Signal/Geometry Processing Library (SPL)

Table of Contents


The Signal/Geometry Processing Library (SPL) software is a library that provides some basic functionality related to multiresolution signal and geometry processing. This software is associated with the (open-access) textbook available from:


The use of the SPL software is subject to certain licensing terms. The license can be found in the file named "LICENSE" in the SPL software distribution.


The most recent version of the software is as follows:

The following older versions of the software are also available:


The reference manual for the SPL software is included in the software distribution itself. For convenience, the manual for the most recent version of the software is also available through the following links: