GitHub - JuDelannoy/MagnifyingGlassOpacityShifting: Magnifying Glass in OpenLayers with 2 layers into it, whose opacity is shifting.

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Magnifying Glass in OpenLayers with 2 layers into it, whose opacity is shifting.

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Name		Name	Last commit message	Last commit date
Latest commit History 9 Commits
MagnifyingGlassOpacityShifting.html		MagnifyingGlassOpacityShifting.html
ReadMe.odt		ReadMe.odt
ReadMe.txt		ReadMe.txt
index.html		index.html
magnifyingGlassOl.js		magnifyingGlassOl.js

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This wonderful piece of code allows you to create a magnifying glass on a map !
In this magnifying glass you can have several layer and you will see them alternatively thanks to a shift of opacity.

The magnifying glass is based on the code of Jean-Marc VIGLINO.
https://viglino.github.io/ol-ext/examples/misc/map.overlay.magnify.html

The shifting of opacity between layers was made for a small project.


How to use it ?

Download the index.html and the js files. Open it in your browser.
It is made as an API. The version without API is magnifyingGlassOl.html.