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PostPosted: Sun Jun 26, 2005 10:23 am 
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I saw this tutorial at http://www.pixel2life.com/ (it was photoshop tutorial so I converted it). http://v2.hestudios.net/index.php?v2=photoshop/mosaic. Its pretty much the same till about step 7.

Scroll to the end to see the original and final results.

Step ONE:
Open up a picture. I chose one 640Xx480px (all imgs are scaled by 50% to save space, except the original and final) I downloaded it from http://www.morguefile.com.

Image

Step TWO:
You will need three layers. The top layer should be transparent and the bottom two should be the image (duplicate the background layer).

Image

Step THREE:
Now, with background copy layer selected go to Filter > Blur > Pixelize. Set the width and height to 10X10. You can use a different width and height but for this tutorial the following step is dependent on 10X10.

Image

Step FOUR:
Create a NEW IMAGE 10X10px in dimension. If you used a different pixelize w&h then use that. Now create the pattern below and save "name".pat in your patterns file.

Image

Step FIVE:
Now back to the first image, select the transparent layer. Select the bucket fill tool. Now, in your Tool Options Dialog set the FILL TYPE to PATTERN FILL. Refresh your patterns and use the newly created pattern.

Image

Step SIX: (OPTIONAL)
You can reduce the transparent layers opacity to give it a better effect, try 25%. Then you want merge that layer down with the pixelized layer.

Image

STEP SEVEN:
Now create a new layer. Fill with black or white, which ever is easier for you to see things with and then add layer mask, Layer->Masks->Add Layer Mask (WHITE FULL OPACITY). I used black and will call it the black layer.

Image

STEP EIGHT:
Now make your original background visible and the others invisible (uncheck the eye). Now with your FREE SELECT TOOL (LASSO). Select the objects you want to appear throught the mosaic grid. I choose that guy cause he looks like he is having a bad day and the clock stuff just because. Don't worry about getting the selection exactly right.

Image

STEP NINE:
Selection looks terrible right? Who cares, we got skills and we'll fix that. Now make your black layer visible again and select the layer mask. Fill the selection with the color black.

Image

STEP TEN: (OPTIONAL)
Now we could just stop here but were not (ocd I guess). YOU CAN JUST LEAVE IT! You won't even notice the edges when we get done. I just have SHAAKKKYYY hands and can't free select objects that well, so there a little for me to clean up.

Now here is where we fix are edges (NOTE YOU WILL WANT TO LEAVE A LITTLE SPACE, like 2 or 3 px, AROUND YOUR OBJECT, DON'T GET IT TOO PERFECT). With the layer mask still selected go around your objects with the pencil or brush using the color black to add objects from your background and the color white to remove them. I like to zoom to like 800% and use a small brush of like 5 or 3 pixels. BUT WHATEVER! Here is what I ended up with, a little better.

Image

STEP ELEVEN:
Now do a SELECT ALL on your layer mask, then copy it (ctrl+c). Hide your black layer and Show your pixelized layer. Select your pixelized layer and add a layer mask (whatever WHITE FULL OPACITY WILL DO). Then select your new layer mask. Then paste, then anchor your floating selection. You should see something like this.

Image

STEP TWELVE: (OPTIONAL)
You could just leave it like that, BUUUUUUTTTTT we won't. Now with your pixelized layer's layer mask selected, do a Filter->Blur->Gaussian Blur. I did RLE 15X15 but it doesn't matter really choose what you fill is best.


Final:
Image

Original:
Image


I hope you like the extended version of the tutorial. The images aren't perfect but you get the idea. Use a smaller grid size to keep more of the background detail.
You can do plenty other things like use a zoom blur instead to create a different effect.
The layer mask skills will help do many other tricks like changing your photos of bad vacations to photos of vactions at some resort island.

NC




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PostPosted: Sun Jun 26, 2005 6:14 pm 
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Thanks, NC. I've been playing with a very similar effect lately. Good tutorial.

A



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PostPosted: Mon Jun 27, 2005 8:05 am 
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Very well detailed tutorial, thanks for sharing NC.

btw, I have added your tutorials to pixel2life :h:

regards



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PostPosted: Mon Jun 27, 2005 8:20 am 
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Definatly something I'll be thinking about.


Thanks.



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PostPosted: Mon Jul 04, 2005 5:02 am 
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Really good detail



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PostPosted: Mon Jul 04, 2005 6:31 pm 
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Nice tutorial, very effective.



