Notes of IES Light Profile

Format

• "IES light format: Specification and reader" by Sébastien Lagarde
  • https://seblagarde.wordpress.com/2014/11/05/ies-light-format-specification-and-reader/
• Unreal Engine 4 "IES Light Profiles"
  • EN : https://docs.unrealengine.com/latest/INT/Engine/Rendering/LightingAndShadows/IESLightProfiles/index.html
  • JP : https://docs.unrealengine.com/latest/JPN/Engine/Rendering/LightingAndShadows/IESLightProfiles/index.html

Data

• IES Light Profiles
  • http://www.derekjenson.com/3d-blog/ies-light-profiles

Viewer

• IESviewer
  • http://www.photometricviewer.com/

Interpolation

Cubic Spline

• "Nonuniform Splines" Game Programming Gems 4
  • http://www.gameenginegems.net/gemsdb/book.php?id=6
• Nonuniform Splines (JP)
  • http://marupeke296.com/DXG_No34_UnuniformSprine.html

Bicubic

• "High-Quality Filtering" GPU Gems1
  • http://http.developer.nvidia.com/GPUGems/gpugems_ch24.html
• Bicubic (JP)
  • http://koujinz.cocolog-nifty.com/blog/2009/05/bicubic-a97c.html
• Bicubic resampling
  • http://entropymine.com/imageworsener/bicubic/

Hermite Spline

• Wikipedia
  • https://en.wikipedia.org/wiki/Cubic_Hermite_spline
• Hermite Curve Interpolation
  • http://cubic.org/docs/hermite.htm