Monday, December 23, 2013

Graphics Tablet for a photographer in practice - Part VII - SwiatObrazu.pl

In the last episode of our series, dedicated to the use of tablets in the work of the photographer and editing your photos, dealt with the simple technique of creating photographic images with shallow depth of field. We announced it at the time that the next step in this area will show more advanced techniques that may be useful in difficult situations. Today we want to fulfill that promise and show you how to use the tablet quite easily be processed photographs with more complex structure plans.

example of portraits from two weeks ago was – at least in theory – very easy to make. We had a portrait of two clearly separated from each other plans. On the first girl and the bridge, on the other distant background. The difficulty was to the level of complexity required to create a mask in this tablet really helped us. The reality, however, is not always so simple, because by then we announced that the next time we do this same task, but in the version without comparison more complex – some plans focus and a smooth transition between them. Used for this purpose will also be more advanced and giving much better results than the Gaussian Blur filter tools of Photoshop CS6.

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In this tutorial, the same technical comments, which previously: not always possible to do a good illusion of shallow depth of field. However, in contrast, we did two weeks ago, the new techniques are more versatile and do not require such complicated operations with several layers of the image. This does not mean, however, that it will be easier. On the contrary, the mask image will need to draw very carefully and with maintaining the correct order of operations. Here, too, the specific features that make a graphic tablet as a useful device, will show its usefulness.


Photo

As the task ahead with the assumption already is not easy, the picture used as an illustration is an example of a photograph taken purely for the purpose of the workshop – mainly in order to save yourself additional operations. Although, as we become sure, well done edition is able to turn correct, but ordinary composition into something much more interesting, and at the same time to mask some bungle – such as the very successful control of what is going on in the background.

Camera: Olympus E-420 /> Author class=”c27″> Lens: ZUIKO DIGITAL ED 40-150mm 1:4.0-5.6 length: 40 mm
Exposure: 1/160 sec, f/4.5, 200 ISO
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class=”c30″> photograph was taken in the park has a simple composition based on three or even four plans (three determined by trunks of trees, the fourth is the background). Would be a grateful example of the use of low depth of field, if not for the fact that during the shooting aperture was too small, and the focal length of the lens for short. (Photo Agata Zachwieja)

photo theme is autumn composition composed of three tree trunks standing at a distance from each other on far too interesting background. Unfortunately, in this case, blur the background would not be the best idea – the effect (acute trunks and soil to the track in the background and blurred background) would be very natural. You have to simulate this effect, which would give low depth of field, in fact. So picture diffuser gradually as the distance from the point where you set the focus. And in both the background and the camera.

doing all this technique similar to that described two weeks ago we would get very good results. Therefore, this time we use the other tool – in principle developed for this purpose. It is photoshopowy filter called Lens Blur , translated into the Polish language rather awkwardly as Lens Blur .

Reached

hardware and software

In contrast to the example of its predecessor, this time not do without features in more advanced graphics programs. That is why the platform timeline in this case is again Photoshop CS6 (version for Windows, but it just does not make much practical significance).


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class=”c30″> most striking feature of Wacomów Intuos Pro is a rich set of fully programmable buttons make working with graphics programs without using a keyboard and mouse. Located in the middle of the wheel controller can handle up to four different functions, such as zoom out / zoom, adjustable brush sizes, etc. (Fig. Wacom)

Because PS CS6 is typically a professional tool to carry out all the operations used this time is tablet Wacom Intuos professionals Pro (medium version). It was also a choice dictated by the practice – the work was necessary both high precision operations, as well as access to a large pool of tools. This second possibility has given us extensive control panel of the device.


proposal software configuration

As necessary to carry out actions include, in principle, the use of one filter, our task seems simple. Nothing further from the truth – before it can generate a low depth of field effect, we need to prepare a suitable mask image – much more complex than those so far did. We will need painting tools, color picker options to make selections and correct these selections.


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class=”c30″> Ability to configure a much larger number of buttons and knobs allowed the resignation of the need to set up a circular menu. All necessary functions are assigned to the control panel constantly available at your left hand.

task awaiting us tablet settings require so quite a serious remodel. The slightest change will pen options – upper button assigned function Move / scroll , which will facilitate the work of the enlarged portions of the screen. For the ExpressKeys chose the previously mentioned features, ie selection tool (key [W]), color picker or eyedropper (key [I]), as well as painting tools (key [B]). Also useful options fill color and gradient (key [W]). We have not forgotten about the function Step back (combination [Ctrl] + [Alt] + [Z]) (some may instead choose to Back , or [Ctrl] + [ Z], through which can be performed, although only one step, but also further her choosing to return to the state before the withdrawal. Below we have added standard modifier the utility, which is the [Alt] key, because it is necessary to correct selections. could use is also access to the Feather edge of the selection (combination [Shift] + [F6]). remaining modifiers we will not need. Lastly, not assigned to anything button can be used for any purpose – for example, we run the necessary Lens Blur filter (it does not have a keyboard shortcut, should be attributed in the program settings in a way analogous to that presented in the first part of the cycle) or to enable or disable Quick Mask (key [Q]).

When it comes to the Touch Ring for him have selected the following tasks: a function Zoom shortcuts to switch the active layer (key combination [Alt] + [square brackets]) and choice between the layer and its masks (combinations [Ctrl] + [2] and [Ctrl] + []), which is a solution in this case has the advantage of the operation implemented using the mouse, it does not results in the activation layer that is turned off. The last function was to adjust the brush size (keys in square brackets).

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