Areas

The area object is a key object used to define the areas of the LTM. The area parameters are listed below. The parameters in bold are required and the others are optional.

Area Parameters

Parameter	Datatype	Unit
name	string	Object/area name
id	int	Output
water_value_weights	water_value_weights	Used to change the default scenario weights in the Water Value method.
spill_cost	double_optional	Spill cost price. Default value = 0.01. This value must be the system’s lowest price.
load_penalty	double_optional	Load penalty price. Default value = 3000. The value must be the system’s highest price.
max_iterations	int_optional	Max number of iterations for the water value calculation. Default value = 40. Water Value method.
precision	double_optional	Convergence criterion for the water value calculation. Default value = 0.001. Water Value method.
feedback_factors	feedback_factors	Used in the EMPS model strategy and calibration. Default feedback factors are generated automatically by the EMPS. Feedback factors are very important for the results!
has_detailed_grid	bool	Use in Samnett to sort the list of areas with detailed grid.
#comment	string_optional	Optional comment
metadata	json	Output

A minimal example is show below (collapsed).

Burbars examples

"areas": [
    {
        "name": "numedal",
        "spill_cost": 0.001,    // optional
        "max_iterations": 500,  // optional
        "precision": 0.0001     // optional
    },
    {
        "name": "tev"
    },
    {
        "name": "otra"
    }
]