EASEL is a layer-based design environment developed at the Institute for Software Research at the University of California, Irvine.

While many environments have focused primarily on documenting a design (i.e. after it has been created), the goal of EASEL is to support a designer in the activity of designing (i.e. creating, evolving, or exploring alternatives designs). The activity of designing is a naturally iterative activity consisting of creatively constructing, evaluating, and improving alternatives that eventually coalesce into a single, desired solution.

The key insight underlying the EASEL approach is that this activity can be ideally supported by making two critical advances:

This combination balances the art of creative design with the science of engineering sound solutions to enable round-trip, exploratory designing. To download EASEL, go to the Easy Setup: Download and Run page.

What we see above is the first EASEL prototype for exploring product line architectures (PLAs). On the left we see a graphical depiction of one product architecture that is being edited. On the right we see a list of layers that capture different features of the PLA and a spreadsheet of relationships that govern which layer selections produce valid product compositions.

EASEL Applications

Following is a list of applications of the EASEL approach to different domains:

Product Line Architectures (PLAs)

The first EASEL prototype, supports designing product line architectures (PLAs). The concepts of EASEL naturally map onto the concepts of product line architectures: change sets capture product line variability (or features) while relationships capture feature compatibility by governing valid layer combinations. By selecting change sets, and applying them in a particular order, different products are composed. View our publications for more information on how product line architectures can be modeled using change sets and relationships.

Latest Updates

[December 2006] New release of EASEL prototype.

[June 2006] New release of EASEL prototype.

[February 2006] Release of initial EASEL prototype.

Contact Us

If you have questions not answered by this website, please feel free to contact Scott Hendrickson at shendric@uci.edu.


Effort partially funded by the National Science Foundation under grant number CCR-0093489, DUE-0536203, and IIS-0205724.