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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<TITLE>javascriptRRD libraries</TITLE>
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<H1 CLASS="western">javascriptRRD libraries</H1>
<P>The javascriptRRD package contains base three javascript modules:</P>
<UL>
<LI><P>The <A HREF="rrdFile_js.html">rrdFile module</A>, used to
extract information from <A HREF="http://oss.oetiker.ch/rrdtool/">RRD
archives</A> loaded as binary file objects.</P>
<LI><P>The <A HREF="rrdMultiFile_js.html">rrdMultiFile module</A>,
used to combine many rrdFile objects.</P>
<LI><P>The <A HREF="binaryXHR_js.html">binaryXHR module</A>, used to
retrieve binary files using the <A HREF="http://en.wikipedia.org/wiki/XMLHttpRequest">XMLHttpRequest</A>
API.</P>
</UL>
<P>Together they can be used to implement AJAX style applications.</P>
<P> The <A HREF="rrdFilter_js.html">rrdFilter module</A> can be used to filter datasources (DSs) and apply user-customized filter objects such as mathematical operations. This module also has methods to Filter RRAs for time shifts (for timezone implementation) and/or Averaging (for creating new, averaged RRAs with different step sizes). See the <A HREF="../../src/examples/rrdJFlotFilter.html">rrdJFlotFilter.html (DS Filters) example</A> and the <A HREF="../../src/examples/rrdJFlotFilterRRA.html">rrdJFlotFilterRRA (RRA Filters) example</A>.</P>
<P>The package also provides two classes, based on
<A HREF="http://www.flotcharts.org/">Flot</A>,
that automate most of the graphing needs:</P>
<UL>
<LI><P>The <A HREF="rrdFlot_js.html">rrdFlot module</A> can be used to plot a single RRD file.<BR>
See also the <A HREF="../../src/examples/rrdJFlot.html">rrdJFlot.html example</A> and the <A HREF="../../src/examples/rrdJFlotDefaults.html">same graph with all rrdflot_defaults available options shown.</A></P>
<LI><P>The <A HREF="rrdFlotMatrix_js.html">rrdFlotMatrix module</A> can be used to plot a list of RRD files.<BR>
See also the <A HREF="../../src/examples/rrdMatrixFlot.html">rrdMatrixFlot.html example</A>.</P>
<LI><P>More examples can be found on the
<A HREF="../../src/examples/index.html">examples web page</a>, with mode helpful comments in the code.</P>
</UL>
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<P>The javascriptRRD package
is hosted at <A HREF="http://javascriptrrd.sourceforge.net/">http://javascriptrrd.sourceforge.net</A>.
<BR>It is licensed under the <A HREF="http://www.opensource.org/licenses/mit-license.php">MIT
license</A>.
</P>
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