Alfred

Ahh got it. 
Thanks. 

Boolean operators are the ones (‘Add’, ‘Subtract’, ‘Intersect’, etc) for which you’ll find buttons in the Geometry section of the main toolbar.

https://www.youtube.com/watch?v=Wx6U78HlglQ
Learn how to change the eye color in a realistic way in Affinity Photo. The human eye is as complex as it is beautiful. That makes it a little hard to change the color the right way. But it's all made easy if you know how. Let's find out.
The Iris of the eye has multiple colors, often 3 or more that mix beautifully and make the eye so interesting and alive. So, when changing the color, we have to take that into account and try to recreate it in a natural way in the new color we want to adjust it to. For that we create two separate Adjustment layers and recolor the eye for a natural look.
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Boolean is named after the mathematician George Boole. He invented a form of arithmetic where the operands were either TRUE or FALSE. This arithmetic is widely used in computing where a binary digit is either TRUE (1) or FALSE (0). The labelling of these geometrical operations as Boolean is a bit tenuous, but is widely used in graphics.
John

Strikes me that you all have too much time on your hands with too little to do.    Why not write your own apps and then call them whatever you like?   I write and publish.  “Affinity Publisher” is perfectly fine with me.    I do not “layout” books like laundry out of the dryer.

To do it exactly as in the video, instead of a rectangle you would use two diamond shapes which have been Boolean added to create a single ‘Curves’ object.

Hi, dannys81,
Here's an Affinity method. 
Have snapping turned on. Draw a circle/ellipse. If you like, position the center at the center of the spread.
Make the circle's fill none, and set the stroke to whatever thickness you want. Then draw a rectangle of desired size that spans the circle. Because snapping is on, you will see when the rectangle is centered on the circle.
You will notice it is positioned above the circle in the layer hierarchy. This is necessary for the next operation.
Select both, and use the boolean subtract widget. 
Here is where the procedure appears to me to differ from Inkscape.
The rectangle is subtracted away, leaving 2 parts of the original circle. Using the node tool, select the 4 inner nodes, and then use the "break curve" widget. There will then be 2 straight line curves, and 2 arcs. Delete the lines.
My opinion is that it is not a good way to learn to use Affinity by watching other apps tutorials. I've been using various vector programs for about 30 years now, and it still took me at least 2 weeks just getting settled into Designer. It took me a couple of months to stop using keyboard short cuts I half remembered from other apps. Not all features are implemented thesame as in other apps, and some have not been written yet. I figure its better to practice w. what is at hand, so that I can add new skills as new tools are added.

Since ‘visible’ means ‘enabled’ here, why not change the label from ‘Show’ to ‘Enable’?

Since ‘visible’ means ‘enabled’ here, why not change the label from ‘Show’ to ‘Enable’?

Well, there is also a Feature Requests & Feedback forum, which seems to me to be a good place to post feedback.

This is the one!
Rasterising the whole lot was the missing step.
Thanks to all for their help!

So the steps that worked:

1. Scan document as black and white jpg or PNG
2. Import into Photo
3. Use Layer > New Adjustment Layer > Levels Adjustment
4. Levels: Black - 14% White - 76% Gamma - 1.288
5. Document > flatten
6. Filters > Colours > Erase white paper
7. Export as PNG, selection without background
8. Import into Publisher image frame
9. Give thanks and celebrate!

That’s true, but neither of the OP’s examples shows the expected result for that step!

Welcome to the Serif Affinity Forums, Ali.
If by “I cannot register with AP” you mean you can’t create an Affinity Store account, you don’t need one! Since Affinity Photo for iPad is purchased through the App Store, your contract is with Apple rather than Serif.

I would vote for Affinity InXpressDesign. I never worked with the M!@@))@@)@t product so Affinity Publisher does not cause negative feelings for me.

Hi,
Thanks for reporting this, I don't think it should be the case that you have enter in [No change] to achieve what you were looking for here.
I've logged this for the developers to look into further.
Thanks!

The latest Affinity Photo 1.7 beta version for Mac allows the user to select the compression method for TIFF export. I would hope we’ll see this added to a Windows beta version quite soon.

Hello marcvanderpeet12
Even if your document is in pixels, you can type the values in millimeters, AD will automatically convert the values to pixels.
 

Should have thought to add that.    Dtw757 will save a bundle if he buys both from the Affinity store!

So are the Affinity apps for iPad (especially with the Spring Sale which is on at the moment).

Sorry for being asay from this post for so long... Thanks for the advice, appreciated. Now able to delete as needed, thank you. 

Thank you for the information Alfred.
Doc Holliday 

All version 1.x updates are free to current owners of the app on the same platform (Mac, Windows or iPad). You only need to pay again if you switch to a different platform, or if you want the new features in version 2 when it eventually arrives.

I would expect the same.

So are the Affinity apps for iPad (especially with the Spring Sale which is on at the moment).