Is there a way to extract geolocation data from an image file (JPG, JPEG, PNG, etc) using Javascript when the file is being loaded onto a web browser, before it is actually uploaded by the client?
Is there a way to extract geolocation data from an image file (JPG, JPEG, PNG, etc) using Javascript when the file is being loaded onto a web browser, before it is actually uploaded by the client?
If you need to extract metadata from an image file, the exif module is a useful tool. Here's how you can use it:
var ExifImage = require('exif').ExifImage;
try {
new ExifImage({ image : 'myImage.jpg' }, function (error, exifData) {
if (error)
console.log('Error: '+error.message);
else
console.log(exifData); // Utilize your extracted data here!
});
} catch (error) {
console.log('Error: ' + error.message);
}
To make this npm module work in the browser, consider using Browserify.
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