How to use the salem.gis.transform_geometry function in salem

# Several cases
        if shape is not None:
            if isinstance(shape, pd.DataFrame):
                gdf = shape
            else:
                gdf = sio.read_shapefile(shape)
            gis.transform_geopandas(gdf, to_crs=ogrid.corner_grid,
                                    inplace=True)
            if rasterio is None:
                raise ImportError('This feature needs rasterio')
            from rasterio.features import rasterize
            with rasterio.Env():
                mask = rasterize(gdf.geometry, out=mask)
        if geometry is not None:
            geom = gis.transform_geometry(geometry, crs=crs,
                                          to_crs=ogrid.corner_grid)
            if rasterio is None:
                raise ImportError('This feature needs rasterio')
            from rasterio.features import rasterize
            with rasterio.Env():
                mask = rasterize(np.atleast_1d(geom), out=mask)
        if grid is not None:
            _tmp = np.ones((grid.ny, grid.nx), dtype=np.int16)
            mask = ogrid.map_gridded_data(_tmp, grid, out=mask).filled(0)
        if corners is not None:
            cgrid = self._ogrid.center_grid
            xy0, xy1 = corners
            x0, y0 = cgrid.transform(*xy0, crs=crs, nearest=True)
            x1, y1 = cgrid.transform(*xy1, crs=crs, nearest=True)
            mask[np.min([y0, y1]):np.max([y0, y1])+1,
                 np.min([x0, x1]):np.max([x0, x1])+1] = 1

- Point: all keywords accepted by scatter(): marker, s, edgecolor,
              facecolor...
            - Line: all keywords accepted by plot(): color, linewidth...
            - Polygon: all keywords accepted by PathPatch(): color, edgecolor,
              facecolor, linestyle, linewidth, alpha...

        """

        # Reset?
        if geometry is None:
            self._geometries = []
            return

        # Transform
        geom = gis.transform_geometry(geometry, crs=crs,
                                      to_crs=self.grid.center_grid)

        # Text
        if text is not None:
            x, y = geom.centroid.xy
            x = x[0] + text_delta[0] * self.grid.nx
            sign = self.grid.dy / np.abs(self.grid.dy)
            y = y[0] + text_delta[1] * self.grid.ny * sign
            self.set_text(x, y, text, crs=self.grid.center_grid,
                          **text_kwargs)

        # Save
        if 'Multi' in geom.type:
            for g in geom:
                self._geometries.append((g, kwargs))
                # dirty solution: I should use collections instead