EXR header values¶
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This module represents EXR headers as regular Python dictionaries.Each header entries have a name - a string - and a valuethat may be one of several types, defined by the OpenEXR standard.
The Python module translates these types to Python types when reading OpenEXR headers,and does the reverse translation when writing headers.
The module Imath provides many of the classes for attribute types.
Values in the dictionary may be:
string
float
int
list of strings
New in version 1.2.
This attribute type is used in multiView images, as described in http://www.openexr.com/MultiViewOpenEXR.pdf
dict
A dict represents the image’s channels. In the dict, the keys are the channel names, and the values are of class Imath.Channel:
A preview image, specified by height, width, and a string of length 4*width*height. The pixels are in RGBA order:
or to use a PIL image as an EXR preview:
Imath.Chromaticities
Specifies (x, y) chromaticities for red, green, blue and white components:
File TypeOpenEXR Image
Developer | Industrial Light & Magic |
Popularity | |
Category | Raster Image Files |
Format | Binary |
What is an EXR file?
Raster image stored in the OpenEXR format, a high dynamic-range (HDR) image file format developed by Industrial Light & Magic; supports multi-layer images, lossy and lossless compression, and 16-bit and 32-bit pixels; used for storing deep raster images for high-quality graphics; used by raster graphics editing programs and imaging applications.
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Updated 12/4/2018