jUFLP_utils

Module summary

Utility / helper functions for j-UFLP: used save / load / draw instances.

(In the implementation details below, click on class/function names for additional documentation and links to the source code.)

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Implements functions (outside the classes above):

draw_jUFLP_inst(i1, i2, link[, filename])	Saves an instance to a .dot file.
load_inst(filename)	Loads a jUFLP instance from .json file.
save_inst(i1, i2, join_map, filename)	Saves the jUFLP instance to .json file.

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Implementation details

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Functions

jUFLP_utils.draw_jUFLP_inst(i1, i2, link, filename='tmp/jUFLP.dot')

Saves an instance to a .dot file.

jUFLP_utils.load_inst(filename)

Loads a jUFLP instance from .json file.

Returns

[[S,f,c,caves], [S2,f2,c2,caves], jmap]

jUFLP_utils.save_inst(i1, i2, join_map, filename)

Saves the jUFLP instance to .json file.

The file contains the following objects

• inst1 and inst2 – description of the two sub-instances, with identical structure containing the following records:

  • S: a list of neighborhood lists,

  • f: a list of lists of overlap costs,

  • c: a list of facility location costs.

  • caves: a parameter describing the points allocated to each “cave” (was used in legacy experiments)