dynamictimeseriescollection.html

JFreeChart 9.20的文档 需要用JAVA在网页上做统计图的东东

<DT><B>Parameters:</B><DD><CODE>seriesNumber</CODE> - the series.<DD><CODE>newName</CODE> - the new name.</DL>
</DD>
</DL>
<HR>

<A NAME="addValue(int, int, float)"><!-- --></A><H3>
addValue</H3>
<PRE>
public void <B>addValue</B>(int&nbsp;seriesNumber,
                     int&nbsp;index,
                     float&nbsp;value)</PRE>
<DL>
<DD>Adds a value to a series.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>seriesNumber</CODE> - the series index.<DD><CODE>index</CODE> - ??.<DD><CODE>value</CODE> - the value.</DL>
</DD>
</DL>
<HR>

<A NAME="getSeriesCount()"><!-- --></A><H3>
getSeriesCount</H3>
<PRE>
public int <B>getSeriesCount</B>()</PRE>
<DL>
<DD>Returns the number of series in the collection.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/SeriesDataset.html#getSeriesCount()">getSeriesCount</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/SeriesDataset.html" title="interface in org.jfree.data">SeriesDataset</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/AbstractSeriesDataset.html#getSeriesCount()">getSeriesCount</A></CODE> in class <CODE><A HREF="../../../../org/jfree/data/AbstractSeriesDataset.html" title="class in org.jfree.data">AbstractSeriesDataset</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the series count.</DL>
</DD>
</DL>
<HR>

<A NAME="getItemCount(int)"><!-- --></A><H3>
getItemCount</H3>
<PRE>
public int <B>getItemCount</B>(int&nbsp;series)</PRE>
<DL>
<DD>Returns the number of items in a series.
 <p>
 For this implementation, all series have the same number of items.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/XYDataset.html#getItemCount(int)">getItemCount</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data">XYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series index (zero-based).
<DT><B>Returns:</B><DD>The item count.</DL>
</DD>
</DL>
<HR>

<A NAME="translateGet(int)"><!-- --></A><H3>
translateGet</H3>
<PRE>
protected int <B>translateGet</B>(int&nbsp;toFetch)</PRE>
<DL>
<DD>Re-map an index, for use in retrieving data.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>toFetch</CODE> - the index.
<DT><B>Returns:</B><DD>The translated index.</DL>
</DD>
</DL>
<HR>

<A NAME="offsetFromNewest(int)"><!-- --></A><H3>
offsetFromNewest</H3>
<PRE>
public int <B>offsetFromNewest</B>(int&nbsp;delta)</PRE>
<DL>
<DD>Returns the actual index to a time offset by "delta" from newestAt.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>delta</CODE> - the delta.
<DT><B>Returns:</B><DD>The offset.</DL>
</DD>
</DL>
<HR>

<A NAME="offsetFromOldest(int)"><!-- --></A><H3>
offsetFromOldest</H3>
<PRE>
public int <B>offsetFromOldest</B>(int&nbsp;delta)</PRE>
<DL>
<DD>??
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>delta</CODE> - ??
<DT><B>Returns:</B><DD>The offset.</DL>
</DD>
</DL>
<HR>

<A NAME="wrapOffset(int)"><!-- --></A><H3>
wrapOffset</H3>
<PRE>
protected int <B>wrapOffset</B>(int&nbsp;protoIndex)</PRE>
<DL>
<DD>??
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>protoIndex</CODE> - the index.
<DT><B>Returns:</B><DD>The offset.</DL>
</DD>
</DL>
<HR>

<A NAME="advanceTime()"><!-- --></A><H3>
advanceTime</H3>
<PRE>
public <A HREF="../../../../org/jfree/data/time/RegularTimePeriod.html" title="class in org.jfree.data.time">RegularTimePeriod</A> <B>advanceTime</B>()</PRE>
<DL>
<DD>Adjust the array offset as needed when a new time-period is added:
 Increments the indices "oldestAt" and "newestAt", mod(array length),
 zeroes the series values at newestAt, returns the new TimePeriod.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The new time period.</DL>
</DD>
</DL>
<HR>

<A NAME="invalidateRangeInfo()"><!-- --></A><H3>
invalidateRangeInfo</H3>
<PRE>
public void <B>invalidateRangeInfo</B>()</PRE>
<DL>
<DD>Invalidates the range info.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="findMaxValue()"><!-- --></A><H3>
findMaxValue</H3>
<PRE>
protected double <B>findMaxValue</B>()</PRE>
<DL>
<DD>Returns the maximum value.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The maximum value.</DL>
</DD>
</DL>
<HR>

<A NAME="getOldestIndex()"><!-- --></A><H3>
getOldestIndex</H3>
<PRE>
public int <B>getOldestIndex</B>()</PRE>
<DL>
<DD>Returns the index of the oldest data item.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The index.</DL>
</DD>
</DL>
<HR>

<A NAME="getNewestIndex()"><!-- --></A><H3>
getNewestIndex</H3>
<PRE>
public int <B>getNewestIndex</B>()</PRE>
<DL>
<DD>Returns the index of the newest data item.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The index.</DL>
</DD>
</DL>
<HR>

<A NAME="appendData(float[])"><!-- --></A><H3>
appendData</H3>
<PRE>
public void <B>appendData</B>(float[]&nbsp;newData)</PRE>
<DL>
<DD>Appends new data.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newData</CODE> - the data.</DL>
</DD>
</DL>
<HR>

<A NAME="appendData(float[], int, int)"><!-- --></A><H3>
appendData</H3>
<PRE>
public void <B>appendData</B>(float[]&nbsp;newData,
                       int&nbsp;insertionIndex,
                       int&nbsp;refresh)</PRE>
<DL>
<DD>Appends data at specified index, for loading up with data from file(s).
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newData</CODE> - the data<DD><CODE>insertionIndex</CODE> - the index value at which to put it<DD><CODE>refresh</CODE> - value of n in "refresh the display on every nth call"
                 (ignored if <= 0 )</DL>
</DD>
</DL>
<HR>

<A NAME="getNewestTime()"><!-- --></A><H3>
getNewestTime</H3>
<PRE>
public <A HREF="../../../../org/jfree/data/time/RegularTimePeriod.html" title="class in org.jfree.data.time">RegularTimePeriod</A> <B>getNewestTime</B>()</PRE>
<DL>
<DD>Returns the newest time.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The newest time.</DL>
</DD>
</DL>
<HR>

<A NAME="getOldestTime()"><!-- --></A><H3>
getOldestTime</H3>
<PRE>
public <A HREF="../../../../org/jfree/data/time/RegularTimePeriod.html" title="class in org.jfree.data.time">RegularTimePeriod</A> <B>getOldestTime</B>()</PRE>
<DL>
<DD>Returns the oldest time.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The oldest time.</DL>
</DD>
</DL>
<HR>

<A NAME="getXValue(int, int)"><!-- --></A><H3>
getXValue</H3>
<PRE>
public java.lang.Number <B>getXValue</B>(int&nbsp;series,
                                  int&nbsp;item)</PRE>
<DL>
<DD>Returns the x-value.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/XYDataset.html#getXValue(int, int)">getXValue</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data">XYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series index (zero-based).<DD><CODE>item</CODE> - the item index (zero-based).
<DT><B>Returns:</B><DD>The value.</DL>
</DD>
</DL>
<HR>

<A NAME="getY(int, int)"><!-- --></A><H3>
getY</H3>
<PRE>
public double <B>getY</B>(int&nbsp;series,
                   int&nbsp;item)</PRE>