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Spotlight PA Sample Ballot 2024

Installation

  • Install Go. See .go-version for minimum version.
  • Install Hugo. See netlify.toml for minimum version.
  • Run yarn to install JavaScript dependencies. See netlify.toml for minimum version.

Usage

Get an API key for Google Maps. Export it as an environment variable:

export GEOLOCATOR_API_KEY=abcd1234

Launch geolocator API service:

go run ./cmd/geolocator -port 2064

In another terminal tab/window, launch hugo:

hugo server

Open district finder in a web browser: http://localhost:1313/

Architecture

The homepage is the sample ballot lookup visualization. It is a Single Page Application. The HTML is built by Hugo and uses Alpine.JS to request data from geolocator, a serverless backend written in Go intended to be deployed on Netlify.

Geolocator relies on data generated using chunker (to split a map file into chunks) and extractor (to get demographic data out of a map file). See the old repo where they were used: https://github.com/spotlightpa/viz-redistricting-2020/