OR-Library is a collection of test data sets for a variety of OR problems.
A full list of the test data sets available in OR-Library can be found here.
There are currently 2 data files. These data files are the test problems used in the paper: "Placing boxes on shelves: a case study" by N.P. Hoare and J.E. Beasley Journal of the Operational Research Society, vol.52, no.6, 2001, pp605-614. These test problems have a common products file. This file is products and the format of this file is:
For each product in turn: product family, quantity to be shelved, length, width, height
All orientations of each product are allowed and no product is allowed to overhang a shelf.
The two test problems have different bay files. These files are baytp1 and baytp2 and the format of these files is:
For each bay in turn: width, height, depth, available height
Bays must be shelved/used in same sequence as given in each file.
Each bay can have a number of possible shelves. These are given in the file shelves The format of this file is:
For each shelf in turn:
shelf number, thickness, position, top gap, left gap, inter gap, right gap
The position given is the height of the top flat surface of the shelf (on which boxes stand). Top gap for shelf i is the gap that must exist below the shelf (i.e. the gap between shelf i and boxes placed on the shelf below shelf i. For example if a shelf has a position of 1700, a top gap of 15 and a thickness of 40 then the boxes on the shelf below must not intrude into the space between 1700-40-15 (=1645) and 1700.
The largest file is products of size 110Kb (approximately) The entire set of files is of size 130Kb (approximately).
Click here to access these files