You
can display 32-bit floating point HDR images in the
Render View and
use the Color Management options to
control the color profile associated with the image file and the
display output. You can also apply color grading and preview it
in the Render View window, as well
as specify a custom calibration file.
Furthermore, with this
feature, you can adjust the image contrast and exposure. This way,
you can view details in over-bright and over-dark regions of an
HDR image.
Using color management with HDRI in the
Render View
- Switch your Render View to
HDR format by selecting
Window > Settings/Preferences > Preferences.
Select the Rendering section of the Preferences window
and select 32-bit floating point (HDR) as
your Render view image format.
NoteBy selecting this
option, the Render View displays a 32-bit floating point version
of your image. This way, color management can use the floating point
values to perform its operations correctly. Also, if you are using
a output device that is capable of displaying HDR color values,
this mode allows you to obtain the full float color values.
- In the Render View window,
select Display > Color Management... The viewColorManager Attribute
Editor appears.
- Select the color profile for your image
source and your display output using the Image Color Profile and Display
Color Profile drop-down menus.
- Tweak the Exposure and Contrast sliders
to view details in the over-bright and over-dark regions of the
image. For more information about these attributes, see
Render View color management node.
- Specify your custom calibration file
or color transformation file in the LUT file attribute.
You can also use this attribute to apply a color grading effect.
NoteYou can also render
HDR images with mental ray for Maya. Select any of the float or
half-float formats from the Data Type drop-down
list in the Framebuffer section of the Quality tab
in the Render Settings window.
Using LUT files with color
management
The Display
Color Profile attribute determines your input to the
LUT file. Most LUT files receive linear or logarithmic input. Set Display
Color Profile to Cineon log so
that your LUT file receives logarithmic input.
