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Questions tagged [3d-rendering]

Anything related to the process of building a realistic graphic representation of a (possibly virtual and/or dynamic) 3-d object using 2-d images.

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Kd Tree or Bounding Box Not Working Properly

Hope everyone is well.I am having a bit of an issue implementing the kd tree from pbrt v2.It's fast but all the normals on the model are wrong after rendering.The funny thing is if I change the values of pMin and pMax in the Bounding Box…
hecatonchries
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What is zero weight vertex and why do i have to erase them?

I am trying to working on rendering 3D animation using Assimp and opengl. While I am googling,I saw someone has mentioned, "zero weight vertex." So, I was wondering what is zero weight vertices? And why do i have to get rid of them?
ljeon
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Missing D3DX definitions from updated project

I need to update a old June DX10 application. My original setup was such that i had the include files and libraries for DX10 as part of my repo. This compiles and runs fine, but causes hundred of warning on macro redefinitions when i'm compiling it…
Cousken
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How can I calculate the Focal Length of my rendered image in a ray tracer (Let's say PBRT)?

Actually, I have rendered 3 input images of a sphere with different light directions in PBRT. As the next step of the process, I am going to compute surface normals of this sphere, so I need to put the Focal length value in my formula. All that I…
Ali Sharifi B.
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Write texture mapped obj file to disk with VTK

I am using VTK to read an obj file, texture map the 3D model and transform it to another view (by applying rotateY/X/Z transforms to vtkActors) and writing it to file using vtkwindowtoImageFilter. Due to this pipeline, the rendered image is…
Swami
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Is there a software that can only render part of a mesh?

Is there such a software that can render only part of a mesh, while rendering the whole surface, as shown in the following picture? It will be perfect if it works for triangular mesh. Any help will be…
codeCcode
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Othographic Projection in XTK

So I am using XTK to develop a app that will allow users to view multiple 3D meshes in one renderer. The problem is that it uses a perspective camera instead of a orthographic, which causes panning to 'rotate' the meshes a bit. Has anyone been…
Estus
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OpenGl2.0 Android displaying blank screen when rendering 3D model with texture

I am new to Android OpenGl2.0.and I have got one issue while creating 3D model from .obj file. While rendering the 3D model,I am getting blank screen. Sharing the code below, @Override public void onSurfaceCreated(GL10 glUnused, EGLConfig config)…
Timmon
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how to make program to take input from gui rather than command promt

i am working on skeleton climbing algorithm for my .stl file generation, am getting the output. but for this code i need to pass arguments from the command prompt how will i pass arguments without opening command prompt?? are is it possible to pass…
praveen gowda
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Running Mac STL Render Library on iOS

How can I use this Mac OS X render library in my iOS app? I know that it can be done but I don't know how. I don't need code examples but if someone could describe essentially what I would have to do to first get this running and displaying a render…
harryisaac
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3D photo-realistic rendering: Diffusion, ray-tracing

I want to create a photo-realistic, static rendering of a room's interior. I want to know what options I have for open-source renderers. It does not have to render quickly. Initially I experimented with sketchup and photo renderer plugins, but they…
Jodes
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Camera in OpenGL ES

I have a scene as follows : A 3D box with its base centered at origin and four rectangles surrounding the base of the box. We can think it as a building with streets on all its four sides. I want to get the projection view model matrix. I have…
Hellboy
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Any idea how the 3d rendering is handled with php in this site?

http://www.myecovermaker.com/ecover-design This site renders 3d images from user selected images such as 3d books, 3d cd covers etc, I can find that site is created in php, but couldnt understand what they might be using at server end. To my…
Rohith Raveendran
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Easy way to render a 3d model using Kinect SDK

i'm getting used to Kinect SDK and the WPF applications (totally newbie in both of those). My application now get normal video, depth generated video and depth and color value for each pixel, done with kinect sdk in a little time :) Now i need to…
AlexanderPD
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Stereo 3D Rendering issue with OpenGL

I am trying to draw a basic mesh loaded from an .obj file using stereoscopic 3D rendering on a NVIDIA Quadro 5000. From what I can tell I think I got my left eye and right eye frustums and offsets set accordingly, but my main issue is with writing…
Dragos Budan
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