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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>JpGraph Manual</title><link rel="stylesheet" type="text/css" href="manual.css"><meta name="generator" content="DocBook XSL Stylesheets V1.76.0"><link rel="home" href="index.html" title="JpGraph Manual"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"> JpGraph Manual </th></tr></table><hr></div><div class="book" title="JpGraph Manual"><div class="titlepage"><div><div><h1 class="title"><a name="id2472070"></a> JpGraph Manual </h1></div><div><h2 class="subtitle">Version : 3.5.0b1</h2></div><div><div class="author"><h3 class="author">
<span class="orgname">Asial Co. Ltd. (Asial USA)</span>
</h3></div></div><div><p class="copyright">Copyright © 2000-2010 Asial Co. Ltd. (Asial USA)</p></div><div><p class="pubdate">2010-10-06</p></div></div><hr></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="preface"><a href="pr01.html">Preface and history of the JpGraph library</a></span></dt><dt><span class="part"><a href="pt01.html">I. Installing and verifying the configuring</a></span></dt><dd><dl><dt><span class="chapter"><a href="ch01.html">1. About the library</a></span></dt><dd><dl><dt><span class="sect1"><a href="ch01.html#id2472291">1.1. What is JpGraph?</a></span></dt><dt><span class="sect1"><a href="ch01s02.html">1.2. Software license</a></span></dt><dt><span class="sect1"><a href="ch01s03.html">1.3. Versions of the library covered</a></span></dt><dt><span class="sect1"><a href="ch01s04.html">1.4. Purpose and usage</a></span></dt><dt><span class="sect1"><a href="ch01s05.html">1.5. Prerequisites for running the library</a></span></dt><dt><span class="sect1"><a href="ch01s06.html">1.6. Who can use the library</a></span></dt><dt><span class="sect1"><a href="ch01s07.html">1.7. What you can do with the library</a></span></dt><dt><span class="sect1"><a href="ch01s08.html">1.8. What you shouldn't or cannot do with this library</a></span></dt><dt><span class="sect1"><a href="ch01s09.html">1.9. Feature-matrix for the library</a></span></dt><dt><span class="sect1"><a href="ch01s10.html">1.10. Where to find additional information</a></span></dt></dl></dd><dt><span class="chapter"><a href="ch02.html">2. The Short Version: Installing the library (for PHP/Apache experts)</a></span></dt><dd><dl><dt><span class="sect1"><a href="ch02.html#id2475509">2.1. Installing</a></span></dt><dt><span class="sect1"><a href="ch02s02.html">2.2. Running the examples</a></span></dt><dt><span class="sect1"><a href="ch02s03.html">2.3. Basic trouble shooting</a></span></dt></dl></dd><dt><span class="chapter"><a href="ch03.html">3. The Long Version: Installing the Library</a></span></dt><dd><dl><dt><span class="sect1"><a href="ch03.html#id2475830">3.1. Downloading the library</a></span></dt><dt><span class="sect1"><a href="ch03s02.html">3.2. Necessary system requirements for the library</a></span></dt><dt><span class="sect1"><a href="ch03s03.html">3.3. Installing the library</a></span></dt><dt><span class="sect1"><a href="ch03s04.html">3.4. Installing and configuring Font support</a></span></dt><dt><span class="sect1"><a href="ch03s05.html">3.5. Adapting and customizing the installation</a></span></dt><dt><span class="sect1"><a href="ch03s06.html">3.6. Verifying the library installation</a></span></dt><dt><span class="sect1"><a href="ch03s07.html">3.7. Troubleshooting the installation</a></span></dt></dl></dd></dl></dd><dt><span class="part"><a href="pt02.html">II. Basic graph creation</a></span></dt><dd><dl><dt><span class="chapter"><a href="ch04.html">4. Your first graph script</a></span></dt><dd><dl><dt><span class="sect1"><a href="ch04.html#id2492897">4.1. Some words of caution</a></span></dt><dt><span class="sect1"><a href="ch04s02.html">4.2. Graphing the number of sun spots during the 19th Century</a></span></dt></dl></dd><dt><span class="chapter"><a href="ch05.html">5. Fundamentals of dynamic graph generation</a></span></dt><dd><dl><dt><span class="sect1"><a href="ch05.html#sec1.making-sense-of-HTTP-streams">5.1. Making sense of HTTP streams and MIME types</a></span></dt><dt><span class="sect1"><a href="ch05s02.html">5.2. What is an image?</a></span></dt><dt><span class="sect1"><a href="ch05s03.html">5.3. Static vs dynamic images</a></span></dt><dt><span class="sect1"><a href="ch05s04.html">5.4. Dynamic images on the command line</a></span></dt><dt><span class="sect1"><a href="ch05s05.html">5.5. How to generate images with JpGraph library</a></span></dt><dt><span class="sect1"><a href="ch05s06.html">5.6. Efficient graph generation using the built-in cache subsystem</a></span></dt></dl></dd><dt><span class="chapter"><a href="ch06.html">6. Error handling</a></span></dt><dd><dl><dt><span class="sect1"><a href="ch0
