All functions

add_heatmap_track()

add heatmap to a new track

add_ideogram_track()

Add ideogram track

add_lines_track()

add lines to a new or exsited track

add_points_track()

add points to a new or exsited track

add_rect_track()

add retangles to a new or exsited track

add_segments_track()

add segments to a new or exsited track

add_track()

Add self-defined graphics track by track

current_track()

The index of current track

get_cell_meta_data()

Get meta data in a cell

gtrellis_layout()

Initialize genome-level Trellis layout

gtrellis_show_index()

Show index on each cell