A Site for Photographers by Photographers

Community > Forums > photo.net > Technique > How can I design a poster made...

How can I design a poster made of small photos in PHOTOSHOP?

Razvan Frumosu , Dec 18, 2000; 01:37 p.m.

I am trying to put together a large poster (40x60) of smaller photos (2x3) or so. I have Photoshop and Corel but I have no experience in such things. Can you please give me some hints so I get it done for Christmas? :) best regards, razvan


    1   |   2     Next    Last

Chuck Fan , Dec 18, 2000; 02:18 p.m.

Are you talking about a poster where the small photos are arranged so they form a separate coherent pictures when viewed from far away? Or are just trying to put a lot of little pictures on a single sheet without regard to how the whole thing look from a distance?

Razvan Frumosu , Dec 18, 2000; 02:24 p.m.

Well, I would start small and just have an array. Innitially I wanted to form a coherent one but I realised I am so far from knowing how... If one has the time to explain both... regards r

Chuck Fan , Dec 18, 2000; 02:26 p.m.

If you don't care how the small pictures are arranged, then you can just creat a big canavas on photoshop, and cut and past and move your little pictures into position, and then save the result. Although be ready to have lots of disk space taken up. <p> On the other hand, if you want the whole collection to form an image of its own when viewed from far away, you will have a lot of work to do on photoshop. Basically, you need to first get the large image you are trying to achieve. Than you need to divide that image into as many sections as you have little pcitures. Now in photoshop, measure the average color and brightness of each section, then from your collection of small pictures, find one whose average color and brightness most closely match that section of the big picture. Past that little picture into that section. Keep doing that until you've pasted all the pictures.<p> There might be an commercial software that is specifically design to do just that. It would be much easier than photoshop.

Brad - , Dec 18, 2000; 02:55 p.m.

Actually, if you want to make a mosaic out of an existing picture using a collection of smaller images, there is a neat utility that can do this for you automatically. Check out Maczaic by Polar Orbit Software, http://www.polar-orbit.com. You do have a Mac, right?

You specify an image which you would like to render. You also specify a folder of smaller images that will form the larger image in a mosaic fashion. You choose the number of cells that will make up the larger image. It does all of the assembly and tinting for you.

Its very easy.

Andrey Tarasevich , Dec 18, 2000; 04:58 p.m.

I've seen a couple of mosaic posters where small pictures were chosen so that the lines of small picture participated in forming lines of the big picture in most "critical" places. In such cases the criterion for choosing small pictures will be much more complex than just the average brightness and tint. Quite possibly such posters are made through manual adjustment of initial version generated by computer.

Fabio gump , Dec 18, 2000; 07:23 p.m.

They way this guys sounds, he just wants to make a colage(sp) of photos. This isn't as dificult as a mosaic, and once you get started it can be rather simple to do.

All you have to do is a create canvas size to your liking and use the layer feature to put the smaller pictures in. I would go 1 picture=1 layer, yeah I know it will get teadious the more photos you put in. But it will give you a lot more options on photo placement.



Raffi Sanasarian , Dec 18, 2000; 08:00 p.m.


As long as you don't mind having your images randomly placed:

Actually this will place your images top to bottom, left to right alphabetically, so you could theoretically set the image names up beforehand and have them placed in an order of your choosing.

Go into Photoshop 5.x or newer. Have your images in a folder somewhere on your computer. Go to the File menu and choose "Automate..." then from the drop down list choose "Contact Sheet II". Set your parameters and tell it where your images are. Whalah.

I assume you do not have a printer that will output 40X60 so you should ask the print shop you are using what resolution to set your contact sheet. Or if you are going to print them and tape them together try around 150DPI or slightly higher (depends on your printer).

Then if you want a pattern or design burned into the mosaic just use the dodge/burn, or transparency to create it.

Good Luck. Merry Christmas - Happy Holidays all!


Jonathan Ratzlaff , Dec 19, 2000; 12:05 a.m.

Use photoshop and the layers feature. To keep the file size down flatten the image periodically. You need to decide how large you want the collage to be. If plotted you can get away with about 120 dpi otherwise the file size will kill you. This is a 98 Mb file. Create a canvas the printable size of your plotter at 120 dpi. You will then need to size each image 2X3 at 120 dpi. You then select and paste onto your canvas. Place the image where you wantmakeimg sure the images overlap a little bit or make your canvas black before you start. Spaces then will be black instead of white. (You can use any background colour you want. As you go merge the visisble layers to keep the file size down. To speed things up use a bit larger images or make some of the images bigger and then place smaller related ones around it.

Rik Allen , Dec 19, 2000; 04:16 a.m.

Andrey Tarasevich writes ...

Quite possibly such posters are made through manual adjustment of initial version generated by computer.

It isn't much more complicated - I got the effect by creating really small thumbnails for all the candidate images (I think I used 4x4 - created using mogrify from the image magic suite of tools), then for each (4x4 )region in the source image search the database of thumbnails for the best fit, computed by the lowest sum of the squares for the all colour components of all pixels (i.e. 48 terms). Composite the result useing larger (32x32 in my case) copies of the candidate images. Really crude and brute force effect, and you need some post processing to prevent the same tile appearing next to itself, but it took only an afternoon to get it to a workable stage.

I suspect you could get somewhere by using the first few terms of the DCT terms of a jpeg compressed image - which I think works by taking a 8x8 tile, then processing this to extract the most important features. It might be possible to use those features to match candidate images better than the approach I skimmed over above.

    1   |   2     Next    Last

Back to top

Notify me of Responses