1 This code was strongly inspired by work from Konstantin Podsvirov
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4 - https://wiki.qt.io/OsgQtQuick-Demo
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5 - https://github.com/podsvirov
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6 - https://github.com/podsvirov/osgqtquick
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9 - http://forum.osgearth.org/VERTEX-glCompileShader-quot-oe-mp-vertModel-quot-FAILED-tt7588106.html#none
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