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Infinity List Server Function

infinity_server.Rd

Initializes and sets up the server-side logic for the Infinity List Shiny application. This function manages the user interactions, data processing, and rendering of both UI elements and outputs (tables, maps, stats). It handles file uploads, data filtering, and interaction with map elements.

Usage

infinity_server(...)

Arguments

...

Additional arguments that might be passed to server functions. These could be passed from a Shiny UI function or another server function.

Value

This function sets up and returns a server function for the Shiny app. It does not have a direct return value, but rather, it sets up reactive outputs, observers, and expressions that the Shiny app will utilize.

Details

The server function handles several main tasks:

  • Observes and processes KML file uploads.

  • Reactively creates polygons based on user inputs.

  • Filters and processes ALA data based on user-selected polygons.

  • Computes and displays statistics about observed species.

  • Updates select input choices based on the available data.

  • Renders and displays a data table with specific details.

  • Provides a CSV download handler for the displayed data.

  • Renders a Leaflet map with markers, polygons, and buffers.

Key internal functions include:

  • load_place(): For processing KML files.

  • create_circle_polygon(): To create polygons from user inputs.

  • points_in_target(): To determine if points lie within a target polygon.

  • points_in_buffer(): To determine if points lie within a buffer around a polygon.

  • filter_by_taxon(): Filters the ALA data by selected taxa.

  • add_buffer(): Adds a buffer around a given polygon.

See also

infinitylistApp: Main function that launches the Infinity List Shiny app.