1700</a></dt><dt>4.2. <a href="ch04s02.html#fig.getsunspots">Reading numeric tabulated sunspot data from a file</a></dt><dt>4.3. <a href="ch04s02.html#fig.sunspotsex1">Line plot showing the number of sun spots since 1700 <code class="uri"><a class="uri" href="example_src/sunspotsex1.html" target="_top">(<code class="filename">sunspotsex1.php</code>)</a></code> </a></dt><dt>4.4. <a href="ch04s02.html#fig.sunspotsex2">Displaying sun spots with a semi filled line graph <code class="uri"><a class="uri" href="example_src/sunspotsex2.html" target="_top">(<code class="filename">sunspotsex2.php</code>)</a></code> </a></dt><dt>4.5. <a href="ch04s02.html#fig.sunspotsex3">Adding tick labels to the graph <code class="uri"><a class="uri" href="example_src/sunspotsex3.html" target="_top">(<code class="filename">sunspotsex3.php</code>)</a></code> </a></dt><dt>4.6. <a href="ch04s02.html#fig.sunspotsex4">Manually specifying the X scale to use just the supplied X values <code class="uri"><a class="uri" href="example_src/sunspotsex4.html" target="_top">(<code class="filename">sunspotsex4.php</code>)</a></code> </a></dt><dt>4.7. <a href="ch04s02.html#fig.sunspotsex5">Using a callback to get correct values on the x axis <code class="uri"><a class="uri" href="example_src/sunspotsex5.html" target="_top">(<code class="filename">sunspotsex5.php</code>)</a></code> </a></dt><dt>4.8. <a href="ch04s02.html#fig.sunspotsex6">Changing the plot type to a bar plot instead <code class="uri"><a class="uri" href="example_src/sunspotsex6.html" target="_top">(<code class="filename">sunspotsex6.php</code>)</a></code> </a></dt><dt>4.9. <a href="ch04s02.html#fig.sunspotsex7">Sunspots zoomed to only show the last 20 years <code class="uri"><a class="uri" href="example_src/sunspotsex7.html" target="_top">(<code class="filename">sunspotsex7.php</code>)</a></code> </a></dt><dt>6.1. <a href="ch06.html#fig.errmsg-ex1">Typical image error message</a></dt><dt>6.2. <a href="ch06.html#fig.errmsg-header-sent">The "Header already sent error message"</a></dt><dt>6.3. <a href="ch06s02.html#fig.errmsg-de-headers-sent">The "Header already sent" error message using German locale</a></dt><dt>6.4. <a href="ch06s02.html#fig.pseudo-locale">Using the production "pseudo" locale</a></dt><dt>7.1. <a href="ch07s04.html#fig.alpha-channel">Using alpha channel modifiers</a></dt><dt>7.2. <a href="ch07s04.html#fig.barlinealphaex1">Making use of transparency to combine two plots <code class="uri"><a class="uri" href="example_src/barlinealphaex1.html" target="_top">(<code class="filename">barlinealphaex1.php</code>)</a></code> </a></dt><dt>7.3. <a href="ch07s04.html#fig.orange-scale">Adjusting brightness of named color specifier</a></dt><dt>7.4. <a href="ch07s04.html#fig.blueish-scale">Adjusting brightness of a HTML color specifier</a></dt><dt>8.1. <a href="ch08s02.html#fig.listfontsex1">List of all latin TTF fonts. <code class="uri"><a class="uri" href="example_src/listfontsex1.html" target="_top">(<code class="filename">listfontsex1.php</code>)</a></code> </a></dt><dt>8.2. <a href="ch08s03.html#fig.textalignex1">Illustration of anchor point alignment <code class="uri"><a class="uri" href="example_src/textalignex1.html" target="_top">(<code class="filename">textalignex1.php</code>)</a></code> </a></dt><dt>8.3. <a href="ch08s04.html#fig.bargradex1">Example of how to use rotated labels <code class="uri"><a class="uri" href="example_src/bargradex1.html" target="_top">(<code class="filename">bargradex1.php</code>)</a></code> </a></dt><dt>8.4. <a href="ch08s04.html#fig.example20.3">Example of using rotated data point values <code class="uri"><a class="uri" href="example_src/example20.3.html" target="_top">(<code class="filename">example20.3.php</code>)</a></code> </a></dt><dt>8.5. <a href="ch08s05.html#fig.textpalignex1">The different types of paragraph alignments <code class="uri"><a class="uri" href="example_src/textpalignex1.html" target="_top">(<code class="filename">textpalignex1.php</code>)</a></code> </a></dt><dt>8.6. <a href="ch08s07.html#fig.sym-char-list">Rend
