accessibility_greenspace
                        Generate Accessibility Map for Green Spaces and
                        Export Data
accessibility_mapbox    Create a dynamic Accessibility Map Using Mapbox
                        GL JS
analyze_green_accessibility
                        Analyze Green Space Accessibility Using Street
                        Network
analyze_green_and_tree_count_density
                        Analyze Green Space or Tree Count Density with
                        Research Metrics and Lorenz Curve
calculate_and_visualize_GVI
                        Calculate and Visualize Green View Index (GVI)
                        from an image
calculate_green_index   Calculate Green Index (Optimized + Robust +
                        Progress Bar)
calculate_percentage    Calculate the percentage of edges with their
                        respective green index category
check_duplicate_columns
                        Helper function to check for duplicate columns
chm_analysis            Robust ALS GEDI CHM Analysis and Visualization
convert_to_point        Convert Geometries to Points and Reproject to
                        WGS84
create_accessibility_visualizations
                        Create Green Space Accessibility Visualizations
create_hexmap_3D        Create a 3D Hexagon Map Using H3 and Mapbox GL
                        JS
create_linestring_3D    Create a 3D Linestring Map
get_osm_data            Download OSM Data (Interactive Use Only)
green_space_clustering
                        Green Space Clustering with K-Means and Tile
                        Layer Control in Leaflet
gssi                    Green Space Similarity Index (GSSI)
hexGreenSpace           Visualize Green Space Coverage with Hexagonal
                        Bins
nearest_greenspace      Calculate and Visualize the Shortest Walking
                        Path to Specified Type of Nearest Green Space
                        with Estimated Walking Time
plot_green_index        Plot the green index
rename_duplicate_columns
                        Helper function to rename duplicate columns
run_app                 Run Shiny App
save_as_leaflet         Save the green index data as a Leaflet map in
                        an HTML file
save_json               Save the green index data as a GeoJSON file
visualize_green_spaces
                        Visualize Green Spaces on a Leaflet Map
