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by Wendi E. M. Scarth

 

Alpha Channels: PSP

 

Paint Shop Pro Tutorials by Wendi E. M. Scarth.
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Alpha Channels


Save Selections To Alpha Channels & Change A Flower’s Colour
Written For Paint Shop Pro 7 8 9 X - Beginners Plus
XI X2 X3 X4 X5 Photo
(& X6) (Ultimate) Students Should Follow X’s Instructions

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Manage The Workspace
Click This Text Link To Read My PaintShop Pro’s Workspace Tutorial

This lesson demonstrates how to change an object’s colour by employing the Colourise command and Alpha Channels. To work along, right-click the red rose above, and save it to your PC, then open it onto Paint Shop Pro’s workspace.

Note
I have marked this tutorial Beginners +, however, due to the technique involved, I would
say, realistically, it is between Beginners + and Intermediate, depending on your confidence and experience.

150+ Beginner PDF Tutorials

Alpha Channels
Think of an Alpha Channel as a place where you can store, and retrieve, selection marquees. Once a selection marquee has been saved to an Alpha Channel, then saved as a .psp file, it is permanently embedded into the image. This means, you can retrieve the selection from its Alpha Channel after the file has been closed, then reopened. This is helpful when sending embedded Alpha Channels to other Paint Shop Pro users - or saving them for yourself, to use at a later date. If, after you have opened your file, you cannot see your selection, from the top menu, choose Selections then choose Load/Save Selection - (from Alpha Channel).

1/
Open an image onto Paint Shop Pro’s workspace. (You are welcome to download the Rose Image I am working with
Here).



2/
Then from the left-side Tools Toolbar, select the Magic Wand Tool





And enter the following attributes into the Tool Options Palette or Ribbon.

Paint Shop Pro 7



Paint Shop Pro 8 9 X XI X2 X3 X4 X5 (& X6)

Note
The Magic Wand’s Tolerance setting is based on my image’s resolution; when utilising your own, you may need to adjust the Tolerance accordingly.

Now, left-click over the rose’s black background, in the area illustrated below. And the rose and outer border will be surrounded by the following Selection Marquee.



Tip
If you are unhappy with the selection marquee’s position; from the upper menu, select the Undo arrow . And reapply the Magic Wand - adjusting the Tolerance as necessary.

3/
From the upper menu, choose Selections then choose Invert. The Selection Marquee will now isolate just the rose and stem - as illustrated below.



4/ Paint Shop Pro 7 -
PSP 8 9 X XI X2 X3 X4 X5 & Newer Here
From the upper menu, choose Selections then from the subsequent drop-down menu, choose Save to Alpha Channel.



From the Save To Alpha dialogue box, accept the default settings (illustrated above), then click OK.

Then from the subsequent New Channel dialogue box, type in a name for your selection, or leave Selection #1 as it is, then click OK.




Paint Shop Pro 7 Continue Here

Paint Shop Pro 8 9 X XI X2 X2 X3 X4 X5 (& X6), from the upper menu, choose Selections then from the drop-down menu, choose Load/Save Selection. Then from the fly out menu, choose Save Selection to Alpha Channel.

Paint Shop Pro 8 9

PSP8


Paint Shop Pro X XI X2 X3 X4 X5 (& X6)



Paint Shop Pro 8 9 X XI X2 X3 X4 X5 (& X6), enter a name for your selection, under the Name tab, (or accept the Selection #1 name already there), then click Save.

Paint Shop Pro 7 8 9 X XI X2 X3 X4 X5 (& X6)
Your rose-shaped selection marquee has now been saved to an Alpha Channel, and you are ready for the next step.

Saving Alpha Channels With Your File
To save your rose image with the selection channel embedded within it - for retrieval at a later date; from the top menu of Paint Shop Pro, choose Save then choose Save as. From the subsequent Save as dialogue box, enter a name for your image, then (in the Save as type menu), change the format to the following .pspimage - then click OK.




Your Alpha Channel has now been saved with your file.

5/
From the upper menu, choose Selections then choose Select None and the selection marquee surrounding your rose will be removed. (Or press Ctrl then D).

6/ Retrieve/Apply The Selection Marquee Paint Shop Pro 7
 -
8 9 X XI X2 X3 X4 X5 & X6 Proceed Here
Now, from the main menu, choose Selections then from the subsequent drop-down menu, choose Load from Alpha Channel.

Paint Shop Pro 8 9 X XI X2 X3 X4 X5 (& X6), from the upper menu, choose Selections then from the subsequent drop-down menu, choose Load/Save Selection - then from the fly out menu, choose Load Selection from Alpha Channel.

From the Load Selection from Alpha Channel (or Load from Alpha dialogue box, depending on your PSP version), click either OK or Load. Your rose will once again be isolated with a selection marquee.

7/ Expand The Selection Marquee
From the top menu, choose Selections then choose Modify then choose Expand. From the subsequent Expand Selection dialogue box, change the Number of pixels to 1, then click OK. This expands the Selection Marquee, ensuring the rose’s outside edge changes colour when you apply the Colourise filter in the next chapter.

     expan 1 roseeeeeeeeeeeee

8/ Change The Rose’s Colour
Now, from the upper menu, (Paint Shop Pro 7) choose Colours then choose Colourise,
Paint Shop Pro 8 9 X XI X2 X3 X4 X5 (& X6), choose Adjust then choose
Hue and Saturation, then choose Colourise. 

All Versions
In the subsequent Colourise dialogue box, set the following attributes - or experiment, then click OK.



9/
Then from the upper menu, choose Selections then choose Select None. (Ctrl then D).



10/
Congratulations, you have saved a Selection Marquee to an Alpha Channels; retrieved it, then changed your flower’s colour.

11/
To finish, from the upper menu, (Paint Shop Pro 7) choose Effects then choose Sharpen. Paint Shop Pro 8 9 X XI X2 X3 X4 X5 (& X6), choose Adjust then choose Sharpness then choose Sharpen.


Wendi E M Scarth 
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