This Java App provides a visualization of floorplanning using iterative improvement or simulated annealing. It was originally developed as a Java Applet as part of the Lafayette College CADApplets project and ported to an application. The placement package contains three distinct applications which are described below:
PlacementApp shows the placment of a set of modules on a placeemnt surface and a cost function that is a weighted sum of bounding box area, wirelength, and module overlap. Drag a module to change its position or
click on a module to rotate it 90 degrees. Then observe the effect on the cost function.
IterImproveApp provides a visualization of placement improvement by iterative improvement.
When running it chooses a module at random and applies a random move (e.g., move horizontally or vertically by a random amount, rotate, or flip). If the cost function is reduced as a result, the move is accepted.
If not, the move is reversed. Move attempts are shown on the right hand pane; accepted moves are shaded green.
FloorPlannerApp provides a visualization of placement improvement using Simulated
Annealing. User can view individual moves or the overall coooling schedule (shown here)
