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bezier_surface.html
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<html>
<head>
<title>
BEZIER_SURFACE - Routines for Bezier Surface Information
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
BEZIER_SURFACE <br> Routines for Bezier Surface Information
</h1>
<hr>
<p>
<b>BEZIER_SURFACE</b>
is a FORTRAN90 library which
reads, writes, prints, and
otherwise manipulates the data that defines a Bezier surface.
</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>BEZIER_SURFACE</b> is available in
<a href = "../../f_src/bezier_surface/bezier_surface.html">a FORTRAN90 version</a> and
<a href = "../../m_src/bezier_surface/bezier_surface.html">a MATLAB version</a>.
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../data/bezier_surface/bezier_surface.html">
BEZIER_SURFACE</a>,
a data directory which
contains a description and
examples of the Bezier Surface file format.
</p>
<p>
<a href = "../../m_src/bezier_surface_display/bezier_surface_display.html">
BEZIER_SURFACE_DISPLAY</a>,
a MATLAB program which
reads a pair of Bezier Surface data files and display the surface.
</p>
<p>
<a href = "../../data/table/table.html">
TABLE</a>,
a data format which
is used for both the node and rectangle files.
</p>
<h3 align = "center">
Reference:
</h3>
<p>
<ol>
<li>
Edward Angel,<br>
Interactive Computer Graphics,
a Top-Down Approach with OpenGL,<br>
Addison-Wesley, 2000,<br>
ISBN: 0-201-38597-X,<br>
LC: T385.A514.
</li>
<li>
The Wikipedia article "Utah teapot" in
<a href = "http://en.wikipedia.org/wiki/Utah_teapot">
http://en.wikipedia.org/wiki/Utah_teapot</a>
</li>
</ol>
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "bezier_surface.f90">bezier_surface.f90</a>, the source code.
</li>
<li>
<a href = "bezier_surface.sh">bezier_surface.sh</a>,
commands to compile the source code.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "bezier_surface_prb.f90">bezier_surface_prb.f90</a>,
a sample calling program.
</li>
<li>
<a href = "bezier_surface_prb.sh">bezier_surface_prb.sh</a>,
commands to compile and run the sample program.
</li>
<li>
<a href = "bezier_surface_prb_output.txt">bezier_surface_prb_output.txt</a>,
the output file.
</li>
<li>
<a href = "../../data/bezier_surface/teapot_nodes.txt">
../../data/bezier_surface/teapot_nodes.txt</a>
the node file for the teapot example.
</li>
<li>
<a href = "../../data/bezier_surface/teapot_rectangles.txt">
../../data/bezier_surface/teapot_rectangles.txt</a>
the rectangle file for the teapot example.
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>BEZIER_PATCH_EVALUATE</b> evaluates a Bezier patch.
</li>
<li>
<b>BEZIER_SURFACE_NEIGHBORS</b> determines Bezier rectangle neighbors.
</li>
<li>
<b>BEZIER_SURFACE_NODE_PRINT</b> prints nodes.
</li>
<li>
<b>BEZIER_SURFACE_NODE_READ</b> reads nodes from a node file.
</li>
<li>
<b>BEZIER_SURFACE_NODE_SIZE</b> counts nodes in a node file.
</li>
<li>
<b>BEZIER_SURFACE_NODE_WRITE</b> writes nodes to a node file.
</li>
<li>
<b>BEZIER_SURFACE_RECTANGLE_PRINT</b> prints rectangles.
</li>
<li>
<b>BEZIER_SURFACE_RECTANGLE_READ</b> reads rectangles from a rectangle file.
</li>
<li>
<b>BEZIER_SURFACE_RECTANGLE_SIZE</b> counts rectangles in a rectangle file.
</li>
<li>
<b>BEZIER_SURFACE_RECTANGLE_WRITE</b> writes rectangle to a rectangle file.
</li>
<li>
<b>CH_CAP</b> capitalizes a single character.
</li>
<li>
<b>CH_EQI</b> is a case insensitive comparison of two characters for equality.
</li>
<li>
<b>CH_TO_DIGIT</b> returns the integer value of a base 10 digit.
</li>
<li>
<b>FILE_COLUMN_COUNT</b> counts the number of columns in the first line of a file.
</li>
<li>
<b>FILE_ROW_COUNT</b> counts the number of row records in a file.
</li>
<li>
<b>GET_UNIT</b> returns a free FORTRAN unit number.
</li>
<li>
<b>I4MAT_DATA_READ</b> reads data from an I4MAT file.
</li>
<li>
<b>I4MAT_HEADER_READ</b> reads the header from an I4MAT.
</li>
<li>
<b>I4MAT_PRINT</b> prints an I4MAT.
</li>
<li>
<b>I4MAT_PRINT_SOME</b> prints some of an I4MAT.
</li>
<li>
<b>I4MAT_TRANSPOSE_PRINT</b> prints an I4MAT, transposed.
</li>
<li>
<b>I4MAT_TRANSPOSE_PRINT_SOME</b> prints some of the transpose of an I4MAT.
</li>
<li>
<b>I4MAT_WRITE</b> writes an I4MAT file.
</li>
<li>
<b>I4ROW_COMPARE</b> compares two rows of an I4ROW.
</li>
<li>
<b>I4ROW_SORT_A</b> ascending sorts the rows of an I4ROW.
</li>
<li>
<b>I4ROW_SWAP</b> swaps two rows of an I4ROW.
</li>
<li>
<b>R8MAT_DATA_READ</b> reads data from an R8MAT file.
</li>
<li>
<b>R8MAT_HEADER_READ</b> reads the header from an R8MAT file.
</li>
<li>
<b>R8MAT_PRINT</b> prints an R8MAT.
</li>
<li>
<b>R8MAT_PRINT_SOME</b> prints some of an R8MAT.
</li>
<li>
<b>R8MAT_TRANSPOSE_PRINT</b> prints an R8MAT, transposed.
</li>
<li>
<b>R8MAT_TRANSPOSE_PRINT_SOME</b> prints some of an R8MAT, transposed.
</li>
<li>
<b>R8MAT_WRITE</b> writes an R8MAT file.
</li>
<li>
<b>S_BLANK_DELETE</b> removes blanks from a string, left justifying the remainder.
</li>
<li>
<b>S_TO_I4</b> reads an I4 from a string.
</li>
<li>
<b>S_TO_I4VEC</b> reads an I4VEC from a string.
</li>
<li>
<b>S_TO_R8</b> reads an R8 from a string.
</li>
<li>
<b>S_TO_R8VEC</b> reads an R8VEC from a string.
</li>
<li>
<b>S_WORD_COUNT</b> counts the number of "words" in a string.
</li>
<li>
<b>SORT_HEAP_EXTERNAL</b> externally sorts a list of items into ascending order.
</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 = "../f_src.html">
the FORTRAN90 source codes</a>.
</p>
<hr>
<i>
Last revised 27 December 2010.
</i>
<!-- John Burkardt -->
</body>
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</html>