Update of /d22/d9/projects/walkthru/mit/src/LocationAware/graphicssign In directory carve.lcs.mit.edu:/home/pnichols/walkthru/mit/src/LocationAware/graphicssign Modified Files: GraphicsSign.java Added Files: Layer2D.java Layer3D.java Log Message: GraphicsSign now makes either 2d, or 3d, layers in a non-busted manner 3d layer now implements the displaylayer interface