PHM

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File Format
Name PHM
Ontology
Extension(s) .phm
Released 2015

PHM is a raster image format. It is an extension of the Netpbm formats, especially PFM. Each color sample is a 16-bit floating-point number.

Its full name is variously given as "Portable Float Map with 16-bit Half", "Simple Portable Half Float Map", "Portable HalfFloatMap", etc.

Contents

Identification

Grayscale PHM files start with bytes 'P' 'h' 0x0a.

RGB color PHM files start with bytes 'P' 'H' 0x0a.

Software

Sample files

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