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  • Book Overview & Buying Leaflet.js Essentials
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Leaflet.js Essentials

Leaflet.js Essentials

By : Paul Crickard III
4 (7)
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Leaflet.js Essentials

Leaflet.js Essentials

4 (7)
By: Paul Crickard III
Buy this Book

Overview of this book

If you are a web developer working with geospatial concepts and mapping APIs, and you want to learn Leaflet to create mapping solutions, this book is for you. You need to have a basic knowledge of working with JavaScript and performing web application development.
Table of Contents (8 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Creating Maps with Leaflet
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1. Creating Maps with Leaflet
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Creating a simple basemap
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Tile layer providers
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Adding a Web Mapping Service tile layer
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Multiple tile layers
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Adding data to your map
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Rectangles and circles
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MultiPolylines and MultiPolygons
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Groups of layers
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Pop ups
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Mobile mapping
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Events and event handlers
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Summary
2
2. Mapping GeoJSON Data
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2. Mapping GeoJSON Data
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Understanding the roots of GeoJSON
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Exploring GeoJSON
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GeoJSON in Leaflet.js
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Summary
3
3. Creating Heatmaps and Choropleth Maps
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3. Creating Heatmaps and Choropleth Maps
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What is a heatmap?
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Heatmaps with Leaflet.heat
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Creating heatmaps with heatmap.js
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Creating an interactive heatmap
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Animating a heatmap
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Creating a choropleth map with Leaflet
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Creating a normalized choropleth map
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Summary
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4. Creating Custom Markers
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4. Creating Custom Markers
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Creating a custom marker
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Using a custom marker in Leaflet
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Using predefined markers with plugins
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Clustering markers with Leaflet.markercluster
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Animating markers with plugins
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Using markers for data visualization
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Summary
5
5. ESRI in Leaflet
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5. ESRI in Leaflet
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ESRI basemaps
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Using shapefiles in Leaflet
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Consuming ESRI services
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Heatmaps with ESRI in Leaflet
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Geocoding addresses in Leaflet
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Query by attribute
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Query by proximity
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Summary
6
6. Leaflet in Node.js, Python, and C#
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6. Leaflet in Node.js, Python, and C#
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Building Leaflet applications with Node.js
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Leaflet with Python and CherryPy
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Desktop applications in C# with Leaflet
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Summary
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Index
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Index

Chapter 2. Mapping GeoJSON Data

In Chapter 1, Creating Maps with Leaflet, all of the geometry elements—points, lines, and polygons—were created one at a time. You learned how to create groups of features using layer and feature groups and also multipolyline and multipolygon classes. In this chapter, you will learn how to add GeoJSON data to your map. The data will be comprised of multiple geometries and will have descriptive data associated with it.

In this chapter, we will cover the following topics:

  • What is GeoJSON?
  • How to add it to your map
  • How to style it
  • Iterating through features
  • How to call GeoJSON from external sources
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Tech Concepts
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Programming languages
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Leaflet.js Essentials
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