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table_scale.html
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<html>
<head>
<title>
TABLE_SCALE - Scale a Table Dataset
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
TABLE_SCALE <br> Scale a Table Dataset
</h1>
<hr>
<p>
<b>TABLE_SCALE</b>
is a FORTRAN90 program which
adjusts an M dimensional
dataset of N points by scaling each entry.
</p>
<p>
<b>TABLE_SCALE</b> expects the input data file to be in the simple
<a href = "../../data/table/table.html">
TABLE format</a>.
</p>
<h3 align = "center">
Usage:
</h3>
<p>
<blockquote>
<b>table_scale</b> <i>file.txt</i>
</blockquote>
where
<ul>
<li>
<i>file.txt</i> is the user's data file;
</li>
</ul>
prompts for a scale vector from the user, and then writes
the scaled data to a file which will be called <i>file.scale.txt</i>.
</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">
Related Data and Programs:
</h3>
<p>
<a href = "../../m_src/file_increment/file_increment.html">
FILE_INCREMENT</a>,
a MATLAB program which
makes a copy of a file containing an integer array, after incrementing
each entry by a given value.
</p>
<p>
<a href = "../../f_src/table_barplot_ppma/table_barplot_ppma.html">
TABLE_BARPLOT_PPMA</a>,
a FORTRAN90 program which
reads a table file and creates a
PPMA bargraph of the data.
</p>
<p>
<a href = "../../f_src/table_border/table_border.html">
TABLE_BORDER</a>,
a FORTRAN90 program which
can be used to add a border
(of zero values) to a table file.
</p>
<p>
<a href = "../../f_src/table_columns/table_columns.html">
TABLE_COLUMNS</a>,
a FORTRAN90 program which
can extract specific columns of data
from a table file.
</p>
<p>
<a href = "../../f_src/table_columns_permute/table_columns_permute.html">
TABLE_COLUMNS_PERMUTE</a>,
a FORTRAN90 program which
permutes the columns of a
table file.
</p>
<p>
<a href = "../../f_src/table_delaunay/table_delaunay.html">
TABLE_DELAUNAY</a>,
a FORTRAN90 program which
computes the Delaunay triangulation of a set
of points.
</p>
<p>
<a href = "../../f_src/table_histogram/table_histogram.html">
TABLE_HISTOGRAM</a>,
a FORTRAN90 program which
can make a histogram of a set of points
stored in a table file.
</p>
<p>
<a href = "../../f_src/table_io/table_io.html">
TABLE_IO</a>,
a FORTRAN90 library which
supplies the routines
used to read the TABLE file.
</p>
<p>
<a href = "../../f_src/table_latinize/table_latinize.html">
TABLE_LATINIZE</a>,
a FORTRAN90 program which
reads a file of
points and creates a "latinized" version by adjusting the data.
</p>
<p>
<a href = "../../f_src/table_merge/table_merge.html">
TABLE_MERGE</a>,
a FORTRAN90 program which
reads a file of
points, and removes duplicates, and points that are close to each other.
</p>
<p>
<a href = "../../f_src/table_orthonormalize/table_orthonormalize.html">
TABLE_ORTHONORMALIZE</a>,
a FORTRAN90 program which
reads a file of
points and orthonormalizes the columns.
</p>
<p>
<a href = "../../f_src/table_quality/table_quality.html">
TABLE_QUALITY</a>,
a FORTRAN90 program which
reads a file of
points and computes the quality of dispersion.
</p>
<p>
<a href = "../../f_src/table_record_match/table_record_match.html">
TABLE_RECORD_MATCH</a>,
a FORTRAN90 program which
finds close records in a table file.
</p>
<p>
<a href = "../../f_src/table_shift/table_shift.html">
TABLE_SHIFT</a>,
a FORTRAN90 program which
can be used to shift the entries of a table file
by a shift vector.
</p>
<p>
<a href = "../../f_src/table_stats/table_stats.html">
TABLE_STATS</a>,
a FORTRAN90 program which
reads a table file and compute certain statistics.
</p>
<p>
<a href = "../../f_src/table_tet_mesh/table_tet_mesh.html">
TABLE_TET_MESH</a>,
a FORTRAN90 program which
reads a table file of 3D data, and compute a
tetrahedral mesh.
</p>
<p>
<a href = "../../f_src/table_top/table_top.html">
TABLE_TOP</a>,
a FORTRAN90 program which
reads a table file of M-dimensional data and
make a table of plots of all pairs of coordinates.
</p>
<p>
<a href = "../../f_src/table_unborder/table_unborder.html">
TABLE_UNBORDER</a>,
a FORTRAN90 program which
removes the border from a table file.
</p>
<p>
<a href = "../../f_src/table_uniform_noise/table_uniform_noise.html">
TABLE_UNIFORM_NOISE</a>,
a FORTRAN90 program which
adds a uniform noise term to the data
in a table file.
</p>
<p>
<a href = "../../f_src/table_voronoi/table_voronoi.html">
TABLE_VORONOI</a>,
a FORTRAN90 program which
computes information about
the Voronoi diagram of the points.
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "table_scale.f90">table_scale.f90</a>, the source code.
</li>
<li>
<a href = "table_scale.sh">table_scale.sh</a>,
commands to compile, link and load the source code.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<b>GRID121</b> consists of 121 CVT points on a uniform grid.
Files you may copy include:
<ul>
<li>
<a href = "grid121.txt">grid121.txt</a>,
121 grid points in 2D.
</li>
<li>
<a href = "grid121.png">grid121.png</a>,
a <a href = "../../data/png/png.html">PNG</a> image of
the points.
</li>
<li>
<a href = "grid121.scale21.txt">grid121.scale21.txt</a>,
the points, scaled by S=(2,1).
</li>
<li>
<a href = "grid121.scale21.png">grid121.scale21.png</a>,
a <a href = "../../data/png/png.html">PNG</a> image of
the scaled points.
</li>
<li>
<a href = "grid121.scale14.txt">grid121.scale14.txt</a>,
the points, scaled by S=(1,4).
</li>
<li>
<a href = "grid121.scale14.png">grid121.scale14.png</a>,
a <a href = "../../data/png/png.html">PNG</a> image of
the scaled points.
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>MAIN</b> is the main program for TABLE_SCALE.
</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_NAME_EXT_GET</b> determines the "extension" of a file name.
</li>
<li>
<b>FILE_NAME_EXT_SWAP</b> replaces the current "extension" of a file name.
</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>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_SOME</b> prints some of an R8MAT.
</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_INDEX_LAST</b> finds the LAST occurrence of a given substring.
</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>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 on 07 February 2010.
</i>
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