Raster Image Overlays in Leaflet JS | GIS Data on Web with Leaflet JS API | 10 |
SourceCode: https://gisschools.com/course_details...
Assalam o Alaikum! Welcome back to our ongoing series on displaying maps on the web using the Leaflet library. In today's tutorial, we'll be focusing on how to overlay a national image on our base map using the image overlay feature.
We'll start by exploring the Leaflet library documentation to understand the image overlay construction method. You'll learn how to add the image path, set its latitude and longitude, and adjust its opacity to blend seamlessly with the base map.
We'll cover various options, including setting default opacity, handling slow internet scenarios with alternative text, and more. By creating functions, we'll dynamically adjust the image opacity through DOM manipulation.
Join us as we go step-by-step through the coding process. We'll set up our environment, load images, create image overlay objects, and add them to the map. You'll see how to control the image layer through a range input form, setting opacity values dynamically.
By the end of this video, you'll have a functional image overlay on your map with adjustable opacity. The source code for this tutorial is available on our GIS website, and you'll find the link in the description below.
0:23 - Overview of today's topic
0:33 - Leaflet library documentation
1:07 - Image overlay method
1:17 - Adding image path and coordinates
1:57 - Adjusting opacity
2:23 - Handling slow internet with alternative text
2:57 - Creating functions for opacity
4:20 - Setting up the environment
5:00 - Loading images and creating overlay objects
6:08 - Adding image layer to map controls
7:04 - Viewing and controlling the image overlay
9:01 - Adding a range input form for opacity control
10:46 - Testing dynamic opacity adjustments
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#Bootstrap4 #LeafLet #API #JavaScript #JS #WebGIS #GeoJSON
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-----Searching Topics:------
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Leaflet Tutorial #1: Create a map with a marker using JavaScript,
Introduction To Leaflet JS | Shapes And Basics,
Create interactive web maps using Leaflet JS,
How to display YOUR GIS data in a leaflet web map,
WebGIS Explained,
Building Your First Web GIS,
Web GIS: A Crash Course,
WebGIS viewer & editor,
Make a web map,
Adding an image or raster data to a leaflet map,
Vector and raster overlaying,
Raster overlay,
How to create image overlay hover effect using HTML and CSS only,
Raster Overlay: multiply (intersect) with booleans, add scored ordinal rasters,
Raster Image Overlays GIS Data on Web with Leaflet JS API,
Raster Layer as Basemaps amp Layers Control GIS Data on Web with Leaflet JS API,
Raster Overlay multiply intersect with booleans add scored ordinal rasters,
Raster Image Overlay Function,
create tiles from image and show that tiles on leaflet map,
Raster overlay,
Geoserver Publish and style raster data in geoserver for WebGIS application using Openlayers,
Raster time-series Temporal image mosaics in gvSIG Online,
Presentation and Analysis of GIS Data on Dashboard with Leaflet,
Adding an image or raster data to a leaflet map,
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