matt_glen: (Default)
The second lesson began with the opening of two pictures: a palm tree and some sand dunes. Our task was to photoshop these two images together, creating a whole new scene. We started by selecting the standard lasso tool and highlighting the tree. As always, we used 'Alt' to take away from the highlighted selection, and 'shift' to add to it; loops appeared to work the best for this process.

Next, we copy-pasted our selection into a new layer using the Apple C and V keyboard commands. We clicked the 'eye' icon next to the layers in order to gain a clearer view of the selected palm tree. We then switched to the magnetic lasso tool, which attaches itself automatically to the sides of a part of the picture that differs tonally from the background. Once again, we employed Alt and Shift to tidy up the edges. Another useful command for highlighting was Apple + D, which deselects your current choice.

Following this, we used the 'magic wand' tool and set the tolerance to 32. Selecting certain colours, we were able to erase the gaps between parts of the tree effectively.  We were also shown how to use the history brush tool in order to add colours back into the trunk that may have been deleted by the previous action.

It was time to import the palm tree layer into the sand dune file. We flipped the palm tree around horizontally by selecting Edit and Transform. Next, we had to create a shadow. Using 'Apple-click' to select the entire layer, it was possible to copy it and fill the palm tree with the colour black. We renamed the layer 'shadow', and applied gaussian blur [5.1]. Using Apple T, we were able to edit the position of the shadow; Shift altered the scale, while the Apple button changed the angle. We then set the blending to overlay.

The final stage was to swap the layers 'Shadow' and 1, add a layer mask in the the layer box and set a black to white gradient by clicking and dragging.

So, that's how to create a tropical island in your own home.
matt_glen: (Default)
And so it begins.

For the first lesson, we learnt about different brush settings, the correct settings to use for specific work, and how to alter an image of someone to make them appear younger.

We were informed of the following:
DPI = Dots Per Inch
* 72 DPI (Best for screen work)
* 150 DPI (Best for rough work)
* 300 DPI (Best for print work)

RGB = Red, Green, Blue (Used for screen work)
CYMK = Cyan, Yellow, Magenta, Kern [Black] (Used for print work)

Task 1
To begin with, we set up a new A4 page (210mm x 297mm) with a DPI of 72 and using the RGB colour scale. We set the brush size to 60, and the hardness to 0 as we tried out the 'scatter' effect. We also tried setting the harness to 100. The Master Diameter controls the size of the brush, and the hardness controls the focus. The scatter percentage affects the distance between each brush mark, while the count alters the amount of marks that are created.

We also learnt how to use colour dynamics, which changes the colour of the marks within a click. The texture settings, as expected, changed the texture of the brush. The 'other dynamics' feature can also be used to alter the opacity of the brush.

Task 2
After this, we moved on to a task in which we learned how to photoshop pictures of people to make them appear younger or give them a sort of 'glow'. Two of the most important tools for this activity were the healing brush and clone tools; these are represented by icons of a bandage and stamp respectively. Both of these features require you to  'Alt-click' on a part of the photo in order to establish the area to reproduce, before copying it onto another part of the photo by left-clicking. The healing tool works best for 'touching up' faces, as the copied areas blend well into the original image.

Now, we proceeded to open photos of people to edit. For the picture of the man, we simply used the healing brush tool and liquify filter to adjust the appearance of the face; this was to give the impression that the subject was slightly younger than in reality. Afterwards, we moved on to a picture of a girl. The first step was to create a new layer, apply the 'lighten' function and set the filter to 'Gaussian blur', before copying it and changing to 'darken'. Next, we made a new folder and stored both the 'lighten' and 'darken' layers within it. The brush tool was used to select areas to accentuate, while the lasso tool enabled us to highlight the eyes and edit their colour using hue/saturation and 'colourize'. We then moved the hue/saturation layer out of the aforementioned folder.

So, that roughly concludes my summary of Digital Applications/Print lesson 1.

Good day!

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matt_glen

October 2010

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