abstractcoverage.renderable.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructs a renderable image.</TD>
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<B>Method Summary</B></FONT></TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/RenderedImage.html" title="class or interface in java.awt.image">RenderedImage</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#createDefaultRendering()">createDefaultRendering</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a rendered image with a default width and height in pixels.</TD>
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<CODE>protected &nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/renderable/RenderContext.html" title="class or interface in java.awt.image.renderable">RenderContext</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#createRenderContext(java.awt.geom.Rectangle2D, java.awt.RenderingHints)">createRenderContext</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Rectangle2D.html" title="class or interface in java.awt.geom">Rectangle2D</A>&nbsp;gridBounds,
                    <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/RenderingHints.html" title="class or interface in java.awt">RenderingHints</A>&nbsp;hints)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Initialize a render context with an affine transform that maps the
 coverage envelope to the specified destination rectangle. </TD>
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<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/RenderedImage.html" title="class or interface in java.awt.image">RenderedImage</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#createRendering(java.awt.image.renderable.RenderContext)">createRendering</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/renderable/RenderContext.html" title="class or interface in java.awt.image.renderable">RenderContext</A>&nbsp;context)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a rendered image using a given render context. </TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/RenderedImage.html" title="class or interface in java.awt.image">RenderedImage</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#createScaledRendering(int, int, java.awt.RenderingHints)">createScaledRendering</A></B>(int&nbsp;width,
                      int&nbsp;height,
                      <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/RenderingHints.html" title="class or interface in java.awt">RenderingHints</A>&nbsp;hints)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a rendered image with width  and height
  in pixels. </TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#getElements(double, double, double, double, int, int, int, double[], double[])">getElements</A></B>(double&nbsp;startX,
            double&nbsp;startY,
            double&nbsp;deltaX,
            double&nbsp;deltaY,
            int&nbsp;countX,
            int&nbsp;countY,
            int&nbsp;element,
            double[]&nbsp;real,
            double[]&nbsp;imag)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns all values of a given element for a specified set of coordinates.
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#getElements(float, float, float, float, int, int, int, float[], float[])">getElements</A></B>(float&nbsp;startX,
            float&nbsp;startY,
            float&nbsp;deltaX,
            float&nbsp;deltaY,
            int&nbsp;countX,
            int&nbsp;countY,
            int&nbsp;element,
            float[]&nbsp;real,
            float[]&nbsp;imag)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns all values of a given element for a specified set of coordinates.
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<CODE>&nbsp;float</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#getHeight()">getHeight</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the height in coverage coordinate space.</TD>
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<CODE>&nbsp;float</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#getMinX()">getMinX</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the minimum <var>X</var> coordinate of the rendering-independent image
 data. </TD>
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<CODE>&nbsp;float</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#getMinY()">getMinY</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the minimum <var>Y</var> coordinate of the rendering-independent image
 data. </TD>
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<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#getNumElements()">getNumElements</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the number of elements per value at each position. </TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Vector.html" title="class or interface in java.util">Vector</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#getSources()">getSources</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns  to indicate that no source information is
 available.</TD>
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<CODE>&nbsp;float</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#getWidth()">getWidth</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the width in coverage coordinate space.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#isComplex()">isComplex</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns  since values are not complex.</TD>
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<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/AbstractCoverage.Renderable.html#isDynamic()">isDynamic</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns  if successive renderings with the same arguments
 may produce different results. </TD>
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&nbsp;<A NAME="methods_inherited_from_class_PropertySourceImpl"><!-- --></A>
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<TD><B>Methods inherited from class <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySourceImpl.html" title="class or interface in javax.media.jai">PropertySourceImpl</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySourceImpl.html#getProperties()" title="class or interface in javax.media.jai">getProperties</A>, <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySourceImpl.html#getProperty(java.lang.String)" title="class or interface in javax.media.jai">getProperty</A>, <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySourceImpl.html#getPropertyClass(java.lang.String)" title="class or interface in javax.media.jai">getPropertyClass</A>, <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySourceImpl.html#getPropertyNames()" title="class or interface in javax.media.jai">getPropertyNames</A>, <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySourceImpl.html#getPropertyNames(java.lang.String)" title="class or interface in javax.media.jai">getPropertyNames</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_Object"><!-- --></A>
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<TD><B>Methods inherited from class <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_RenderableImage"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from interface <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/renderable/RenderableImage.html" title="class or interface in java.awt.image.renderable">RenderableImage</A></B></TD>
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<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/renderable/RenderableImage.html#getProperty(java.lang.String)" title="class or interface in java.awt.image.renderable">getProperty</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/renderable/RenderableImage.html#getPropertyNames()" title="class or interface in java.awt.image.renderable">getPropertyNames</A></CODE></TD>
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<B>Field Detail</B></FONT></TD>
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<A NAME="xAxis"><!-- --></A><H3>
xAxis</H3>
<PRE>
protected final int <B>xAxis</B></PRE>
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<DD>Dimension to use for <var>x</var> axis.
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<A NAME="yAxis"><!-- --></A><H3>