This Jekyll plugin adds the Liquid filter exif, supplying exif data to Jekyll websites. To read the data exifr is used as a dependency.
Add the plugin to your site's Gemfile:
group :jekyll_plugins do
# your other jekyll plugins...
gem 'jekyll-exif-data', '~> 0.0'
endThen run
$ bundle installin your jekyll project directory. The dependency of the plugin is also automatically installed by this command.
In your terminal:
$ gem install jekyll-exif-dataThen add the plugin to your _config file:
plugins:
- jekyll-exif-data{{ image_path | exif: '[exif-tag]'}}The exif filter takes the exif tag as the argument and acts on the image (path without leading slash).
Examples:
{% assign image_path = "assets/my_image.jpg" %}
{{ image_path | exif: 'model'}}
{{ "assets/images/example.jpg" | exif: 'date_time' | date: "%Y" }}For more examples of possible exif tags see exifr. The argument taken by the exif filter is the name of the method in exifr (for deeper methods join them with a dot e.g. gps.latitude or f_number.to_f).
You can use the arguments exif? and gps? to figure out whether there is any exif/gps data for your image. The code shown below links to the location on https://www.openstreetmap.org where the image was taken and additionally provides the model of the camera used and the year.
{% capture has_exif %}{{ image-path-no-leading-slash | exif: "exif?" }}{% endcapture %}
{% capture has_gps %}{{ image-path-no-leading-slash | exif: "gps?" }}{% endcapture %}
{% if has_exif %}
Taken
{% if has_gps=="true" %}
<a href="https://www.openstreetmap.org/?mlat={{ image-path-no-leading-slash | exif: 'gps.latitude' }}&mlon={{ image-path-no-leading-slash | exif: 'gps.longitude' }}&zoom=8&layers=M" target="_blank">here </a>
{% endif %}
with a {{ image-path-no-leading-slash | exif: 'model' }}
in {{ image-path-no-leading-slash | exif: 'date_time' | date: "%Y" }}.
{% endif %}If the exif tag exists, but there is no value saved for it an empty String is returned opposed to nil by exifr.
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