</a></dt><dt>8.7. <a href="ch08s07.html#fig.sym-char-capital-list">Rendered capital symbol characters corresponding to Table 8.3. Supported character entities in class SymChar. </a></dt><dt>8.8. <a href="ch08s07.html#fig.manualtickex2">Specifying manual ticks as fraction of Pi. <code class="uri"><a class="uri" href="example_src/manualtickex2.html" target="_top">(<code class="filename">manualtickex2.php</code>)</a></code> </a></dt><dt>9.1. <a href="ch09.html#fig.cache-overview">Library cache principle</a></dt><dt>10.1. <a href="ch10s04.html#fig.generated-csim-html-code">Example of generated HTML code for StrokeCSIM()</a></dt><dt>10.2. <a href="ch10s06.html#id2537145">Browser window after calling HTML page in Example 10.4. Example of HTML page that includes two Graph CSIM scripts
("<code class="filename">Examples/csim_in_html_ex2.html</code>") (Note: The image has been
scaled down to better fit this manual.)</a></dt><dt>12.1. <a href="ch12.html#fig.common-objects">Commonly used objects in a graph (<code class="uri"><a class="uri" href="example_src/common-obj-graph.html" target="_top">common-obj-graph.php</a></code>)</a></dt><dt>12.2. <a href="ch12s02.html#fig.common-pie-objects">Commonly used objects in Piegraphs (<code class="uri"><a class="uri" href="example_src/common-obj-piegraph.html" target="_top">
common-obj-piegraph.php</a></code>)</a></dt><dt>13.1. <a href="ch13s03.html#id2538657">Post vs. header() data direction</a></dt><dt>13.2. <a href="ch13s03.html#id2538810">The request phase of a POST header</a></dt><dt>13.3. <a href="ch13s03.html#id2538834">The reply phase of a POST request</a></dt><dt>13.4. <a href="ch13s06.html#id2539277">Original graph with all values</a></dt><dt>13.5. <a href="ch13s06.html#id2539306">Value at x=2 as ''</a></dt><dt>13.6. <a href="ch13s06.html#id2539330">Value at x=2 as '-'</a></dt><dt>13.7. <a href="ch13s06.html#fig.only-null-error">Error when only null values are specified</a></dt><dt>13.8. <a href="ch13s07.html#fig.php-htmlerr-missing-key">PHP (HTML) error when missing data keys</a></dt><dt>14.1. <a href="ch14.html#id2539571">Supported principle linear graph types in the library</a></dt><dt>14.2. <a href="ch14.html#fig.filledgridex1">Using alternating fill colors in the grid <code class="uri"><a class="uri" href="example_src/filledgridex1.html" target="_top">(<code class="filename">filledgridex1.php</code>)</a></code> </a></dt><dt>14.3. <a href="ch14.html#fig.gridstylesex1">Using different grid styles for major and minor grids <code class="uri"><a class="uri" href="example_src/gridstylesex1.html" target="_top">(<code class="filename">gridstylesex1.php</code>)</a></code> </a></dt><dt>14.4. <a href="ch14.html#fig.predefined-axis-pos">Predefined scientific axis positions </a></dt><dt>14.5. <a href="ch14.html#fig.funcex2">Example of <code class="code">AXSTYLE_BOXIN</code> axis style <code class="uri"><a class="uri" href="example_src/funcex2.html" target="_top">(<code class="filename">funcex2.php</code>)</a></code> </a></dt><dt>14.6. <a href="ch14s02.html#fig.titleex1">The various titles in a graph <code class="uri"><a class="uri" href="example_src/titleex1.html" target="_top">(<code class="filename">titleex1.php</code>)</a></code> </a></dt><dt>14.7. <a href="ch14s02.html#fig.gradbkgex1">Tabtitle and gradient background <code class="uri"><a class="uri" href="example_src/gradbkgex1.html" target="_top">(<code class="filename">gradbkgex1.php</code>)</a></code> </a></dt><dt>14.8. <a href="ch14s02.html#fig.imgmarkerex1">Tabtitle and image marker in a line plot <code class="uri"><a class="uri" href="example_src/imgmarkerex1.html" target="_top">(<code class="filename">imgmarkerex1.php</code>)</a></code> </a></dt><dt>14.9. <a href="ch14s02.html#fig.different-line-styles">Different line formatting</a></dt><dt>14.10. <a href="ch14s02.html#id2543242">Using a footer in a graph</a></dt><dt>14.11. <a href="ch14s02.html#fig.footerex1">Adding a left,right and center footer <code class="uri"><a class="uri" href="example_src/footerex1.html" target="_top">(<code class="filename">footerex1.php</code>)</a></code> </a></dt><dt>14.12. <a href="ch14s02.html#fig.example11">Adding a timer to the graph (in the footer) <code class="uri"><a class="uri" href="example_src/example11.html" target="_top">(<code class="filename">example11.php</code>)</a></code> </a></dt><dt>14.13. <a href="ch14s03.html#fig.clipping_ex1">Original plot without clipping <code class="uri"><a class="uri" href="example_src/clipping_ex1.html" target="_top">(<code class="filename">clipping_ex1.php</code>)</a></code> </a></dt><dt>14.14. <a href="ch14s03.html#fig.clipping_ex2">Plot with clipping enabled <code class="uri"><a class="uri" href="example_src/clipping_ex2.html" target="_top">(<code class="filename">clipping_ex2.php</code>)</a></code> </a></dt><dt>14.15. <a href="ch14s04.html#fig.legend-position-examples">Some example of ways to position the legend box in the graph</a></dt><dt>14.16. <a href="ch14s04.html#fig.legend-layouts">Some example of different legend layouts</a></dt><dt>14.17. <a href="ch14s06.html#fig.mulyaxisex1">Basic example of multiple y-axis <code class="uri"><a class="uri" href="example_src/mulyaxisex1.html" target="_top">(<code class="filename">mulyaxisex1.php</code>)</a></code> </a></dt><dt>14.18. <a href="ch14s06.html#fig.mulyaxis_csim_static">Illustration of <code class="uri"><a class="uri" hr
