| comp1 | int | Number of component 1 ("object") for the ratio contraint | |
| comp2 | int | Number of component 2 ("object") for the ratio contraint | |
| name | str | Type of constraint (rel, abs, ratio, diff) | |
| param | str | Name of parameter to constrain | |
| ratio_max | float | Maximum value of ratio | |
| ratio_min | float | Minimum value of ratio | |
