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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

                  pixel. The full box size is &times;2+1.<DD><CODE>validityThreshold</CODE> - The minimal number of valid neighbors required in order to consider
                the average as valid.</DL>

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<A NAME="computeRect(javax.media.jai.PlanarImage[], java.awt.image.WritableRaster, java.awt.Rectangle)"><!-- --></A><H3>
computeRect</H3>
<PRE>
protected void <B>computeRect</B>(<A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PlanarImage.html" title="class or interface in javax.media.jai">PlanarImage</A>[]&nbsp;sources,
                           <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/WritableRaster.html" title="class or interface in java.awt.image">WritableRaster</A>&nbsp;dest,
                           <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/Rectangle.html" title="class or interface in java.awt">Rectangle</A>&nbsp;destRect)</PRE>
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<DD>Computes a rectangle of outputs.
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