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37 lines
792 B
Markdown
37 lines
792 B
Markdown
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---
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title: images.Gamma
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description: Returns an image filter that performs gamma correction on an image.
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categories: []
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keywords: []
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action:
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aliases: []
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related:
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- functions/images/Filter
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- methods/resource/Filter
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returnType: images.filter
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signatures: [images.Gamma GAMMA]
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toc: true
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---
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The gamma value must be positive. A value greater than 1 lightens the image, while a value less than 1 darkens the image. The filter has no effect when the gamma value is 1.
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## Usage
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Create the filter:
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```go-html-template
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{{ $filter := images.Gamma 1.667 }}
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```
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{{% include "functions/images/_common/apply-image-filter.md" %}}
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## Example
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{{< img
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src="images/examples/zion-national-park.jpg"
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alt="Zion National Park"
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filter="Gamma"
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filterArgs="1.667"
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example=true
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>}}
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