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  1. #1
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    Angry Wanting to start a Sketchbook but......

    When I uploaded the pictures to the thread they were humongous! So I went into Photoshop and re sized them down and they were still big when I re-uploaded them! Does anyone know how to fix this? I have a scanner I use because it has better quality than a photo but I don't want to rip my pages out of my sketchbook to scan them so how do I do this?


    P.S Just in case your wondering the drawings I scanned were on just printer paper that's how I could scan them.

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  3. #2
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    did you check the DPI when you re-sized them? Most scanners are scanning higher than 72 DPI. Pictures on here look good at 600 to 800 pixels across the longest side at 72 DPI

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  4. #3
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    Did you insert the new pictures in the post?

    "Great job guys! I love you. You're fired."

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  5. #4
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    Well, I always resize my pictures with this after scanning them in :http://imageresizer.codeplex.com/
    It's incredibly useful and you can resize all the pictures you need to all at once by highlighting multiple files. Like Dpaint said, resize them to like 600x800 pixels.

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  7. #5
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    What dpaint said.
    Reduce your image to 500 pixels (in your case) and change your current 300 dpi images to 72--*with ‘Resample Image’ unchecked (recheck it when done).

    A quick way, in Photoshop, would be to reduce the pixel size to 500 and then save image under ‘Save for Web…’. Saving for web will make your images 72 dpi.

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  8. #6
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    Quote Originally Posted by Nexuun View Post
    Well, I always resize my pictures with this after scanning them in :http://imageresizer.codeplex.com/
    It's incredibly useful and you can resize all the pictures you need to all at once by highlighting multiple files.
    Yeah, that DOES look useful!

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  10. #7
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    If you want to resize many pictures and quickly then try Fast Image Resizer.
    http://adionsoft.net/fastimageresize/

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  11. #8
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    Does it really matter to change the DPI?
    As far as I know the only thing here that´s important is to set the width/height pixels. It doesn´t matter if it is set to 72dpi or 300dpi. The width/height in pixel is what counts on a monitor.

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  13. #9
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    yeah, but it's stupid to post an image in more than 72 dpi (+-) in the web, because, first, you won't see a difference if you put more, second, the size of the image (kb) will be bigger and consequently will take more bandwidth and load slowly.

    Edit:
    (this is wrong, see bjoern3000 post bellow.)

    Last edited by pegasi; December 5th, 2012 at 12:42 PM.
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  14. #10
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    check file size, think it needs to be under 1.25mb to upload

    Edit to add

    Click on Go advanced post mode then paper clip and then ? in top right of uploader pop up for file types and size

    Example 1.43mb for png

    Last edited by Charlie D; December 5th, 2012 at 11:41 AM.
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  15. #11
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    pegasi - no this is not the case. It absolutely doesn't matter if the picture is 500px wide and set to 72dpi or 500px wide at 300dpi. Neither the size of the displayed image on the monitor nor the filesize change (see the pictures attached with 72dpi, 300dpi and 3000dpi).

    500px wide with 72dpi - 243.3kb
    Name:  500pxwide_72dpi.jpg
Views: 461
Size:  243.3 KB

    500px wide with 300dpi - 243.3kb
    Name:  500pxwide_300dpi.jpg
Views: 464
Size:  243.3 KB

    500px wide with 3000dpi - 243.3kb
    Name:  500pxwide_3000dpi.jpg
Views: 460
Size:  243.3 KB

    It is just an information written into the file for a printing machine.

    Last edited by bjoern3000; December 5th, 2012 at 11:46 AM.
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  17. #12
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    Bjoern speaks truth. Your monitor thinks in pixels, your printer thinks in dots per inch. Worry about pixels when you're formatting for the web; worry about dpi when you're formatting for print.

    I was once on the receiving end of a critique so savagely nasty, I marched straight out of class to the office and changed my major (sketchbook).
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  19. #13
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    fuck, thanks for the enlightenment bjoern3000.
    Good info here:
    http://www.rideau-info.com/photos/mythdpi.html

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  21. #14
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    yeah, my bad. As soon as he said scanner I jumped to thinking about scanning to print not post. Senior moment.

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  22. #15
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    [cough] Senior[ cough] moment, too.

    Saving to 72 dpi at the intended pixel size, to start, might save someone from a resampling accident.

    I guess I work in print too much, where clients may want 300 (typical), 450, or 600 dpi final files, so I see the reverse happen, though it’s software related. E.g., a 600 pixel wide image at 72 dpi imports into a 300 dpi Illustrator file 4.17x larger than the same 600 pi wide image at 300 dpi. So I tend to be unreasonable dpi conscious.

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  23. #16
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    Where people get confused is when they look at the size in inches or centimeters instead of pixels... If your scanner is showing inch or centimeter measurements by default instead of pixels, then yeah, you can end up with images larger or smaller that you expected depending on the DPI settings. 9x12 inches at 300 DPI has more pixels than 9x12 inches at 72 DPI, so it displays bigger on a screen.

    So just check the DPI and the pixel dimensions of your scans, and change whichever is easier to get the pixel dimensions you need - 800px to 900px max on a side is decent for web display.

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    Quote Originally Posted by bjoern3000 View Post
    pegasi - no this is not the case. It absolutely doesn't matter if the picture is 500px wide and set to 72dpi or 500px wide at 300dpi. Neither the size of the displayed image on the monitor nor the filesize change (see the pictures attached with 72dpi, 300dpi and 3000dpi).

