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Found 4 results

  1. Klemen Verdnik

    Tilt and Angle Control

    I've been trying to recreate a simple pencil brush which would utilize the Apple Pencil. I got everything already set up: based on a round brush made a nice repetitive high contrast rough paper texture for the brush texture (works wonderfully) stylus tilt controlling: the diameter of the brush (having it orthogonal to the screen produces a sharp trace, whereas tilting it makes the diameter bigger at a certain threshold) shape (following the same curve as the brush diameter; when non-tilted, it produces a nice round shape, tilting the pen produces a narrow/elliptical trace, again, when it goes over a certain threshold) stylus angle controlling: brush rotation (when the stylus is tilted and as it produces a narrower trace, it should rotate with the angle of the stylus) stylus pressure controlling: the hardness of the brush (if you're shading, pressing it gently will produce a nice subtle narrow trace; as you press it harder, the trace becomes more pronounced) Now, the problem I've been having is that Affinity Photo for iPad is interpreting the stylus input controls differently than expected. Let's go over the tilt control first. How the tilt control should work: having the stylus orthogonal to the screen should read value = 0% tilting the stylus down in any direction (any angle) should increase value > 0% having the stylus almost parallel to the screen should read value = 100% How the tilt control works now: having the stylus orthogonal to the screen reads value = 50% tilting the stylus down to bottom part of the screen (parallel to it) reads value = 100% tilting the stylus to the left or right part of the screen (parallel to it) reads value = 50% tilting the stylus to the top part of the screen (parallel to it) reads value = 100% Now let's go over the angle control of the stylus. How the angle control should work (controlling the rotation which I think goes from 0-50%?): having the stylus tilted to the right part of the screen should read value = 0% (which is 0°) having the stylus tilted to the bottom part of the screen should read value = 12.5% (which is 90°) having the stylus tilted to the left part of the screen should read value = 25% (which is 180°) having the stylus tilted to the top part of the screen should read value = 37.5% (which is 270°) The way how the angle is read in the current implementation is hard to describe, I'll try to make a video or an output it produces. But it definitely doesn't map the degrees of direction the stylus is tilted to the brush rotation.
  2. I am running Affinity Designer on a Surface Pro (2017). The pen on this device supports pressure and tilt, and Windows 10 comes with a built in sketch application that allows the use of a pencil brush where drawing vertically on the surface produces solid lines and tilting the pen down produces grainy strokes that simulate shading with a real pencil. I am wondering if Affinity Designer supports sketching in this manner. I'd love to be able to sketch on a layer, then switch to another layer and continue sketching. I've found evidence that v1.6 supports the Surface Pen, but no specifics about if tilt is included. I've also found a tutorial that talks about tilt on a Waicom pen, though I'm not sure if this is a compromise or the way that Affinity Designer is meant to support the feature I'm after. Can anyone confirm if Affinity Designer supports sketching like this with the latest Surface Pro and pen, and perhaps point me to a tutorial if there is one?
  3. I love the various grids on the crop function in AP, but when you correct image tilt and want to keep as much of the image as possible you have to fiddle with the cropping until you have caught the maximum rectangle. Maybe you already have a function like that hidden somewhere, but if not, it would be great if there was a function which could sense the edge of transparency itself and crop just before that. I would certainly help less gifted people like me :)
  4. Hi everyone! Perhaps it's just me, but I can't get wacom's grip pen tilt sensor to work with the brushes. I was trying with the DAUB markers (the one with the "vertical" shape). I can get pressure sensitivity, but no tilt for changing the shape rotation ... Is this possible? Thanks.
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