Update default 2D projection for a dataset

Usage

update_2d_projection(project, dataset, layout, graph)

project: path to the project
dataset: name for the dataset, e.g. "PBMC". The name of the dataset can only contain alphanumeric characters, dots, dashes and underscores.
layout: a data frame with a column named "metacell" with the metacell id and other columns with the x and y coordinates of the metacell.
graph: a data frame with a column named "from", "to" and "weight" with the ids of the metacells and the weight of the edge. If NULL, the graph would be taken from the anndata object.