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indesign - thin white border showing between photo (black) and transparent part

Contributor ,
Nov 02, 2020 Nov 02, 2020

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When placing this photo (TIFF saved in Photoshop) into indesign there is a thin lighter line showing up between the photo and the transparent part. This only happens on this photo when slightly turned (if it is completely square and place at exactly 90 degrees, there is no thin lighter line. Does anyone know why this can be?

The screenshoot showing the transparent areas is from Photoshop and the screenshot where I have circled the problem area in red is from Indesign.

 

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correct answers 1 Correct answer

Enthusiast , Nov 11, 2020 Nov 11, 2020

Hi @Chris201Chris,
you need to understand the principle how InDesign works with images.

There are (usually) two frames involved:
– the outer frame, in my screenshot a few posts up it is the blue rectangle. This can have whatever shape you can draw (and close) with the pen tool. Rectangle, Circle, Star, Bunny, whatever...
– the inner image itself, this is always a rectangle and has the same size as your canvas in Photoshop

Now if you want to rotated AND crop your image, you have to rotate your inner i

...

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Guide ,
Nov 02, 2020 Nov 02, 2020

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I can see lighter colored pixels in the area you have circled in both photos. I would probably rotate them in Photoshop until they are square, then either crop out the unwanted pixels or clone some adjacent pixels that have the color you want.

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Enthusiast ,
Nov 02, 2020 Nov 02, 2020

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When you rotate the image you could end up with bisected pixels. Those need to be filled again to get full pixels and since PS has no color information (= transparent) it assumes white, resulting in that lighter color.
See a close up of your image rotated, the lighter parts are where PS needs to fill in the half pixels:
Bildschirmfoto 2020-11-03 um 07.05.00.pngexpand image

In InDesign you should be fine if you just crop in a bit more.

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Contributor ,
Nov 03, 2020 Nov 03, 2020

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Thanks! Is it possible to crop at non-perpendicular angles in indesign?

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Enthusiast ,
Nov 03, 2020 Nov 03, 2020

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Not sure what you mean, just make your outer image frame a little bit smaler?

In case you just have one frame which also is used as your black background – you may have to use two frames.
– create one frame with your black fill
– place your image on top and rotate the image itself (not the outer graphic frame, use the direct selection tool (shortcut A) for this)

Bildschirmfoto 2020-11-03 um 10.43.19.pngexpand image

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Contributor ,
Nov 03, 2020 Nov 03, 2020

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Thanks! The edge of the photo is (and I prefer it not to be) a perfect rectangle and it is also rotates. The frame in indesign is just a normal rectangle as I remember it and also pasting in the unrotated picture into indesign to crop and rotate it there is not an option as indesign does not rotate with high quality.

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Guide ,
Nov 03, 2020 Nov 03, 2020

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What makes you think that rotating in InDesign is low quality? If you keep your image square in Photoshop and place it in InDesign, you can rotate it without losing any quality. 

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Contributor ,
Nov 11, 2020 Nov 11, 2020

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I had problems before when rotating in indesign, but now it seems to work well so many thanks for that.

However, I realise my previous post lacked a "not", i.e. the frame of my photo is not a perfect rectangle (and on another page in the same document I have a rectangle which is rotated and then partly cropped, so it is an non-regular octagon. Can indesign crop irregular shapes as well?

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Contributor ,
Nov 11, 2020 Nov 11, 2020

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att present, my quick-fix, is to drav black rectangles in indesign which I let overlap the edges of the photo, thus hiding the white line 🙂

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Enthusiast ,
Nov 11, 2020 Nov 11, 2020

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Hi @Chris201Chris,
you need to understand the principle how InDesign works with images.

There are (usually) two frames involved:
– the outer frame, in my screenshot a few posts up it is the blue rectangle. This can have whatever shape you can draw (and close) with the pen tool. Rectangle, Circle, Star, Bunny, whatever...
– the inner image itself, this is always a rectangle and has the same size as your canvas in Photoshop

Now if you want to rotated AND crop your image, you have to rotate your inner image. You can select that via the direct selection tool (keyboard shortcut A) or by hovering over the middle of the image where you see that circle overlay.

Why did I say usually? Because you can paste frames into frames into frames into... that way you can crop ever futher if it becomes neccessary.

Maybe it becomes clearer with that little screencap:
image frames.gifexpand image

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Contributor ,
Nov 12, 2020 Nov 12, 2020

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Thanks for an excellent explanation which completely solved my problem! I have to admit I am so far only about half way thru my Indesign course on Udemy - it is just so exciting to work in Indesign and Photoshop so I cannot help myself from working on my project before having "learned it all" 🙂

Currently, my only remaining outstanding issue is this: https://community.adobe.com/t5/indesign/transparent-picture-background-showing-up-as-tint/m-p/115617...

 

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