TRIANGLE_SVG
Plot Triangle and Points with Scalable Vector Graphics (SVG)

TRIANGLE_SVG is a FORTRAN77 library which uses Scalable Vector Graphics (SVG) to create a plot of a triangle and any number of points. Such plots can illustrate quadrature rules or sampling methods for the triangle.

Licensing:

The computer code and data files made available on this web page are distributed under the GNU LGPL license.

Languages:

TRIANGLE_SVG is available in a C version and a C++ version and a FORTRAN77 version and a FORTRAN90 version and a MATLAB version.

Related Data and Programs:

TRIANGULATION_SVG, a FORTRAN77 program which creates a Scalable Vector Graphics (SVG) image of a triangulation, which can be displayed by a web browser.

Reference:

1. W3C, Scalable Vector Graphics 1.1 (Second Edition), 16 August 2011, http://www.w3.org/TR/SVG11/

Source Code:

• triangle_svg.f, the source code.
• triangle_svg.sh, BASH commands to compile the source code.

Examples and Tests:

• triangle_svg_prb.f, a sample calling program.
• triangle_svg_prb.sh, BASH commands to compile and run the sample program.
• triangle_svg_prb_output.txt, the output file.

List of Routines:

• GET_UNIT returns a free FORTRAN unit number.
• R8MAT_PRINT prints an R8MAT.
• R8MAT_PRINT_SOME prints some of an R8MAT.
• S_BLANK_DELETE removes blanks from a string, left justifying the remainder.
• TIMESTAMP prints the current YMDHMS date as a time stamp.
• TRIANGLE_SVG plots triangles and points in SVG format.

You can go up one level to the FORTRAN77 source codes.