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#+title: Notes on Lesson 03 - Opacity vs Fill | PiXimperfect

[[../photoshop-for-complete-beginners.org][<Back to Main Section]]

* Downloads
- Practice Files: https://bit.ly/3ouxZWi
- Finished PSDs: https://bit.ly/3N1qDUi (Only for PiXimperfect Patreon Family)

* Notes
** blend modes
*** overview
normally there is no difference between fill and opacity
however there are 8 blend modes which make a difference

*** fill layers
- solid color
- gradient
- pattern

*** special blend modes
- color burn
- linear burn

- color dodge
- linear dodge (add)

- vivid light
- linear light

- hard mix
- difference

with hard mix you want to focus on changing fill %, not opacity.
low numbers, like 20% are good

*** color grading and 'blend if'
'blend if' meaning "blend if certain condtions exists"

1. bring up layer style dialog
   - double click on right side
2. choose "blending options"
3. focus on bottom where it says "Blend If"

at this point you can notice two sliders
- current layer
- underlying layer

assume we want to lower effect on the darker ares of an image
since you double clicked on the fill layer, we want to apply "underlying layer"
move the left slider to the right, to the white

however this can lead to a harsh effect
1. hold option key and click on the cursor-slider
2. you can now move it apart as two piece
   - its good to move them as far apart as possible to create a smooth effect

at this point you can lower the opacity to around 40%, and now the effect is subtle
significant

**** add a gradient
1. black and white, and apply linear
2. place gradient in layer above other layer

changing the underlying layer slider will affect what gets show but on the graident

** create a fake sun
*** create layer
1. layer on top of image

*** choosing brush
1. soft round brush
2. modify size using brackets: ']['
3. choose a warm color

*** draw sun
- dab somewhere in middle
   - not side because it's hard to see3
   - move it later

*** convert layer to smart layer
- right click on layer and choose 'smart layer'
- menu-Filter-Convert ot Smart Filter

*** choose a filter

- from Layers->blending mode pick color dodge
- [[../_share/media/img/photoshop-beg-piximperfect/blending mode.jpg]]

*** filter types
a. darken group:
   - darken
   - multiply
   - color burn
   - linear burn
   - darker color

b. lighter group:
   - lighten
   - screen
   - color dodge
   - linear dodge (add)
   - lighter color

*** shape layer
1. right click on empty space in layer panel and click "larger thumbnails"
2. double click on right side of layer to open up blending options dialog
3. uncheck "transparency shapes layer"
   - we don't want the transparency to shape the layer
   - we want the interaction with what is under the layer to shape it
     - if an area is dark, we want to show less of it
     - if an area is bright, show more of it

*** tweaking
- make the sun bigger or smaller
- change the fill

*** change color
- add a solid color layer on top of the sun layer
- hold down Opt key and move pointer between solid layer and sun layer
- icon changes, click it

** adding glare and the concept of graident fill

* Timestamp
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- [[https://youtu.be/ok9cVCETDeE?si=Lj4fPVabIC9jBW7O&t=1][00:00 What is Happening?]]
- [[https://youtu.be/ok9cVCETDeE?si=eI1QA8yYNe4IGAFe&t=32][00:32 Opacity vs. Fill: Similarities]]
- [[https://youtu.be/ok9cVCETDeE?si=Sit45roq4DllHZfy&t=105][01:45 The Differences: Introduction]]
- [[https://youtu.be/ok9cVCETDeE?si=5EnBeyPU4uBIjuXi&t=138][02:18 Condition 1: Special Blend Modes]]
- [[https://youtu.be/ok9cVCETDeE?si=7gIlQVf467ZZy7Nc&t=255][04:15 Color Grading & Blend If]]
- [[https://youtu.be/ok9cVCETDeE?si=cKnJci5Aat0WHRYB&t=427][07:07 Concept of Blend If in Detail]] *current*
- [[https://youtu.be/ok9cVCETDeE?si=zegGCuk7aPv6GmUI&t=493][08:13 Create a Fake Sun]]
- [[https://youtu.be/ok9cVCETDeE?si=cXrntuGK4QVIfjmt&t=793][13:13 Adding Glare and Concept of Gradient Fill]]
- [[https://youtu.be/ok9cVCETDeE?si=lUdPbR6pZfIQy_vv&t=1061][17:41 Other Applications]]
- [[https://youtu.be/ok9cVCETDeE?si=wTm3kuWL-4JOjZrW&t=1100][18:20 Condition 2: Layer Style]]
- [[https://youtu.be/ok9cVCETDeE?si=6saQFqQM020W3zcZ&t=1367][22:47 Quick Recap]]