between a standard line (on-top) and the corresponding
anti-aliased line (on-the bottom)</a></dt><dt>14.83. <a href="ch14s13.html#id2552311">Affects of using anti-alias for Pie-graphs</a></dt><dt>14.84. <a href="ch14s14.html#fig.lineiconex1">Mixing an icon image into the background of the graph. The area plot in the graph uses alpha blending to achieve see-through affect <code class="uri"><a class="uri" href="example_src/lineiconex1.html" target="_top">(<code class="filename">lineiconex1.php</code>)</a></code> </a></dt><dt>14.85. <a href="ch14s14.html#fig.lineiconex2">Adding a country flag icon in the background <code class="uri"><a class="uri" href="example_src/lineiconex2.html" target="_top">(<code class="filename">lineiconex2.php</code>)</a></code> </a></dt><dt>14.86. <a href="ch14s15.html#fig.graph-for-background">The graph that will be used to add backgrounds
to</a></dt><dt>14.87. <a href="ch14s15.html#fig.background-image-for-examples">Background image (a closeup of our burnt
server)</a></dt><dt>14.88. <a href="ch14s15.html#fig.background_type_ex0">BGIMG_COPY <code class="uri"><a class="uri" href="example_src/background_type_ex0.html" target="_top">(<code class="filename">background_type_ex0.php</code>)</a></code> </a></dt><dt>14.89. <a href="ch14s15.html#fig.background_type_ex1">BGIMG_CENTER <code class="uri"><a class="uri" href="example_src/background_type_ex1.html" target="_top">(<code class="filename">background_type_ex1.php</code>)</a></code> </a></dt><dt>14.90. <a href="ch14s15.html#fig.background_type_ex2">BGIMG_FREE <code class="uri"><a class="uri" href="example_src/background_type_ex2.html" target="_top">(<code class="filename">background_type_ex2.php</code>)</a></code> </a></dt><dt>14.91. <a href="ch14s15.html#fig.background_type_ex3">BGIMG_FILLPLOT <code class="uri"><a class="uri" href="example_src/background_type_ex3.html" target="_top">(<code class="filename">background_type_ex3.php</code>)</a></code> </a></dt><dt>14.92. <a href="ch14s15.html#fig.background_type_ex4">BGIMG_FILLFRAME <code class="uri"><a class="uri" href="example_src/background_type_ex4.html" target="_top">(<code class="filename">background_type_ex4.php</code>)</a></code> </a></dt><dt>14.93. <a href="ch14s16.html#fig.different-gradient-fill-types">What area of the graph the gradient should affect</a></dt><dt>14.94. <a href="ch14s16.html#fig.different-gradient-types">Different types of gradient fills</a></dt><dt>14.95. <a href="ch14s16.html#fig.mkgrad">The "mkgrad" utiliy to create gradient images</a></dt><dt>14.96. <a href="ch14s17.html#fig.example25">Adding a text object to a graph <code class="uri"><a class="uri" href="example_src/example25.html" target="_top">(<code class="filename">example25.php</code>)</a></code> </a></dt><dt>14.97. <a href="ch14s17.html#fig.example25.1">Making the text stand out a bit more by adding a background color and frame <code class="uri"><a class="uri" href="example_src/example25.1.html" target="_top">(<code class="filename">example25.1.php</code>)</a></code> </a></dt><dt>14.98. <a href="ch14s17.html#fig.example25.2">Adding a text object with multiple rows of text. Paragraph alignment is set to "center" <code class="uri"><a class="uri" href="example_src/example25.2.html" target="_top">(<code class="filename">example25.2.php</code>)</a></code> </a></dt><dt>15.1. <a href="ch15.html#id2554057">Supported linear graph types in the library</a></dt><dt>15.2. <a href="ch15.html#fig.example0-0">The most simple line graph <code class="uri"><a class="uri" href="example_src/example0-0.html" target="_top">(<code class="filename">example0-0.php</code>)</a></code> </a></dt><dt>15.3. <a href="ch15.html#fig.example2">Adding some titles <code class="uri"><a class="uri" href="example_src/example2.html" target="_top">(<code class="filename">example2.php</code>)</a></code> </a></dt><dt>15.4. <a href="ch15.html#fig.example3">Changing fonts of the axis titles and adjusting plot weight <code class="uri"><a class="uri" href="example_src/example3.html" target="_top">(<code