AmapSim model is a pure structural model that is able to reproduce what was observed and measured on real plants. Observations consists in numbers (axes, shoots, internodes…) and dimensions (angles, length, diameters…) that are sampled across growing plants. Theese numbers and dimensions are the result of what the plant is (endogeneous properties) and its functioning according to its environment (exogenous properties). Which means that there is no distinction between what the plant species can produce (genetic) and what it produces (functioning).
Due to software architecture it is possible to replace or improve the default model behaviour with additional knowledge thanks to plug-ins.
Plug-ins are software additionnal components that may be dynamically connected to the core simulator.
Plug-ins can interact with the default simulation in different ways :
- time synchronisation
- parameter modifications
- procedural synchronisation
- plant representation modification/improvement
Here are some plug-ins examples that are provided with the default package :

A plug-in to simulate a simplified Shinozaki pipe model where only the last ring is taken into account to follow the conducting surface conservation.

A plug-in to simulate the Shinozaki pipe model where a law of the number of conducting rings is introduced.

A plug-in to simulate lower branch pruning at given moments of growth.

A plug-in to simulate plot thinning when multiple plant growth is selected.

A plug-in to simulate light interception when plants are put into a voxel space.

A plug-in to simulate browsing effect on plants.

A plug-in to simulate the GL1 model.

A plug-in to simulate wind effect that bends branches.

A plug-in that simulates local intercepted light effects on meristems development and branching (to be combined with Archimed or lightThtoughVoxel plugin).

A plug-in to simulate growth attenuation according to steric stress.