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 }}