<Kernel.Scalar name="SetRadius">
  <Parameter.EntityInstance name="particle" type="GranularBody" read="material" write="radius, mass, invMass, inertia, invInertia, tier, oldCell"/>
  <Parameter.Scalar name="radius" type="Real" mode="READ"/>
</Kernel.Scalar>

<Kernel.Scalar name="SetRadius">
  <Parameter.EntityPtr name="particle" type="GranularBody" read="material" write="radius, mass, invMass, inertia, invInertia, tier, oldCell"/>
  <Parameter.Scalar name="radius" type="Real" mode="READ"/>
</Kernel.Scalar>
