Media Studies Chapter 3 Homework The original sky image with clear blue sky

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Lab: Digital Image Alteration

RequiredApplicationProgram:AdobePhotoshoporCorelPaintShopPro.

Objectives:

1. Selectivelyalteranareaofanimagebymakingaselection.

2. Applyyourknowledgeofthevariousselectiontoolstochoosethebesttoolfordifferent

tasks.

Pre-lab:

IfyouarenotfamiliarwiththefollowingselectiontoolsinPhotoshop,reviewthePhotoshop

SelectionToolsvideos.

Lab:

Task#1:



2. Inthedevil-tower.psd,makeaselectionofthewholeclearblueskyarea.



3. Copythewholeimageofthesky.psd.

Becarefulnottoaccidentallydeselecttheskyselection.



5. Savethefileifyouneedtoturninyourfile.



Theskyimageyouhavecopiedshouldnowbepastedintotheselection.SeeFigure1bforthe

resultedimage.



 

Write‐up:

1. Whichofthefollowingsistheprimaryselectiontoolyouusedtomaketheselection?

 lasso

 magicwand

 magneticlasso

 marquee

 polygonallasso

 quickmask



2. Ifyouusedmorethanoneselectiontool,whatwasthesecondaryselectiontoolyou

used?



3. Describebrieflyhowyoumadetheselection,forexample,thesettingsyouusedtoset

thetool’soption.



Task#2:



2. Makeaselectionofthemiddlepaneofthewindow.ItiswherethechangefromFigure

2atoFigure2boccurs.Applywhatyouhavelearnedaboutselectiontoolsand

techniquesfromthechapterandthevideostomaketheselection.



5. Savethefileifyouneedtoturninyourfile.



Theskyimageyouhavecopiedshouldnowbepastedintotheselection.Figure2bshowsthe

resultedimage.



 

(a)(b)



Write‐up:

1. Whichofthefollowingsistheprimaryselectiontoolyouusedtomaketheselection?

 lasso

 magicwand

 magneticlasso

 marquee

 polygonallasso

 quickmask



2. Ifyouusedmorethanoneselectiontool,whatwasthesecondaryselectiontoolyou

used?



3. Describebrieflyhowyoumadetheselection,forexample,thesettingsyouusedtoset

thetool’soption.



4. Discussanyproblemsintheprocess.



Lab:DigitalImageAlteration::Page4of4

Task#3:



2. Makeaselectionthatincludeseverythingexceptthemiddlewindowpane.



3. ChooseImage>Adjustments>Hue/Saturation…inPhotoshop,orAdjust>Hueand



4. Savethefileifyouneedtoturninyourfile.



 

(a)(b)



Write‐up:

5. Whichofthefollowingsistheprimaryselectiontoolyouusedtomaketheselection?

 lasso

 magicwand

 magneticlasso

 marquee

 polygonallasso

 quickmask



6. Ifyouusedmorethanoneselectiontool,whatwasthesecondaryselectiontoolyou

used?



7. Describebrieflyhowyoumadetheselection,forexample,thesettingsyouusedtoset

thetool’soption.

