ahEnvironmentLight V3 for DAZ Studio 3.0 by Pendragon - Manual Page 1 of 32 © 2009 by Arthur Heinz - All Rights Reserved. ahEnvironmentLight Version 3.0 for DAZ Studio Version 3.0.1.139 and above Arthur Heinz aka “Pendragon” <[email protected]> ahEnvironmentLight V3 for DAZ Studio 3.0 by Pendragon - Manual Page 2 of 32 © 2009 by Arthur Heinz - All Rights Reserved. Table of Contents Featured Highlights of Version 3.0 ...................................................................................................................4 Quick Start........................................................................................................................................................5 Where to find the various parts....................................................................................................................5 Loading and rendering a scene with the IBL light........................................................................................6 New features concerning setup...................................................................................................................8 Preview Light..........................................................................................................................................8 Internal IBL Image Rotation Parameters...............................................................................................10 Overall Illumination Settings.................................................................................................................10 Ambient Unoccluded Illumination..........................................................................................................11 Built in ILT.............................................................................................................................................11 New features concerning render time........................................................................................................12 AO Hitmode Switch...............................................................................................................................12 AO Off Surface Switch..........................................................................................................................12 ILT Hitmode Switch...............................................................................................................................12 Fine Tuning the Settings.................................................................................................................................13 Section: General........................................................................................................................................13 Intensity...........................................................................................................................................13 Transforms............................................................................................................................................13 Rotation...........................................................................................................................................13 Section: Overall Illumination Settings........................................................................................................14 Light Overall Intensity in EV(+/-):.....................................................................................................14 Light Saturation:..............................................................................................................................14 Light Overall Gamma:......................................................................................................................15 Section: Global Quality and Speed Controls..............................................................................................16 Irradiance Shadingrate....................................................................................................................16 Irradiance Shadingrate....................................................................................................................16 AO Off Surface Switch.....................................................................................................................16 AO Adaptive Sampling.....................................................................................................................17 ILT Hitmode.....................................................................................................................................17 ILT Adaptive Sampling.....................................................................................................................17 Section: Ambient Unoccluded Illumination.................................................................................................17 Ambient Illumination........................................................................................................................17 Ambient Intensity.............................................................................................................................17 Ambient Color..................................................................................................................................17 Section: IBL Illumination............................................................................................................................18 IBL Illumination................................................................................................................................18 Intensity and Specular Intensity.......................................................................................................18 IBL Color Map..................................................................................................................................18 IBL Brightness Scale.......................................................................................................................19 IBL Map Saturation..........................................................................................................................19 IBL Map Gamma..............................................................................................................................20 IBL Map Rotation.............................................................................................................................20 Section: Ambient Occlusion.......................................................................................................................22 Ambient Occlusion (Diffuse Shadows).............................................................................................22 Specular Occlusion (Specular Shadows).........................................................................................22 AO Samples and AO Samples for Transparent Materials................................................................23 AO Hitmode.....................................................................................................................................23 AO Minimum and Maximum Distance..............................................................................................23 AO Gamma......................................................................................................................................24 AO Distribution................................................................................................................................24 ILT Illumination (GI Bounce)......................................................................................................................25 ILT Illumination.................................................................................................................................25 ILT Intensity.....................................................................................................................................25 ahEnvironmentLight V3 for DAZ Studio 3.0 by Pendragon - Manual Page 3 of 32 © 2009 by Arthur Heinz - All Rights Reserved. ILT Diffuse and ILT Specular Intensity.............................................................................................25 ILT Diffuse Samples and ILT Specular Samples..............................................................................25 Appendix.........................................................................................................................................................26 Introduction to IBL, AO and ILT..................................................................................................................26 IBL........................................................................................................................................................26 AO........................................................................................................................................................27 ILT.........................................................................................................................................................28 Preparing an IBL HDRI Light Probe...........................................................................................................29 Introduction...........................................................................................................................................29 Using HDR Shop 1.0 for converting IBL Images...................................................................................30