logarithmicaxis.html

JFreeChart 9.20的文档 需要用JAVA在网页上做统计图的东东

protected double <B>computeLogFloor</B>(double&nbsp;lower)</PRE>
<DL>
<DD>Returns the largest (closest to positive infinity) double value that is
 not greater than the argument, is equal to a mathematical integer and
 satisfying the condition that log base 10 of the value is an integer
 (i.e., the value returned will be a power of 10: 1, 10, 100, 1000, etc.).
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>lower</CODE> - a double value below which a floor will be calcualted.
<DT><B>Returns:</B><DD>10<sup>N</sup> with N .. { 1 ... }</DL>
</DD>
</DL>
<HR>

<A NAME="computeLogCeil(double)"><!-- --></A><H3>
computeLogCeil</H3>
<PRE>
protected double <B>computeLogCeil</B>(double&nbsp;upper)</PRE>
<DL>
<DD>Returns the smallest (closest to negative infinity) double value that is
 not less than the argument, is equal to a mathematical integer and
 satisfying the condition that log base 10 of the value is an integer
 (i.e., the value returned will be a power of 10: 1, 10, 100, 1000, etc.).
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>upper</CODE> - a double value above which a ceiling will be calcualted.
<DT><B>Returns:</B><DD>10<sup>N</sup> with N .. { 1 ... }</DL>
</DD>
</DL>
<HR>

<A NAME="autoAdjustRange()"><!-- --></A><H3>
autoAdjustRange</H3>
<PRE>
public void <B>autoAdjustRange</B>()</PRE>
<DL>
<DD>Rescales the axis to ensure that all data is visible.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/chart/axis/NumberAxis.html#autoAdjustRange()">autoAdjustRange</A></CODE> in class <CODE><A HREF="../../../../org/jfree/chart/axis/NumberAxis.html" title="class in org.jfree.chart.axis">NumberAxis</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="valueToJava2D(double, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge)"><!-- --></A><H3>
valueToJava2D</H3>
<PRE>
public double <B>valueToJava2D</B>(double&nbsp;value,
                            java.awt.geom.Rectangle2D&nbsp;plotArea,
                            org.jfree.ui.RectangleEdge&nbsp;edge)</PRE>
<DL>
<DD>Converts a data value to a coordinate in Java2D space, assuming that
 the axis runs along one edge of the specified plotArea.
 Note that it is possible for the coordinate to fall outside the
 plotArea.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/chart/axis/NumberAxis.html#valueToJava2D(double, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge)">valueToJava2D</A></CODE> in class <CODE><A HREF="../../../../org/jfree/chart/axis/NumberAxis.html" title="class in org.jfree.chart.axis">NumberAxis</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the data value.<DD><CODE>plotArea</CODE> - the area for plotting the data.<DD><CODE>edge</CODE> - the axis location.
<DT><B>Returns:</B><DD>the Java2D coordinate.</DL>
</DD>
</DL>
<HR>

<A NAME="java2DToValue(double, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge)"><!-- --></A><H3>
java2DToValue</H3>
<PRE>
public double <B>java2DToValue</B>(double&nbsp;java2DValue,
                            java.awt.geom.Rectangle2D&nbsp;plotArea,
                            org.jfree.ui.RectangleEdge&nbsp;edge)</PRE>
<DL>
<DD>Converts a coordinate in Java2D space to the corresponding data
 value, assuming that the axis runs along one edge of the specified plotArea.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/chart/axis/NumberAxis.html#java2DToValue(double, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge)">java2DToValue</A></CODE> in class <CODE><A HREF="../../../../org/jfree/chart/axis/NumberAxis.html" title="class in org.jfree.chart.axis">NumberAxis</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>java2DValue</CODE> - the coordinate in Java2D space.<DD><CODE>plotArea</CODE> - the area in which the data is plotted.<DD><CODE>edge</CODE> - the axis location.
<DT><B>Returns:</B><DD>the data value.</DL>
</DD>
</DL>
<HR>

<A NAME="refreshTicks(java.awt.Graphics2D, org.jfree.chart.axis.AxisState, java.awt.geom.Rectangle2D, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge)"><!-- --></A><H3>
refreshTicks</H3>
<PRE>
public java.util.List <B>refreshTicks</B>(java.awt.Graphics2D&nbsp;g2,
                                   <A HREF="../../../../org/jfree/chart/axis/AxisState.html" title="class in org.jfree.chart.axis">AxisState</A>&nbsp;state,
                                   java.awt.geom.Rectangle2D&nbsp;drawArea,
                                   java.awt.geom.Rectangle2D&nbsp;dataArea,
                                   org.jfree.ui.RectangleEdge&nbsp;edge)</PRE>
<DL>
<DD>Calculates the positions of the tick labels for the axis, storing the results in the
 tick label list (ready for drawing).
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/chart/axis/NumberAxis.html#refreshTicks(java.awt.Graphics2D, org.jfree.chart.axis.AxisState, java.awt.geom.Rectangle2D, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge)">refreshTicks</A></CODE> in class <CODE><A HREF="../../../../org/jfree/chart/axis/NumberAxis.html" title="class in org.jfree.chart.axis">NumberAxis</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>g2</CODE> - the graphics device.<DD><CODE>state</CODE> - the axis state.<DD><CODE>drawArea</CODE> - the area in which the plot and the axes should be drawn.<DD><CODE>dataArea</CODE> - the area in which the plot should be drawn.<DD><CODE>edge</CODE> - the location of the axis.
<DT><B>Returns:</B><DD>a list of ticks.</DL>
</DD>
</DL>
<HR>

