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Known Participant
August 11, 2022
質問

How to add a blended area around a photograph?

  • August 11, 2022
  • 返信数 4.
  • 935 ビュー

I am trying to increase the apparent size of a photograph, which is smaller than the artboard, so that it matches the size of the artboard, without changng the size of the photograph itself, in order to preserve the size of some detail thereon.

 

I thought that, perhaps, it might be possible to blend the rather featureless edges of the photograpoh with the background artboard - but I haven't been able to find a way of doing this succesfully yet.

 

Does anyone have any suggestions?

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返信数 4

John Mensinger
Community Expert
Community Expert
August 11, 2022

Depending on how "featureless" those edges are, you could possibly fake up some color-matched "extensions," perhaps with gradient to fade into the background. But really, it's likely to turn out less than seamless, and it would be better done in a raster image editor (Phooshop), prior to placing in Illustrator.

Legend
August 11, 2022

The easiest way would be to do a soft mask of the edges in Photoshop. If that is not an option, then use this method to mask in Illustrator. 

Create a black rectangle with a thick stroke, the same size as your photo. Apply a black and white gradient to the stroke (with the Across Stroke option).

Select rectangle and photo, and make a mask using the Transparency pallet. 

Place a frame under the image with the color you need.

Anubhav M
Community Manager
Community Manager
August 11, 2022

Hello @chrisnaylor,

 

Thanks for reaching out. As suggested by Ton, it would be helpful if you could share an example so we can help you further. If you are working with a raster image, kindly try the suggestions shared in this tutorial to expand the background in Photoshop: https://www.youtube.com/watch?v=cTf8ZKktU3M.

 

Looking forward to your response.

 

Thanks,

Anubhav

chrisnaylor作成者
Known Participant
August 12, 2022

Many thanks for your postings.

 

I should have included a screen shot !

 

The first attached file shows the original image in Photoshop CS5.

 

The idea is to add some more space above the mortarboard so that the main image is more centrally placed.

 

The tutorial video you suggested is excellent - but I'm working in CS5 and I'm not quite sure if I have all the features needed.

 

For instance, Photoshop CS5 has an option for Content aware scale but it doesn't seem to work in exactly the same way as the video example.

 

When I scale the iamge it seems to automatically fill the expanded area with something similar to content aware but the match isn't very good and there seems to be no way of diabling it- see the second file for an example.

Doug A Roberts
Community Expert
Community Expert
August 12, 2022

With something that simple I would probably just brush in the rest of the sky myself (in Photoshop).

That is, use a large brush with zero hardness, eyedropper parts of the existing sky and paint it.

Ton Frederiks
Community Expert
Community Expert
August 11, 2022

Without seeing an example it is hard to understand what you want.