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<html>
<head>
<title>
CIRCLE_ARC_GRID - Compute Grid Points Along a Circular Arc
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
CIRCLE_ARC_GRID <br> Compute Grid Points Along a Circular Arc
</h1>
<hr>
<p>
<b>CIRCLE_ARC_GRID</b>
is a C++ library which
calculates a grid of points
along a circle or circular arc in 2D.
</p>
<h3 align = "center">
Licensing:
</h3>
<p>
The computer code and data files described and made available on this web page
are distributed under
<a href = "../../txt/gnu_lgpl.txt">the GNU LGPL license.</a>
</p>
<h3 align = "center">
Languages:
</h3>
<p>
<b>CIRCLE_ARC_GRID</b> is available in
<a href = "../../c_src/circle_arc_grid/circle_arc_grid.html">a C version</a> and
<a href = "../../cpp_src/circle_arc_grid/circle_arc_grid.html">a C++ version</a> and
<a href = "../../f77_src/circle_arc_grid/circle_arc_grid.html">a FORTRAN77 version</a> and
<a href = "../../f_src/circle_arc_grid/circle_arc_grid.html">a FORTRAN90 version</a> and
<a href = "../../m_src/circle_arc_grid/circle_arc_grid.html">a MATLAB version</a> and
<a href = "../../py_src/circle_arc_grid/circle_arc_grid.html">a Python version</a>.
</p>
<h3 align = "center">
Related Programs:
</h3>
<p>
<a href = "../../cpp_src/ball_grid/ball_grid.html">
BALL_GRID</a>,
a C++ library which
computes a grid of points
over the interior of a ball in 3D.
</p>
<p>
<a href = "../../cpp_src/cube_grid/cube_grid.html">
CUBE_GRID</a>,
a C++ library which
computes a grid of points
over the interior of a cube in 3D.
</p>
<p>
<a href = "../../cpp_src/disk_grid/disk_grid.html">
DISK_GRID</a>,
a C++ library which
computes a grid of points
over the interior of a disk in 2D.
</p>
<p>
<a href = "../../cpp_src/ellipse_grid/ellipse_grid.html">
ELLIPSE_GRID</a>,
a C++ library which
computes a grid of points
over the interior of an ellipse in 2D.
</p>
<p>
<a href = "../../cpp_src/ellipsoid_grid/ellipsoid_grid.html">
ELLIPSOID_GRID</a>,
a C++ library which
computes a grid of points
over the interior of an ellipsoid in 3D.
</p>
<p>
<a href = "../../cpp_src/hypercube_grid/hypercube_grid.html">
HYPERCUBE_GRID</a>,
a C++ library which
computes a grid of points
over the interior of a hypercube in M dimensions.
</p>
<p>
<a href = "../../cpp_src/line_grid/line_grid.html">
LINE_GRID</a>,
a C++ library which
computes a grid of points
over the interior of a line segment in 1D.
</p>
<p>
<a href = "../../cpp_src/polygon_grid/polygon_grid.html">
POLYGON_GRID</a>,
a C++ library which
generates a grid of points
over the interior of a polygon in 2D.
</p>
<p>
<a href = "../../cpp_src/pyramid_grid/pyramid_grid.html">
PYRAMID_GRID</a>,
a C++ library which
computes a grid of points
over the interior of the unit pyramid in 3D;
</p>
<p>
<a href = "../../cpp_src/simplex_grid/simplex_grid.html">
SIMPLEX_GRID</a>,
a C++ library which
generates a grid of points
over the interior of a simplex in M dimensions.
</p>
<p>
<a href = "../../cpp_src/sphere_fibonacci_grid/sphere_fibonacci_grid.html">
SPHERE_FIBONACCI_GRID</a>,
a C++ library which
uses a Fibonacci spiral to create a grid of points
on the surface of the unit sphere in 3D.
