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Questions tagged [wavefront]

OBJ (or .OBJ) is a geometry definition file format first developed by Wavefront Technologies for its Advanced Visualizer animation package.

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Errors loading Blender Wavefront Model

Hopefully someone can help me. I am trying to load a model I made in Blender into my JOGL program. I was able to manual models working and set up my window but there is something wrong with parsing the .obj wavefront file. No errors in my code that…
Martin Freeman
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Wavefront Alerting when no data sent

I have wavefront alerts set up with the following alert condition: ts(mytimeseries)<20000 Recently the datasource stopped sending data to wavefront but I did not receive an alert. I cannot figure out why this did not alert. Do I need to set up a…
Sarah
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Import tinyobjloader in python

I'm trying to import tinyobjloader in my PyOpenGL project on PyCharm for an assignment, but I keep getting this error ModuleNotFoundError: No module named 'tinyobjloader' I've installed tinyobjloader with pip3 on my Mac. When I try to install the…
Victoria Robinson
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How to fix transparent surfaces?

I made an OBJ file and it should look like: But when I open it in default preview application (Mac): It has some transparent surfaces which should be solid. I can see all surfaces when I rotate so do not know what should be changed. Face (f) items…
NoSleep
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How to Transform Mesh Data From GLTF to OBJ Format

I need to transform the vertex and index data of a mesh from a GLTF file into that of an OBJ file for the purposes of applying V-HACD. I notice they aren't too dissimilar by comparing the mesh data of a cube in both formats: OBJ Verts GLTF…
Heraclitus Devotee
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Mesh rendering issue with BGFX

Dislaimer : this is a learning project, I'm trying to learn both c++ and 3d rendering with opengl :) I've setup a project with BGFX and GLFW, managed to initalize both and render basic shapes to the screen. I now wanted to load arbitraty Wavefront…
JulienElM
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How do you export lighting and material as .obj or .glb in blender?

I have a model in Blender with lighting and materials (credit to Polygon Runway) When I export this as an OBJ I just get the geometry: How do I bake(?) what I see in the shaded model into textures and automatically apply them to the model so when…
nickponline
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Assimp does not correctly load multiple meshes from one obj file

The obj files I am trying to load have multiple -o flags, so there are multiple meshes. I am trying to load them into only 1 VAO, and I will draw them by first recording each mesh's offset and size. I have noted that the offset and size are in terms…
Liao Dutchman
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Why doesn't my wavefront obj file parser order the vertices properly?

I created an obj model parser and decided to follow the tutorial at http://opengl-tutorial.org, but the parsing of the normals and vertices does not work properly. I decided to change the code a bit to see what would happen and to maybe fix it, but…
RadoslavL
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Why does parsing the model produce a bus error?

I wanted to load custom models in my OpenGL engine, so I created a load function and when I try to parse the result, the program crashes and produces a bus error. I might've made a typo, so I wanted to see if anyone here could help me, because I've…
RadoslavL
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combine several .obj files using python

I want to combine several .obj files using python. My data structure takes the following form.. for example here I put 3 values for each, namely, vertices-v, vertex normal-vn and faces-f; File1.obj v -4.56 8.89 1617.5 v -7.92 9.21 1217.33 v -5.71…
Mass17
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Trying to read the lines starting with "f" (indices) in a Wavefront obj file causes the other output to be broken

When I try to read the other lines in the file, commenting out the lines, that check for the "f" lines, everything works as expected, but as soon as I uncomment them, every single value is getting altered except the texture coordinate values. I have…
RadoslavL
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Problems with obj not moving properly in OpenGl

In this way, outputting one obj file each works well. But if I try to represent these two objs revolving around the center sun at the same time, I get an error. It looks like it's working well at first, and then the texture disappears. And the…
Keastmin
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Error when outputting the earth obj in OpenGl

I want to print out the earth obj, but it keeps printing strangely like a picture. The vertexes are printed in an empty form in the middle. _mesh = new Mesh("obj\\13902_Earth_v1_l3.obj", "obj\\Earth_diff.jpg"); First, enter the file name like…
Keastmin
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Wavefront Alert for AWS RDS Freeable Memory

I have multiple RDS instances that is monitored in Wavefront with AWS RDS integration dashboard. Question: What WQL query should I use to create an Alert that will trigger when the aws.rds.freeablememory value is less that 5% of total RAM for…
Abraham Johnson
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