<A NAME="refreshTicksHorizontal(java.awt.Graphics2D, double, java.awt.geom.Rectangle2D, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge)"><!-- --></A><H3>
refreshTicksHorizontal</H3>
<PRE>
public java.util.List <B>refreshTicksHorizontal</B>(java.awt.Graphics2D&nbsp;g2,
                                             double&nbsp;cursor,
                                             java.awt.geom.Rectangle2D&nbsp;drawArea,
                                             java.awt.geom.Rectangle2D&nbsp;dataArea,
                                             org.jfree.ui.RectangleEdge&nbsp;edge)</PRE>
<DL>
<DD>Calculates the positions of the tick labels for the axis, storing the results in the
 tick label list (ready for drawing).
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>g2</CODE> - the graphics device.<DD><CODE>cursor</CODE> - the cursor position.<DD><CODE>drawArea</CODE> - the area in which the plot and the axes should be drawn.<DD><CODE>dataArea</CODE> - the area in which the plot should be drawn.<DD><CODE>edge</CODE> - the location of the axis.
<DT><B>Returns:</B><DD>A list of ticks.</DL>
</DD>
</DL>
<HR>

<A NAME="refreshTicksVertical(java.awt.Graphics2D, double, java.awt.geom.Rectangle2D, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge)"><!-- --></A><H3>
refreshTicksVertical</H3>
<PRE>
public java.util.List <B>refreshTicksVertical</B>(java.awt.Graphics2D&nbsp;g2,
                                           double&nbsp;cursor,
                                           java.awt.geom.Rectangle2D&nbsp;plotArea,
                                           java.awt.geom.Rectangle2D&nbsp;dataArea,
                                           org.jfree.ui.RectangleEdge&nbsp;edge)</PRE>
<DL>
<DD>Calculates the positions of the tick labels for the axis, storing the
 results in the tick label list (ready for drawing).
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>g2</CODE> - the graphics device.<DD><CODE>cursor</CODE> - the cursor position.<DD><CODE>plotArea</CODE> - the area in which the plot and the axes should be drawn.<DD><CODE>dataArea</CODE> - the area in which the plot should be drawn.<DD><CODE>edge</CODE> - the axis location.
<DT><B>Returns:</B><DD>A list of ticks.</DL>
</DD>
</DL>
<HR>

<A NAME="makeTickLabel(double, boolean)"><!-- --></A><H3>
makeTickLabel</H3>
<PRE>
protected java.lang.String <B>makeTickLabel</B>(double&nbsp;val,
                                         boolean&nbsp;forceFmtFlag)</PRE>
<DL>
<DD>Converts the given value to a tick label string.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>val</CODE> - the value to convert.<DD><CODE>forceFmtFlag</CODE> - true to force the number-formatter object
 to be used.
<DT><B>Returns:</B><DD>The tick label string.</DL>
</DD>
</DL>
<HR>

<A NAME="makeTickLabel(double)"><!-- --></A><H3>
makeTickLabel</H3>
<PRE>
protected java.lang.String <B>makeTickLabel</B>(double&nbsp;val)</PRE>
<DL>
<DD>Converts the given value to a tick label string.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>val</CODE> - the value to convert.
<DT><B>Returns:</B><DD>The tick label string.</DL>
</DD>
</DL>
<HR>

<A NAME="translateValueToJava2D(double, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge)"><!-- --></A><H3>
translateValueToJava2D</H3>
<PRE>
public double <B>translateValueToJava2D</B>(double&nbsp;value,
                                     java.awt.geom.Rectangle2D&nbsp;plotArea,
                                     org.jfree.ui.RectangleEdge&nbsp;edge)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>Use valueToJava2D().</I>
<P>
<DD>Converts a data value to a coordinate in Java2D space, assuming that
 the axis runs along one edge of the specified plotArea.
 Note that it is possible for the coordinate to fall outside the
 plotArea.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/chart/axis/NumberAxis.html#translateValueToJava2D(double, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge)">translateValueToJava2D</A></CODE> in class <CODE><A HREF="../../../../org/jfree/chart/axis/NumberAxis.html" title="class in org.jfree.chart.axis">NumberAxis</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the data value.<DD><CODE>plotArea</CODE> - the area for plotting the data.<DD><CODE>edge</CODE> - the axis location.
<DT><B>Returns:</B><DD>the Java2D coordinate.</DL>
</DD>
</DL>
<HR>

<A NAME="translateJava2DToValue(double, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge)"><!-- --></A><H3>
translateJava2DToValue</H3>
<PRE>
public double <B>translateJava2DToValue</B>(double&nbsp;java2DValue,
                                     java.awt.geom.Rectangle2D&nbsp;plotArea,
                                     org.jfree.ui.RectangleEdge&nbsp;edge)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>Use java2DToValue().</I>
<P>
<DD>Converts a coordinate in Java2D space to the corresponding data
 value, assuming that the axis runs along one edge of the specified plotArea.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/chart/axis/NumberAxis.html#translateJava2DToValue(double, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge)">translateJava2DToValue</A></CODE> in class <CODE><A HREF