jackamus Posted February 28, 2018 Share Posted February 28, 2018 Why can't I subtract circle A from shape B without getting the unwanted line C? Cut out.afdesign Quote If voting made any difference it wouldn't be allowed! Rules are for the guidance of wise men and the obedience of fools. To be ignorant of world happenings is forgivable - to be willingly ignorant is unforgivable. Truth does not need to be protected only lies do. Mac OS Monterey 12.6.4 AD version 2.3.0 Link to comment Share on other sites More sharing options...
R C-R Posted February 28, 2018 Share Posted February 28, 2018 It looks like a bug to me. A from B creates a Curves object that, if divided, produces the original B shape & a segment of the A curve under it. So it isn't just line C that is the problem -- C is just part of B that never had A subtracted from it to begin with. Quote All 3 1.10.8, & all 3 V2.4.1 Mac apps; 2020 iMac 27"; 3.8GHz i7, Radeon Pro 5700, 32GB RAM; macOS 10.15.7 Affinity Photo 1.10.8; Affinity Designer 1.108; & all 3 V2 apps for iPad; 6th Generation iPad 32 GB; Apple Pencil; iPadOS 15.7 Link to comment Share on other sites More sharing options...
jackamus Posted February 28, 2018 Author Share Posted February 28, 2018 Interestingly it worked when I subtracted it from the left side of the shape! If its a bug should I report it. Cut out 2.afdesign Quote If voting made any difference it wouldn't be allowed! Rules are for the guidance of wise men and the obedience of fools. To be ignorant of world happenings is forgivable - to be willingly ignorant is unforgivable. Truth does not need to be protected only lies do. Mac OS Monterey 12.6.4 AD version 2.3.0 Link to comment Share on other sites More sharing options...
R C-R Posted February 28, 2018 Share Posted February 28, 2018 It also worked for me when I created a new B curve from a rectangle with curved corners added with the Corner Tool & 'baked' that into an almost identical shape as your B one. But for the original the result is clearly wrong, a 2 curve "(Curves)" object, each with its own start/end node: Quote All 3 1.10.8, & all 3 V2.4.1 Mac apps; 2020 iMac 27"; 3.8GHz i7, Radeon Pro 5700, 32GB RAM; macOS 10.15.7 Affinity Photo 1.10.8; Affinity Designer 1.108; & all 3 V2 apps for iPad; 6th Generation iPad 32 GB; Apple Pencil; iPadOS 15.7 Link to comment Share on other sites More sharing options...
catlover Posted February 28, 2018 Share Posted February 28, 2018 Interesting subject. Tried to subtract 2 circles from the RH side of the rectangle. First try : it didn't work Second try D : draw circle > select rectangle, > +Shift add circle to selection, >subtract : it worked. Third try E : same as above, it worked... ??? Quote Link to comment Share on other sites More sharing options...
Staff MEB Posted February 28, 2018 Staff Share Posted February 28, 2018 43 minutes ago, jackamus said: Interestingly it worked when I subtracted it from the left side of the shape! If its a bug should I report it. Cut out 2.afdesign Hi jackamus, We already have a similar issue logged. I added your file to our report/log. There's no need to report this in the Bugs section. Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
R C-R Posted February 28, 2018 Share Posted February 28, 2018 So to work around the bug, one way is to divide the Curves object that results from the buggy subtraction, place the rectangular shaped curve below the other one & subtract again. But who knows if that will work for other shapes? Quote All 3 1.10.8, & all 3 V2.4.1 Mac apps; 2020 iMac 27"; 3.8GHz i7, Radeon Pro 5700, 32GB RAM; macOS 10.15.7 Affinity Photo 1.10.8; Affinity Designer 1.108; & all 3 V2 apps for iPad; 6th Generation iPad 32 GB; Apple Pencil; iPadOS 15.7 Link to comment Share on other sites More sharing options...
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