Calc Pathway Map

Description

This functor calculates the shortest pathway between a feature or selected cell and an existing network of features.

Inputs

Name	Type	Description
Network	Categorical Map Type	Map of network of features. Non-null value cells represent features. If null cell value is not defined, an error will be reported.
Source	Map Type	Source feature map from which pathways are calculated. Non-null value cells represent features. If null cell value is not defined, an error will be reported.
Cost	Map Type	Accumulated cost surface calculated from a feature network. Values equal to or less than zero represent an existing feature network.

Optional Inputs

Name	Type	Description	Default Value
Use Lottery	Boolean Value Type	If there is more than one choice to reach the source feature. Dinamica chooses randomly between both equal value options.	False
Merge Networks	Boolean Value Type	If defined, the functor returns the initial network merged with the new pathways. Otherwise, only the new pathways are returned.	true

Outputs

Name	Type	Description
Network	Categorical Map	Map with a feature network updated. Output map format has the same dimensions of the input network map.

Group

Map Algebra

Notes

Ignores cells with values equal or lesser than 0.

This calculation will inform an error if it finds a local minimum on the cost map.

Internal Name

CalcPathwayMap

Usage examples

See practical examples of this functor in Lesson 17: Building a land-use and land-cover change simulation model