Understanding HDRI ( Knowledge Base)
What does it mean HDRI ? How it works in Photography or 3D Computer Graphics ? Why is recommended to use .hdr or .exr images as an environment(sky) map on the 3d render scenes ? A great time saving usually wasted on conventional lighting ?
http://www.hyperfocaldesign.com/Articles/43-articles/70-understanding-hdri
http://www.aversis.be/tutorials/vray/vray-high-dynamic-range-hdri.htm
http://www.youtube.com/watch?v=DZgYKmulIvE ( HDR Tutorial ) - HDR photography tutorial
and more http://www.youtube.com/watch?v=kRPBX3IbXq4&list=PL1B6E780368DA38F9 (15 videos playlist)
http://www.youtube.com/watch?NR=1&v=oBETWrA9tps - Secrets of Amazing HDR Photography
http://www.youtube.com/watch?v=d775fy9cdbg - HDR Photography with Scott Kelby on Weekly Photo Tips
http://www.youtube.com/watch?NR=1&v=7jPu2lnfYvc - Basics of HDR Photography
HDR Secrets and tips
http://www.cambridgeincolour.com/tutorials/high-dynamic-range.htm ( A LEARNING COMMUNITY FOR PHOTOGRAPHERS - Cambridge in Colour )
http://www.photoshopcafe.com/tutorials/HDR_ps/hdr-ps.htm (This tutorial will explain one of the hottest new trends in Photography. HDR! Learn how to shoot, merge and tone-map photos to extend the dynamic range and produce those painted looking results. Covers photoshop CS3-CS6 )
See also :
High dynamic range imaging
http://en.wikipedia.org/wiki/High_dynamic_range_imaging
If you got your first free Radiance format .hdr image from web to be used in 3DS Max,Maya, ..etc but it’s not working properly in Bryce or to brighty:
Highly recommended , Horo tutorial about the using in Bryce/modifying/exporting a .hdr image , see the link posted above by David Brinnen - post [ # 23 ]
(Thank you David and Horo )
-also open the hdr in HDR Shop and make some adjustments.
If you need .hdr files ready to use in Bryce in IBL
-Visit Horo’ website for free .hdr files or see David and Horo’ shop content for .hdr packages
-See Bryce installation folders for free .hdr files (you may also use Search in computer for .hdr files)
-See DOSCH HDRI , only the Light Probe (the mirrored ball image) and the Spherical Maps are accepted in Bryce.
(latitude-longitude -ratio 2:1 and the angular maps)
Working with different exposure images or creating the final HDR image in Photoshop
http://www.youtube.com/watch?v=OD_p9bTpbQ4 (Creating A HDRi For Use In A 3D Package - Photoshop & HDRShop Tutorial)
http://www.youtube.com/watch?v=afD80TgaFRQ (HDR TUTORIAL IN PHOTOSHOP) - German
http://www.youtube.com/watch?v=6-kLrXSdON8&list=PL1B6E780368DA38F9 (Creating a Hybrid HDR in Photoshop CS5 Ext+ the HDR EFFEX PRO plugin)
note : CS6 don’t need this plugin anymore due to HDR Pro option
For CS6 users see http://www.youtube.com/watch?v=4A_itXP8tUI (Creating a HDR image using HDR Pro option ) - from 5 different exposure images
http://www.youtube.com/watch?v=ECrvN5XR_bM (Photoshop Tutorial - Merging Two Images With Layer Masks) - Creating a HDR image or http://www.youtube.com/watch?v=AWPLpz8uXjw - Quick HDR Landscape Tutorial in Photoshop - - from only 2 different exposure (rendered) images
http://www.tutzor.com/tutorials/hdr-look-editing-photoshop - how to edit a photograph to be a HDR with vivid colors look
How to make spherical mappings…
http://blenderartists.org/forum/showthread.php?112898-How-to-make-own-spherical-mappings (forum discussion on blender community)
HDR Software applications list sorted by categories (including plug-ins) - Paid or free
http://www.hdrlabs.com/tools/links.html
and
http://www.niksoftware.com/hdrefexpro/usa/index.php?view=intro/main.shtml (the HDR EFFEX PRO photoshop plugin)
http://captainkimo.com/hdr-software-review-comparison/ ( software comparison)
Remember:
* using a hdri image in IBL while rendering might increase the rendering time for at least 10 times but the result is 10 times more realistic
* if you don’t use a .hdr on rendering in IBL Lab you can get great HDR results on the final rendered image using few different exposure renders and merging them in Photoshop (see the merging of 2 or 5 images tutorial links) - after all the final HDR image is a result of “Dodging and Burning” with or without Tone Mapping adjustments.
Amazing animated HDR skies video slideshow
http://www.youtube.com/watch?v=xugPcMvIFyQ
HDR landscapes images slideshow
http://www.youtube.com/watch?v=HOOcB00ubpU
- CAMBRIDGE HDR GALLERY -
http://www.cambridgeincolour.com/gallery/cambridge.htm