plot_one_branch: Plot sigmoid curve for one branch
In Yutong441/TBdev: Infer a Trophoblast Developmental Trajectory

Plot sigmoid curve for one branch

plot_one_branch(
  dat,
  branch_id,
  branch_col = "epil_branch",
  slope = 1,
  off_set = 5,
  filter_lim = c(-Inf, Inf),
  time_col = "MGP_PT",
  br_sign = 1,
  color_col = "broad_type",
  thickness = 0.01,
  select_cells = NULL,
  label_group = NULL,
  text_offset = 0,
  AP = NULL,
  elevation = 0,
  time_df = NULL,
  time_time_col = NULL,
  time_color_col = NULL,
  time_group_col = NULL,
  branch_name = NA,
  repel_force = 0.001,
  save_dir = NULL,
  plot_branch_names = T
)

`dat`	a dataframe
`branch_id`	which branch(es) to plot
`branch_col`	which column contains the branch information
`slope`	the steepness of the curve. The larger the value, the smoother the curve becomes
`off_set`	shift the tuning point of the sigmoid curve. The higher the value, the more leftwards the curve will shift
`filter_lim`	the min and max of x axis
`time_col`	which column contains pseudotime information
`br_sign`	whether to flip the curve along the x axis, -1 indicates a flip
`color_col`	which column contains grouping information
`thickness`	the thickness of the curve
`select_cells`	which cells in `dat` to plot
`text_offset`	how much the labels deviate from the top of the ribbon
`elevation`	how much the curve is vertically translated. The direction is the same as `br_sign`