webcat Posted April 20, 2019 Share Posted April 20, 2019 (edited) Hey guys, please check this out and let me know what I'm doing wrong or simply not doing; https://screencast-o-matic.com/watch/cqfYbjZuYp I can never get this trick to work in AD, but I'm sure others can, so I'm asking for help. Edited April 20, 2019 by webcat link change Quote Link to comment Share on other sites More sharing options...
gdenby Posted April 20, 2019 Share Posted April 20, 2019 Hi, webcat, I'm not familiar w. the term knock-out, but I suppose you mean you want to remove the rectangle(s) or star shape from the diamond. The objects do not need to be converted to curves. When they go thru a boolean operation, such as subtract, the results will be a curve. Your 1st problem was that you only had 1 on the rectangles selected when you did the subtract. So only one was cut away. If you had all the shapes selected, the 2 rectangles above the diamond would have both been subtracted. The order of the operation is from top of the stack down, so when the diamond was on top, it cut away from the rectangle. The results of the operation have the attributes of the bottom object. So if you subtract any shape from one that has an outline, the resulting shape will still have the outline. I'm not quite sure what was going on w. the star example, the star arms should have been cut away from the diamond. Attached, a file saved w. history so you can step thru what I did. I hope this is what you were aiming at. Knockout.afdesign Quote iMac 27" Retina, c. 2015: OS X 10.11.5: 3.3 GHz I c-5: 32 Gb, AMD Radeon R9 M290 2048 Mb iPad 12.9" Retina, iOS 10, 512 Gb, Apple pencil Huion WH1409 tablet Link to comment Share on other sites More sharing options...
dutchshader Posted April 20, 2019 Share Posted April 20, 2019 Not sure what it is you want to happen. But if you want to delete a part of the diamond, switch to the node tool and place nodes on the diamond where they meet the square. Click on the node and click break curve an the same for the other node, now you can delete the part in between 20190420_200703.mp4 Quote intel core i5, 16GB 128Gb ssd win10 Pro Huion new 1060plus. philips 272p 2560x1440px on intel HD2500 onboard graphics Razer Tartarus Chroma Link to comment Share on other sites More sharing options...
webcat Posted April 20, 2019 Author Share Posted April 20, 2019 So here is what I was trying to do, https://screencast-o-matic.com/watch/cqfYF2Zu05 Quote Link to comment Share on other sites More sharing options...
webcat Posted April 20, 2019 Author Share Posted April 20, 2019 hey thanks just saw your video @dutchshaderthat's a pretty cool way to do that, but is that the "only" way? I'm starting to think, that I've had the wrong interpretation of the Add, Subtract, Divide Combine functions...they just done work on strokes huh? Quote Link to comment Share on other sites More sharing options...
dutchshader Posted April 20, 2019 Share Posted April 20, 2019 Afaik they only work on closed curves Quote intel core i5, 16GB 128Gb ssd win10 Pro Huion new 1060plus. philips 272p 2560x1440px on intel HD2500 onboard graphics Razer Tartarus Chroma Link to comment Share on other sites More sharing options...
webcat Posted April 20, 2019 Author Share Posted April 20, 2019 so when you say closed, do you mean....So lets say I make a Octagon shape with my pen tool. Remove the fill and just have the stroke. The stroke "is" closed. But do you mean it has to be "filled" in order to use those functions? https://screencast-o-matic.com/watch/cqfYFUZuZl Quote Link to comment Share on other sites More sharing options...
Alfred Posted April 20, 2019 Share Posted April 20, 2019 12 minutes ago, webcat said: The stroke "is" closed. But do you mean it has to be "filled" in order to use those functions? As I showed here, the curves don’t have to be filled — and as mentioned in that thread, if they’re open the app will close them when you choose ‘Add’ (or any other Boolean command). The only thing I didn’t show is what happens when the curves don’t overlap: try it for yourself and see what happens! Quote Alfred Affinity Designer/Photo/Publisher 2 for Windows • Windows 10 Home/Pro Affinity Designer/Photo/Publisher 2 for iPad • iPadOS 17.4.1 (iPad 7th gen) Link to comment Share on other sites More sharing options...
Guest Posted April 20, 2019 Share Posted April 20, 2019 If you draw the lozenge with the pen tool, select it and do "Expand stroke". Then select it and the rectangle(s) and click on "Divide". Quote Link to comment Share on other sites More sharing options...
dutchshader Posted April 20, 2019 Share Posted April 20, 2019 Basically, the boolean operations are creating new shapes Quote intel core i5, 16GB 128Gb ssd win10 Pro Huion new 1060plus. philips 272p 2560x1440px on intel HD2500 onboard graphics Razer Tartarus Chroma Link to comment Share on other sites More sharing options...
webcat Posted April 20, 2019 Author Share Posted April 20, 2019 @dutchshader gotcha. Hey thanks I think that pretty much was my problem, thinking i could break strokes with the Subtract function. Now I see I cant. Quote Link to comment Share on other sites More sharing options...
gdenby Posted April 20, 2019 Share Posted April 20, 2019 In Affinity, the stroke is not an object. It is just an attribute of the curve geometry. I don't use Inkscape enough to say, but in affinity, Expand stroke may be like convert to path in Inkscape. It makes a filled area that was the stroke, and that can be cut away. webcat 1 Quote iMac 27" Retina, c. 2015: OS X 10.11.5: 3.3 GHz I c-5: 32 Gb, AMD Radeon R9 M290 2048 Mb iPad 12.9" Retina, iOS 10, 512 Gb, Apple pencil Huion WH1409 tablet Link to comment Share on other sites More sharing options...
webcat Posted April 20, 2019 Author Share Posted April 20, 2019 @reglico thanks. I will be honest, I "do" sometimes forget that I need to Expand To Stroke, thanks I think I got it now everyone. Thanks "SO" much for all the input. I hope this helps anyone else that may run into the same things I did Quote Link to comment Share on other sites More sharing options...
webcat Posted April 20, 2019 Author Share Posted April 20, 2019 1 minute ago, gdenby said: In Affinity, the stroke is not an object. It is just an attribute of the curve geometry. I don't use Inkscape enough to say, but in affinity, Expand stroke may be like convert to path in Inkscape. It makes a filled area that was the stroke, and that can be cut away. Hey thanks @gdenby that's a great way for me to look at it too. The Expand "is" indeed like the Stroke to Path for inkscape. Thanks Quote Link to comment Share on other sites More sharing options...
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