The Complete PLY to OBJ Conversion Guide
General Information
This guide is part of the RapidPipeline 3D Formats Knowledge Database.It shows how to convert PLY to OBJ, if you'd like to know more about the formats, please check out the following links:
Converting and Optimizing PLY Files to OBJ
There are various ways to convert between PLY and OBJ. With RapidPipeline, you can easily convert and and optimize PLY files, at scale. It supports OBJ, as well as many other file formats (examples: FBX, glTF, STL, USD, USDZ, VRM), at high quality.
Below you can see how to convert your files:
What are PLY and OBJ files commonly used for?
The PLY file is a format mostly used for 3D scanning.
The OBJ file is a format mostly used for 3D modeling and generalized 3D applications.
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Comparison of Features Supported by PLY and OBJ
| Feature | Supported by PLY | Supported by OBJ |
|---|---|---|
| Morph Targets | No | No |
| Rigid Animations | No | No |
| Skinned Animations | No | No |
| Animations | No | No |
| Free-Form Surfaces | No | No |
| Geometry Compression | No | No |
| Quad Meshes | Yes | Yes |
| Basic 3D Geometry | Yes | Yes |
| PBR Materials | No | Partial |
| Transparent Materials | No | Yes |
| Vertex Colors | Yes | No |
| Materials | Partial | Yes |
| Scene Composition | No | No |
| Hierarchical Scene Graph | No | No |
| Scene Nodes | No | Yes |
| Standardized Format | No0 | Partial1 |
| Embedded Textures | No | No |
| Multiple UV Channels | No | No |
| Normal Mapping | No | Partial |
| Procedural Textures | No | No |
| Texture Compression | No | Partial2 |
| Texture Transforms | No | No |
| Texturing | Partial | Yes |
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Limitations of PLY Files to OBJ Conversion Workflow
The following limitations should be taken into account when converting PLY files to OBJ format:
| PLY Feature (not supported by OBJ) | Limitation Details |
|---|---|
| Vertex Colors | Vertex Colors Support: PLY: Full support | OBJ: No support   Impact: Vertex colors allow the attachment of colors to each vertex of a 3D model. This can be useful in scenarios such as scientific visualization, or when converting/meshing data from a colored 3D point cloud, for example. On the polygonal surface connecting the vertices, the respective vertex colors are usually smoothly interpolated. In this example, different colors are attached to the different corners of a cube. Without support for this feature, the cube won't have any colors. |
What's the best way to get PLY files into my 3D applications, and are there alternatives to using OBJ?
Doing 3D conversion right, especially at scale, can be tricky, as 3D data is in general a rather complex (yet very powerful!) medium. This also applies to PLY and OBJ files - the conversion guide above provides a rough first idea about that. Once you know what you would like to do, tools like RapidPipeline can help you perform the necessary steps, and to even automate the process for thousands or even millions of files.
Especially when introducing pipelines and workflows at scale in an enterprise context, it is usually good to rely on dedicated tools and expertise, making sure you do not introduce any steps into your 3D workflow that are detrimental to the final output's quality, or that take your team too much time (and money).
If you're interested to hire dedicated expertise from the best in the field to help your company reach your goals fast and reliably, please do not hestitate to contact DGG. Being the creators of RapidPipeline, and ambassadors for open 3D standards for more than a decade, we have been building some of the world's most advanced 3D pipelines, having processed many millions of 3D assets.
Therefore, our expertise will help you to reach your goals faster, at scale, and with the least possible friction, since we are focused on maximum interoperability.
To get started with 3D data conversion and optimization today, sign up for a free account!
If you have any questions, feel free to chat with our human team.
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