def setHighlightNodes(self, drawNodes, intensities=None):
        self.highlightIntensities = intensities
        oldHighlightNodes = self.highlightNodes
        self.highlightNodes = drawNodes
        for drawNode in drawNodes+oldHighlightNodes:
            drawNode.update()
Set which nodes are highlighted by giving a list of drawNodes and an
dataset/ETHPy150Open andrew-gardner/dependsworkflow/depends/depends_graphics_widgets.py/SceneWidget.setHighlightNodes