Fig. 2
From: PlantSimLab - a modeling and simulation web tool for plant biologists
For an experiment, the user can perturb a model by knocking out nodes and the associated edges. The user can do this on a single node using a context menu popping up after right-clicking on a node to knock out or undo (a), or using the Experimental Setup Table. The initial state of the node can be set to the desired state in this tab using Experiment Setup Table (b). A knocked-out node has a X mark in red through it (c)