Lens Distortion Shader

Maya – Cameras Tutorial Part 4 (Lens Distortion) Aldo Vicente talks about the lens distortion shader in the Redshift plugin for Maya. One way to deal with this prob-lem is to transform the image to an undistorted equiva-lent that does not contain lens distortion. There are a range of projection formats offering stereoscopic output for different devices. cone, brightnes, and speed. Rather than render a single quad and using a mechanism to alter the texture coordinates of what's painted at a given pixel, you render the scene as a mesh of many triangles. About HTML Preprocessors. Use black Surface shader of Matte shader to all the objects. There is a general ShaderSettings file (including wet surfaces settings), and decidated files for sun shafts, visors, rainbows, and lens flares. A side effect of the barreldistortion is that less of the screen is filled with the actual image of the environment. Open the "universal shader" folder in a seperate window, then open another seperate window that contains all of your shaders. Just a simple shader (1 point light, 1 directionnal light) for users who haven't used the shaders with agk yet. It has an industrial look to it. Typically caused by wide angle lenses, or at the wide end of a zoom lens. This is a Lens Distortion Camera Node for the Solid Angle Arnold render engine, (www. However, texture coordinates are distorted, resulting in a magnifying lens effect or a fisheye lens effect. Rain fx Lava shader and hot rock shader. old crt monitor shader - distortion, scale, rgb lines simulation, and. You can see the effect of just increasing the lens_circle_multiplier value to 1. Click Add to open a browser. First off, to a great surprise, Qualcomm Adreno 320 is the first GPU with unified shaders, designed for advanced rendering modes. Creating and setting up a new Global shader via a Plugin. This is an extended version that provided additional shading without vignetting the camera FOV when using longer focal length lenses. Also a post-process suggestion, but if it’s a still you can use PTLens. The approach generally involves determining the distortion introduced by a lens, and modifying a captured image to. And because this is a lens shader, you can create a severe distortion without causing the stretching problem associated with similar post-rendering effects. The first step was to do research in order to identify lenses from which to derive distortion parameters. Basically, red/green is which direction to displace the pixel by, blue is how much to displace by. 8倍の望遠ズームレンズ。光学式手ブレ補正機能を内蔵し、望遠撮影時の手ブレも抑えます。また、レンズ内モーターと. lucille_occlusion-(2. As with the results for lateral chromatic aberration, we’ve overridden Nikon’s automatically-applied built-in profile to reveal the maximum variation in geometric distortion. There are three types of image keying that can be applied to an object, material or scene in Title Studio: Key-Chroma Key is used for compositing footage shot using a blue, green, or red screen as a backdrop over a new. 5mm lens, connected via HDMI to an Avermedia Gamer HD2. You can see how…. For those of you familiar with shader language, you can see its actually pretty simple. Set it to 0 to disable distortion on this axis. Real-Time Ray Tracing Settings. Lenses in pathtracers are ignored. When rasterizing lines and triangles using OpenGL, the primitives' edges however stay straight, no matter how you transform the vertices. But with these I can get perspective correction like in those Star Wars pictures, or like in Resident Evil 7. mi::Float32 mip_lens_distortion_scale = 1. 0 based lens distortion shaders #96 Wallbraker merged 1 commit into OpenHMD : master from BastiaanOlij : ogl3_shaders Mar 1, 2018 Conversation 10 Commits 1 Checks 0 Files changed. Distortion Types. Names you'll often see include Tiffen, Hoya, Heliopan, and Canon filters. The code for vertex and shader is from Paul. Build shaders, share them, and learn from the best community. SONICETHER, MAXG3D: Author of the original Bloom code. 0 results in completely hemispherical distortion. God rays shader - can set angle. Center Y: Set the Distortion center point (Y axis). fsh and have been merged with lens flare code to reduce duplicated code. Shaders The shaders themselves have several settings files - those end with. Essentially, what this would look like if viewed from above (ignoring the sphere):. pk3 RECOMMENDED WITH: Is this trippy shader not enough alone? Are you brave enough?. RICOH does not make detailed lens parameter information available. There are a range of projection formats offering stereoscopic output for different devices. Lens Distortion: lens distortion on demand; PP Moving Filter: move a post processing filter in or out of the camera; Vignette: control vignette parameters over time; Renderer. Little test getting some primitive lens distortion and aberration directly in camera by putting a plane with a glass shader in front of the camera. I'm working from the Fisheye example, which distorts a scene camera's view to simulate a fisheye lens. using a fragment shader. This would avoid having an intermediate texture. God rays shader - can set angle. If you use standard cameras in most 3D programs you don’t get correct distortions on your CG elements anyway (as they are simple pinhole cameras as in AE), only things such as Mental Ray’s lens shaders will do that. (not tested yet) – In the webplayer its bit slow moving, too strong effect (and looping) just to see it better. Curvilinear Distortion Analysis of the camera’s raw files reveals that Panasonic has adopted its usual approach of leaving a little more barrel distortion than would be usual if this were a DSLR. The final projection style for both videos and images is equirectangular projection. There is a general ShaderSettings file (including wet surfaces settings), and decidated files for sun shafts, visors, rainbows, and lens flares. Lens Click to assign a lens shader. In this video tutorial you’ll see how to film the Lens Distortion Grids, how to use in Nuke, and why the Lens Distortion is important for the success of good visual effect. Its not a physically correct fisheye lens. In the embodiments that follow, approaches are described that harness the functionality of pixel shaders to manipulate images on a per pixel basis. Andrew Hazelden has done some work on a a latlong shader that you could try. Vilson instead assigns an Xpresso tag where the Redshift Camera tag gets added. It allows to add lens distortions that can be added through an angular table in the instrument parameters. I have updated the MR fisheye lens shader with some new parameters to control the amount of distortion and x, y and z scale. Real-world lenses can show such distortion when using, for example, a very short focal length or a high zoom. It merely bends the rays away from the camera axis depending on their angle to the camera axis. X Multiplier: Set the Intensity multiplier on X axis. Mesh based distortion is different. We will only be using the Fragment Shader which in GameMaker is the second tab along, this code runs on the graphics card for every pixel on the screen. When we look at it through the distorting lenses, the image looks neutral: Lens distortion is well understood mathematically, governed by equations like these, with distortion coefficients corresponding to the particular lens. The shader thread? Thread starter Mr Whippy; Start date Jun 17, 2010; Prev. About Eat 3D: Eat 3D has been feeding your brain…. Lenses bend and project light from 3-dimensional objects onto 2-dimensional arrays. Also a post-process suggestion, but if it’s a still you can use PTLens. The Lens Distortioneffect simulates the shape of a real-world camera lens by distorting or undistorting the final rendered picture. Our Bloom solution is based on a technique commonly used in AAA games, focused on reducing flickering/firefly artifacts. 0)) camera_bp. Developers often ask for this information to improve stitching. Get the Lens Distortions mobile photo app for iOS and Android. Vilson instead assigns an Xpresso tag where the Redshift Camera tag gets added. Personally I hate this post effect. The cameras page has more details about the controls. Camera lenses cause lens distortion that have to be taken into account when estimating vehicle positions, size, etc. Further detailed investigation of symmetriad makes it to create an environment that is based on scientist memories about his childhood on Earth. So I decided to create this MOD - now you can enjoy. DOWNLOAD: GZDoom_wobbly_shader. usf: Generate lens distortion and undistortion UV displacement map into a render target. set_attribute('lens_circle_multiplier', str(0. Intel International Science and Engineering Fair 2012 Program May 13–18, 2012 Pittsburgh, Pennsylvania Matthew Feddersen and Blake Marggraff 2011 Gordon E. Let's have a look at the newest Battlefield's settings and FPS Boost potential. These nodes distort the image in some fashion, operating either uniformly on the image, or by using a mask to vary the effect over the image. Although it is an artefact, there are a number of motives for simulating lens flare for use in computer graphics: it increases the perceived brightness and the apparent dynamic range of an image. ROXAHRIS: ENB Port of Martin Grain and Overlay. Instead positions, normal, material info is gathered. Domemaster3D. Lens distortion is non-linear, and therefore the reverse lens-distortion is also non-linear. Written in CG and for Unity’s shader system, the fragment program is shown in the image. Runtime and Editor Blueprint support. In Arnold, volume fog will show up in the Emission AOV which is problematic. Noise particles. They achieved stunning graphics using a variety of HDRP effects, like adjusting exposure, tonemapping, subsurface scattering, volumetric lighting, color grading, and lens distortion. It offers automatic as well as manual correction options, and gives satisfactory results. Distortion Types. Intel International Science and Engineering Fair 2012 Inspired to Change Our World. The fuzziness can be improved somewhat with a custom high-quality filter (e. A set of easy to follow fullscreen shaders with easy to follow comments to aid understanding and can easily be implemented into a game. No real 3D, no FOV-correction, no sensor input and it's DX9-11 only. Both versions of the 28-105 have curved aperture blades, but those on RS version do seem to form a slightly smoother shape. ROXAHRIS: ENB Port of Martin Grain and Overlay. In this paper, a new model of camera lens distortion is presented, according to which lens distortion is governed by the coefficients of radial distortion and a transform from ideal image plane to real sensor array plane. 2 thoughts on "(Shader Library) Fish Eye, Dome and Barrel Distortion GLSL Post Processing Filters" fenbf 2014/02/13 at 13:42. It also contains documentation on how to create a workspace for building compilers and an example that compiles the OpenGL lighting equation into a DirectX. -Toggle slight lens distortion (warping in corners of screen) & chromatic aberration (color bleeding on objects’ edges toward the edges of the screen) – 2 on numberpad-Toggle sharpness – 5 on numberpad-Toggle film grain – 3 on numberpad-Letterbox (“Teh Black Barz”) – 0 on numberpad. Anamorphic lenses provide cool cinematic and artistic features such as the Cinemascope aspect ratio, pleasant lens distortion and unique out of focus rendering. 0, will the lens be truly hemispherical. cone, brightnes, and speed. On the Lens Shaders tab, the lens shader stack appears. It requires the fabulous shader option to be turned on. I also added a property slider to the shader to allow the distortion amount to be updated in the editor. And because this is a lens shader, you can create a severe distortion without causing the stretching problem associated with similar post-rendering effects. Because of the recent release of DirectX 9. My algorithm will undistort the image, straightening lines that should be straight. River shader. Global brands. 26 - In this demonstration, Jeremy Baldwin shows how to create a cubic lens distortion shader within Unreal Engine 4. The mustache distortion, appearing as a bulge in the middle of the frame, is rather strong. 2D Techniques – Lens Aberrations and Effects • Lens Aberrations and Effects using Blur, DirBlur, Defocus, EdgeBlur, Convolve, Soften, Sharpen, Glow, Flare, Sparkles, Glint, GodRays and VolumeRays • Creating a custom Chromic Aberration effect. A small but very cool new update to Materials and Textures in Cinema 4D R17 is the addition of the Variation Shader. Distortion - learn how to implement a variety of screen-space distortion effects ; Fluid Shader - real-time fluid dynamics (give the author credit if used!) FX Composer - a powerful integrated development environment for shader authoring ; NShader - Syntax Highlighting for your HLSL files. To correct for radial distortion the following formulas can be used: So a pixel position ( x , y ) in the original image will be remapped to the pixel position ( x _{c o r r e c t e d }, y_{ c o r r e c t e d} ) in the new. The problem is with the field of view and the focal length of the camera taking the view. Distort Nodes¶. It is not, for now, mandatory but recommended to leave the alpha channel to 1. MATSO: Author of the original Chromatic Aberration used in the DOF. As usual with this kind of stuff, beware of possible motion sickness and headaches. What I did was import the image, create the guide lines with grease pencil and move the sliders, like in the video, and nothing happens. The pixel shader directly compute the distort viewport UV to undistort viewport UV displacement using Sv_Position and the reference equations and store them into the red and green channels. This will allow us to use that distortion file in after effects to undistort the plate, or DISTORT our CG elements into that footage. The method I used is extremely fast as it doesn't use the lens distort+blur method; Sharpening : Sharpen the render ; Chromatic Aberration : Add chromatic aberration (aka lens dispersion or fringe). Implementations may include any or all of the following features. ) The interacting objects no longer have to be on pickup or walkthrough, the default layer works just fine now 3. More info about chromatic abberation effect can be found here. It is assumed that the distortion close to the optical center is zero therefore a regular grid is calculated based on the geometric positions of the 9 structures (3x3) in the center of the image. Lens distortion is non-linear, and therefore the reverse lens-distortion is also non-linear. Features advanced Noise options, wind and more!. Download it HERE Using his lens shader, you can render spherical panorama, then, with a stiching program like EasyPano, you could convert it to a cubic panorama, which you can use in your project. In general, you should try to use FFR as much as possible, and set it to as high a level as possible, but you should test your content and look for any undesirable visual. Pastebin is a website where you can store text online for a set period of time. Working with Daughter. To measure the distortion for these systems the lens geometric distortion is used. unity shader graph refraction on 12/14/2020 Total Views : 1 Daily Views : 0. 00:00 Introduction 00:32 Why should you use a Lend Grid? 00:49 Two. Turning on "Lens distortion effect" in the OpenGL preferences (or typing "gl_lens 1" into the console) is highly recommended for the full effect. Vignette: Only to be used in very small amounts. It distorts this unit square into a disk-like "ring" for use in sword battles etc. The full shader contains now back our image source as variant property and we have left out the vertex shader, which if not specified is the default vertex shader. The overall effect is pretty neat but surely there's way more styles you can do with all the tools availible and i'll probably try some new ones at times while improving the ones i prefer. Lens distortion usually turns straight lines into curves. (Unless someone has found a way to re-implement the distortion system. 8倍の望遠ズームレンズ。光学式手ブレ補正機能を内蔵し、望遠撮影時の手ブレも抑えます。また、レンズ内モーターと. This is a small mod that works by including modified copies of the func_normal. However, instead of doing a fancy modern GPU based scatter blur shader, you can just go old-school instead. Sony NEX second tele lens. - Implemented a workaround that should fix missing shadows, optifine bug. Browse other questions tagged shader pixel-shader fragment-shader or ask your own question. But with these I can get perspective correction like in those Star Wars pictures, or like in Resident Evil 7. 6 – Fish Eye Lens Shader Here is a collection of some post processing filters in GLSL I found on the web about fish eye and other barrel / dome distortion. This is an extended version that provided additional shading without vignetting the camera FOV when using longer focal length lenses. Written in CG and for Unity’s shader system, the fragment program is shown in the image. Patent: Distortion Meshes Against Chromatic Aberrations Publication Number: 10438331Publication Date: 20191008Applicants: IntelAbstractSystems and methods may provide a plurality of distortion meshes that compensate for radial and chromatic aberrations created by optical lenses. Lens distortion usually turns straight lines into curves. When we look at it through the distorting lenses, the image looks neutral: Lens distortion is well understood mathematically, governed by equations like these, with distortion coefficients corresponding to the particular lens. First off, to a great surprise, Qualcomm Adreno 320 is the first GPU with unified shaders, designed for advanced rendering modes. 3-17-0036-00-0000-VR Lens Distortion 5 The solution is to apply barrel distortion to the image. You can see the effect of just increasing the lens_circle_multiplier value to 1. Lens distortion correction Temporal anti-aliasing Time warp Space warp Adaptive display Really just an assortment of asynchronous pipelines! Localization and mapping Scene reconstruction Scene understanding Microphone array processing HRTFs Ambisonics Challenges: Many domains, difficult to integrate multiple code bases, modeling graphics. Here's the idea (haven't tested the code, sorry):. Here, X and Y is normalized coordinate (0. Chromatic Aberration Shader can be used on a specified sprite or background, or on fullscreen. it sort of works but it shrinks my frame down for some reason. com/DistortionShaderProject. In particular, in some embodiments, pixel shaders are used to correct distortion in a digital image, such as the distortion introduced by a camera lens. The difference between the two is this; in the former shader, the geometry does not distort. This process commonly introduces distortions, where distances and geometry in an image will be distorted geometrically from how they exist in space. In GTA V to simulate a real-world camera, a lens-distortion is performed on the image by using a small pixel shader. Create and Share Blender Assets. (WIP) - Improved nether fog and sky rendering, everything is smooth now since it uses slightly adjusted vanilla fog. usf: Generate lens distortion and undistortion UV displacement map into a render target. Hello, I am noticing a slight warping of the displayed image as I turn my head in the Vive Focus. The shader thread? Thread starter Mr Whippy; Start date Jun 17, 2010; Prev. This fisheye parameters simulate a hemispherical (fisheye) lens capable of rendering a 180-degree field of view with characteristic hemispherical distortion typical of real-world fisheye lenses. DOWNLOAD: GZDoom_wobbly_shader. What I did was import the image, create the guide lines with grease pencil and move the sliders, like in the video, and nothing happens. The only reason I don't want to add this to my own Shader it already has a heavy toll on GPU usage at Higher resolutions like 4k. Build shaders, share them, and learn from the best community. Just a simple shader (1 point light, 1 directionnal light) for users who haven't used the shaders with agk yet. In this video tutorial you’ll see how to film the Lens Distortion Grids, how to use in Nuke, and why the Lens Distortion is important for the success of good visual effect. For fixing the pin-cushion distortion the opposite of it, named a barrel-distortion, can be applied which will cancel out the effect. The Variation shader is found under "effects" when adding texture options to materials. ROXAHRIS: ENB Port of Martin Grain and Overlay. The shader based method rely on manipulating the texture coordinates when you render a quad containing your scene texture. To measure the distortion for these systems the lens geometric distortion is used. Few years ago I ported HLSL Cubic Lens Distortion shader made by a really nice guy François Tarlier. So I decided to create this MOD - now you can enjoy. Oblivion Reloaded changes the vanilla shaders and supports several built-in effects, but it has also a custom engine to support any new own effect. In addition to high-quality Bloom, the package includes a comprehensive collection of extra features such as Flexible Temporal Filtering, Procedural Pseudo-Flares, Bokeh Filter, Anamorphic Glare, Lens Dirt and Starburst. MATSO: Author of the original Chromatic Aberration used in the DOF. To undo the distortion. Distortion Types. Lower is better. I typically use 120 mm wide angle lens for my scenes ( 0. I got highlights where I mostly want it and i ditched the lines for some depth of field and lens distortion. Among all the aberrations, the lens distortions are the most common. 5mmから望遠315mm相当(*)までの撮影領域をカバーする、スリムかつ軽量なEマウント専用光学約3. Comparisons and additional previews can be viewed here. Does such a feature exist? Are there any workarounds? I use a z-cam E1 with a Meike 6. 6 – Fish Eye Lens Shader; 3 – Dome Distortion Shader. If your models have fine enough tesselation, then incorporating the distortion into the vertex transformation is viable. The mustache distortion, appearing as a bulge in the middle of the frame, is rather strong. set_attribute('lens_circle_multiplier', str(0. I think, a Lens Distortion is too much calculation happening for only getting a black and white mask out. Keying Shaders allow the user to define a color key to add transparency to the source for advanced compositing effects. The overall effect is pretty neat but surely there's way more styles you can do with all the tools availible and i'll probably try some new ones at times while improving the ones i prefer. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug. ” [Stitching Tutorial, 06] Image 1: Barrel distortion and Pincushion distortion. The shader runs separately on each camera image and there there is no impact on frame rate. For TLBM we decided to approach lens distortion more authentically, starting with implementing it in our Glimpse renderer, rather than by applying it as a post-render process. 7 KB tweaking the IOR setting seems to kind of make it better, but to get it to go away completely I have to set it to 0, and then I lose that nice distortion on the reflections. In this stream we're gonna explore some of the new features as well as templates in Lens Studio 3. Webplayer:. Perspective Distortion*. The distortion just falls off from the center (or inward from the sides). radial_distortion. The rectified image is not perfect, and distortion is still visible at the corners of the image frame but it is significantly improved over the unprocessed image. 02 in the dispersion parameter. Real-Time Ray Tracing Settings. Real lenses always have their own lens distortion. Y Multiplier: Set the Intensity multiplier on Y axis. I got highlights where I mostly want it and i ditched the lines for some depth of field and lens distortion. Departing from micropolygon rendering, which was a cornerstone of Pixar’s signature look for over 25 years was a big undertaking. Not both at the same time. Not necessary Sun/Sky Shader – timezones. Explanation. Open the "universal shader" folder in a seperate window, then open another seperate window that contains all of your shaders. 5mmから望遠315mm相当(*)までの撮影領域をカバーする、スリムかつ軽量なEマウント専用光学約3. Take an image that has geometric lens distortions, where straight lines are curved. 3-17-0036-00-0000-VR Lens Distortion 5 The solution is to apply barrel distortion to the image. The final projection style for both videos and images is equirectangular projection. The shader effect applies custom shaders and the shader effect source renders a QML item into a texture and renders it. This lens shader enables the rendering of VR images. Flicker: lets you rapidly change the color of a material; Material: changes the material of the target renderer everytime it's played. Appears when otherwise. vs, place it in your media folder. - CHANGED, Sun glow at night no longer has the same redish color like daytime. 91r² to a OpenCV lens model. Sound shaders: the mainSound() function returns a vec2 containing the left and right (stereo) sound channel wave data. On page 2, in addition to your untouched video, you should have 3 more examples: bump mapping using the video as a source (very likely embossed or posterized) with a moving light. The lmWarpDistort shader is a lens shader that changes the rays directions according to its distortion parameters. 2D Techniques – Lens Aberrations and Effects • Lens Aberrations and Effects using Blur, DirBlur, Defocus, EdgeBlur, Convolve, Soften, Sharpen, Glow, Flare, Sparkles, Glint, GodRays and VolumeRays • Creating a custom Chromic Aberration effect. As the camera has severe lens distortion, it should be considered in the rendering stage. I just printed off this grid and snapped a picture of it at a 90° angle, then read it in Nuke and used a lensDistortion node to analyze this grid, copy pasted the node and plugged it into my main node network. usf: Generate lens distortion and undistortion UV displacement map into a render target. Latest Update: 09/01/16. This should be easy to do. This is an extended version that provided additional shading without vignetting the camera FOV when using longer focal length lenses. In this paper, a new model of camera lens distortion is presented, according to which lens distortion is governed by the coefficients of radial distortion and a transform from ideal image plane to real sensor array plane. Lens Distortion: Often, people find this effect makes them really uncomfortable. In this paper, we describe a new technique based on Raskar's (1998) two-pass rendering algorithm that is able to correct for both arbitrary display surface geometry and the extreme lens distortion caused by fisheye lenses. A scanned color 3D point cloud is already given and loaded in opengl. This will allow us to use that distortion file in after effects to undistort the plate, or DISTORT our CG elements into that footage. Lens Calibration from MediaPlayer, MediaTexture & MediaBundle. You can see the effect of just increasing the lens_circle_multiplier value to 1. It requires the fabulous shader option to be turned on. Proxies allow for powerful shader, matte and visibility flag overrides as often required in production. These controls let you assign mental ray camera shaders. I decided that rather then make a video tutorial about Inkscape Filter Effects that I’d just provide a sample of every single Inkscape Filter Effect. Set the value for the total distortion amount. This is a short demo of the complete workflow to get your lens distortion out of Blender using STmaps, beginning to end. old crt monitor shader - distortion, scale, rgb lines simulation, and. like a sphere which is abled to perform a distortion on the whole world including, but not limited to, the environment (means everything should get distortet within a defined radius from ray cast hit point). The shaders that come with the HoloToolkit are typically much more performant in HoloLens apps and should be preferred. And, uh it gives this trippy effect. Flicker: lets you rapidly change the color of a material. To correct for radial distortion the following formulas can be used: So a pixel position ( x , y ) in the original image will be remapped to the pixel position ( x _{c o r r e c t e d }, y_{ c o r r e c t e d} ) in the new. In GTA V to simulate a real-world camera, a lens-distortion is performed on the image by using a small pixel shader. Lens Distortion: Lens-Matched Shading. 2D Techniques – Lens Aberrations and Effects • Lens Aberrations and Effects using Blur, DirBlur, Defocus, EdgeBlur, Convolve, Soften, Sharpen, Glow, Flare, Sparkles, Glint, GodRays and VolumeRays • Creating a custom Chromic Aberration effect. It allows to add lens distortions that can be added through an angular table in the instrument parameters. Category: Lens Shader Family: Lens Output: Color The Lens Effects shader allows for a variety of lens-distortion effects useful for simulating distorted perspectives often found in hand-drawn artwork and non-photorealistic rendering. The Mali-D77 added features including Asynchronous timewarp (ATW), Lens Distortion Correction (LDC) and Chromatic Aberration Correction (CAC). I typically use 120 mm wide angle lens for my scenes ( 0. Requirements: 3DE4 R4. The pole is not really bent, that's distortion from the camera's wide-angle lens. The default camera. Scene Setup. Set it to 0 to disable distortion on this axis. But there are plugins which can add a fisheye lens shader into a render engine that doesn’t have it built-in yet. Looking at the specs and measurements, the Canon RF vs. Note: both the images above and the comparison ones where taken with some additionals graphics mods (No Chromatic Aberration and Lens Distortion, Higher Quality HBAO and the VisualV shaders) installed, so it will always look a bit different. Webplayer:. Lens flare is a photographic artefact, caused by various interactions between a lens and the light passing through it. I would love to be able to fix the distortion for both live streams and recordings via OBS. I provide a sample of every single Inkscape Filter Effect. Blend map image. June 24 2020 - Intro to Lens Studo 3. blur on the edge of the lens ; lens distortion ; depth-of-field blur based on actual optics equation (the simulated lens has an inverse focal length of 0. If your models have fine enough tesselation, then incorporating the distortion into the vertex transformation is viable. The method I used is extremely fast as it doesn't use the lens distort+blur method; Sharpening : Sharpen the render ; Chromatic Aberration : Add chromatic aberration (aka lens dispersion or fringe). Hi all, don’t miss this VFX resource by Hugo’s desk. A common distortion which might occur when dealing with computer vision tasks involving wide-angle cameras is barrel distortion caused by a greater magnification at the center of the lens compared than the one at the edges. The shader based method rely on manipulating the texture coordinates when you render a quad containing your scene texture. The first step was to do research in order to identify lenses from which to derive distortion parameters. Lens flare is a photographic artefact, caused by various interactions between a lens and the light passing through it. (more…) Posted in Blender , compositing , Filmmaking , Natron , Nuke , Tools , Tracking and tagged compositing , expressions , Fusion , lens distort , lens distortion , matchmoving , Natron , Nuke , STmap , STmaps. A collection of shaders than can be used to create a full screen effect or a transparent lens effect. 0) in the rendered image, R, G and B is color element value in the distortion map (0-255). * Distortion Maps can be used for a variety of purposes and can be hugely over-powered * Animate and modify multi-layer image-warping effects in realtime * Over 40 highly-optimized, mobile and desktop friendly shaders - Shader Model 2 where possible, also model 3 but only when necessary (e. Developed by Former Modeling Intern at MPC - Zeno Pelgrims, ZOIC is a camera shader for the Arnold renderer capable of simulating some optically imperfect lens effects. I have attempted to create a gravitational lensing effect with a refraction shader, but the results don't look very good. With sampling maps to change the. Please set your cookie preferences for Targeting Cookies to yes if you wish to view videos from these providers. A set of easy to follow fullscreen shaders with easy to follow comments to aid understanding and can easily be implemented into a game. What I'm trying to do in this first iteration is basically make a post-process shader lens to fix the distortion. It is a set of shaders that extends creative control and physical correctness, while significantly reducing the time (~30x) needed to render bokeh through bidirectional sampling of camera rays. The mustache distortion, appearing as a bulge in the middle of the frame, is rather strong. In shader graph, I’ll use the technique I discussed in shader graph normals. Set it to 0 to disable distortion on this axis. com/en/#!/content/62426). Comparisons and additional previews can be viewed here. The distortion model may represent distortion provided by the lens. Gives instant previews! Automatically zooms to hide areas left blank by rotation or distortion transforms. 0)) camera_bp. Features: No programming or scripting is needed. They achieved stunning graphics using a variety of HDRP effects, like adjusting exposure, tonemapping, subsurface scattering, volumetric lighting, color grading, and lens distortion. Our background is now ready, so let’s see how we can add the desired effect (Cubic Lens Distortion) to the whole stage, including the background and any other element that we add later, like images. All this step is performed in a single pixel shader: heat distortion is applied reading the distortion map data; the bloom texture is added on the top of the HDR lighting buffer; effects like vignetting, dirt / lens flares are performed. This means you can set the distortion amount by eye while running the game which makes tuning it super easy. Build shaders, share them, and learn from the best community. Also, Francois has a tutorial for the UVPass shader:. Perspective Distortion*. Fisheye Lens (Hyperbolic Lens) Vertex Shader in GLSL Today I will write about my fisheye (hyperbolic) lens shader. Lens Calibration from MediaPlayer, MediaTexture & MediaBundle. Radial distortion, with negative and positive values resulting in pincushion and barrel distortion respectively. You can adjust the FFR level on a frame-by-frame basis in order to achieve the best tradeoff between performance and visual quality. blendfunc blend makes the black pixels of the texture's alpha channel invisible. In GTA V to simulate a real-world camera, a lens-distortion is performed on the image by using a small pixel shader. Lens distortion usually turns straight lines into curves. For those of you familiar with shader language, you can see its actually pretty simple. It seems the shader method is the best. Written in CG and for Unity’s shader system, the fragment program is shown in the image. You can paint more complicated or animated distortions like engine haze or something, though. Demonstration Video. Anamorphic lenses provide cool cinematic and artistic features such as the Cinemascope aspect ratio, pleasant lens distortion and unique out of focus rendering. Redshift offers multiple camera lens types that include Fisheye, Spherical, Cylindrical, and Lens Distortions. In this video, we are creating a Distortion Shader using Shader Graph in Unity 2019! Download the project here: https://ole. And because this is a lens shader, you can create a severe distortion without causing the stretching problem associated with similar post-rendering effects. There are a range of projection formats offering stereoscopic output for different devices. Does such a feature exist? Are there any workarounds? I use a z-cam E1 with a Meike 6. Lens Click to assign a lens shader. Lens shift is often used for architectural photography because it can help correct perspective distortion or even maintain perspective while changing the composition of the picture. For TLBM we decided to approach lens distortion more authentically, starting with implementing it in our Glimpse renderer, rather than by applying it as a post-render process. In this paper, we describe a new technique based on Raskar's (1998) two-pass rendering algorithm that is able to correct for both arbitrary display surface geometry and the extreme lens distortion caused by fisheye lenses. Lava spray fx and lava pool lighting. When we distort vertices in the vertex shader, the line between them remains a line, when in fact it should be a curved arc. 8倍の望遠ズームレンズ。光学式手ブレ補正機能を内蔵し、望遠撮影時の手ブレも抑えます。また、レンズ内モーターと. Use black Surface shader of Matte shader to all the objects. In this video, Aldo Vicente shows how to use the lens distortion shader in the Redshift plugin for Maya. I was thinking of doing some scifi models, and it would involve a kind of gravity lens effect, where light is distorted and warped by a powerful gravity field. distortion of face orientation. * Distortion Maps can be used for a variety of purposes and can be hugely over-powered * Animate and modify multi-layer image-warping effects in realtime * Over 40 highly-optimized, mobile and desktop friendly shaders - Shader Model 2 where possible, also model 3 but only when necessary (e. I'd rather have a distortion that "pulls" or "bends" the image behind into a small hole. Like the K1/K2 Lens Distortion, this effect can apply or rectify lens aberrations. Lens distortion significantly squashes the periphery of the image and isn’t perceived by the user. In the field of applied optics, an important part of analysis is the lens abberation quantification. Pastebin is a website where you can store text online for a set period of time. 00 USD or more. Only works for positive distortion. Lens distortion with fisheye camera Wireframe analysis with Ai Utility shader 3m 20s Smooth mesh subdivisions at render time 3m 2s Deforming a mesh with displacement. Distortion Lens - Modifying the Landscape The Distortion Lens distorts the landscape behind it and pushes deformable elements from the center towards the outer radius of the lens. I'm fixing the lens distortion using Grease Pencil and a checker image as guide, but the lines doesn't seem to distort moving the K1, K2 and K3 sliders. This means you have the ideal tool for the most discerning photographer in the palm of your hand. The shader based method rely on manipulating the texture coordinates when you render a quad containing your scene texture. - scratch and etc + vignette. Lentil is an advanced camera toolkit for the Arnold renderer. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug. Lens distortion correction Temporal anti-aliasing Time warp Space warp Adaptive display Really just an assortment of asynchronous pipelines! Localization and mapping Scene reconstruction Scene understanding Microphone array processing HRTFs Ambisonics Challenges: Many domains, difficult to integrate multiple code bases, modeling graphics. By looking at a architectural diagram (pictured below), Adreno's GPU architecture is starting to look more like the advanced graphics architectures from AMD and NVIDIA. Turning on "Lens distortion effect" in the OpenGL preferences (or typing "gl_lens 1" into the console) is highly recommended for the full effect. I would love someone in the comments to convert the lens radial distortion equation phi = 85. GRAVITATIONAL LENS – 2 shots. If your shaders are stuck installing at a certain number, launch the game and go into the graphics page. Conversation 10 Commits 1 Checks 0 Files changed Conversation. The plurality of distortion meshes may include different lens specific parameters that allow the distortion meshes. A very bad possible one is, for instance: Conclusion. Almost every cinematic feature is on a toggle key and there are many, DoF and lens flares to lens dirt, anamorphic camera distortion, and godrays. Lens Calibration from MediaPlayer, MediaTexture & MediaBundle. ” [Stitching Tutorial, 06] Image 1: Barrel distortion and Pincushion distortion. 1 Fabulous shaders for 1. Instead positions, normal, material info is gathered. It does not only distorts the image, it also introduces small chromatic aberrations on the edges of the frame, by slightly distorting more the red channel compared to the green and blue ones. For example, the method may further include combining the distorted computer graphic with an image captured with a lens. Distortion Types. The "Lens Distortion" lens shader allows the rendered image to be distorted via a "UV Map" image. Our background is now ready, so let’s see how we can add the desired effect (Cubic Lens Distortion) to the whole stage, including the background and any other element that we add later, like images. This means you can set the distortion amount by eye while running the game which makes tuning it super easy. Anamorphic lenses provide cool cinematic and artistic features such as the Cinemascope aspect ratio, pleasant lens distortion and unique out of focus rendering. - ADDED, Cloud "distortion" for a more realistic movement. To illustrate the cosmological phenomenon of gravitational distortion that bends the light rays near the massive galaxy clusters, we had to create a specific camera lens shader simulating a spatial distortion. Latest Update: 09/01/16. float k = -0. In particular, in some embodiments, pixel shaders are used to correct distortion in a digital image, such as the distortion introduced by a camera lens. If a lens is perfectly corrected, both values would be at 0µ (indicated by the grey horizontal line in the center of the graph). Water splash fx. Advanced OpenGL source port fork from ZDoom, picking up where ZDoomGL left off. A collection of shaders than can be used to create a full screen effect or a transparent lens effect. If you use standard cameras in most 3D programs you don’t get correct distortions on your CG elements anyway (as they are simple pinhole cameras as in AE), only things such as Mental Ray’s lens shaders will do that. set_attribute('lens_k', str(-1. 32-bit: Yes 64-bit: No. The lens element can be ordered from Edmund Optics, and the download includes instructions on assembling the pieces. If your models have fine enough tesselation, then incorporating the distortion into the vertex transformation is viable. Distortion correction: distorting the rendered image in a such a way that viewing it through the Rift lenses makes it look correct ; Chromatic aberration correction: this is a bonus step that aims at reducing color fringes introduced by the lenses; Accelerated 3D on the Raspberry Pi means using OpenGL ES, much like any mobile platform these days. It has more distortion at 28 mm than the Minolta 28 mm primes lens but less distortion at 35 mm than the DT 35 SAM. I’ll show you our chromatic aberration shader. What I did was import the image, create the guide lines with grease pencil and move the sliders, like in the video, and nothing happens. Not both at the same time. … When that's completed rendering, store it as a snapshot … in memory by clicking the camera icon … in the lower right of the Arnold render view. This will allow us to use that distortion file in after effects to undistort the plate, or DISTORT our CG elements into that footage. Most of the time the distortion is radial and is corrected using shaders in the frame. First we are going to make a new shader with Alt+A and you will notice it comes as two files, the Vertex Shader and the Fragment Shader. Scene Setup. In the embodiments that follow, approaches are described that harness the functionality of pixel shaders to manipulate images on a per pixel basis. 0 the resulting distortion is still too heavy in comparison to the distorted image out. 6 - Fish Eye Lens Shader Here is a collection of some post processing filters in GLSL I found on the web about fish eye and other barrel / dome distortion. To correct for radial distortion the following formulas can be used: So a pixel position ( x , y ) in the original image will be remapped to the pixel position ( x _{c o r r e c t e d }, y_{ c o r r e c t e d} ) in the new. If you paint them, you must do it channel-by-channel. But today there will be code. Essentially, what this would look like if viewed from above (ignoring the sphere):. 5); Here's a shadertoy link if you wanna play with it and figure out how it works. Lens distortion is non-linear, and therefore the reverse lens-distortion is also non-linear. The "Lens Distortion" lens shader allows the rendered image to be distorted via a "UV Map" image. x Hey everybody! ReShade 3. We now have refraction. 5mm lens, connected via HDMI to an Avermedia Gamer HD2. Matt shares some very clever use cases for our visual effects and a full breakdown of how. … Now, let's introduce the fisheye distortion. Understand lens distortion. Center Y: Set the Distortion center point (Y axis). Now all the camera-based sensors are provided with and additional lens distortion shader. 00:00 Introduction 00:32 Why should you use a Lend Grid? 00:49 Two. It does not only distorts the image, it also introduces small chromatic aberrations on the edges of the frame, by slightly distorting more the red channel compared to the green and blue ones. CG Masters is an art training platform for everything Blender. Gives instant previews! Automatically zooms to hide areas left blank by rotation or distortion transforms. 0, and the release of vertex and pixel shader 2. Full screen sand storm shader. lns files (which are produced using C4D's lens distortion tool) directly on render settings to distort the final render, so it will fit your original, lens-distorted footage. It causes sickness in VR. About HTML Preprocessors. Comparisons and additional previews can be viewed here. GPUs have successfully been used in a large variety of computationally intensive. I've been looking around and all I can find are "lenses" which bend space around a black hole. 3D image calibration was performed to remove the image distortion by automatically adjusting rendering parameters to compensate the mismatch between the LCD and the lens array. Note: Francois has other Pixel Bender filters too -- see Cubic Lens Distortion filter for After Effects + Chromatic Aberration (a port of the SynthEyes Lens Distortion Algorithm for matchmoving). I decided that rather then make a video tutorial about Inkscape Filter Effects that I’d just provide a sample of every single Inkscape Filter Effect. 00:00 Introduction 00:32 Why should you use a Lend Grid? 00:49 Two. 0)) camera_bp. Description (in author’s own words): This uses the ReShade 3. [Git builds (Win)] [Git builds (Mac)] Bugs&Suggestions. The fuzziness can be improved somewhat with a custom high-quality filter (e. To undo the distortion. Actually, this property of lenses applies to our own eyes as well. The method I used is extremely fast as it doesn't use the lens distort+blur method; Sharpening : Sharpen the render ; Chromatic Aberration : Add chromatic aberration (aka lens dispersion or fringe). The RF lens is practically linear distortion-free while the EF lens has slight barrel distortion. However, texture coordinates are distorted, resulting in a magnifying lens effect or a fisheye lens effect. About Eat 3D: Eat 3D has been feeding your brain…. We now have refraction. Blend map image. Note: Turning on "Lens distortion effect" in the OpenGL preferences (or typing "gl_lens 1" into the console) is highly recommended for the full effect. radial_distortion. When we look at it through the distorting lenses, the image looks neutral: Lens distortion is well understood mathematically, governed by equations like these, with distortion coefficients corresponding to the particular lens. Hence create a new Material for the Sphere, then a new Shader applied to this Material. Requirements: 3DE4 R4. See full list on gamasutra. The shaders that come with the HoloToolkit are typically much more performant in HoloLens apps and should be preferred. Sample Programs: Distortion¶ To run a sample program, you need to install Panda3D. ) The interacting objects no longer have to be on pickup or walkthrough, the default layer works just fine now 3. In this video, we are creating a Distortion Shader using Shader Graph in Unity 2019! Download the project here: https://ole. Viewer Support If you’re curious about how Marmoset Viewer works, wondering which features are supported, or having trouble using Marmoset Viewer, you’ve come to the right place! Alternatively, If you’re looking for an introduction to Marmoset Viewer, please read the Getting Started with Marmoset Viewer tutorial. The "Lens Distortion" lens shader allows the rendered image to be distorted via a "UV Map" image. In GTA V to simulate a real-world camera, a lens-distortion is performed on the image by using a small pixel shader. I have no idea how HLSL handles texture filtering (which pixel you'll get when using floating point values for coordinates), but I'd put my money on bilinear filtering, which may very well give an unpleasant pixelyness to your output. -Toggle slight lens distortion (warping in corners of screen) & chromatic aberration (color bleeding on objects’ edges toward the edges of the screen) – 2 on numberpad-Toggle sharpness – 5 on numberpad-Toggle film grain – 3 on numberpad-Letterbox (“Teh Black Barz”) – 0 on numberpad. If the user needs to add CG elements to real-life (distorted) camera footage, the CG elements will also have to be distorted. Lens distortion shader. blendfunc blend makes the black pixels of the texture's alpha channel invisible. Shaders are small scripts that calculate the color of each pixel rendered, based on lighting and information pulled from their Materials. So I decided to create this MOD - now you can enjoy. Create and Share Blender Assets. I used simple techniques in pixel shader as rotation, divided layer for background, UV distortion and scaling, etc. Written in CG and for Unity’s shader system, the fragment program is shown in the image. [Tutorial] - Eat3D UE4 Shader FX: Cubic Lens Distortion 09-26-2014, 08:39 PM. Scales image so black areas are not visible. I have searched for a few hours and can't seem to find anything that can correct the distortion on a live feed. In Cinema 4D standard render, you can use. This allows for more precise lens calibration. It is a dedicated tool for lens distortion correction, with numerous options to correct distortions caused by various camera lenses. ) With the unity 2017 update, the water should no longer crash when coming into contact with grabpass. Lens Distortion: lens distortion on demand; PP Moving Filter: move a post processing filter in or out of the camera; Vignette: control vignette parameters over time; Renderer. The result is a beautiful and immersive world — and performance never drops from a smooth 60 frames per second, even during hectic encounters with enemy hordes. 5,r*sin(phi)+. And, uh it gives this trippy effect. Gives instant previews! Automatically zooms to hide areas left blank by rotation or distortion transforms. For TLBM we decided to approach lens distortion more authentically, starting with implementing it in our Glimpse renderer, rather than by applying it as a post-render process. The user can use the 1, 2, or 3 to move between the three pages of shaders. 0)) camera_bp. Distortion Types. - scratch and etc + vignette. The approach generally involves determining the distortion introduced by a lens, and modifying a captured image to. Build shaders, share them, and learn from the best community. Distortion Camera. Maya – Cameras Tutorial Part 4 (Lens Distortion) Aldo Vicente talks about the lens distortion shader in the Redshift plugin for Maya. Viewer Support If you’re curious about how Marmoset Viewer works, wondering which features are supported, or having trouble using Marmoset Viewer, you’ve come to the right place! Alternatively, If you’re looking for an introduction to Marmoset Viewer, please read the Getting Started with Marmoset Viewer tutorial. The Lens Studio folder will automatically open Prepare to upload your files: zip the "Log" Folder by right-clicking and choosing "compress. Update: Version Alpha002 - added DX10+11 support. Chromatic Aberration Shader can be used on a specified sprite or background, or on fullscreen. Comparisons and additional previews can be viewed here. Information Old Gen Visual is a graphic mod that brings back "that thing, that magic" from the old. This postprocessing step requires the computation of. Viewer Support If you’re curious about how Marmoset Viewer works, wondering which features are supported, or having trouble using Marmoset Viewer, you’ve come to the right place! Alternatively, If you’re looking for an introduction to Marmoset Viewer, please read the Getting Started with Marmoset Viewer tutorial. You can also activate the physical renderer and set your camera -> physical-> lens distortion to about 10% to do it properly. Note: Francois has other Pixel Bender filters too -- see Cubic Lens Distortion filter for After Effects + Chromatic Aberration (a port of the SynthEyes Lens Distortion Algorithm for matchmoving). Hi all, don’t miss this VFX resource by Hugo’s desk. Personally I hate this post effect. If you just want to correctly map a scene to the fisheye image (say, for a sky box) you could transform from XYZ (cube map) style tex coords into the geometry of the fisheye image in a fragment shader. Lens Profile Filename. 2D Techniques – Lens Aberrations and Effects • Lens Aberrations and Effects using Blur, DirBlur, Defocus, EdgeBlur, Convolve, Soften, Sharpen, Glow, Flare, Sparkles, Glint, GodRays and VolumeRays • Creating a custom Chromic Aberration effect. Distortion. usf: Generate lens distortion and undistortion UV displacement map into a render target. Lens Distortion: Often, people find this effect makes them really uncomfortable. Information Old Gen Visual is a graphic mod that brings back "that thing, that magic" from the old. For each filter, I coded a small demo with GLSL Hacker that shows the effect in action. The Distortion shader applies a physically accurate camera lens distortion to an image. Mesh based distortion is different. Detailed Setup and Calibration Video. Camera Filter Pack documentations for Unity 5. WEASELTRON: Original author of the Lens Distortion. This is a Lens Distortion Camera Node for the Solid Angle Arnold render engine, (www. A pipeline library is a special pipeline that cannot be bound, instead it defines a set of shaders and shader groups which can be linked into other pipelines. Once we have the Quad in the scene (this is just me, but, it set the scale to 4 on all x,y and z), create a new material called “Gravitational Lens” and set the shader to FX/Glass/Stained BumpDistort, put the Lens exported image on the “Normalmap” texture and set the Distortion value at 128. Complex fragment shaders benefit from FFR. This is how it should look like. After a shader is assigned, its name appears on the button. Distortion correction: distorting the rendered image in a such a way that viewing it through the Rift lenses makes it look correct ; Chromatic aberration correction: this is a bonus step that aims at reducing color fringes introduced by the lenses; Accelerated 3D on the Raspberry Pi means using OpenGL ES, much like any mobile platform these days. 02 in the dispersion parameter. 5,r*sin(phi)+. I think, a Lens Distortion is too much calculation happening for only getting a black and white mask out. Distortion can be corrected in VR lenses by pre-distorting the image inversely, which is a barrel distortion. 2D Techniques – Lens Distortion • Understanding Lens Distortion workflow • Types of analysis. com/en/#!/content/62426). (1 technique/s) UV-space lighting diffusion, as pioneered by George Borshukov in the "Matrix" films. First we are going to make a new shader with Alt+A and you will notice it comes as two files, the Vertex Shader and the Fragment Shader. The fuzziness can be improved somewhat with a custom high-quality filter (e. Lens distortion is non-linear, and therefore the reverse lens-distortion is also non-linear. This is an extended version that provided additional shading without vignetting the camera FOV when using longer focal length lenses. Unfortunately, when Arnold is chosen as the render engine, the option to use these files is no longer available. Explanation. It’s lens distortions that Merk Vilson uses to create a custom camera distortion shader in Cinema 4D. No shading done in first pass of vertex and fragment shaders. I do not recommend using this lens shade with the stock wide-angle GoPro lens. radial_distortion. The distortion effect. Also a post-process suggestion, but if it’s a still you can use PTLens. 3D image calibration was performed to remove the image distortion by automatically adjusting rendering parameters to compensate the mismatch between the LCD and the lens array. Photographic considerations - Depth of Field, lens breathing, chromatic aberration, anamorphic distortion, caustics, subsurface scatter, atmospherics, dust motes Inspirations Before I came on board the show, Production Designer Grant Freckelton had been doing extensive research and creating exploratory artwork to begin to get the "feel" of the. In the Unity toolbar, select Assets -> Create -> Material to make a new material object. Departing from micropolygon rendering, which was a cornerstone of Pixar’s signature look for over 25 years was a big undertaking. For each filter, I coded a small demo with GLSL Hacker that shows the effect in action. GRAVITATIONAL LENS – 2 shots. MerkVilson Shows How You Can Create a Camera Distortion Shader for Redshift and Cinema 4D. If the user needs to add CG elements to real-life (distorted) camera footage, the CG elements will also have to be distorted. After a shader is assigned, its name appears on the button. I just printed off this grid and snapped a picture of it at a 90° angle, then read it in Nuke and used a lensDistortion node to analyze this grid, copy pasted the node and plugged it into my main node network. These portraits were applied for Battle-Pet system in TERA. Consider the following exercise: Place two friends 1 meter away from each. Barrel Distortion. Also, Francois has a tutorial for the UVPass shader:. Within the fulldome industry, Domemaster3D is a popular choice. GPUs have successfully been used in a large variety of computationally intensive. Andrew Hazelden has done some work on a a latlong shader that you could try. Color adjustments and chromakey are built into OBS already. I think I'm close, but when passing the same values k1=0. Unlike the default lens distortion node, this one keeps the image undistorted in the middle. This method uses the HDRP > Unlit shader on an Image component in the UI, as the caption says. 91r² to a OpenCV lens model. Understand lens distortion. 0-compatible video card is strongly recommended, you can still take advantage of the shaders developed. This will allow us to use that distortion file in after effects to undistort the plate, or DISTORT our CG elements into that footage. There is a general ShaderSettings file (including wet surfaces settings), and decidated files for sun shafts, visors, rainbows, and lens flares. The method I used is extremely fast as it doesn't use the lens distort+blur method; Sharpening : Sharpen the render ; Chromatic Aberration : Add chromatic aberration (aka lens dispersion or fringe). 0 results in completely hemispherical distortion. This is an example for a passive lens which means it does not consume energy and has to be activated by the left mouse button to come in effect. I typically use 120 mm wide angle lens for my scenes ( 0.