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PostPosted: Wed Aug 03, 2005 9:19 am 
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nice tutorial

i whipped this one up in about 10 mins, its nowhere near finished but it gives a nice effect

Image



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PostPosted: Sat Sep 17, 2005 5:25 am 
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I did this one quickly, and these are my results....
Tiled:
Image
Original:
Image
I'm not that great with the lasso tool because I have very unsteady hands. :h:



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PostPosted: Sat Sep 17, 2005 1:50 pm 
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I like the way it makes the guy in the foreground really stand out. This is a very good tutorial.

I have a friend who has a related tutorial on his website which uses Lego bricks as the tiles.


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PostPosted: Sat Jan 14, 2006 1:27 am 
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Thats a friend of mine.
Image

Great tutorial. Didnt know you GIMP was so amazing. I guess you just have to know how to work with it. :l:


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PostPosted: Thu Feb 09, 2006 12:50 am 
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I was browsing pixel2life for something like this... The only thing I don't understand about this is making the pattern... Explain please?

I made a 10x10 new image in GIMP saved it as "Mosiac.pat" under GIMP 2.0>shared>2.0>Patterns

When I try to use the bucket tool using patern fill the Mosiac pattern isn't there that I saved :c:?



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PostPosted: Fri Feb 10, 2006 6:48 am 
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i like, thanks very much.



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PostPosted: Fri Feb 10, 2006 2:12 pm 
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Cool!
I liked very much this effect. :l:
Congractulations.



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PostPosted: Fri Feb 10, 2006 11:13 pm 
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Ok, I managed to get all the way to step ten.

But... right when I got to step 11. I went to paste the picture and I got this http://img70.imageshack.us/img70/1583/wronggimp6xe.png

Help? I'll be back later. I g2g to church.

*Edit* I got it, but I used a totally different tenique to do it... I only used 3 layers. Background the copy and the transparent.. Which I merged. Oh, and one layer mask.

I guess you could say I "stupified" it for myself :m:.

Imageshack isn't working for me now... I'll post my results later.



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PostPosted: Sat Apr 15, 2006 9:40 am 
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Yikes, i wish i made it as far as step 10
I'm stuck at step 4, i have no idea how to take the transparent layer and use it to create a pattern, please help!



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PostPosted: Sun Jun 11, 2006 4:34 pm 
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i'm stuck on making the pattern too :o:
Edit - Oh i get it now..make a 10x10 pixel image (transparent), zoom in, draw a black outline and save as <name>.pat



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PostPosted: Sat Dec 09, 2006 12:34 am 
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I thought that would have helped me...and it almost did...but i'm using stupid evil fedora and it won't let me save the .pat file in anywhere useful (aka i cant find a single GIMP folder in my entire system. So I have to once again ask if anyone can help me...pleeease?
Jim



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PostPosted: Sat Dec 09, 2006 1:26 am 
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never mind...i made it work!
Took me a while but i got there eventually(with help from my genius flatmate)
Thanks!
Jim



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PostPosted: Wed Dec 13, 2006 11:55 pm 
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It just gets worse. I got the pattern snd everything, but...
every 3rd line of my pattern it missing, so there is a mix of oddly sized squares. I cant do anything to fix it!
Any suggestions?



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PostPosted: Fri Jan 12, 2007 10:09 pm 
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Quote:
Step FIVE:
Now back to the first image, select the transparent layer. Select the bucket fill tool. Now, in your Tool Options Dialog set the FILL TYPE to PATTERN FILL. Refresh your patterns and use the newly created pattern.


How do I refresh my patterns? Someone tell me :(



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PostPosted: Sat Jan 13, 2007 12:16 am 
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Click the refresh button on the patterns tab, it's the one next to the wastebin and looks like if has two semi-circular arrows on it.


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PostPosted: Wed May 09, 2007 3:42 am 
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In the step nine i can't show more parts of photo from background with pencil or brush tool.

How can io do this?


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テつク.テつキテつエテつク.テつキ*テつエテつィ) テつク.テつキ*テつィ)
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PostPosted: Mon Sep 03, 2007 4:35 pm 
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I think I have an easier way: how about just copying the original layer, pixellizing one of 'em, apply a transparent layer mask to it, and just brushing over in white what you want to show. The border can be used in it though. Maybe I'm rushing through important steps! I just use the same tutorial, or something like it, for selective coloring. Great tutorial.

New addition:

Image


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PostPosted: Tue Sep 04, 2007 2:51 pm 
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Quote:
The layer mask skills will help do many other tricks like changing your photos of bad vacations to photos of vactions at some resort island.


Here's something I just made with your quote, I turned an astronaut into a wooden mannikin:

Image


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