SEA3D + Open3DGC - Lossy Geometry Compression

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29th May 2016 - 04:18:26 AM
Introduction

Open3DGC is an efficient technology for geometry compression It work with lossy compression like JPEG as Image Open3DGC is for Geometry.

To reduce even more the size of the SEA3D models we made an encoder of Open3DGC for SEA3D Studio and a Three.JS loader.

Current compatibilities

Geometry DescriptionCompatible with Open3DGC
PositionYes
NormalYes
TangentNo
ColorsNo
Joint/WeightYes


File sizes comparations

ModelLZMAOpen3DGC + LZMA
robot.sea1.107M652kB


Our next step is to accelerate the process for this compression algorithm is used for animations too.

Installing and usage

Open your SEA3D Studio(need last update & desktop version) and search by sea3d.o3dgc.

Open3DGCApp


After the installation click in File -> Publish... and enable the Lossy Compression option:

Open3DGC


Example

You need to include the files:


Robot - http://sunag.github.io/sea3d/Examples/Programmer/Three.JS/robot_o3dgc.html

I hope you enjoy.

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