I am a rookie, so my article is only for those who have just come in contact with Photoshop, because I do not have a professional terminology, all in the way of irrigation to express to you. Beginners always do not sit on the sidelines to see, we rookie can also become the protagonist.
first, the channel to pull the map
Open the picture, enter the channel
1. Copy Blue Layer
2. Get the blue copy point ctrl+i reverse. ctrl+l, adjust the color order as shown:
3. Point loading in a constituency
4. Back to the layer, point ctrl+j to dig out
5. The image is a bit blurry. Copy the plucked layer
second, color range to pull the map
1. Enter the channel, copy the Blue layer
2. Get the blue copy point ctrl+i Reverse, select, color range
4. Back to layer point ctrl+j pull out
Complete
Three, the channel calculates the drawing
1. Copy a new layer
2. Image, calculation: Red + Green
3. Alpha, select alpha channel, ctrl+i (reverse phase), load alpha channel
4:ctrl+j pull out the image, pull out the picture a little fuzzy copy several
Four, layer style cutout
1: Copy Layer
Select Layer Style
Adjust as Figure
Hide the eyes of the background layer.