NotMyFault Posted August 8, 2019 Share Posted August 8, 2019 Hi, unsure if this a bug or i misinterptet the functionality. i often apply first a levels, and then a curves adjustment. In some cases, the histogram within the curves shows wrong data, not including the levels adjustment below. You can see the mismatch in the curves dialog box (left) versus the histogram in the toolbar (right). Picture is RGB/16 with Adobe RGB The issue occurs only occasionally. Mac mini M1 A2348 | Windows 10 - AMD Ryzen 9 5900x - 32 GB RAM - Nvidia GTX 1080 LG34WK950U-W, calibrated to DCI-P3 with LG Calibration Studio / Spider 5 iPad Air Gen 5 (2022) A2589 Special interest into procedural texture filter, edit alpha channel, RGB/16 and RGB/32 color formats, stacking, finding root causes for misbehaving files, finding creative solutions for unsolvable tasks, finding bugs in Apps. Link to comment Share on other sites More sharing options...
NotMyFault Posted August 8, 2019 Author Share Posted August 8, 2019 below you can find a example file. 3 boxes with color gradients, red, green, blue. First step: i started with RGB values from 25 to 200 for all colors. All histograms shown correct. Second step: i reduced the red and green color ranges. after this, the curves histogram just collapses to a flat line. very strange. curves histogram bug.afphoto Mac mini M1 A2348 | Windows 10 - AMD Ryzen 9 5900x - 32 GB RAM - Nvidia GTX 1080 LG34WK950U-W, calibrated to DCI-P3 with LG Calibration Studio / Spider 5 iPad Air Gen 5 (2022) A2589 Special interest into procedural texture filter, edit alpha channel, RGB/16 and RGB/32 color formats, stacking, finding root causes for misbehaving files, finding creative solutions for unsolvable tasks, finding bugs in Apps. Link to comment Share on other sites More sharing options...
NotMyFault Posted August 17, 2019 Author Share Posted August 17, 2019 Bug is still prsent in 1.7.2.471 (non-beta) Mac mini M1 A2348 | Windows 10 - AMD Ryzen 9 5900x - 32 GB RAM - Nvidia GTX 1080 LG34WK950U-W, calibrated to DCI-P3 with LG Calibration Studio / Spider 5 iPad Air Gen 5 (2022) A2589 Special interest into procedural texture filter, edit alpha channel, RGB/16 and RGB/32 color formats, stacking, finding root causes for misbehaving files, finding creative solutions for unsolvable tasks, finding bugs in Apps. Link to comment Share on other sites More sharing options...
Staff Patrick Connor Posted April 17, 2020 Staff Share Posted April 17, 2020 Sorry. Thank you for reporting a problem using the pre 1.8.0 beta builds. It appears that a member of the Affinity QA team didn't get round to fully investigating this specific report posted in the bugs forums. We are very sorry for this oversight. Yours is one of a number of reports that I am posting this apology to, using an automated script. Now we have released 1.8.3 on all platforms containing many hundreds of bug fixes, and we hope your problem has already been fully addressed. If you still have this problem in the 1.8.3 release build, then the QA team would really appreciate you reporting again it in the relevant Bugs forum. Report a Bug in Affinity Designer Report a Bug in Affinity Photo Report a Bug in Affinity Publisher Each of those links above contains instructions how best to report a bug to us. If that is what you already did in this thread just copy paste your original report into a new thread. We appreciate all the information that you have including sample files and screen shots to help us replicate your problem. This thread has now been locked as the QA team are not following the threads to which this automatic reply is made, which is why we would appreciate a new bug report if you are still have this problem in the release build. Patrick Connor Serif Europe Ltd Latest V2 releases on each platform Help make our apps better by joining our beta program! "There is nothing noble in being superior to your fellow man. True nobility lies in being superior to your previous self." W. L. Sheldon Link to comment Share on other sites More sharing options...
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