HtoA 1.4.0

20 April 2015

This is a performance release, focusing on volume rendering speed and introducing a new installer.

Installation
  1. Get the install files on Solid Angle Downloads.
  2. Follow these installation instructions.
Compatibility

This release uses Arnold 4.2.6.0 and OpenVDB 3.0.0.

Binaries available for the following Houdini or Houdini FX production builds:

  • 14.0.291
  • 14.0.258
  • 14.0.201.13

and for the following platforms:

  • Linux x86_64 (gcc4.4)
  • Windows 7 x64 (vc11)
  • Mac OS X 10.8+

Please note that Houdini Apprentice and Houdini Indie do not support third party renderers and thus cannot run HtoA.

Enhancements
  • New graphical installer on all platforms. The installer can setup HtoA for the current user, or alternatively just extract the contents. The setup just changes a few lines of your houdini.env config file and creates a backup (#412)
  • OpenVDB volume plugin optimizations (#428)
  • Volume Collector optimization for shadow rays (#558)
  • Volume motion blur optimizations (#421, #422)
  • Fast OpenVDB volume IPR updates (#428)
  • New Two Sided shader (#563)
  • New Normal Map digital asset VOP (#373)
  • New Vector Displacement digital asset VOP (#316)
Fixes
  • Space Transform shader sets incorrect normal (#555)
  • Fixed backtracking direction for volume motion blur (#421)
  • Handle empty OpenVDB trees more gracefully (#560)
  • Fixed volume artifacts at large step sizes (#523)
  • The Houdini signal handler is now daisy-chained, re-enabling autosave in case of a crash (#562)

 

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