[Openexr-user] How Does One Compile For Full Floating Point Format

[Fred Weinhaus]

Hi,

I would like to compile OpenEXR for fulll floating point format. The
home page describes 3 formats, half, full floating point and 32 bit
integer.

"Support for 16-bit floating-point, 32-bit floating-point, and 32-bit
integer pixels."

The download only seems to include the half format. How does one go
about getting and installing the full floating point format EXR?

Thanks.

Fred Weinhaus

[Florian Kainz]

Hi Fred,

the OpenEXR libraries simultaneously support all three pixel formats:
16-bit floating-point (HALF), 32-bit floating-point (FLOAT) and 32-bit
unsigned integer (UINT). You don't need special build options or add-on
modules.

Application code can select pixel formats at run time and per per channel.
For example, an application can write a file with R, G and B channels in
HALF format and a Z channel in FLOAT format.

For more information on calling the OpenEXR libraries from your code,
including how to select pixel formats, see this document:

http://www.openexr.com/ReadingAndWritingImageFiles.pdf

Florian

Post by Fred Weinhaus
Hi,
I would like to compile OpenEXR for fulll floating point format. The
home page describes 3 formats, half, full floating point and 32 bit integer.
"Support for 16-bit floating-point, 32-bit floating-point, and 32-bit
integer pixels."
The download only seems to include the half format. How does one go
about getting and installing the full floating point format EXR?
Thanks.
Fred Weinhaus
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