[JAVA3D] Two Things: Line thickness and Picking

Ok, firstly could someone please tell me how I go about setting the line thickness, here is the code

lArray[i] = new LineArray(2, LineArray.COORDINATES | LineArray.COLOR_3);

transGroup[i].setCapability(lArray[i].ALLOW_COLOR_WRITE);

Point3f[] pts = new Point3f[2];

pts[0] = fromCD; // Start Point

pts[1] = toCD; // End Point (arrow end)

lArray[i].setCoordinates(0, pts);

lArray[i].setColors(0, clrs);

shapes[i].setGeometry(lArray[i]);

transGroup[i].addChild(shapes[i]);

addChild(transGroup[i]);

Secondly, could someone please explain in simple terms, with some example code how to implement picking

I cant make sense of the java tutorial stuff on it

Basically I have a screen of spheres and when I click on one I want to display some text next to it

Don’t need any help with the display text bit, just determining what sphere has been clicked on

Thanks in advance for any help

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