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Documentation Index

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The Observatorio Territorial Godoy Cruz — Nodos is an interactive web map built by the Secretaría de Ambiente y Desarrollo Sustentable of Godoy Cruz (Mendoza, Argentina). It visualises urban planning data—district node classification, walkability indices, cycling infrastructure, health facilities, education, commerce, environment, and more—as toggleable GeoJSON overlays on top of multiple base maps. The project is a plain HTML + vanilla JavaScript application powered by Leaflet.js. There is no build step or package manager: clone the repository, open index.html in a browser or serve it over HTTP, and the map is ready.

Introduction

Understand the project’s purpose, architecture, and the municipal context behind the data layers.

Quickstart

Get the map running locally in minutes and learn how to toggle layers in the browser.

Map Layers

Browse all 50+ thematic layers: urban structure, nodes, walkability, services, environment, and more.

Customisation

Add your own GeoJSON data, create custom icons, and write popup templates.

Controls & Tools

Learn the built-in measurement, print, and file-upload controls.

JavaScript API

Reference documentation for all popup functions, icon factories, and style helpers.

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How the map works

1

Serve the project

Clone the repository and open index.html directly in a browser, or serve it with any static HTTP server. No build step is required.
2

Choose a base map

Select ESRI Satelital, Argenmap (IGN), or OpenTopoMap from the top-right layer control to change the background cartography.
3

Toggle thematic overlays

Expand any overlay group — Estructura Urbana, Nodos, Salud, Educación, etc. — and check the layers you want to inspect. Each layer loads its GeoJSON from a scripts/ file.
4

Explore features

Click any map feature to open its popup with name, address, and category details. Use the measurement tool to calculate distances, the print button to export, or the file-upload button to load your own GeoJSON/KML/GPX data.
The live map is published at https://observatorio-gc.github.io/Nodos/ via GitHub Pages. Fork the repository to host your own instance or extend it with new data layers.

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