Here are some excellent ways to learn photoshop
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by: DavidPeters
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RESOLUTION. The "Auto" resolution button on the right of your Image Size dialog box will resize your image to small, medium and larger sizes. Under "Document Size" in your Image Size box, you'll see a place to enter the desired resolution. For the Web, normal resolutions will be 72 pixels per inch. For print work, the resolution should be at least 300 ppi. When you increase the resolution, you increase the image size, and may need to resize it, but the resolution will stay the same. COLOR CASTS. Go into your Image > Adjustments menu and try using the automatic presets there: Auto Levels, Auto Contrast, Auto Color and/or Variations. This last option is especially fast and flexible, offering fine-tuning for shadows, midtones and highlights as well as saturation.
You'll see a variety of preset gradients displayed, from the default Foreground to Background gradient to the more complex Chrome gradient. All these preset gradients can be edited to create new gradients. You'll notice that some gradients have more colour 'stops' than others; the Foreground to Background gradient has two colour stops - black and white - while the Spectrum gradient has seven colour stops. You can modify a gradient by changing the colour of the stops - simply click on one and choose a new colour from the Color Picker. Alternatively, click on an image and sample a colour for your customised gradient using the Eyedropper Tool.
Image Adjustments: No doubt you'll need to tweak things such as levels and colour values on occasion. These shortcuts will take you to the heart of the Image > Adjustments menu - Adjust Levels.......[Ctrl]+[L] - Auto Levels.........[Shift]+[Ctrl]+[L] - Auto Contrast.......[Alt]+[Shift]+[Ctrl]+[L] - Auto Color..........[Shift]+[ Ctrl]+[B] - Curves ..............[Ctrl]+[M] - Color Balance.......[Ctrl]+[B] - Hue/Saturation......[Ctrl]+[U] - Desaturate..........[Shift]+[Ctrl]+[U] - Invert..............[Ctrl]+[I] File Management: Browse, open, close and save your files for a variety of formats, all at the touch of a key or three - New File.............[Ctrl]+[N] - Open File............[Ctrl]+[O] - Open File Browser....[Shift]+[Ctrl]+[O] - Save.................[Ctrl]+[S] - Close................[Ctrl]+[W] - Save As..............[Shift]+[Ctrl]+[S] - Save for Web.........[Alt]+[Shift]+[Ctrl]+[S] - Undo last action.....[Ctrl]+[Z] - Step Forward.........[Shift]+[Control]+[Z] - Step Backward........[Alt]+[Ctrl]+[Z] - Page Setup...........[Shift]+[Ctrl]+[P] - Print................[Alt]+[Ctrl]+[P] - Print with Preview...[Ctrl]+[P] - Print One Copy.......[Alt]+[Shift]+[Ctrl]+[P] - Jump to ImageReady...[Shift]+[Ctrl]+[M]
To experiment with advanced Photoshop layering, you'll need something to work on. So first bring up a photo inside Photoshop, then create another layer with something on it. On the bottom of your Layer Style box, you will find the "Blend If" settings. Choose either gray, red, green or blue inside the drop-down Blend If menu, then use your slider bars to control the opacity of the layer you highlighted or the layer underneath. Dragging the "white" slider left will diminish the whites or highlights, and the layer underneath will show through. You will quickly see how blending each color affects the image. You can use this versatile feature, for example, to replace a washed-out sky with a nice blue sky, blending the transparency to a gnat's eyebrow.
Like Adobe Remix, the hosted Photoshop service is set to be free and marketed as an entry-level version of Adobe's more sophisticated image-editing tools, including Photoshop and Photoshop Elements. Chizen envisions revenue from the Photoshop service coming from online advertising. "That is new (for Adobe). It's something we are sensitive to because we are watching folks like Google do it in different categories, and we want to make sure that we are there before they are, in areas of our franchises," Chizen said. Chizen described the introduction of Adobe Remix and the forthcoming hosted Photoshop as part of a larger move toward integrating hosted services into the company's product mix.
Inside bothe the Levels and the Curves dialog boxes, click "Options" and you will find another important dialog box called "Auto Color Correction Options." This box allows you to not only correct the photo's tone and set specific clipping percentages, but you can also set your color values for shadows, midtones and highlights. Experiment inside your Auto Color Correction Options dialog box to enhance monochromatic contrast, enhance per channel contrast, find dark and light colors and snap neutral midtones. Often an image comes out with an overall color cast, which is usually not desirable. To remove a color cast, use your Image > Adjustments > Auto Color functions. Inside the same Imagae menu, you'll find the Hue/Saturation and Desaturate functions. Use these to enhance colors or fine-tune the saturation of an image by reducing color (desaturating).
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