Questions tagged [model]

The tag has no usage guidance.

14 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
5 votes
0 answers
254 views

OpenSCAD Hull/Minkowski function by hand?

I am trying to model an organic object using OpenSCAD. However this will need to be ported over to older software. This restricts the primitives I can use (only cone, cylinder, torus, sphere and cubes)...
RCountZero's user avatar
2 votes
0 answers
122 views

How to model braids?

Many hair simulations render their hair as lines (usually splines). Since hair is a really thin object. if the hair is braided, rather than having thin infinitesimally small cylinders, you have ...
Makogan's user avatar
  • 1,706
2 votes
0 answers
57 views

How to create a noise model with a constant PSNR?

My goal is to create a noise model so that the PSNR of the noisy image compared to the original is some pre-defined constant $\alpha$. This means the mean squared-error will also be a constant. My ...
Ali's user avatar
  • 121
1 vote
0 answers
56 views

Where to find BRDF textures

I've read about measured BDRFs and models like cook-torrance have parameters that need to be set. It isn't hard to imagine that these parameters and the measured properties would vary from point to ...
Jake's user avatar
  • 205
1 vote
0 answers
49 views

Has anybody extended parametric surfaces to volume density representations usefully?

Current mainstream technology does not really model the density functions very well. Yeah, we can use volumetric grids, FEM, voxel representations and particle clouds that define densities. But these ...
joojaa's user avatar
  • 8,437
1 vote
0 answers
541 views

3D model outline using stencil buffer

I'm trying to outline a 3D model in WebGL. I've tried using a stencil buffer techique with glLineWidth and glPolygonMode. However, Mozilla's WebGL reference says that the minimum and maximum widths of ...
Daniel Marques's user avatar
0 votes
0 answers
44 views

How to transform face mesh?

We can use ARcore to create custom textures and 3D models for Augmented Faces, like the augmentation of a Fox ears. But aside from augmenting 3D objects, can we "transform" facemesh, for ...
angel_30's user avatar
  • 229
0 votes
0 answers
69 views

Floating point precision in 3d modeling software

I'm working on a simple 3d modeling application. I'm using 1 meter as unit of measurement. When working with small triangles where an edge length is around 1 centimeter (0.01 units) or less, I started ...
Lenny White's user avatar
0 votes
0 answers
35 views

Character Creation. Cartoon look, Eyes and Extra Parts. What advantages are the combining to one mesh?

I am fairly new to CG and 3d art. I'm trying to learn to make good game assets (ie. Low poly count, clean looking) in a cartoon style. I'm making this character as pictured. But his eye is a separate ...
I_Keep_Trying's user avatar
0 votes
0 answers
64 views

What's a good research topic in Computer Graphics?

I am currently trying to find topics for my master's thesis. I would really like to do something in the field of computer graphics, but I've been having trouble finding what are some current problems ...
Richard's user avatar
0 votes
0 answers
266 views

After making any 3D model using Opengl how to export it's data in .dae file?

I'm trying to make simple 3d modeling program in c++ with Opengl. So I don't know how to transfer/convert/export or save data of 3D model in .dae file. NOTE:- 3d model is made using Opengl ...
Vinayak Thube's user avatar
0 votes
0 answers
53 views

Transformation for aligning 3D object with reference frame of 3D turtle graphics

The problem I'm using a 3D extension of the well-known "Turtle graphics" to draw plants. My system works by maintaining a position $\vec{p}$ and three vectors: The heading $\vec{H}$ The "up" ...
Katharina's user avatar
  • 111
0 votes
0 answers
78 views

Apply a pose to a 3D model/mesh

Assuming that I have pose information for a human, is there any ways/tools to apply that pose to a 3D model? Basically, given continous pose information say from a dancing person, I like to animate a ...
angel_30's user avatar
  • 229
0 votes
0 answers
50 views

Is this the correct application of model transformation?

Suppose I want to perform translate in the following order: Scale by $S$ Rotate by matrix $R_1$ Rotate by matrix $R_2$ Translate by $T%$. When I apply the matrix, should the overall transformation ...
oldselflearner1959's user avatar