Read, Write and Manipulate High Dynamic Range Images


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Documentation for package ‘picohdr’ version 0.1.1

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adj_clamp Clamp values outside the specified range
adj_gamma Adjust gamma
adj_infinite Replace infinite values with the minimum/maximum of the finite values
adj_rescale Linearly rescale values to lie between the given limits
adj_shift_negatives_global Shift all values such that the minimum of the array is 0
adj_shift_negatives_local Shift all values in a plane such that the minimum in every plane is 0
array_to_df Convert array to a linear data.frame. Preserves array names if present.
exr_attrs Helper function to create attributes for 'write_exr()'
exr_info Extract the metadata from an EXR file
exr_type Functions for creating valid EXR type objects
plot.array Plot method for matrices and arrays
print.exr_type Print 'exr_type' objects
read_exr Read an EXR image
read_pfm Read PFM image
tm_reinhard Reinhard's global tone mapping
tm_reinhard_basic Reinhard's global tone mapping
tm_reinhard_variant Reinhard's global tone mapping
write_exr Write a numeric array as an EXR image
write_pfm Write a numeric array as PFM