https://github.com/akej74/hdri-sun-aligner
Blender addon for aligning an object (e.g. a sun) to match the brightest part in a HDRI environment
https://github.com/akej74/hdri-sun-aligner
Last synced: about 1 year ago
JSON representation
Blender addon for aligning an object (e.g. a sun) to match the brightest part in a HDRI environment
- Host: GitHub
- URL: https://github.com/akej74/hdri-sun-aligner
- Owner: akej74
- License: gpl-3.0
- Created: 2019-01-14T20:14:08.000Z (over 7 years ago)
- Default Branch: master
- Last Pushed: 2024-03-11T09:52:14.000Z (over 2 years ago)
- Last Synced: 2024-11-16T03:32:10.299Z (over 1 year ago)
- Language: Python
- Size: 56.6 KB
- Stars: 121
- Watchers: 10
- Forks: 15
- Open Issues: 4
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
- awesome-blender - HDRI Sun Aligner
- 3d-resources - HDRI Sun Aligner
README
# HDRI Sun Aligner
HDRI Sun Aligner is a Blender 2.8+ to 4.0+ addon for automatically rotating an object (e.g. a sun) to match the brightest point in a HDRI environment texture. Some ideas when this may be useful:
- Adding a sun to a scene rendered by EEVEE, as EEVEE cannot render shadows from HDRI environment textures
- Adding any light to enhance a scene, in alignment with direct light from the environment
- Improve a panorama created with Google Streetview app for use as an environment texture in Blender, see the following excellent video by Blender Daily: [Easy HDRI Creation with just a Phone!](https://www.youtube.com/watch?v=Aco0UDxL6rA)
- For a nice overview of the addon, see the following video by The CG Essentials: [Fixing Eevee HDRI Lighting](https://www.youtube.com/watch?v=J6ZufnYu0sI)
# Blender Artists forum
A discussion thread about this addon can be found on the Blender Artists discussion forum:
https://blenderartists.org/t/hdri-sun-aligner-v1-4/1142638
# Usage
- Add a HDRI environment texture (equirectangular projection) to the World in Blender
- HDRI Sun Aligner is accessed from the panel to the right:
- Calculate the brightest point in the HDRI used for the environment by clicking on "Calculate sun position"
- A preview of the calculated position can be displayed in a new window by clicking on "Preview":
- Updated "Longitude and Latitude" values are displayed in the panel (can be changed manually)
- Select any object and click "Rotate object" to align it with a vector from the calculated point to origo
- To add a new sun (rotated in alignment with the current sun position), click "Add new sun"
- The new sun will be located in a new collection, "HDRI Sun Aligner"
# Installation of HDRI Sun Aligner addon
1. Download latest release from https://github.com/akej74/hdri-sun-aligner/releases (source as ZIP).
2. Open Blender preferences -> addons and select "Install from file"...
3. Activate the addon, "HDRI Sun Aligner"