tailieunhanh - ADOBE PHOTOSHOP FOR UNDERWATER PHOTOGRAPHERS- P4

ADOBE PHOTOSHOP FOR UNDERWATER PHOTOGRAPHERS- P4: In a matter of a few short years, the underwater digital camera went from a novelty item to the predominant method for taking underwater pictures. Never before has a technology advanced so rapidly. Thanks to digital, though, underwater photography has evolved into a shootto- edit process. | the new Spot Healing Brush as it also does a great job covering up small editing errors. O Nondestructive Repairs In all the previous examples we have shown you how to repair sections of images by working directly on the background image. If you want to have the ability to modify your editing later you need to work in the nondestructive mode. Once you select the area you wish to repair use the Ctrl Cmd J shortcut to create a new layer containing just your selected repair area. You can then continue working on your new layer using the techniques we previously mentioned. If at any time you want to reduce or remove the effect add a mask to your layer and use the black brush. Be sure to set the opacity level to selectively remove the editing from a specific area 50 removes half the editing 25 removes a quarter and so on . The smaller the opacity setting the more control you have over removing your editing efforts. Make sure that the Sample All Layers box at the top of the editing screen is checked when working with the layers. O Copy Data from One Photo to Another There will be times when the image to be healed has no texture that can be copied into the repair area. In this case you might consider selecting your needed texture and data from a totally different photo. Obviously it needs to be a similar photo maybe the image you shot before or after the image you Left This nudibranch was photographed on Velvia Reef in the Solomon Islands. The lightcolored foreground position of the flash and the reflectiveness of the nudibranch caused an overexposure in the foreground. Right A selection was made from a similar image with correctly exposed reef detail . 120 ADOBE PHOTOSHOP FOR UNDERWATER PHOTOGRAPHERS Top Left The copied data is pasted onto a blank image flipped and rotated before it is copied again to the clipboard. Top Right A selection is made on the image to be repaired. The selection is feathered by 2 pixels. Above The shortcut command Shift Ctrl V is used to paste .