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⏱ 2h 48m📚 28 lessons
Drawing Polygons with Holes on Google Maps using JavaScript
Learn to construct complex, interactive geographical boundaries with inner and outer paths using modern JavaScript and the Maps API.
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About this course
Do you need to represent complex geographical areas, such as a territory with an excluded center, on an interactive map? Standard shapes often fall short when mapping real-world regions that contain lakes, restricted zones, or nested boundaries.
This text-based course guides you through the process of rendering advanced polygons with hollow interiors using the Google Maps JavaScript API. You will learn to manipulate spatial data and implement clean, modern code to create highly functional interactive maps.
What you'll learn:
- Understand the core concepts of coordinates, paths, and spatial geometry on web maps
- Define outer boundaries and nested inner paths to construct hollow polygons
- Apply modern JavaScript ES6+ features to write clean, maintainable map rendering code
- Configure customized polygon styles, including stroke weight, fill colors, and opacity
- Handle map events to make your custom shapes interactive for users
- Implement asynchronous loading practices for the Maps API to ensure optimal performance
You will start with the fundamental terminology of digital mapping and coordinate systems before moving on to practical coding exercises. Step-by-step, you will construct a fully interactive map featuring custom multi-path polygons, complete with event listeners and modern styling.
This course is designed for web developers and beginners who want to enhance their interactive mapping skills. No prior experience with mapping APIs is required, though a basic understanding of JavaScript is helpful.
Start building more precise, professional maps today.
Course contents
What you'll get
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⚡Short & focused 2h 48m of practical content
Certificate of completion
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Drawing Polygons with Holes on Google Maps using JavaScript