Billc1952 Posted June 28, 2018 Share Posted June 28, 2018 I have some photographs that I would like to delete all the colours and just leave edges to create a Colouring Book effect so I can can print them for my wife to paint. I have searched to see if I can work this out but to no avail. I am a new user to Photo so please tell me if I have missed a tutorial or method? Quote Link to comment Share on other sites More sharing options...
Staff Gabe Posted June 28, 2018 Staff Share Posted June 28, 2018 Hi @Billc1952, Welcome to the forums. We do not have a tutorial for this, but you can try the following: Desaturate your image - Layer > Adjustment Layer > HSL Duplicate the layer Invert the duplicate ( Layer - invert ) Change the blending mode to colour dodge Apply gaussian blur FX on this top layer. Adjust the radius until you're happy with the result. Apply Levels adjustment if needed on top of everything. Thanks, Gabe. Quote Link to comment Share on other sites More sharing options...
Gnobelix Posted June 28, 2018 Share Posted June 28, 2018 Hello Billc in 1952, GabrielM showed you the procedure, how you should proceed User R C-R has created a macro for Pencil Sketch. (click here) or watch the video from Affinity Revelution. (click here) I hope it helps. Cheers Quote Affinity Photo 2.4: Affinity Photo 1.10.6: Affinity Designer 2.4: Affinity Designer 1.10.6: Affinity Publisher 2.4: Affinity Publisher 1.10.6: Windows 11 Pro (Version 23H2 Build (22631.3447) Link to comment Share on other sites More sharing options...
toltec Posted June 28, 2018 Share Posted June 28, 2018 The results will always depend on what is in the images but another thing you try if you want more of an "edges" effect. The pencil sketch effect might leave in too much grey. I used this image because the black in the bodies makes it a very difficult subject. Go Filters > Detect > Detect Edges Invert the layer, Layer > Invert Adjust the levels. Layer > New Adjustment Layer > Levels. Apply a threshold adjustment. Layer > New Adjustment Layer > Threshold And adjust until you like the result. The slider makes quite a difference to the output. This is just one outcome, you will need to experiment until you find something you like. Or not! A different setting. Not too bad for a difficult image. Paint out a little bit of the black if you really want to. This is the result from following the pencil sketch approach for comparison. Probably too much grey for your purpose? As I said, it will depend on the image. Quote Windows PCs. Photo and Designer, latest non-beta versions. Link to comment Share on other sites More sharing options...
Billc1952 Posted June 29, 2018 Author Share Posted June 29, 2018 Awesome responses everyone. I will give you suggestions a try. Thanks again Bill Quote Link to comment Share on other sites More sharing options...
John Rostron Posted July 1, 2018 Share Posted July 1, 2018 Digital Camera Magazine recently offered Sketch Drawer for free so I downloaded it. I tried it on @toltec's Penguin picture and it looked like this: Not all that different from @toltec's final image. I would have like to have said that getting this in Sketch Drawer was dead simple, but it was not. It involved a great deal of trial and error and a fiddly interface. I probably would not have bought it at the current price, but since it was free, I may try it on other images. The free offer is now over, it you want to try it, it is available from here. Quote Windows 10, Affinity Photo 1.10.5 Designer 1.10.5 and Publisher 1.10.5 (mainly Photo), now ex-Adobe CC CPU: AMD A6-3670. RAM: 16 GB DDR3 @ 666MHz, Graphics: 2047MB NVIDIA GeForce GT 630 Link to comment Share on other sites More sharing options...
toltec Posted July 1, 2018 Share Posted July 1, 2018 21 minutes ago, John Rostron said: Not all that different from @toltec's final image. I would have like to have said that getting this in Sketch Drawer was dead simple, but it was not. It involved a great deal of trial and error and a fiddly interface. It would be interesting to see if rather than using a Threshold adjustment, maybe Levels followed by Black and white would match the Sketch Drawer result. I am not on a PC at the moment, so can’t try. I must say it was very easy to do in Photo. The hardest thing was knowing which result to go for. Quote Windows PCs. Photo and Designer, latest non-beta versions. Link to comment Share on other sites More sharing options...
gdenby Posted July 1, 2018 Share Posted July 1, 2018 Here's my go at a process. Hope the brief description of the steps suffices. Load image Denoise, denoise, ... Duplicate image, shift +2 pixels set blend to difference Merge visible Duplicate image, shift -2 pixels set blend to difference Merge visible Turn off image copies Change 2nd difference merged layer to add Merge visible Adjust HSL, desaturate Invert adjustment, hard mix blend Brightness/Contrast to reduce remnant grays FloodFill w. black, which the invert adjustment turns white. Depending on the image, slight variations to the adjustments will be needed. If its B&W to begin, obviously no need to desaturate. 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...
abbylady Posted April 28, 2020 Share Posted April 28, 2020 Thanks, I will try these methods Quote Link to comment Share on other sites More sharing options...
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