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Tutorial How to Resize Images

Discussion in 'Fan Art' started by WoxandWarf, Dec 3, 2012.

  1. Put this thread up for one of the contests, because a lot of people seemed to need the info.

    Feel free to contribute more!
    Step 1: Click 'Image' on the top left bar.
    [​IMG]

    Step 2: On the drop-down list, click Resize. It's the second option.

    Step 3: On the window that pops up, select the drop-down list for Resampling, and select the 'Nearest Neighbor' option.
    [​IMG]

    Step 4: Choose your resizing method. If you want it five times larger, for example, choose 'By percentage:', and set the percentage to 500%. If you want it to be 300x550 pixels, choose 'By absolute size:', and set the pixel width and height. One thing to note: Keep 'Maintain aspect ratio' checked. Otherwise, you might set your new size to distort the original picture. Good luck!
    @Suika Ibuki contributed this!
    Thank @zooey for this tutorial!
    The quote broke, original post is here.

    1. Click on the "image" pull down menu
    [​IMG]

    2. Select 'scale image'
    [​IMG]

    3. This window will come up. In the circle, you can pick the units you want to use; I like resizing by percent, but that's just personal preference.
    [​IMG]

    4. Select 'none' in the 'interpolation' field. This way, GIMP won't do any guesswork on the resize, and you won't get any of those little pixely artifact marks.
    [​IMG]

    5. Then click 'OK'.
    6. Occasionally, if you resize by an odd number (like 133%) some of the rows and columns will get an extra pixel. Like say your sprite used to be 1 : 1, then you resized it so pixels were now 4 x 4, you might find that some rows and columns (in their entirety) are now 5 x 5.

    In this case, you can either use the rectangle select tool to delete the extras, then grab the pieces and put them back together, or undo the resize and pick a different value.

    *Note: if you want to resize just one layer, rather than the whole image, start with this:
    [​IMG]

    ...then follow steps 2 to 6.
    This tutorial was also contributed by @Suika Ibuki.
    Torrle posted another method, and as I have no idea how Photoshop works at all, the more guides in here the better!
    @blind sniper was the contributor of this tutorial!
    @Sgt. Sprocket contributed this guide for Microsoft Paint.
    And a bonus: Resizing gifs!
    Thank @Suika Ibuki for this guide!
     
    Last edited: Aug 4, 2014
  2. Sgt. Sprocket

    Sgt. Sprocket Spaceman Spiff

    Only because I love PAINT.NET.
    Best program ever.
    And if you don't have it or are to lazy to get it just give me your picture and tell me how big you want it.
     
    Magma Claw, NiosDark, Yaxlat and 3 others like this.
  3. There goes everyone actually doing work for themselves...:rofl:
     
    MiniCoder, NiosDark and Sgt. Sprocket like this.
  4. Sgt. Sprocket

    Sgt. Sprocket Spaceman Spiff

    Hey, a lot of things I have I didn't do, so I am repaying the favor.
    And besides, I get paid in gum for doing this :X
    (jk I am not, though I wish I was....)
     
  5. Killer Snowman

    Killer Snowman Scruffy Nerf-Herder

    Glad you posted this for everybody. I for one appreciated it.
    And Paint.Net really is the only picture editing tool you need. I think there's a way to set up a grid for you pixel art guys...
     
    MiniCoder, NiosDark and WoxandWarf like this.
  6. Sgt. Sprocket

    Sgt. Sprocket Spaceman Spiff

    I think it's view -> Pixel grid
    I just use the rulers, though, the grid kind of annoys me a bit.
     
    NiosDark likes this.
  7. Resizing with SAI is for hipsters

    >Zoom in to desired size [Zoom out doesn't work well unless it's an already 'enlarged' sprite]
    >Take screenshot
    >File>Create from Clipboard
    >Crop as desired
    >????
    >Profit
     
    Sadorath, S7R1DER, NiosDark and 5 others like this.
  8. zooey

    zooey Hard-To-Destroy Reptile

    Ohh, I'll do a GIMP one. Gimme a second...