class="filename">example3.php</code>)</a></code> </a></dt><dt>15.5. <a href="ch15.html#fig.example3.0.1">Adding drop shadow and changing axis color <code class="uri"><a class="uri" href="example_src/example3.0.1.html" target="_top">(<code class="filename">example3.0.1.php</code>)</a></code> </a></dt><dt>15.6. <a href="ch15.html#fig.example3.0.3">Original null values <code class="uri"><a class="uri" href="example_src/example3.0.3.html" target="_top">(<code class="filename">example3.0.3.php</code>)</a></code> </a></dt><dt>15.7. <a href="ch15.html#fig.example3.0.2">Using '-' to get interpolated lines <code class="uri"><a class="uri" href="example_src/example3.0.2.html" target="_top">(<code class="filename">example3.0.2.php</code>)</a></code> </a></dt><dt>15.8. <a href="ch15.html#fig.example3.1">Adding basic plot marks to the plot <code class="uri"><a class="uri" href="example_src/example3.1.html" target="_top">(<code class="filename">example3.1.php</code>)</a></code> </a></dt><dt>15.9. <a href="ch15
WEB-browser)</a></dt><dt>24.3. <a href="ch24s05.html#id2596483">Encoding "ABC123" with CODE 39.</a></dt><dt>24.4. <a href="ch24s05.html#fig.c128-abc123">Encoding "ABC123" with CODE 128.</a></dt><dt>24.5. <a href="ch24s06.html#fig.barcode-validation-error">Image error - Failed barcode data validation</a></dt><dt>24.6. <a href="ch24s08.html#fig.adding-chk-c39">Encoding "ABC123" with CODE 39 adding checksum (checksum=4).</a></dt><dt>24.7. <a href="ch24s08.html#fig.barcode-c39-ex2">Encoding "ABC123" with CODE 39, hiding the text.</a></dt><dt>24.8. <a href="ch24s09.html#id2597646">UPC A Example</a></dt><dt>24.9. <a href="ch24s09.html#id2597838">UPC E Encoding of "05510000120"</a></dt><dt>24.10. <a href="ch24s09.html#id2597870">UPC A Encoding of "05510000120"</a></dt><dt>24.11. <a href="ch24s09.html#id2597955">EAN 8 Example</a></dt><dt>24.12. <a href="ch24s09.html#id2598047">EAN 13 Example</a></dt><dt>24.13. <a href="ch24s09.html#id2598148">EAN 128 Example</a></dt><dt>24.14. <a href="ch24s09.html#id2598277">Industrial 2 of 5, without check
digit</a></dt><dt>24.15. <a href="ch24s09.html#id2598310">Industrial 2 of 5, with check digit</a></dt><dt>24.16. <a href="ch24s09.html#id2598461">Industrial 2 of 5, without check
digit</a></dt><dt>24.17. <a href="ch24s09.html#id2598494">Industrial 2 of 5, with check digit</a></dt><dt>24.18. <a href="ch24s09.html#id2598630">Code 11, without check digit</a></dt><dt>24.19. <a href="ch24s09.html#id2598664">Code 11, with check digit</a></dt><dt>24.20. <a href="ch24s09.html#id2598817">Code 39, without check digit</a></dt><dt>24.21. <a href="ch24s09.html#id2598852">Code 39, with check digit</a></dt><dt>24.22. <a href="ch24s09.html#id2598980">Code 39 Extended, without check
digit</a></dt><dt>24.23. <a href="ch24s09.html#id2599013">Code 39 Extended, with check digit</a></dt><dt>24.24. <a href="ch24s09.html#id2599094">Code 128</a></dt><dt>24.25. <a href="ch24s09.html#id2599178">Codabar</a></dt><dt>24.26. <a href="ch24s09.html#id2599349">Bookland (ISBN)</a></dt><dt>25.1. <a href="ch25.html#fig.pdf417-structure-overview">PDF417 Structure - Overview</a></dt><dt>25.2. <a href="ch25.html#fig.pdf417-structure-details">PDF417 Structure - Details of a real barcode</a></dt><dt>25.3. <a href="ch25s02.html#fig.pdf417-demoapp">PDF417 WEB-based demo application</a></dt><dt>25.4. <a href="ch25s03.html#fig.pdf417-encodation-overview">Overview of the interaction between encoder and backends</a></dt><dt>25.5. <a href="ch25s03.html#fig.pdf417_ex0">The most basic PDF417 script <code class="uri"><a class="uri" href="example_src/pdf417_ex0.html" target="_top">(<code class="filename">pdf417_ex0.php</code>)</a></code> </a></dt><dt>25.6. <a href="ch25s03.html#fig.pdf417_ex1">Adding error handling <code class="uri"><a class="uri" href="example_src/pdf417_ex1.html" target="_top">(<code class="filename">pdf417_ex1.php</code>)</a></code> </a></dt><dt>25.7. <a href="ch25s03.html#fig.pdf417_ex1b">Adjusting the number of columns and error correction level <code class="uri"><a class="uri" href="example_src/pdf417_ex1b.html" target="_top">(<code class="filename">pdf417_ex1b.php</code>)</a></code> </a></dt><dt>25.8. <a href="ch25s03.html#fig.pdf417_ex2">Adjusting the module width and showing human readable text <code class="uri"><a class="uri" href="example_src/pdf417_ex2.html" target="_top">(<code class="filename">pdf417_ex2.php</code>)</a></code> </a></dt><dt>25.9. <a href="ch25s04.html#id2600868">Structure for manually specified encodation schema</a></dt><dt>25.10. <a