    500px wide with 72dpi - 243.3kb
    Name:  500pxwide_72dpi.jpg
Views: 461
Size:  243.3 KB

    500px wide with 300dpi - 243.3kb
    Name:  500pxwide_300dpi.jpg
Views: 464
Size:  243.3 KB

    500px wide with 3000dpi - 243.3kb
    Name:  500pxwide_3000dpi.jpg
Views: 460
Size:  243.3 KB

    It is just an information written into the file for a printing machine.
    Right...but here's the third part of the equation you left out...and it is critical...the physical dimension size of the image. Just so people don't think these are all the same...
    Top image at 72dpi has a physical printing dimension of a litle under 7 inches wide
    Bottom image at 3000dpi has a physical printing dimension of less than 1/4 inch wide

    I always advise the practice of working at print resolutions (300 dpi), in whatever physical dimension and aspect ratio you want (9"x12", A4, whatever) and then making a smaller web display version with a new name. So the working file may be Horses_1_300.psd - then simply duplicate and save the display version to be Horses_1_72.jpg.

    Just to clear that up because it is a three part equation: dpi, physical dimension and memory size...not just information written in the file for printing.

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  26. #18
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    Thank You to everyone that posted something. Very much appreciated! http://conceptart.org/forums/showthr...-of-A-Beginner

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    Thank you to everyone for helping Sketchbook.

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  28. #20
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    Quote Originally Posted by JeffX99 View Post
    and it is critical
    At least not for this topic.

    Naming my files in the way you described is something I also do.


    A tutorial on all these things would be great. Because I often see threads about "in what resolution do you paint digitally", "do you work in CMYK from the beginning on" ect. There is a great eBook that´s free but unfortunately it is in German. It´s about PDF and Colormanagement where all these and other things are described in detail. (for the Germans: http://www.cleverprinting.de/freeloads.html ). They go into detail with screen calibration, Color Management in the Creative Suite, InDesing, Photoshop ect. I guess it´s also a good thing for non German speakers since there are a lot of screenshots from those programs.

    There is also a paid printed version available, where they printed on different types of paper to make things clear and which you can´t see (obviously) on a screen. Very handy thing to have.

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    I used to work with a guy who came to the video game industry via designing newspaper ads. He could never get in his mind that dpi was not important and we did things in pixels. I'd ask to resize something to 800x600 and he'd ask me"pixels or inches?" and it would drive me nuts. Because every time he asked I'd ask him if I had EVER given him a size in inches and he'd say no. And then I'd ask him why the f$% I would need something 800 inches wide! But he still asked me the next time, inches or pixels? How many dpi. It was like working with an autistic 4 y.o.

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  30. #22
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    Of course, now we have Retina displays, which pretty much ARE print resolution. So we're back to drawing everything way bigger than the final display dimensions, just like we did for print. It gets... Interesting. Sometimes you have to do multiple hi-res and low-res versions to make your images cross-platform.

    (It's almost as annoying as the 256-color days when you had to save alternate versions of everything with Mac and Windows palettes.)

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    Quote Originally Posted by Qitsune View Post
    …I'd ask him why the f$% I would need something 800 inches wide! But he still asked me the next time, inches or pixels? How many dpi. It was like working with an autistic 4 y.o.
    An 800 px wide image is 800 inches wide…

    at 1 ppi (dpi).

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  32. #24
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    Quote Originally Posted by bjoern3000 View Post
    At least not for this topic.
    Sure it is. It always is since it is a component of the resolution equation. I was just trying to clarify something I feel is very important since your post implied it isn't a factor at all...just some information for printers. It's all information for printers...if you are going to print something.

    You posted good examples, I just felt it important that people didn't think they all are equal in all three ways and would all print the same.

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  33. #25
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    Quote Originally Posted by QueenGwenevere View Post
    Of course, now we have Retina displays, which pretty much ARE print resolution. So we're back to drawing everything way bigger than the final display dimensions, just like we did for print. It gets... Interesting. Sometimes you have to do multiple hi-res and low-res versions to make your images cross-platform.

    (It's almost as annoying as the 256-color days when you had to save alternate versions of everything with Mac and Windows palettes.)
    And that is why I'm now an expert at doing vector art in Photoshop. You never know when everything will need to be upresed.

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  34. #26
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    One of the hardest things in the world -- I bet I've done this a thousand times -- is trying to explain to somebody why a picture that looks awesome on-screen is going to look crap in print. Or be the size of a postage stamp.

    But you know what's even more heartbreaking? When one of those people goes ahead and prints a little 72 dpi thumbnail at 5x7, and it looks all soft and pixelly and junk, and he says triumphantly, "see! I told you it would print okay!"

    I was once on the receiving end of a critique so savagely nasty, I marched straight out of class to the office and changed my major (sketchbook).
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  36. #27
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    Quote Originally Posted by Stoat View Post
    But you know what's even more heartbreaking? When one of those people goes ahead and prints a little 72 dpi thumbnail at 5x7, and it looks all soft and pixelly and junk, and he says triumphantly, "see! I told you it would print okay!"
    "Pixels? Resolution? Look here, your job is to deal with the new-fangled technomalogical stuff." Even though your job is to, probably, not let things look like shit.

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    Quote Originally Posted by Stoat View Post
    One of the hardest things in the world -- I bet I've done this a thousand times -- is trying to explain to somebody why a picture that looks awesome on-screen is going to look crap in print.
    Whatever. You just need better software: http://www.youtube.com/watch?v=Vxq9yj2pVWk

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  39. #29
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    Quote Originally Posted by Cider View Post
    Whatever. You just need better software: http://www.youtube.com/watch?v=Vxq9yj2pVWk
    And NEVER EVER use a mouse!

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