Exemple #1
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()
    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
    maxx = 10
    miny = 0
    dy = 1
    maxy = 10
    z = -17
    # this generates a list of CL-points in a grid
    clpoints = pyocl.CLPointGrid(minx, dx, maxx, miny, dy, maxy, z)
    print "generated grid with", len(clpoints), " CL-points"

    # batchdropcutter
    bdc1 = ocl.BatchDropCutter()
    bdc1.setSTL(s)
    bdc1.setCutter(cutter)
    for p in clpoints:
        bdc1.appendPoint(p)

    t_before = time.time()
    print "threads=", bdc1.getThreads()
    bdc1.run()
    t_after = time.time()
    calctime = t_after - t_before
    print " done in ", calctime, " s"
Exemple #3
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 = 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()