def splitPerfTest():
"make a long wire of lots of edges"
"""
performance of the wire split routine is surprisingly bad!
"""
WIDTH=0.1
edges = [];
#trick here. after building a wire, the edges change identity.
#evidently, BRepBuilder_MakeWire makes copies of the underliying edges.
h = hexagonlib.Hexagon(2.0,0 );
wirelist = h.makeHexForBoundingBox((0,0,0), (100,100,0));
w = wirelist[0];
ee = Wrappers.Wire(w).edgesAsList();
TestDisplay.display.showShape(w);
#compute two intersections
e1 = Wrappers.Edge(ee[5]);
e2 = Wrappers.Edge(ee[55]);
e1p = (e1.lastParameter - e1.firstParameter )/ 2;
e2p = (e2.lastParameter - e2.firstParameter )/ 2;
p1 = PointOnAnEdge(e1.edge,e1p ,e1.pointAtParameter(e1p));
p2 = PointOnAnEdge(e2.edge,e2p ,e2.pointAtParameter(e2p));
TestDisplay.display.showShape( Wrappers.make_vertex(p1.point));
TestDisplay.display.showShape( Wrappers.make_vertex(p2.point));
#cProfile.runctx('for i in range(1,20): ee=splitWire(w,[p2,p1])', globals(), locals(), filename="slicer.prof")
#p = pstats.Stats('slicer.prof')
#p.sort_stats('cum')
#p.print_stats(.98);
t = Wrappers.Timer();
ee = [];
for i in range(1,1000):
ee = splitWire(w,[p2,p1]);
assert len(ee) == 1;
print "Elapsed for 1000splits:",t.finishedString();
def splitPerfTest():
"make a long wire of lots of edges"
"""
performance of the wire split routine is surprisingly bad!
"""
WIDTH=0.1
edges = [];
for i in range(1,50):
e = Wrappers.edgeFromTwoPoints(gp.gp_Pnt(i*WIDTH,0,0),gp.gp_Pnt((i+1)*WIDTH,0,0))
TestDisplay.display.showShape(e);
edges.append(e);
#trick here. after building a wire, the edges change identity.
#evidently, BRepBuilder_MakeWire makes copies of the underliying edges.
w = Wrappers.wireFromEdges(edges);
ee = Wrappers.Wire(w).edgesAsList();
#compute two intersections
e1 = Wrappers.Edge(ee[5]);
e2 = Wrappers.Edge(ee[30]);
e1p = (e1.lastParameter - e1.firstParameter )/ 2;
e2p = (e2.lastParameter - e2.firstParameter )/ 2;
p1 = PointOnAnEdge(e1.edge,e1p ,e1.pointAtParameter(e1p));
p2 = PointOnAnEdge(e2.edge,e2p ,e2.pointAtParameter(e2p));
#cProfile.runctx('for i in range(1,100): ee=splitWire(w,[p2,p1])', globals(), locals(), filename="slicer.prof")
#p = pstats.Stats('slicer.prof')
#p.sort_stats('time')
#p.print_stats(.98);
t = Wrappers.Timer();
for i in range(1,100):
ee = splitWire(w,[p2,p1]);
print "Elapsed for 100 splits:",t.finishedString();
print "******************************"
print " HatchLib Unit Tests...."
print "******************************"
#w = TestDisplay.makeSquareWire(); #box around 0,0 <--> 5,5
#w2=TestDisplay.makeCircleWire(); #circle centered at 2,2, radius 1
#h = Hatcher([w,w2],0.0,( 0,0,5.0,5.0) );
gc.disable()
w = makeHeartWire()
w2 = makeCircleWire()
h = Hatcher([w, w2], 0.0, (-6, 0, 10.0, 10.0))
#display.DisplayShape(w);
#display.DisplayShape(w2);
#runProfiled('h.hatch()',0.9);
t = Wrappers.Timer()
h.hatch()
g = h.graphBuilder.graph
#debugGraph(g)
#h.hatch2();
print "Hatching Finished", t.finishedString()
#print "There are %d fill edges" % len(h.graph.fillEdges)
if False:
for e in g.edges_iter(data=True):
displayEdgeFromGraph(e[2])
if False:
for e in h.graphBuilder.fillEdges:
edge = g.get_edge_data(e[0], e[1])
displayEdgeFromGraph(edge, True)
