_before
    print " BDC4 done in ", calctime," s"
    dropcutter_time = calctime
    clpoints = bdc.getCLPoints()
    
    #camvtk.drawCLPointCloud(myscreen, clpoints)
    print " clpts= ", len(clpoints)
    myscreen.render()
    #myscreen.iren.Start() 
    #exit()
    
    s = ocl.BallCutterVolume()
    #s = ocl.CylCutterVolume()
    #s.center = ocl.Point(-2.50,-0.6,0)
    s.radius = cutter.getRadius()
    s.length = cutter.getLength()

    # screenshot writer
    w2if = vtk.vtkWindowToImageFilter()
    w2if.SetInput(myscreen.renWin)
    lwr = vtk.vtkPNGWriter()
    lwr.SetInput( w2if.GetOutput() )
    
    cp= ocl.Point(5,5,-3) # center of octree
    #depths = [3, 4, 5, 6, 7, 8]
    max_depth = 7
    root_scale = 7
    t = ocl.Octree(root_scale, max_depth, cp)
    t.init(5)
    n = 0 # the frame number
    
    stockbox = ocl.PlaneVolume( 1, 0, 0.1)
    t.diff_negative(stockbox)
    stockbox = ocl.PlaneVolume( 0, 0, 8.9  )
    t.diff_negative(stockbox)
    
    stockbox = ocl.PlaneVolume( 1, 1, 0.1)
    t.diff_negative(stockbox)
    stockbox = ocl.PlaneVolume( 0, 1, 11.9  )
    t.diff_negative(stockbox)
    
    stockbox = ocl.PlaneVolume( 1, 2, -0.5  )
    t.diff_negative(stockbox)
    stockbox = ocl.PlaneVolume( 0, 2, 3)
    t.diff_negative(stockbox)
    
    mc = ocl.MarchingCubes()
    
    print "mc()...",
    tris = mc.mc_tree(t) #.mc_triangles()
    print " mc() got ", len(tris), " triangles"
    mc_surf = camvtk.STLSurf( triangleList=tris, color=camvtk.red )
    mc_surf.SetColor(camvtk.cyan)
    print " STLSurf()...",
    myscreen.addActor( mc_surf )
    print "done."
    cl = ocl.Point(0,0,5)
    cactors = camvtk.drawBallCutter(myscreen, cutter, cl)
    myscreen.render()
    #myscreen.iren.Start() 
    #exit()
    myscreen.removeActor( mc_surf )
    renderinterleave=len(clpoints)/100
    step_time = 0
    #render_time = 0
    while (n<len(clpoints)):
        cl = ocl.Point( clpoints[n].x, clpoints[n].y, clpoints[n].z )
        s.setPos( cl ) # move the cutter
        t_before = time.time() 
        t.diff_negative(s) # subtract cutter from stock
        t_after = time.time() 
        build_time = t_after-t_before
        step_time=step_time+build_time
        
        n=n+1
        if n<(len(clpoints)-renderinterleave):
            myscreen.removeActor( mc_surf )
            for c in cactors:
                myscreen.removeActor( c )
        if ( (n%renderinterleave)==0):

            
            cactors = camvtk.drawBallCutter(myscreen, cutter, cl)
            t_before = time.time() 
            print "mc()...",
            tris = mc.mc_tree(t) #.mc_triangles()
            mc_time = time.time()-t_before
            print "done in ", mc_time," s"
            print " mc() got ", len(tris), " triangles"
            print " STLSurf()...",
            
            
            t_before = time.time() 
            mc_surf = camvtk.STLSurf( triangleList=tris, color=camvtk.red )
            #mc_surf.SetWireframe()
            mc_surf.SetColor(camvtk.cyan)
            myscreen.addActor( mc_surf )
            print "done."
            print " render()...",
            myscreen.render()
            render_time = time.time()-t_before
            myscreen.camera.Azimuth( 0.1 )
            lwr.SetFileName("frames/cutsim_d10_frame"+ ('%06d' % n)+".png")
            w2if.Modified() 
            
            call_ms = step_time/renderinterleave
            print renderinterleave," diff() calls in", step_time, " = ", call_ms," ms/call"
            infotext= "Octree max_depth=%i \nCL-point %i of %i \n%i CL-pts/frame\ndiff()-time:  %1.3f s/CL-point\nmc()-time:  %1.3f s/frame\nrender()-time:  %1.3f s/frame\n%i Triangles" % (max_depth,n, 
                                                                                                      len(clpoints), renderinterleave, call_ms, mc_time, render_time, len(tris))
            octtext.SetText(infotext)
            postext= "X: %f\nY: %f\nZ: %f" % (cl.x,cl.y,cl.z )
            cltext.SetText(postext)
            
            #lwr.Write() # uncomment to actually write files to disk
            
            print "done."

            step_time = 0
        
        #lwr.SetFileName("frames/mc8_frame"+ ('%06d' % n)+".png")
        #myscreen.camera.Azimuth( 2 )
        #myscreen.render()
        #w2if.Modified() 
        #lwr.Write()
            
        #mc_surf.SetWireframe()
        #print "sleep...",
        #time.sleep(1.02)
        #print "done."

    
    print " clpts= ", len(clpoints)
    print "All done."
    myscreen.iren.Start()