BLEND Documentation

BLEND localizes functions in arbitrarily shaped domains on the regular Cartesian grid. It is designed as both a C library and a suite of command-line tools. It currently supports over 50 window taper functions in dimensions up to 3.

Getting Started

• Quick Start
  • Build and install BLEND
  • Show version
  • Show modules
  • Show windows
  • Make a 1-D window
  • Query a 1-D window at arbitrary coordinates
  • Make a 2-D window
• Installation
  • Dependencies
  • Download BLEND
  • Configuration
  • Build
  • Run Tests
  • Build Documentation
  • Install
  • Update an Existing Installation
  • Uninstall
  • Use BLEND from Another CMake Project

Examples

• Examples
  • ex01_monotone
  • ex02_window2d
  • ex03_window2d
  • ex04_window3d
  • ex05_window2d

Modules

• Modules
  • blend
  • docs
  • monotone
  • window1d
  • window2d
  • window3d

Reference

• Common Options
• Window Functions
  • Available Names
  • Available Window Functions
  • Aliases
• Polygons
  • xy-monotone requirement
  • Conversion methods

C API

• C API
  • Polygon API
  • Window API
  • Boundary API
  • Contribution API
  • Utility API
  • Reporting and Errors
  • API Examples

Citation

If BLEND is useful in your work, please cite the following references:

• Ajala, R., Persaud, P., 2021. Effect of merging multiscale models on seismic wavefield predictions near the southern San Andreas fault. Journal of Geophysical Research: Solid Earth 126, 1-23.

• Ajala, R., Persaud, P., 2022. Ground-motion evaluation of hybrid seismic velocity models. The Seismic Record 2, 186-196.

• Ajala, R., Kolawole, F., Share, P.E., Sahakian, V., Delph, J.R., Hooft, E., He, B., 2025. Toward an accessible framework for synthesizing solid earth models across multiple scales. Seismological Society of America Annual Meeting, Baltimore, Maryland, USA, vol. 96, p. 1364.