Because it is the only way to adjust OpenEXR exports to fit your pipeline:
"I couldn't be without my exrTrader, keep up the great coding."Mark Berge
exrTrader is a suite of plugins and provides complete support for OpenEXR in LightWave 3D.
It includes free standard image loaders and savers supporting RGBA as well as an image filter plugin to save arbitrary buffers.
OpenEXR is an HDR image file format featuring:
"If LightWave is considered to be the secret weapon in Hollywood, then exrTrader is the secret weapon for LightWave."Eric Hance - VFX Supervisor
Pixomondo, Burbank - www.pixomondo.com
OpenEXR includes the following plugins.
exrTrader offers an advanced saver for layered OpenEXR images, including, amongst others, the following features:
"In order to gain the maximum flexibility out of our renders it's a given that we render out layers and passes - exrTrader not only makes this simplicity itself but also combines it with bringing the CG industry's most versatile HDR image format to LightWave 3D in an incredibly robust implementation - quite simply, exrTrader is an essential part of our 3D and compositing pipeline."Andrew G. Morgan - CG Pipeline Specialist, Cityscape, London
As always there is a free download that offers you a limited funtionality even without licensing ... for free. :-)
exrTrader includes basic LightWave image loader and saver plugins to deal with OpenEXR images. These allow you to load and save OpenEXR images in any part of LightWave that loads and save images.
These are included in exrTrader for free, and may be used freely without purchasing exrTrader. Just download exrTrader from the downloads section of this website.