OptionalhorizontalShould the nodes be placed horizontally rather than vertically
OptionalradialShould the nodes be placed radially instead of vertically
The grap between each layers used in the radial mode
OptionalrootSpecify the ID of the node to be used as the root of the tree.
Keep undefined to let rooIdAlgorithmFinder to select it.
The algorithm to use to find the root of the tree
OptionalstrengthThe strength of the force keeping the nodes placed to form a tree in place
If the direction of the edges should be flipped. This can lead to other visualization