Exif

Exif


Applicable to JPEG, PNG, TIFF, and WebP images, returns an EXIF object containing image metadata.

Applicable to JPEG, PNG, TIFF, and WebP images, the Exif method on an image Resource object returns an [EXIF] object containing image metadata.

Methods #

Date
(time.Time) Returns the image creation date/time. Format with the [time.Format] function.
Lat
(float64) Returns the GPS latitude in degrees.
Long
(float64) Returns the GPS longitude in degrees.
Tags
(exif.Tags) Returns a collection of the available EXIF tags for this image. You may include or exclude specific tags from this collection in the [site configuration].

Examples #

To list the creation date, location, and EXIF tags:

{{ with resources.Get "images/a.jpg" }}
  {{ with .Exif }}
    <p>Date: {{ .Date }}</p>
    <p>Lat/Long: {{ .Lat }}/{{ .Long }}</p>
    {{ with .Tags }}
      <p>Tags</p>
      <table>
        <thead>
          <tr><th>Tag</th><th>Value</th></tr>
        </thead>
        <tbody>
          {{ range $k, $v := . }}
          <tr><td>{{ $k }}</td><td>{{ $v }}</td></tr>
          {{ end }}
        </tbody>
      </table>
    {{ end }}
  {{ end }}
{{ end }}

To list specific values:

{{ with resources.Get "images/a.jpg" }}
  {{ with .Exif }}
    <ul>
      {{ with .Date }}<li>Date: {{ .Format "January 02, 2006" }}</li>{{ end }}
      {{ with .Tags.ApertureValue }}<li>Aperture: {{ lang.FormatNumber 2 . }}</li>{{ end }}
      {{ with .Tags.BrightnessValue }}<li>Brightness: {{ lang.FormatNumber 2 . }}</li>{{ end }}
      {{ with .Tags.ExposureTime }}<li>Exposure Time: {{ . }}</li>{{ end }}
      {{ with .Tags.FNumber }}<li>F Number: {{ . }}</li>{{ end }}
      {{ with .Tags.FocalLength }}<li>Focal Length: {{ . }}</li>{{ end }}
      {{ with .Tags.ISOSpeedRatings }}<li>ISO Speed Ratings: {{ . }}</li>{{ end }}
      {{ with .Tags.LensModel }}<li>Lens Model: {{ . }}</li>{{ end }}
    </ul>
  {{ end }}
{{ end }}