Tinted glass with Beer-Lambert absorption
In your harnessBlender toolMIT
Build a glass material whose colour deepens with thickness: the tint is given as transmittance at a reference thickness and converted to exact Volume Absorption density and colour, under a clear transmissive surface. Use it for bottles, stained glass, gems and liquids.
What it takes and gives
- Operator
- baltor.material_glass_tinted
- Parameters
- material_name, tint, reference_thickness, ior, roughness, assign
- Result
- One material with a surface and a volume; assigned to the active object.
- Blender
- 4.2 or later
- Axes
- Blender Z up, -Y forward
- Units
- metres
Limits. Absorption needs closed, correctly oriented meshes and a renderer that traces volumes inside objects (Cycles); EEVEE approximates refraction and volumes differently. No dispersion, no thin-film and no scattering inside the glass. Caustics depend on the renderer settings. Rendered here with Cycles CPU only. Verified in Blender 5.2.1; written for the 4.2 API.
Details
- Kind
- Blender tool
- Engine
- Blender 4.2 or later
- Files
- 11 files, 122.6 KB
- Licence
- MIT
- Declared effects
- runs commands
- Checked with
- Blender 5.2.1, background (Cycles CPU for previews)
- Checks
- addon install and enable, operator runs with defaults, blender data matches core, addon disable unregisters, script mode runs, clean reopen addon file, clean reopen script file, gltf separate export, engine output clean
- Techniques
- Beer-Lambert law T = exp(-a d), Absorption coefficient a = -ln(T) / d per channel, Volume Absorption extinction density * (1 - colour)
- Tags
- blender, material, shader nodes, glass, transmission, volume, physics
- Identity
library.supply.creative_originals.61c8aade4ba09d6075b524fc.e4d8dc5e58f86e46- Version
e4d8dc5e58f86e469d7236a4b4131653da072c92bae14c15e45fe291cf6b14a7
The version is the SHA-256 of the item your harness downloads; every file in it names its own checksum.
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