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Indesign -- resize or change resolution of jpeg to be exported

Posted on 2006-06-02
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Last Modified: 2012-06-21
Hi

I needed a design from indesign to be exported to a jpeg at 200dpi or, resize it to 1024width resolution 72dpi. However my designer is telling me indesign doesnt allow you to resize things on export. so i can only make do with the jpeg that it automatically generally. is that true? I am not a indesign user myself. And I cant get my hand on one. Can someone advise. thanks so much!!
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Question by:tariez
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cj_1969 earned 1500 total points
ID: 16818028
It looks like InDesign uses a standard DPI and will just report the image size to match.
Once you export your image you should be able to open it in Photoshop, or any other good graphics program, and then "scale" or convert the image to a higher DPI ... this will in effect shrink the image just by pulling all those pixels closer together ... so if you have a 10"x10" image at 72DPI and convert the image to 150DPI (as an example) then your resultant image would be a 150DPI image with a size of 5"x5"

As long as the original image is ok, then you shouldn't have any problems converting the image to a differnt DPI after it has been exported.

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by:tariez
ID: 16819148
. the jpeg that was being exported is smaller than wat i needed. the file is 600pix in width and 72dpi. So I cant possibly scale it up after I export right?
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by:cj_1969
ID: 16820347
You can but you lose the image quality.
Is there any way to scale it up in InDesign and then export it?  The JPG export size should be keyed off of the original image size in InDesign.
The scaling should be proportional so if you need to do some calculations ...
if you want your end product to be 300DPI this (a scale factor of 4.1 ... 300/72) will shrink the current image to 144 pix  (600 / 4.1) ... how many pixels do you want you end image to be?
Based your scale factor for the increase on the 144 pixel size and you want to scale your InDesgn image by that factor.

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Author Comment

by:tariez
ID: 16822264
pardon me I am really quite lost here

I just need my jpeg to be 1024width and 72 dpi. But the current exported jpeg is only 600 in width. My designer is telling me there's no way she can give me the jpeg in 1024width. So how do I set it to 1024oix widthi?? By scaling the whole image in indesign manually and export? I am trying to avoid doing that coz it might mean more work for my designer. But if that's the only way, i guess i will just leave it. thanks



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by:cj_1969
ID: 16827101
If the image you NEED is the same DPI as what is being exported and you need it larger then there are 2 options.
1. Resize the original image so that it is the final size you want
2. Resize the JOG after is is exported.  When resizing, you can keep the same resolution but it will become more grainy, there is no getting around this.  If you keep the same DPI and increase the size of the image then the scaling algorythm is going to have to fill in all those extra pixel spaces with something.  It will look at the pixels next to the ones it has to fill in and kind of merge those color pixels into the "empty spaces".

You lose nothing in trying this last one.  Just take the eported image and use Photo Editor that comes with Office 2000 (or older, not newer) or Paint (not as good but it should work) and resize the image ... see how it looks.

I don't have InDesign so I don't know if this will work ... but, can you export to another file format that has a higher resolution and then convert that to JPG?  From what I read InDesign can export to PDF, this might work.  Being an Abode product it must have other export file types, see if one of them has an option for exporting to a higher resolution ... there are lots of apps out there that can convert just about anything to a JPG if you can do that.
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by:tariez
ID: 16827275
Hi

thanks. I think resizing it after export isn't going to work coz it's just going to make stuff look grainy. I do design, just that I dun use InDesign so i know wat's the effect of stretching the image. that's also wat we are avoiding to do. anyway thanks!

and yup we are already exporting as PDF. it retain the quality just need to do conversion when we need it as JPEG in Photoshop. I am just wondering if we can export as high quality JPEG directly in InDesign since JPEG is wat we need ultimately. Just look like we can't skip the extra steps of conversion. How inflexible of inDesign.

Alright think i got the answer I want. thanks!
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