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Photoshop CS4 for Photographers is an essential course for any digital photographer who wants to master the software's vast array of image enhancement techniques. Professional photographer and instructor Chris Orwig uses his own compelling images to demonstrate how the power of Photoshop can make photographers more passionate about their work. He covers many aspects of the application, such as working with RAW images, using curves and levels, making images snap, and enhancing bland photographs by converting them to black and white. Exercise files accompany this course.
We are going to continue the talk about image resizing and then we will be working on this photograph that was captured by one of my friend Sammy Olsen. Let's go and open that window up. It's Santa Cruz_Solsen. We will double-click it to open this image up inside a Photoshop, then press F to go to Full Screen View mode, press the Spacebar and then reposition the image. All right. Well, this particular image was captured on film and you can see the little film edge here. What I'm going to do in this movie is show a couple of different techniques for cropping your images. Now we have already looked at the technique in the last movie, where we selected the Crop tool and we had some numbers or some values entered into these fields here. We can actually crop without any values so that we are cropping without resizing. All that we need to do is simply click and drag and expand that and then double-click or press Enter or Return to apply the crop, all right.
We will undo that crop. What's another way that we can crop? Well, another technique that you can use is you can use the Rectangular Marquee and then expand that across your image and then navigate to the Image pulldown menu and choose Crop and the nice thing about using that for a way a crop is sometimes it helps you get a little bit more freeform crop by using that tool. Although it's not the best way to crop. I'm just showing you a couple of different techniques, all right. Well, the image is still selected so I'll navigate to the Select pulldown menu and choose Deselect, all right. Well, now that we have cropped our image we are ready to resize this image so we navigate to Image > Image Size and when you open up the Image Size dialog window one of the things we know notice is the Resolution is at 4000 pixels per inch. Now why is that? Well, one of the things that I want to illustrate you in addition to cropping is image sizing where we are going to viewing this image on the web. Now if we are going to be viewing this image on the web or on our monitor the resolution is actually doesn't matter. Let me explain. I'll click OK. Double-click the Zoom tool. Well that's 100% of this file here so we can see the image is at 100% and that 100%, that's as large as it's going to be if it were in an email, on a web page, or just viewing it on monitor.
Let's then open up the Image Size dialog window and we are then going to then turn Resample off, I'm going to take this to let's say 72 pixels per inch, Resample back on we are not going to do any resizing, we are simply changing resolution here, click OK. Let's double-click the Zoom tool. Well, it's still the same exact size. Well, how is that? Well, if we are going to be viewing an image on monitor, the resolution is fixed. It's determined by the monitor. We can't change that, so it doesn't matter, all that matters are the pixels.
Let's go back to that Image Size dialog box, Image > Image Size. This down here has to do with printing; this has to do with raw material. Now that still sounds a little bit crazy and I admit it does sound a little bit crazy but if it stills sounds a little bit crazy try to just trust me on this one. Raw material pixels, Resolution down here printing this has to with the final print. Let's say that we actually decide that we want to print this image, well, we will click Resample off then we will change our resolution to something that where we can print this. Let's say 240 and then Resample back on and now resize. Well I could only print this at about 3x2. I'm really limited my file size because this is just a teeny small jpeg. So if I discover that I didn't have enough information here what would I need to do, well I need to either rescan the image or if it's originally was a digital file I need to find out a larger version of this digital file, so I can continue to work with this, all right.
Well, in summary, when I have hoping to pass on in this movie, it's a couple of different techniques for cropping as well as getting you to think more about how this Image Size dialog box actually works, all right. Well there is one more technique that I want to show you in regards to how this actually works.
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