</p>
<p>
<a href = "../../cpp_src/sphere_grid/sphere_grid.html">
SPHERE_GRID</a>,
a C++ library which
provides a number of ways of generating grids of points, or of
points and lines, or of points and lines and faces,
on the surface of the unit sphere in 3D.
</p>
<p>
<a href = "../../cpp_src/sphere_llq_grid/sphere_llq_grid.html">
SPHERE_LLQ_GRID</a>,
a C++ library which
uses longitudes and latitudes to create grids of points,
lines, and quadrilaterals
on the surface of the unit sphere in 3D.
</p>
<p>
<a href = "../../cpp_src/sphere_llt_grid/sphere_llt_grid.html">
SPHERE_LLT_GRID</a>,
a C++ library which
uses longitudes and latitudes to create grids of points,
lines, and triangles
on the surface of the unit sphere in 3D.
</p>
<p>
<a href = "../../cpp_src/square_grid/square_grid.html">
SQUARE_GRID</a>,
a C++ library which
computes a grid of points
over the interior of a square in 2D.
</p>
<p>
<a href = "../../cpp_src/tetrahedron_grid/tetrahedron_grid.html">
TETRAHEDRON_GRID</a>,
a C++ library which
computes a grid of points
over the interior of a tetrahedron in 3D.
</p>
<p>
<a href = "../../cpp_src/triangle_grid/triangle_grid.html">
TRIANGLE_GRID</a>,
a C++ library which
computes a grid of points
over the interior of a triangle in 2D.
</p>
<p>
<a href = "../../cpp_src/wedge_grid/wedge_grid.html">
WEDGE_GRID</a>,
a C++ library which
computes a grid of points
over the interior of the unit wedge in 3D.
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "circle_arc_grid.cpp">circle_arc_grid.cpp</a>, the source code.
</li>
<li>
<a href = "circle_arc_grid.hpp">circle_arc_grid.hpp</a>, the include file.
</li>
<li>
<a href = "circle_arc_grid.sh">circle_arc_grid.sh</a>,
commands to compile the source code.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "circle_arc_grid_prb.cpp">circle_arc_grid_prb.cpp</a>,
a sample calling program.
</li>
<li>
<a href = "circle_arc_grid_prb.sh">circle_arc_grid_prb.sh</a>,
commands to compile and run the calling program.
</li>
<li>
<a href = "circle_arc_grid_prb_output.txt">circle_arc_grid_prb_output.txt</a>,
the output file.
</li>
</ul>
</p>
<p>
<b>ARC</b> is a set of 10 equally spaced points from 0 to 90 degrees,
on a circle of radius 2 centered at (5,5).
<ul>
<li>
<a href = "arc.txt">arc.txt</a>, the data.
</li>
<li>
<a href = "arc.png">arc.png</a>, an image of the points.
</li>
</ul>
</p>
<p>
<b>PENTAGON</b> is a set of 6(!) equally spaced points from 0 to
360 degrees. This is the easiest way to get a pentagon, but
you should really edit the file and remove the last point, since
it repeats the first one. The alternative is to specify that
the angles range from 0 to 288 degrees!
<ul>
<li>
<a href = "pentagon.txt">pentagon.txt</a>, the data
</li>
<li>
<a href = "pentagon.png">pentagon.png</a>, an image of the points.
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>CIRCLE_ARC_GRID</b> computes grid points along a circular arc.
</li>
<li>
<b>R82VEC_PRINT_PART</b> prints "part" of an R82VEC.
</li>
<li>
<b>R8MAT_WRITE</b> writes an R8MAT file.
</li>
<li>
<b>TIMESTAMP</b> prints the current YMDHMS date as a time stamp.
</li>
</ul>
</p>
<p>
You can go up one level to <a href = "../cpp_src.html">
the C++ source codes</a>.
</p>
<hr>
<i>
Last revised on 13 November 2011.
</i>
<!-- John Burkardt -->
</body>
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</html>