href="ch25s04.html#id2602035">Normal PDF417</a></dt><dt>25.11. <a href="ch25s04.html#id2602069">Truncated PDF417</a></dt><dt>25.12. <a href="ch25s08.html#fig.pdf417_ex3">Showing human readable text <code class="uri"><a class="uri" href="example_src/pdf417_ex3.html" target="_top">(<code class="filename">pdf417_ex3.php</code>)</a></code> </a></dt><dt>25.13. <a href="ch25s08.html#fig.pdf417_ex4">Changing colors <code class="uri"><a class="uri" href="example_src/pdf417_ex4.html" target="_top">(<code class="filename">pdf417_ex4.php</code>)</a></code> </a></dt><dt>25.14. <a href="ch25s08.html#fig.pdf417_ex6"> <code class="uri"><a class="uri" href="example_src/pdf417_ex6.html" target="_top">(<code class="filename">pdf417_ex6.php</code>)</a></code> </a></dt><dt>26.1. <a href="ch26.html#fig.datamatrix-structure">Datamatrix structure.</a></dt><dt>26.2. <a href="ch26.html#fig.datamatrix-square">Datamatrix - Square symbol shape</a></dt><dt>26.3. <a href="ch26.html#fig.datamatrix-rect">Datamatrix - Rectangle symbol shape</a></dt><dt>26.4. <a href="ch26s02.html#fig.datamatrix-encodation-principle">Datamatrix encodation principle</a></dt><dt>26.5. <a href="ch26s02.html#fig.datamatrix_ex00">The simplest possible datamatrix script <code class="uri"><a class="uri" href="example_src/datamatrix_ex00.html" target="_top">(<code class="filename">datamatrix_ex00.php</code>)</a></code> </a></dt><dt>26.6. <a href="ch26s02.html#fig.datamatrix-error-image">Datamatrix error image</a></dt><dt>26.7. <a href="ch26s02.html#fig.datamatrix_ex0">Datamatrix with basic error handling <code class="uri"><a class="uri" href="example_src/datamatrix_ex0.html" target="_top">(<code class="filename">datamatrix_ex0.php</code>)</a></code> </a></dt><dt>26.8. <a href="ch26s02.html#fig.datamatrix_ex1">Datamatrix with modified module width <code class="uri"><a class="uri" href="example_src/datamatrix_ex1.html" target="_top">(<code class="filename">datamatrix_ex1.php</code>)</a></code> </a></dt><dt>26.9. <a href="ch26s02.html#fig.datamatrix-demoapp">Datamatrix WEB-based demo application</a></dt><dt>26.10. <a href="ch26s03.html#fig.datamatrix_ex4">Datamatrix example, setting quiet zone and ASCII encoding <code class="uri"><a class="uri" href="example_src/datamat
state of one task.</a></dt><dt>35.2. <a href="ch35.html#fig.cc-penetration-charts">Buffer penetration chart for example</a></dt><dt>35.3. <a href="ch35.html#fig.ccbp-historic-chart">Buffer penetration chart with "historic" tail</a></dt><dt>35.4. <a href="ch35.html#fig.ccbp_ex1">Complete buffer penetration example with history trace <code class="uri"><a class="uri" href="example_src/ccbp_ex1.html" target="_top">(<code class="filename">ccbp_ex1.php</code>)</a></code> </a></dt><dt>35.5. <a href="ch35.html#fig.ccbp_ex2">Using the alternative color map <code class="uri"><a class="uri" href="example_src/ccbp_ex2.html" target="_top">(<code class="filename">ccbp_ex2.php</code>)</a></code> </a></dt><dt>35.6. <a href="ch35s03.html#fig.ccbp-background-step">Steps to create the background</a></dt><dt>A.1. <a href="apa.html#fig.documentation-build-system">The documentation build process</a></dt><dt>E.1. <a href="apes02.html#id2637423">Small size</a></dt><dt>E.2. <a href="apes02.html#id2637447">Medium size</a></dt><dt>E.3. <a href="apes02.html#id2637469">Large size</a></dt><dt>E.4. <a href="apes02.html#id2637499">Standard size</a></dt><dt>E.5. <a href="apes02.html#id2637525">Standard size</a></dt><dt>E.6. <a href="apes02.html#id2637554">Standard size</a></dt><dt>E.7. <a href="apes02.html#id2637582">Standard size</a></dt><dt>E.8. <a href="apes02.html#id2637570">Standard size</a></dt></dl></div><div class="list-of-tables"><p><b>List of Tables</b></p><dl><dt>1.1. <a href="ch01s09.html#id2472846">Feature matrix for JpGraph library</a></dt><dt>1.2. <a href="ch01s10.html#id2474910">External JpGraph tutorial</a></dt><dt>3.1. <a href="ch03s02.html#table.ttf-font-files">Latin TTF font file names</a></dt><dt>8.1. <a href="ch08s02.html#id2497107">Supported Font Styles</a></dt><dt>8.2. <a href="ch08s02.html#table.font-families">Supported Latin Font family specifiers</a></dt><dt>8.3. <a href="ch08s07.html#tab.sym-char-list">Supported character entities in class SymChar</a></dt><dt>8.4. <a href="ch08s08.html#id2500290">Japanese encoding options</a></dt><dt>8.5. <a href="ch08s08.html#id2500523">Cyrillic encoding options</a></dt><dt>8.6. <a href="ch08s08.html#id2500733">Greek encoding options</a></dt><dt>10.1. <a href="ch10.html#tab.csim-examples-name">CSIM Examples (in Examples/ directory)</a></dt><dt>14.1. <a