High
Dynamic Range Images
A
High Dynamic Range Image lets you store pixel information as floating
values which provides a great deal more information about lighting
in the scene. Using a real-world camera, this kind of information
would be creating by taking pictures use different exposures at
different shutter speeds. In Houdini you simply have to turn on
specific Mantra setting.
Setting
your Render Output for HDR
Set up a Render
Output Operator for rendering out a sequence
of images. Click on the [+] button next to the Render
Command. Under the standard tab, scroll down
to Quantization
and turn it on. Make sure it is set to Floating
point channels and Accept
these settings.
Now your renderings
will contain floating point values.
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