redraw lattice on change to pathToModels (ex externalLattice)
redraw lattice on change to pathToModels (ex externalLattice)

radiasoft/sirepo,radiasoft/sirepo,radiasoft/sirepo,mkeilman/sirepo,mkeilman/sirepo,mkeilman/sirepo,radiasoft/sirepo,mkeilman/sirepo,radiasoft/sirepo