Create a separate method for setting up cells when initialize RasterLayer

[SongshGeo]

What's the problem this feature will solve?

Hi, long time no see.

I browsed and tested the source code of Mesa 3.0 and the latest compatible mesa-geo version, and I like the new framework. To provide users with an interface for modification, I hope to create a separate method for setting up cells when refactoring RasterLayer rather than specifying everything in __init__.

Describe the solution you'd like

Specifically, after the Mesa 3.0 version, I tried to directly inherit RasterLayer in my ABSESpy and add my Cell class, but there was no such overridable interface. So I made the following changes to the mesa-geo source code:

    def __init__(
        self, width, height, crs, total_bounds, model, cell_cls: type[Cell] = Cell
    ):
        super().__init__(width, height, crs, total_bounds)
        self.model = model
        self.cell_cls = cell_cls
        self._setup_cells()
        self._attributes = set()
        self._neighborhood_cache = {}

    def _setup_cells(self) -> None:
        self.cells = []
        for x in range(self.width):
            col: list[self.cell_cls] = []
            for y in range(self.height):
                row_idx, col_idx = self.height - y - 1, x
                col.append(self.cell_cls(self.model, pos=(x,y), indices=(row_idx,col_idx)))
            self.cells.append(col)

Additional context

I saw an interesting discussion about refactoring this class in #81. I think it's a good idea, and I will also try to find somewhere to contribute.

[wang-boyu]

Thanks for your interest in this. Would you like to take a look at the PropertyLayer from Mesa, since RasterLayer are essentially the geo versions of PropertyLayer? I have raised #201 for it. Some of its usages are mentioned in projectmesa/mesa#2440.