    Edit1: Wox, you should've put this in the fanart section!
    Edit2:

    1. Click on the "image" pull down menu Step 1.png
    2. Select 'scale image' step 2.png
    3. This window will come up. In the circle, you can pick the units you want to use; I like resizing by percent, but that's just personal preference.
    step 3.png
    4. Select 'none' in the 'interpolation' field. This way, GIMP won't do any guesswork on the resize, and you won't get any of those little pixely artifact marks.
    step 4.png
    5. Then click 'OK'.
    6. Occasionally, if you resize by an odd number (like 133%) some of the rows and columns will get an extra pixel. Like say your sprite used to be 1 : 1, then you resized it so pixels were now 4 x 4, you might find that some rows and columns (in their entirety) are now 5 x 5.

    In this case, you can either use the rectangle select tool to delete the extras, then grab the pieces and put them back together, or undo the resize and pick a different value.

    *Note: if you want to resize just one layer, rather than the whole image, start with this:
    step 1b.png
    ...then follow steps 2 to 6.
     
    WickedWitch, NiosDark and Ghostar like this.
  9. Ghostar

    Ghostar Steakeater

    I like this idea, a tutorial topic teaching how to resize images and such. If we can get a tutorial on all of the most used programs I would be happy to sticky a topic like that.
     
    Sadorath, NiosDark and WoxandWarf like this.
  10. Sgt. Sprocket

    Sgt. Sprocket Spaceman Spiff

    Name some programs we are missing and I can try to do it...
     
    NiosDark likes this.
  11. Adobe Photoshop [CS5-CS6, possibly previous versions too]
    >Image>Image Size
    >Check Resample Image
    >Check Constrain Proportions
    >Set Resample Image to Nearest Neighbor [Dropdown box]
    >Resize image [Using percentage is easier and does not require as much math]
    >????
    >Profit
     
    NiosDark likes this.
  12. My two cents for GraphicsGale:
    >All Frames>Resample
    >Check Keep Aspect Ratio (Checked by default)
    >Uncheck Smooth (Checked by default)
    >Resize image [Just like Suweeka said above]
    >No profit at all:cry:
     
    S7R1DER, NiosDark and Affero like this.
  13. Trentzor91

    Trentzor91 Void-Bound Voyager

    Thank you so much!! :DD
     
    NiosDark likes this.
  14. Thanks for the help, adding to OP.
     
    NiosDark and blind sniper like this.
  15. Sgt. Sprocket

    Sgt. Sprocket Spaceman Spiff

    On Topic: Wow, 90% of these programs I have never heard of.
    Off Topic: Wox you better let me be your 1000th liker....
     
  16. I have 970 likes? Dang. :saywhat:

    And yeah, I've never heard of SAI or GraphicsGale :rofl:

    Oh, and zooey...
    I deliberated a lot over where to put it. I was thinking of putting it in the contest section actually. Who would I contact to get it moved? Just any moderator/admin, or someone specific?
     
    NiosDark and Sgt. Sprocket like this.
  17. Sgt. Sprocket

    Sgt. Sprocket Spaceman Spiff

    No, any mod/admin will do. Just tell them where you want it moved.
     
    NiosDark and WoxandWarf like this.
  18. Thanks for all your help, everyone! The OP is now updated, if I messed anything up please let me know and I'll fix it!
     
    Torrle and NiosDark like this.
  19. Sgt. Sprocket

    Sgt. Sprocket Spaceman Spiff

    I'll do ms paint because a lot of people actually use it and it is a good program for beginner pixel art.
    Prepare yourselves for the simplest tutorial ever:

    1-Click on the "Home" tab and click on "resize", like paint.net you can use % or define a custom size
    2-Click on the boxes outside the canvas and drag it around

    :DD
     
    NiosDark and zooey like this.
  20. We're stickied in the Fan Art section now! :DD

    Thanks again to everyone for contributing to this, although I did post this a little late for it to be of use in the contest :rofl:
     
    NiosDark likes this.

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