Genogram Identical Twin Layout Issue

@YosuaSalim wrote:

I’m developing twin and identical twin nodes in VueJS based Genogram.
I read a topic in this forum (Mixing orthogonal and normal linking) and tried implementing it. It works perfectly for twin nodes, but not for identical twin nodes.

Screen Shot 2018-10-31 at 6.48.00 PM.png1690x956 113 KB

First identical twin is generated correctly, but second identical twin is not

Is there a settings that I should configure to fix the layout problem ?

Here is the identical twin setup code (similar with the one in the forum)

    var T1 = myDiagram.findNodeForKey(identicalTwin[0].key);
    var T2 = myDiagram.findNodeForKey(identicalTwin[1].key);
    var TPL1 = T1.findTreeParentLink();
    var TPL2 = T2.findTreeParentLink();
    var TLN1 = $(go.Node);
    TLN1.labeledLink = TPL1;
    TLN1.segmentIndex = -2;
    TLN1.segmentFraction = .5;
    myDiagram.add(TLN1);
    var TLN2 = $(go.Node);
    TLN2.labeledLink = TPL2;
    TLN2.segmentIndex = -2;
    TLN2.segmentFraction = .5;
    myDiagram.add(TLN2);
    var TL = $(go.Link, {
      isLayoutPositioned: false,
      isTreeLink: false
    }, $(go.Shape, {
      strokeWidth: 2,
      stroke: "black"
    }));
    TL.fromNode = TLN1;
    TL.toNode = TLN2;
    myDiagram.add(TL);

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