From QED

Contents 1 Simple transclusion 2 Using Template:Transclude 2.1 Naive Use of Template:Transclude 3 Uploading the image 4 Using transclusion to create the Image: page

Simple transclusion

Using Template:Transclude

Do Not Copy without Permission

Using a template has several advantages, including being easily able to find where the template has been used.

For pages in the Image: namespace, there is another reason to use Template:Transclude specifically: it supports the generation of thumbnails.

Naive Use of Template:Transclude

Using this template naively produces an image of a fixed size, but it often looks smudged (because the browser does the resizing):

Uploading the image

An uploaded image can be easily resized without losing quality, e.g.

Using transclusion to create the Image: page

Using transclusion to create an Image: page has several advantages, e.g.

• the copyright and attribution information can be kept together in one place.
• if the source image becomes unavailable (temporarily or permanently), the thumbnail will still be available.

As always, it's easy to refer to the description page, like so:

• Image:Yellow Fever Endemic Zones in Africa or
• Yellow Fever Endemic Zones in Africa

In practice, this works well in conjunction with using transclusion on the page in question.

It is also easy to embed the automatically-generated thumbnail (with the appropriate hyperlink), like so: