Questions tagged [normals]
In geometry, an object such as a line or vector is called a normal to another object if they are orthogonal to each other.
normals
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Normal map BG image for website, with fixed light source
I would like to be able to use normal maps in my site's background images. This CodePen example seems to be the best from all the implementations I've seen so far. It uses three.js to achieve the ...
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How do I get the 3D normal vector from a 2D gradient (generated through gradient (perlin) noise)
I have implemented a gradient noise function in GLSL in order to generate a heightmap for terrain. I am trying to get a normal vector for each pixel of the heightmap so I can calculate directional ...
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OpenGL - Generate Normal of rendered scene
I am drawing a scene by drawing vertices one by one. I use opentk and C#, the draw code looks like this:
GL.EnableClientState(ArrayCap.VertexArray);
GL.EnableClientState(ArrayCap.NormalArray);
GL....
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add direction vector to 3d array numpy
i have a 3d array with the shape of (3,11,11) this data represent 363 cells in the space i want to make a normal vector for that and per each position (points) instead of values as a number i can have ...
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Get normal vector of floor by camera calibration
Normal vector on an image:
Distorted normal vector of floor on an image:
As depicted in the image I posted, I need to get the normal vector of the floor from the room image.
I want to take advantage ...
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Getting 3D coordinates from a 2D image
I'm looking for a way to get 3D coordinates from a 2D image.
Because I need to find the normal vectors of several surfaces in the 2d image (if there is a way to find normal vectors without 3D ...
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How to fix seams between procedurally generated chunks in Unity?
I've been making a procedurally generated 3d world and ran into an issue with seams at the edges of chunks. The seams look like this:
I looked for information online and people said it had to do with ...
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how to check if all the faces face outward
Situation: I am using Open3D python,The mesh generation algorithm ( like ball pivot, poisson reconstruction ) are dependent on normal direction. I used estimate_normals and ...
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Creating a 3d model of an object using surface normals
I'm creating a 3d map of an object in Python using a method called Photometric Stereo. Essentially, I use different photos of the object taken at different lighting angles as well as the light source ...
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How can I add a marmoset library smart material on top of a baked normal map and then export textures?
How can I add a marmoset library smart material on top of a baked normal map and then export textures?
I have a low poly object with a baked normal map. The bake only consists of the edge bevel data. ...
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When converting depth frame to surface normals I get this weird wavy artifacts. Where are they coming from?
I'm currently working with Intel's Real Sense depth camera (to be more specific, D435i).
Here are the pictures. First ones are the real pictures, but only the first color channel (you can clearly see ...
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Python Plotly Planes Perpendicular to Axes in 3D Plot
I could not draw the plane x=y in plotly using python.
My code to generate points on a plane given its normal vector and some point contained in it. What I do is generating two orthonormal vectors ...
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HLSL Normal mapping - light reflections in the shadows
I just recently got into HLSL and I'm currently following Ben Cloward's DVD tutorials on youtube. The tutorial itself is a bit dated but for the most part I can manage when some functions don't work.
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Calculating a normal vector for each pixel (2D image)
I'm trying to understand how the Core Image Shaded Material filter works and trying to replicate its behavior using Metal.
From the Shaded Material filter documentation:
This filter [...] computes a ...
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Tangent seams in Vulkan using GLSL and C++
I am writing a small Vulkan toy renderer using tinygltf to load my models.
For the past two weeks I've been trying to implement normal mapping into the renderer, but I've been running into issues.
I ...
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