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79 lines
2.3 KiB
Markdown
79 lines
2.3 KiB
Markdown
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---
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title: Exif
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description: Applicable to JPEG and TIFF images, returns an EXIF object containing image metadata.
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categories: []
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keywords: []
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action:
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related: []
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returnType: exif.ExifInfo
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signatures: [RESOURCE.Exif]
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toc: true
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---
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Applicable to JPEG and TIFF images, the `Exif` method on an image `Resource` object returns an [EXIF] object containing image metadata.
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## Methods
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Date
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: (`time.Time`) Returns the image creation date/time. Format with the [`time.Format`]function.
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Lat
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: (`float64`) Returns the GPS latitude in degrees.
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Long
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: (`float64`) Returns the GPS longitude in degrees.
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Tags
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: (`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].
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## Examples
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To list the creation date, location, and EXIF tags:
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```go-html-template
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{{ with resources.Get "images/a.jpg" }}
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{{ with .Exif }}
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<p>Date: {{ .Date }}</p>
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<p>Lat/Long: {{ .Lat }}/{{ .Long }}</p>
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{{ with .Tags }}
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<p>Tags</p>
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<table>
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<thead>
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<tr><th>Tag</th><th>Value</th></tr>
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</thead>
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<tbody>
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{{ range $k, $v := . }}
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<tr><td>{{ $k }}</td><td>{{ $v }}</td></tr>
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{{ end }}
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</tbody>
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</table>
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{{ end }}
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{{ end }}
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{{ end }}
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```
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To list specific values:
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```go-html-template
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{{ with resources.Get "images/a.jpg" }}
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{{ with .Exif }}
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<ul>
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{{ with .Date }}<li>Date: {{ .Format "January 02, 2006" }}</li>{{ end }}
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{{ with .Tags.ApertureValue }}<li>Aperture: {{ lang.FormatNumber 2 . }}</li>{{ end }}
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{{ with .Tags.BrightnessValue }}<li>Brightness: {{ lang.FormatNumber 2 . }}</li>{{ end }}
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{{ with .Tags.ExposureTime }}<li>Exposure Time: {{ . }}</li>{{ end }}
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{{ with .Tags.FNumber }}<li>F Number: {{ . }}</li>{{ end }}
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{{ with .Tags.FocalLength }}<li>Focal Length: {{ . }}</li>{{ end }}
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{{ with .Tags.ISOSpeedRatings }}<li>ISO Speed Ratings: {{ . }}</li>{{ end }}
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{{ with .Tags.LensModel }}<li>Lens Model: {{ . }}</li>{{ end }}
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</ul>
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{{ end }}
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{{ end }}
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```
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{{% include "methods/resource/_common/global-page-remote-resources.md" %}}
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[exif]: https://en.wikipedia.org/wiki/Exif
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[site configuration]: /content-management/image-processing/#exif-data
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[`time.Format`]: /functions/time/format
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