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Alpha Shapes Visualization Software

Alpha Shapes is based on efficient, discrete mathematics which determine exact relationships between points, shapes, and spaces. The software reconstructs surface and volume for a given point cloud. Alpha shapes generates a family of shapes according to the selected alpha parameter. It also computes metric properties of a selected shape, such as, volume, surface area, etc. A unique feature of alpha shapes is that it computes empty spaces around a shape, such as, voids and pockets. The 3D alpha shapes software consists of four programs:

  • Delcx --- 3D (weighted) Delaunay complex
  • Mkalf --- 3D alpha shape file and data structure
  • Alvis --- 3D alpha shape visualizer
  • Volbl --- Measuring union of balls and voids

Current Version:   4.1

License Type:   NCSA license and copyright agreement.

Home Site:

Source Code Availability:   Alpha shapes 2.1 source code is available. Only binary codes are distributed after that version.

Available Binary Packages:

  • Debian Package:   No
  • RedHat RPM Package:   No
  • Other Packages:   yes (tar.Z format)

Targeted Platforms:

Alpha Shapes software has been ported to the following UNIX systems: IBM RISC/6000 with AIX, HP with HPUX, SGI with IRIX 5.x, SGI with IRIX 6.x, Sun with SunOS 5.x and Solaris, DEC Alpha with OSF/1, PC with Linux.

Software/Hardware Requirements:

16MB RAM minimum/ 32 MB RAM recommended, OpenGL 1.0+, Mesa 2.3.8+, or IrisGL graphics library, UNIX, X-windows.

Other Links: (Online Demo) (User's Guide)

Mailing Lists/USENET News Groups:

User Comments:

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