Photoshop made easy

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Calvin

A Fixture
Joined
Nov 2, 2004
Messages
945
Location
Uhu?
The past week I see on the web a set of superb vignettes from Steven Zaloga, with some beatiful pictures as background. You know, I'm not a master in painting figures and digital photography, but I would like to share however my little knowledge about it.

Although I have not yet explored all its features, I must say that the camera I'm using is a little gem. It's a Pentax Optio S-50, 3x optical zoom, 5.0 megapixel, super-macro function up to 6 cm from the subject, etc., at a very reasonable price. I must confess I didn't read anything from the user manual, but something I understand clearly is about the white balance. The default exposure for most cameras is set to natural light, so when you take 'indoor' pictures, under artificial light, you must set the white balance to bulb light.

The following shows my little 'bonsai-workspace', taken with the white balance option set to natural light (wrong)

bonsaired.jpg


and to bulb light (right).

bonsaicyan.jpg


As you can see, the first picture tends to orange/red, while the second shows the right colors (the table is pure white and the wall is light blue).

As source, I use two bulb of 10W on the front and another of 50W on the upper. I don't know if this is the right environment, but it seems to work... All the lamps are masked with a thin tissue. Do not use the direct (unfiltered) light, it's too crude. Try also to avoid the flash usage, it always gives a non natural reflections. Last but not least, the autotimer option with a little tripod gives you a good chance to avoid blurred photos.

The cardboard on the background is required to control the light effects (dark colors tends to absorb the light, while bright colors reflecs it), and to provide the right base for the next step.

To process the picture with the Photoshop, it's essential to use a background cardboard with a different color in regard to the figure. In other words, do not use a black background for a german tanker, or a gray card for a confederate figure.
 
For those who never hear about the Photoshop, here comes the trick. This program treats the pictures as 'layers'. A Photoshop picture is always composed by one or more layers and your work must be done on a specific layer. Layers can be superimposed, with a different level of transparency, and every layer could have its own set of effect. Before doing anything, ensure that you are working on the right layer. Simply select the 'pointer' tool from the floating toobar (see below), go to the layers window and click on the layer you want to modify. Also remember that after using any tool from the floating toolbar, you must select again the 'pointer' tool. All the other are for a specific action. If you need to select, move or drag and drop layers, areas or entire pictures, you must select first the 'pointer' tool.

toolbar.jpg


I'm sorry, but the version of the Photoshop I have is in italian, so if something from the pictures is not clear, do not esitate to ask me about.

When done with the camera, load the picture with the Photoshop and make a copy of it, never work with the original. Click on the 'area select' tool icon on the floating toolbar, select the desired area by clicking and dragging the mouse pointer, hit CTRL+C and create a new picture from the Filemenu.

areaselect.jpg


When creating a new picture from the File menu, make sure the 'transparent background' option is checked on the New Picture dialog, click Ok and hit CTRL+V.

transparent.jpg


If you set the high resolution option on your camera, the resulting picture will be really huge, so select the 'magnifying lens' from the floating toolbar and click on the picture until the title bar displays the 100% ratio. Now go to the Image menu and select the Image Size option. Put a value for the width, 30 as example, and select the 'percentage' method (not pixels). Check the 'mantain ratio' box and click Ok. Your picture will be resized.

resize.jpg


If you are not satisfied with the result, hit CTRL+Z and try with a different value. Note that the CTRL+Z key only works for the last action, if you want to undo an entire sequence (more than one action), you must use the CTRL+ALT+Z keys. When resizing, always take a look at the ratio displayed on the title bar. To reduce or increase it, select the 'magnifying lens' tool (one click increase while ALT+click decrease).
 
Open now the picture you want to use as a new background, make it the active window (by selecting the 'pointer' tool and clicking on its title bar) and repeat the resize process to fit the ratio of the picture of your figure. When done, select the 'pointer' tool from the floating toolbar, click on the picture to be used as background and drag and drop it on the picture of the figure.

dragdrop.jpg


Before doing this, ensure that the Layers window is open. If not, go to the Window/Layers menu. The picture you drop will be placed on the top, hiding the layer of the figure, so you must go on the Layers window again and drag the icon of the figure up to the icon for the background (click on the 'level 2' layer and drag it up/over the 'layer 1'). This way the layer for the background will disappear under the layer of the figure.

layers.jpg


Also ensure that the layer for the figure is the active layer. Select the 'pointer' tool from the floating toolbar and click on the figure's icon on the layers window. Now select the 'magic wander' tool and click on the background of the figure, ensuring that nothing from the figure gets selected.

magicwonder.jpg


You can modify the tolerance of the 'magic wander' changing the default value on the main toolbar, under the main menu. If you are not satisfied with the default, try changing from 30 to 10. Depending on this value, the 'magic wander' will catch more or less pixels with a similar color. If you make a mistake, simply click with the 'magic wonder' on another point and restart the selection. When ready, hit the DEL key and repeat the process for all the remaining background areas, until the entire background of the figure disappears.

That is what you get at the end of the process:

result.jpg
 
Looking at the result, you will notice that the background picture (the forest) tends to green, while the figure tends to red. Dont' worry. With the Photoshop you can control the brightness, the contrast and the values for the three color channels (red, green, blue). Do not use the Automatic Levels option from the Image menu, because it tends to exaggerate, but spend some time to find the right balance by yourself. Select again the 'pointer' tool, go to the Layers window and click on the icon for the background to make it the current (active) layer. Open the Image/Setting menu and play with the Color Balancing dialog until the look of the background picture matchs the tonality of the figure.

rgb.jpg


Do the same with the Brightness/Contrast dialog, from the Image/Setting menu, and you will get something like this:

tanker01.jpg


Of course, there is a lot of effect you can experiment. For example, if you want to transform your final picture into a b&w one, do not use the 'Convert to Grayscale' option but try the Desaturate option from the Image/Settings menu.

tanker02.jpg
 
Some more examples:

tanker03.jpg


granadier.jpg


lutwaffe01.jpg


And now the final step. First, save your work in the original Photoshop format (.psd). This way you can take again the work without restarting the entire process. Next, export your picture for the web. Pick the 'area select' tool from the floating toolbar, click and drag the mouse pointer to define the area you want to save, as you do previously. When ready, DO NOT HIT the CTRL+C key. You must select the Copy Merged option from the Edit menu (or use the SHIFT+CTRL+C key).

copymerge.jpg


The CTRL+C only works on the current layer, while you must copy data from all the layers between the selected area. Again, create a New File from the File menu and select the Save For Web entry of the File menu.

lutwaffe02.jpg


Saving for the web means compressing your pictures. But be careful, the .jpg format is a data-loss format, so more you decrease the quality factor, more you compress and more you loss data. With a quality factor of 100 there are no losses at all, but the picture size is almost the same of the original. Generally, a quality factor between 60 and 80 is a good compromise.

That's all. Anyway don't rely on this pictures, these are only samples to show you what can be made with the Photoshop. Experiment by yourself, this is the only rule you must follow.

I hope you have enjoyed this little tutorial. If you have any questions, ask as you want.
 
Rocco complimenti,
il tuo italiano e' praticamente perfetto, anche per la costruzione della frase, quasi Manzoniano (ti manca solo la 'i' davanti a 'tutti'). Magari mi trovassi io allo stesso livello con l'inglese. Dal tuo nome suppongo che le tue origini siano italiane.

Personalmente credo che qualcuno dei tuoi meravigliosi soggetti romani sarebbe l'ideale per un fotomontaggio con la vista del Colosseo o dei Fori Romani.
Se vuoi che ti prepari io un anteprima con il Photoshop non hai che da chiedere.

Ciao, Luca
 
Caro Luca, mille grazie per i complimenti, il tuo Inglese e' magnifico e limpido.
Sono di origini Italiane , son molto orgoglioso e studente della nostra grande storia.

Son contento che ti piaciono i miei sogetti romani ,Accetto la tua offerta con gratitudine e ti ringrazioi molto.

Continua il suo buon lavore. ;)


Ciao

Roc. :)
 
Rocco, spero che tu non abbia niente in contrario e che non ti dispiaccia, ma non ho saputo resistere alle tue figure. Anche se non ne ho mai realizzato uno, i Romani affascinano anche me. Due esempi al volo, giusto 5 minuti di lavoro con il Photoshop.

I hope to do not annoy you, but I could't resist to your figures. Just two quick and dirty examples done in a hurry with the Photoshop. I've saved the .psd, if you want it.

Take a look here, sure you are interested...

If someone of you would like to make a quick change of its figure's background, just let me know.

Il legionario...
 

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Luca , ti ringrazio molto, le fotografie sono molto belle, per me L'Impero Romano e' una vera passione, tutto il mondo ammira la civilta' Romana.
Il governo Americano tiene un Senato come Roma e anche delle antiche legge Romane.
Vorrei il .psd se e' possibile.

Ti ringrazio per la tua gentilezza.


Ciao

Roc. :)
 
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