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Questions tagged [assimp]

Open Asset Import Library (short name: Assimp) is a portable Open Source library to import various well-known 3D model formats in a uniform manner.

Open Asset Import Library (Assimp) is a portable open source library to import various 3D model formats in a uniform manner.

Written in C++, it is available under BSD license.

492 questions
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.obj to .glb conversion

I want to make an Android app which can convert .OBJ files into .GLB files. I've researched this a fair bit but I haven't yet found any library that I'm confident I can use in an Android app for .OBJ to .GLB conversion. I had initially thought that…
CKP78
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Assimp incorrectly imports OBJ indices?

I have created my own Model class to abstract the process of importing a model in Assimp, and make it easy to add a model. Currently, I haven't got this to work, and no model is shown. I believe this is due to the indices. I noticed during debugging…
Kyle Blue
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Wrong UV mapping applied on object OpenGl

I just want to load a object via Assimp (that works) - vertices, uvs and normals. Then I load a texture via SOIL library - through many tutorials, that work also fine, but when the texture is applied to the object, UVs don't work correctly (as you…
Adam Lasák
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Ray Tracing using Nvidia Optix with Open Asset Import Library (assimp) - rendering multiple meshes

I'm trying to combine the versatility of Open Asset Import Library (reading in a variety of 3D model filetypes) with NVidia Optix ray tracing to render the models. So far, it is working whenever the model I'm rendering is made up of a single mesh. …
Al5678
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Android OpenGLES bone animation issue

I am having trouble implementing bone animation in my OpenGLES app in android. For the model, i used assimp to convert a FBX file exported with 3ds max and converted it into a text file. This file loads the bone data (vertices, weights, offset…
Devedue Wad
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Skeletal animation with ASSIMP

I have been trying to implement skeletal animation in my own 3D openGL/c++ game engine using ASSIMP to import the models. I think that the problem is caused by the calculation of the bone matrices, loaded as uniform variables in the shader because…
pandicacao
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Assimp Compile error

Halo I have use CMaker to make the assimp 3.3.1 to be sln. However, when the VS2015 compile it, it becomes enter image description here Please help me. I need the assimp.lib and dll work.
Ivan Leung
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Assimp and OpenGL Skinning Trouble

Lately I've been trying to create a skeletal animation system for my engine, but with no success... After following several tutorials on the internet, I managed to get something working, however the "thing" bevahes in very weirdly... It's supposed…
Diego Lopes
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Linking Assimp 3.1.1 in Visual Studio 2015

I am linking to assimp as i´ve always done with other middleware, but when i run my application, i get a runtime error: "Application could not launch correctly (0xc000007b)." What am i missing? I downloaded the assimp 3.1.1 binary and got an…
stimulate
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Mesh Simplification with Assimp and OpenMesh

For days ago, I ask a question on how to use the edge collapse with Assimp. Smooth the obj and remove duplicated vertices in software are sloved the basic problem that could make edge collapse work, I mean it work because it could be simplicated by…
Tokenyet
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Assimp loader with a cube of 8 vertices

I'm loading a .obj model of a cube currently using those flags : const aiScene* scene = importer.ReadFile(path, aiProcess_Triangulate | aiProcess_FlipUVs | aiProcess_GenNormals | aiProcess_JoinIdenticalVertices); The model only contains 8 vertices…
Lauriane.C
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Trouble loading and drawing a .obj model using Assimp and OpenGL

After performing the basics of OpenGL (creating a window, making a 2D triangle, shaders, etc.) I decided to start trying to load simple .obj models. The most recommended library was Assimp so I followed some tutorials and modified my project to load…
Ben Hollier
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Assimp cannot load vertices color of PLY model

I'm using the assimp3.0 on windows with OpenGL. I tried to load and display a ply model by following lines: Assimp::Importer importer; const aiScene* scene = NULL; scene = importer.ReadFile('filename', 0); I built the vertex buffer with…
Teng Long
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Skinning with Assimp.Net and OpenTK

I'm trying to implement skeletal animation using Assimp.net and OpenTK and have been following this tutorial but I cannot get it to work. The model appears fine with identity matrices but is terribly garbled when using the transforms I generate from…
ArThor
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Assimp duplicates Vertices

I'm using the Assimp .NET library to import collada files (.dae) from Blender in my C# application. The problem is that a few vertices are imported multiple times. Here is the code that uses a filepath to my collada-file and imports the Assimp…
enne87
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