#Rawtherapee next image how to
#Rawtherapee next image skin
#Rawtherapee next image code

This creates mechanical vignetting (also known as cat’s eye bokeh),īlocking part of the light from hitting the sensor. The swirly effect is essentially created by the opening of the lens hood being to small. That restricts the paths light can take into the lens.

#Rawtherapee next image how to

How to get swirly bokeh with a lens hoodĪ similar effect to the one produced by these old lenses can be achieved using a lenshood Instead I’ve chosen to emulate it by 3d printing a special lens hoodįor my Sony FE 55/1.8 lens. Just not quite enough to own such a lens myself (yet). This effect is also known is swirly bokeh. I enjoy the swirly blur in the out of focus regions that certain lenses like the historic Petzval produce. Photo taken with the 3d printed swirly lens hood. Playing with different textures could definitely be fun as well.Ĭomments Swirly Bokeh Lens Hood - 3D Printed Obviously the wood effect isn’t the only pattern that could be achieved with this approach. If there is enough interest in texturing features like this I think it would be pretty cool to integrate them directly into the slicer. So the tool is far from perfect but I’m quite happy with the results I got from it so far. When processing g-code I simply look for the perimeter comments inserted by prusa slicer and modify the G1 movement commands. This process could work when integrated into the slicer. I also included a process for directly modifying G-code to test how The displacement mapping can also lead to self intersections. Unfortunately it creates t-juction (when running out of iterations). Luckily there is a simple tesselator built into three.js which I could use. When processing STL files I first tesselate the geometry and then perform the displacement mapping. To test the process I designed and printed a very simple phone stand and a 3D benchy using Polymaker PolyWood filament.īenchy and phone stand on the prusa mini. Instead I’m using a basic volumetric (3d) procedural wood textureĭerived from sine waves and a bit of noise. To prototype the idea and gauge whether there is any interest in it I decided that it would be best to create a little web app using three.js.įor the effect to just work I had to avoid uv maps. I had a quick look at the prusa slicer source and it looked like it would be fairly easy to add.

#Rawtherapee next image skin

That made me wonder whether the wood effect could be achieved directly in the slicer by tweaking the fuzzy skin feature. Just a bit before I also played with the fuzzy skin feature in prusa slicer 2.4. More random noise using a (better) hash function like xxhashĬomments Tool to apply wood textures to 3d printsĪ little while ago I came across an interesting post on reddit on how a wood displacement map can enhance the look of 3D prints.Noise with a controllable period (aka tileable noise).

#Rawtherapee next image code

With tree shaking reducing the impact of rarely used code it could be fun to add a few more features to simplex-noise.js in the future. If you are interested in more details the code is available on github. The noise is then modulated with a few sine waves to create a twisting road, mountains and more flat plains.Īt the highest resolutions the demo is pushing 4096 quads/frame! A bit more than the SuperFX Chip on SNES could handle. The demo uses 2 octaves of 2d noise from simplex-noise.js in a FBM configuration. The performance implications of that decision are pretty terrible but it’s not like the world needs a demo to proof that quads can be rendered more quickly anyways. The release of 4.0 and getting over 1’000 stars on github was a good excuse to write a little demo to celebrate.įor some extra fun I’ve decided to constrain myself to code a bit like I did in 2010 again. As author of a library it enables me to worry less about the bundle size impact of features that might not be used by the majority of users.

Tree shaking reduces the size of bundled javascript by leaving out code that isn’t used. Thew new API enables javascript bundler to perform tree shaking.Įssentially dead code removal based on imports and exports. 4.x allows you to import just the functions you need Import SimplexNoise from 'simplex-noise' The following bit of code should illustrate the changes to the API well: // 3.x forces you to import everything at once It also removes the bundled PRNG to focus the library down to one thing - providing smooth noise in multiple dimensions.

As a nice little bonus, it’s also about 20% - 30% faster.

Based on user feedback the new version supports tree shaking and cleans up the API a bit. I’ve just released version 4.0 of simplex-noise.js.