Light Reflectance Values (LRV)
So im chatting to co pilot and getting advice on the architectural industry when it mentions something called LRV, basically its how light is reflected of different surfaces and gives a more accurate representation of the material in question. this is how co-Pilot explained it:
If Blender were to incorporate a system that utilized LRV (Light Reflectance Value), it could significantly enhance the accuracy of material representation in 3D renders. Here’s how:
Realistic Material Behavior: LRV-aware shaders would simulate how light interacts with different surfaces. Materials like paint, fabric, and metals would reflect light realistically based on their LRV values.
Architectural Visualization:
Architects and designers could accurately depict interior spaces. LRV-informed materials would ensure consistent lighting across scenes.
Energy Efficiency Design:
Architects could optimize building designs by choosing materials with appropriate LRV. Energy-efficient spaces would benefit from accurate light reflection modeling.
In summary, integrating LRV into Blender would be a valuable addition for architectural visualization and realistic material representation.
So i thought i would put this here and see if it becomes a thing, sounds interesting though.
3 Comments
Did the chatbot offer some code to develop?
i actually hadn't got that far, i failed at hello world so it wouldn't be my first question, but i imagine I'm going to have further conversations so ill ask then.
Not sure you want to get advice from copilot. You pick up a sample chip from your local paint store and it includes an LVM value. That value, from 0-100, only indicates the total amount of light not absorbed by the surface as a percentage. But this is in all directions and in all wavelengths, so it really doesn't give you much as far as rendering is concerned. Absolute black would be zero and a perfectly reflective white would be 100, that's it.