Is there a way to find the nodes (vertices) at interface between two mesh?

[nimeshpok]

I've defined two meshes in FiPy via Gmsh and would like to find the nodes at the interface between the two mesh. Is there a way to do this in FiPy?

siliconGeometry = '''
SetFactory("OpenCASCADE");
//set node spacing
ns = 1e-1;
ns2 = 1e-2;
x1 = 0;
y1 = 0;
x2 = 1;
y2 = 0.5;
Point(1) = {x1, y1, 0, ns};
Point(2) = {x2, y1, 0, ns};
Point(3) = {x2, y2, 0, ns2};
Point(4) = {x1, y2, 0, ns2};
Line(1) = {1, 2};
Line(2) = {2, 3};
Line(3) = {3, 4};
Line(4) = {4, 1};
Curve Loop(1) = {1, 2, 3, 4};
Plane Surface(1) = {1};
Physical Surface("Silicon") = {1};
'''

oxideGeometry = '''
SetFactory("OpenCASCADE");
//set node spacing
ns = 1e-1;
ns2 = 1e-2;
x1 = 0;
y1 = 0.5;
x2 = 1;
y2 = 1;
Point(5) = {x1, y1, 0, ns2};
Point(6) = {x2, y1, 0, ns2};
Point(7) = {x2, y2, 0, ns};
Point(8) = {x1, y2, 0, ns};
Line(5) = {5, 6};
Line(6) = {6, 7};
Line(7) = {7, 8};
Line(8) = {8, 5};
Curve Loop(2) = {5, 6, 7, 8};
Plane Surface(2) = {2};
Physical Surface("Oxide") = {2};

m0 = Gmsh2D(siliconGeometry)
m1 = Gmsh2D(oxideGeometry) 

I'd like to get all the nodes at the interface between mesh m0 and m1.

[wd15]

This has been answered on Stackoverflow.