href="ch14.html#id2541091">Axis configurations</a></dt><dt>16.1. <a href="ch16s04.html#tab.grad-bar-patterns">Gantt bar patterns</a></dt><dt>19.1. <a href="ch19s04.html#id2581768">Table API Overview</a></dt><dt>20.1. <a href="ch20s02.html#id2584239">Available arrow size</a></dt><dt>21.1. <a href="ch21.html#table.windrose-default-buckets">Default windrose buckets</a></dt><dt>25.1. <a href="ch25s04.html#table.pdf417-error-levels">Available error levels</a></dt><dt>25.2. <a href="ch25s04.html#id2601724">Recommended error levels</a></dt><dt>26.1. <a href="ch26.html#table.datamatrix-encodation-efficiency">Datamatrix encodation efficiency</a></dt><dt>26.2. <a href="ch26.html#table.datamatrix-ecc200-size">Maximum data capacity for the different symbol sizes in ECC-200 Data
Matrix subset.</a></dt><dt>26.3. <a href="ch26s02.html#table.datamatrix-error-messages">Datamatrix error messages</a></dt><dt>26.4. <a href="ch26s02.html#table.datamatrix-symbikc-encoding">Datamatrix encodation schemas</a></dt><dt>26.5. <a href="ch26s02.html#table.datamatrix-tilde-processing">Tilde processing translating</a></dt><dt>27.1. <a href="ch27.html#table.qr-capacity">QR Data capacity</a></dt><dt>27.2. <a href="ch27.html#table.qr-symbol-sizes">Maximum data capacity for the
different symbol sizes in the QR-code.</a></dt><dt>27.3. <a href="ch27.html#table.qr-error-correction-levels">QR Error correction levels</a></dt><dt>27.4. <a href="ch27s02.html#table.qr-error-messages">QR Error messages</a></dt><dt>D.1. <a href="apd.html#id2625812">Named color list</a></dt><dt>E.1. <a href="ape.html#tab.built-in-plotmarks">Built in line based plot marks</a></dt><dt>F.1. <a href="apf.html#id2637692">List of all country flags sorted by country name</a></dt><dt>G.1. <a href="apg.html#id2645503">List of files included in the library</a></dt><dt>G.2. <a href="apg.html#id2645576">List of subdirectories in main <code class="filename">src</code> directory</a></dt><dt>H.1. <a href="aph.html#id2646887">English error messages</a></dt><dt>H.2. <a href="aphs02.html#id2646957">English error messages</a></dt><dt>H.3. <a href="aphs03.html#id2653316">English error messages</a></dt></dl></div><div class="list-of-examples"><p><b>List of Examples</b></p><dl><dt>1.1. <a href="ch01s04.html#example.example0">This is the very first example (<code class="filename">example0.php</code>) </a></dt><dt>3.1. <a href="ch03s02.html#example.checkgd">Verifying the GD installations (<code class="filename">checkgd.php</code>) </a></dt><dt>3.2. <a href="ch03s02.html#example.checkgd2">Verifying GD2 (<code class="filename">checkgd2.php</code>) </a></dt><dt>3.3. <a href="ch03s02.html#id2489639">Installing GD through RPM packet manager</a></dt><dt>3.4. <a href="ch03s02.html#example.checkttf">Verifying TTF with a known font (<code class="filename">checkttf.php</code>) </a></dt><dt>3.5. <a href="ch03s03.html#id2491770">Alias configuration for a development server running Apache with
Eclipse-PDT</a></dt><dt>6.1. <a href="ch06s03.html#ex.jpgraphexception1">Throwing a JpGraph exception</a></dt><dt>6.2. <a href="ch06s03.html#ex.jpgraphexception2">Catching a JpGraph exception and sending it back as an image to the
client</a></dt><dt>8.1. <a href="ch08s06.html#ex.user-font-ex1">Specifying and installing a user specified font</a></dt><dt>8.2. <a href="ch08s07.html#ex.sym-char-ex1">Using the SymChar class to display the Greek letter "pi"</a></dt><dt>9.1. <a href="ch09s03.html#example.auto-cache-filename">Using an automatic cache filename and a 60min timeout of the cached
images.</a></dt><dt>9.2. <a href="ch09s04.html#id2535468">General structure for a CSIM script that uses CSIM</a></dt><dt>10.1. <a href="ch10s06.html#ex.csim-html-ex1">Principles of including CSIM graph in a HTML page</a></dt><dt>10.2. <a href="ch10s06.html#ex.csim-targ-same-window">Creating CSIM URL targets to open in same browser window</a></dt><dt>10.3. <a href="ch10s06.html#ex.csim-targ-fresh-window">Creating CSIM URL targets to open in a fresh window</a></dt><dt>10.4. <a href="ch10s06.html#ex.csim-html-two-graphs">Example of HTML page that includes two Graph CSIM scripts
