Some basic Discrete2d syntax
getSizeX, getSizeY
- Get the dimensions of the lattice
fillWithValue: val, fillWithObject: obj
- puts same value or object at each site
setDiscrete2d: o toFile: filename
- Reads a PGM formatted file and fills lattice with values
copyDiscrete2d: a toDiscrete2d: b
- Fills lattice b with values from a