Sunday, January 25, 2009

Photoshop - Discover the Art of layering

By David Peters

A perfect photograph is constituted of a number of elements light conditions, the amount of exposure and selecting the ideal lens and the filter.

However, it so happens that despite these measures, the image does not always figure the way you imagined it to be. Re-shooting the image is not a very viable option, given the large investments in terms of time and money the process calls for. And hence we are lead to the art of editing. A device widely used by conventional and digital photographers, alike, editing software allows you to rework your image until you achieve the exact results you were aiming for. And as time and technology have advanced, many new kinds of software have been developed, of which Adobe Photoshop is undoubtedly one of the most prominent names.

Despite all the benefits that editing software has to offer, many photographers refrain from using this tool for anything more than a few basic touch ups, for fear of compromising on the image quality. Adobe Photoshop does away with this challenge as it does not burn your changes onto the original image, like many other editing tools, but allows you to work on your image without altering your image itself. This remarkable feature is attained by the use of Layers, which, like transparencies, divide your image into different parts, each of which is overlaid on a layer. These layers, when stacked together, recreate the original image. Thus you can work on only specific parts of your image without altering the appearance of the remainder, as your effects will be limited to the specific layer you choose to apply them to.

Hence, if you have a picture which is overexposed at certain parts, you can focus on building density and modifying the color of that particular layer, until it blends in with the rest of the image. And if your judgment is not wholly accurate at the first go, you can also choose to undo the effects in parts until you reach the phase which is workable and take it from there. This is because, you are undoing, not the overall effect of the image itself, but only of the particular layer or even a section of the layer, thus saving you from investing a lot more time and effort which redoing the entire image would have called for. Here, you can also experiment with the Multiple Undo option which lets you experiment to your hearts content and yet stick with only the changes which are appropriate to your final image.

If you make a complete mess of the image you are working on, don't panic! Photoshop lets you undo all the changes you have made and redo your image, after having learnt from the experience all this, without an iota of damage to the image quality. You can even pause to analyze the overall appeal of your image, even while you are working on it by simply turning off the visibility of the layer you are working on and then turn it back on, when you are ready to get back to work.

Photoshop lets you choose between two alternatives when it comes to creating your personalized layers. You can either start at the Layer Menu and choose an adjustment layer from the New Adjustment layer Sub-Menu or click on the Layer Palette icon which enables you to choose a layer adjustment type from the pop up menu. To save on time and effort in future, you can even save the layer adjustments to apply them on further images in future without having to worry about if you'll achieve the same results.

It also helps if you label each layer with a distinctive name, so that shifting from one layer to another is not a very bothersome task. To do this, you can double click on the Layer you are working on where you can enter the title you've selected for your layer in the Name field and then click OK to save the name. You may also want to hide all the other layers except for the one you are working on, to help you focus better, to do which, you need to click on the eye icons next to each unwanted layer to make them disappear. To bring them back on, click on the eye icon again and there you go! You're all set to work on your next layer.

If you find yourself flooded with more layers than you can handle, you can delete the ones you don't need, while keeping the others which you plan to work on just as they are. If you like, you can also merge layers into a single layer by clicking on the layers you want to merge and then choosing the Merge layers option in the Layer Menu. If you plan to master Photoshop, it is vital you learn the finer nuances of layers to make the most of your software as the clich goes, the results will be for all to see!

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