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Now, one of the big concepts that, you will hear me stress over and over and over again, is the concept of none destructive editing. You see, when we are working with traditional media, say for example, film or traditional photography, any edits that we make are typically permanent.
If you are in a dark room, and you are throwing chemical onto a photo, or unto a negative, you are going to permanently change it. There is no way to unchemacalized it or take away what you have done. Likewise, if you are working with movies, if you have a VCR tape from the old days. If you are gong to edit it, you have to cut it up, physically with scissors, and put it back together with tape. Those changes are permanent, and unchangeable.
In Photoshop, if we work intelligently, then we can go back and fix what we have done at anytime. This was referring to as non-destructive editing. And in the last segment, when I applied this brightness correction, and this color correction, I set it this up in such a way, that if I were to save and close file and then open it up later, I could go back do it at anytime. And let us say, I have a client or a boss, and say, you know what? I kind of like the gloomy skies. Get rid of all that beautiful, beautiful color stuffs that you did. I could say, okay, I will just click this bottom, and turn that off. I am back to square one. I can even take out the contrast that I added, by hitting this. So it is not permanent at all. I can change it at anytime.
Even if changes that we made to an image are attractive, and look good, if they are permanent changes, it is still referred to us, as the destructive change, because it is not something that you could undo and go back on. So as you work in photo shop, take advantage of the tools that I will be showing you to work non-destructively. It may take an extra step or two, but I guarantee you it will save you in the long run, a lot of headache and TDM as you work on Photoshop.
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