Difference between revisions of "XB PointStream"
| Line 2: | Line 2: | ||
'''XB PointStream Dev Links''':<br /> | '''XB PointStream Dev Links''':<br /> | ||
| − | [http://matrix.senecac.on.ca/~asalga/XB_PointStream/ 3D Gallery] | + | [http://matrix.senecac.on.ca/~asalga/XB_PointStream/ 3D Gallery]<br /> |
[http://zenit.senecac.on.ca/wiki/index.php/XB_PointStream/specs Specifications]<br /> | [http://zenit.senecac.on.ca/wiki/index.php/XB_PointStream/specs Specifications]<br /> | ||
[http://cdot.lighthouseapp.com/projects/52886-xb-pointstream LightHouse]<br /> | [http://cdot.lighthouseapp.com/projects/52886-xb-pointstream LightHouse]<br /> | ||
Revision as of 15:29, 14 June 2010
A cross-browser JavaScript tool which will emulate Arius3D's PointStream viewer. It will be able to quickly render a large amount of point cloud data to the <canvas> tag using WebGL.
XB PointStream Dev Links:
3D Gallery
Specifications
LightHouse
Github
Twitter
Development Resources:
GPU Gems
GPU Gems 2
WebGL Specification
WebGL Cheat Sheet
OpenGLES 2.0 man pages
Performance Issue Ideas
- Spatially partition point cloud into Bounding volume hierarchy and do bounding volume frustum culling
- Do static rendering
- Render low LOD when rotating point cloud
- Push as much as we can to CPU and GPU
- Use GL_ARB_occlusion_query to cull points which do not contribute to the scene (render BB of octant and count contributing fragments). This can be used for culling 'backface points'
- Use progressive "mesh" optimization to render objects if they are far from the camera
- Allow user to control LOD
- Stream point cloud, dynamically create and merge bounding volumes
- Pre-create Bounding volume hierarchy
