PSP 3, Lesson 6~~ALPHA CHANNELS, SPLITTING CHANNELS, AND MASK EFFECTS
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Using Channels to Make Selections
This flower was originally on a green background by selecting it using the alpha channel and then the red channel, I was able to then change the green background to this embossed background you see here.
![red alpha channel used to select flower.](graphics/emboss_flower.jpg)
Here is the before graphic and the after. Here I used the blue channel and selected the moon and water. Upon inverting the selection I applied the mosaic glass effect to the background. Here is the original image
![original graphic](graphics/fullmoon_at_sea.jpg)
Now here is the graphic with the blue channel used and the mosaic glass effect applied
![blue channel selected and the background has the mosaic glass effect.](graphics/mosaic_fullmoon_at_sea.jpg)
Using Channels to Make Selections Part 2~~~~~~~~Using Channel Splitting to Edit an Object
Here is the same flower graphic. Here the blue channel was selected and a texture applied, then I combined the RGB channels to come up with this effect.
![yellow flower with green background changed using the blue channel, a texture and combining the RGB channels.](graphics/color_flower.jpg)
Here is the before graphic and the after. Here I used the blue channel, applied a texture and combined RGB channels to come up with this effect. Here is the original image
![original graphic](graphics/felix_swimming.jpg)
Now here is the graphic with the combined RGB channels and the swirl effect applied.
![RGB channels combined and the background has the swirl effect.](graphics/color_felix_swimming.jpg)
Using Alpha Channels to Make A Selection
This apple had a black background. Using the alpha channel, we deselected that black and now have it on a white background with good results on the Antialias edging.
![apple on a white background from black using the alpha channel method of selection.](graphics/alpha_apple.jpg)
Here using masks we accomplished the same thing as far as getting rid of the black background and then we selected the apple and added a drop shadow.
![](graphics/shadow_apple.jpg)
Using Masks For Effects, Part 1
Here I used a camera graphic and saved it as a mask. I then opened the wizard graphic and applied the camera mask to it!!!!
![camera used as a mask over the wizard graphic.](graphics/camera_wizard.jpg)
Here I used an urn graphic and saved it as a mask. I then opened the lady in the forest graphic and applied the urn mask to it!!!!
![urn used as a mask over lady in the forest graphic.](graphics/urn_woman.jpg)
Here I used an angel man graphic and saved it as a mask. I then opened the fairy graphic and applied the angel man mask to it!!!!
![angel man used as a mask over fairy graphic.](graphics/angel_fairy.jpg)
Using Masks For Effects, Part 2
Here I used a wine glass graphic and saved it as a mask. I then opened the wizard graphic and applied the wine glass mask to it!!!!
![wineglass used as a mask over wizard graphic.](graphics/wizard_wine.jpg)
Here I again used the wine glass graphic and saved it as a mask. I then opened the catgirl graphic and applied the wine glass mask to it!!!!
![wineglass used as a mask over catgirl graphic.](graphics/catgirl_wine.jpg)
Here I again used the wine glass graphic (I really love this as a mask, can you tell?) and saved it as a mask. I then opened the Green Castle tops graphic and applied the wine glass mask to it!!!!
![wineglass used as a mask over green castle tops graphic.](graphics/greencastletops_wine.jpg)
Here I again used the wine glass graphic mask. I then opened the Wizard graphic and applied the wine glass mask to it, then I inverted the mask and added the graphic of the maiden!!!!
![wineglass used as a mask over 2 graphics, the wizard and the maiden.](graphics/wizard_maiden.jpg)
Here I again used the wine glass graphic mask. I then opened the Dark Angel graphic and applied the wine glass mask to it, then I inverted the mask and added the graphic of the mermaid with the baby!!!!
![wineglass used as a mask over 2 graphics, the dark angel and the mermaid with the baby.](graphics/darkangel_mermaidandbaby.jpg)
Here I again used the wine glass graphic mask. I then opened the Ghosts in the Attic graphic and applied the wine glass mask to it, then I inverted the mask and added the graphic of Garden of Dreams.
![wineglass used as a mask over 2 graphics, the ghosts in the attic and the garden of dreams.](graphics/spell_garden.jpg)
PSP 3, Lesson 1
PSP 3, Lesson 2
PSP 3, Lesson 3
PSP 3, Lesson 4
PSP 3, Lesson 5
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