("<code class="filename">Examples/csim_in_html_ex2.html</code>")</a></dt><dt>13.1. <a href="ch13s06.html#ex.different-nulls">Illustration of different types of NULL values in graphs</a></dt><dt>14.1. <a href="ch14s08.html#id2546229">Adjusting the axis font and color</a></dt><dt>14.2. <a href="ch14s08.html#id2547540">Adjusting manual text tick interval </a></dt><dt>14.3. <a href="ch14s08.html#id2547630">Adjusting the interval for the labels</a></dt><dt>14.4. <a href="ch14s08.html#id2547704">Adjusting both text tick mark and label interval</a></dt><dt>14.5. <a href="ch14s08.html#ex.types-of-plotbands">Different densities for plot bands</a></dt><dt>14.6. <a href="ch14s08.html#ex.plotband-densities">Different densities for various plot bands</a></dt><dt>14.7. <a href="ch14s10.html#id2549577">We want the time adjustment to start on an even quarter of an hour,
i.e. an even 15 minute period.</a></dt><dt>14.8. <a href="ch14s10.html#id2549591">We want the time to start on an even 2 hour</a></dt><dt>14.9. <a href="ch14s10.html#example.timestampex01">Manually creating a date/time scale (<code class="filename">timestampex01.php</code>) </a></dt><dt>15.1. <a href="ch15.html#example.example0-0">The most simple line graph (<code class="filename">example0-0.php</code>) </a></dt><dt>15.2. <a href="ch15.html#example.example2">Adding some titles (<code class="filename">example2.php</code>) </a></dt><dt>15.3. <a href="ch15s05.html#example.scatterex1">A basic scatter plot (<code class="filename">scatterex1.php</code>) </a></dt><dt>15.4. <a href="ch15s05.html#example.pushpinex1">An example with geo maps (<code class="filename">pushpinex1.php</code>) </a></dt><dt>16.1. <a href="ch16.html#example.example26">A basic Pie graph (<code class="filename">example26.php</code>) </a></dt><dt>16.2. <a href="ch16.html#example.pieex3">Adding several pie plots to the same pie graph (<code class="filename">pieex3.php</code>) </a></dt><dt>16.3. <a href="ch16.html#example.piebkgex1">Pie plots with a background image (<code class="filename">piebkgex1.php</code>) </a></dt><dt>16.4. <a href="ch16s02.html#id2568024">Having the name of the months as title of the axis</a></dt><dt>16.5. <a href="ch16s02.html#example.fixscale_radarex1">A more complex example of a radar graph with a manual scale (<code class="filename">fixscale_radarex1.php</code>) </a></dt><dt>16.6. <a href="ch16s04.html#example.ganttex00">The simplest possible Gantt graph (<code class="filename">ganttex00.php</code>) </a></dt><dt>17.1. <a href="ch17s03.html#example.canvasex01">A simple canvas graph to draw a text box (<code class="filename">canvasex01.php</code>) </a></dt><dt>17.2. <a href="ch17s03.html#example.canvasex02">Drawing some basic geometric shapes on a canvas (<code class="filename">canvasex02.php</code>) </a></dt><dt>17.3. <a href="ch17s03.html#example.canvasex03">Creating a canvas graph with a scale and using the shape class (<code class="filename">canvasex03.php</code>) </a></dt><dt>18.1. <a href="ch18.html#example.example16.6">Linear regression using utility class (<code class="filename">example16.6.php</code>) </a></dt><dt>19.1. <a href="ch19s02.html#example.table_howto1">The most basic 2x4 table (<code class="filename">table_howto1.php</code>) </a></dt><dt>20.1. <a href="ch20s02.html#example.odotutex00">A basic odometer (<code class="filename">odotutex00.php</code>) </a></dt><dt>20.2. <a href="ch20s02.html#example.odotutex02">Adding titles and captions (<code class="filename">odotutex02.php</code>) </a></dt><dt>20.3. <a href="ch20s02.html#example.odotutex03">Adding a multi line caption (<code class="filename">odotutex03.php</code>) </a></dt><dt>20.4. <a href="ch20s03.html#example.odotutex15">Adjusting the scale format (<code class="filename">odotutex15.php</code>) </a></dt><dt>20.5. <a href="ch20s04.html#example.odotutex18">Using layout classes for automatic positioning (<code class="filename">odotutex18.php</code>) </a></dt><dt>21.1. <a href="ch21.html#id2587141">Examples of input data for compass (regular) Windrose plots</a></dt><dt>21.2. <a href="ch21.html#id2587190"> Examples of input data for free Windrose plots</a></dt><dt>21.3. <a href="ch21s02.html#example.windrose_ex0">A basic 16 direction windrose graph (<code class="filename">windrose_ex0.php</code>) </a></dt><dt>21.4. <a href="ch21s02.html#example.windrose_2plots_ex1">Adding two windrose plots to the same graph (<code class="filename">windrose_2plots_ex1.php</code>) </a></dt><dt>21.5. <a href="ch21s05.html#example.windrose_icon_ex1">Adding a "tornado" icon to the top left corner (<code class="filename">windrose_icon_ex1.php</code>) </a></dt><dt>21.6. <a href="ch21s06.html#example.windrose_layout_ex1">Using layout classes to position 5 windrose plots (<code class="filename">windrose_layout_ex1.php</code>) </a></dt><dt>21.7. <a href="ch21s07.html#example.windrose_ex1"> (<code class="filename">windrose_ex1.php</code>) </a></dt><dt>21.8. <a href="
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