vfplot

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Software Screenshot:
vfplot
Software Details:
Version: 1.0.10
Upload Date: 14 Apr 15
Developer: J.J. Green
Distribution Type: Freeware
Downloads: 6

Rating: 5.0/5 (Total Votes: 1)

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vfplot is a software for plotting 2D vector fields.

Features:

  • Large arrows:
  • The idea of vfplot is to plot vector fields with relatively large arrows - large enough to be perceived individually
  • Curvy:
  • For large arrows to accurately represent the field they need to follow it in their shape; vfplot uses simple circular arcs
  • Placed apart:
  • Placement of large arrows on a regular grid would limit the dynamic range possible; vfplot places the arrows via a packing of their bounding ellipses
  • Field input:
  • Fields can be specified by data in a number of formats: a simple ASCII grid format, Gerris gfs files, or a pair of GMT grd files. Several test fields are built in and adding another is straightforward if you have a little C experience
  • Vector output:
  • Output is in the PostScript format which can be converted to SVG, PDF and other vector formats with standard tools. The files are small, typically a few tens of kilobytes
  • Limited in scope:
  • The vfplot program plots only arrows, it will not be a general purpose plotting program
  • Free software:
  • Released under the GNU GPL v3, contact the author for other licencing

What is new in this release:

  • This version sees a rewrite of the multi-thread code, resulting in a substantial speedup on multi-processor hardware.
  • Additionally, the supporting gfs2xyz2D utility was updated to the latest version of the Gerris library.

What is new in version 1.0.7:

  • A buffer overrun was fixed.

What is new in version 1.0.5:

  • Output to the POV-Ray scene language.

What is new in version 1.0.4:

  • This release adds a graphics-state cache for easier final adjustment of line widths, fill colour, etc.
  • It adds read support for Matlab binary files.

What is new in version 1.0.3:

  • Simplified potential used in the dynamic (removal of the attractive tail) allows a reduction in the number of neighbors and speeds up the dynamic by around a factor of two.
  • Plots look cleaner.
  • Several bugfixes and minor feature enhancements.

What is new in version 1.0.2:

  • Added a --glyph option for alternative glyphs. New wedge and triangle glyphs.
  • Added a --aspect option to adjust the aspect (the ratio of length to width) of the glyph.

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