transformedcoverage.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

</DD>
</DL>
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<A NAME="evaluate(org.opengis.spatialschema.geometry.DirectPosition)"><!-- --></A><H3>
evaluate</H3>
<PRE>
public final <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>evaluate</B>(DirectPosition&nbsp;coord)
                      throws CannotEvaluateException</PRE>
<DL>
<DD>Returns the value vector for a given point in the coverage.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>coord</CODE> - The coordinate point where to evaluate.
<DT><B>Throws:</B>
<DD><CODE>PointOutsideCoverageException</CODE> - if  is outside coverage.
<DD><CODE>CannotEvaluateException</CODE> - if the computation failed for some other reason.</DL>
</DD>
</DL>
<HR>

<A NAME="evaluate(org.opengis.spatialschema.geometry.DirectPosition, boolean[])"><!-- --></A><H3>
evaluate</H3>
<PRE>
public final boolean[] <B>evaluate</B>(DirectPosition&nbsp;coord,
                                boolean[]&nbsp;dest)
                         throws CannotEvaluateException</PRE>
<DL>
<DD>Returns a sequence of boolean values for a given point in the coverage.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>evaluate</CODE> in interface <CODE>Coverage</CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/geotools/coverage/AbstractCoverage.html#evaluate(org.opengis.spatialschema.geometry.DirectPosition, boolean[])">evaluate</A></CODE> in class <CODE><A HREF="../../../org/geotools/coverage/AbstractCoverage.html" title="class in org.geotools.coverage">AbstractCoverage</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>coord</CODE> - The coordinate point where to evaluate.<DD><CODE>dest</CODE> - An array in which to store values, or  to create a
            new array.
<DT><B>Returns:</B><DD>The  array, or a newly created array if 
         was null.
<DT><B>Throws:</B>
<DD><CODE>CannotEvaluateException</CODE> - if the values can't be computed at the specified coordinate.
             More specifically, <CODE>PointOutsideCoverageException</CODE> is
             thrown if the evaluation failed because the input point has
             invalid coordinates. This exception may also be throws if the
             coverage data type can't be converted to  by
             an identity or widening conversion. Subclasses may relax this
             constraint if appropriate.</DL>
</DD>
</DL>
<HR>

<A NAME="evaluate(org.opengis.spatialschema.geometry.DirectPosition, byte[])"><!-- --></A><H3>
evaluate</H3>
<PRE>
public final byte[] <B>evaluate</B>(DirectPosition&nbsp;coord,
                             byte[]&nbsp;dest)
                      throws CannotEvaluateException</PRE>
<DL>
<DD>Returns a sequence of byte values for a given point in the coverage.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>evaluate</CODE> in interface <CODE>Coverage</CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/geotools/coverage/AbstractCoverage.html#evaluate(org.opengis.spatialschema.geometry.DirectPosition, byte[])">evaluate</A></CODE> in class <CODE><A HREF="../../../org/geotools/coverage/AbstractCoverage.html" title="class in org.geotools.coverage">AbstractCoverage</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>coord</CODE> - The coordinate point where to evaluate.<DD><CODE>dest</CODE> - An array in which to store values, or  to create a
            new array.
<DT><B>Returns:</B><DD>The  array, or a newly created array if 
         was null.
<DT><B>Throws:</B>
<DD><CODE>CannotEvaluateException</CODE> - if the values can't be computed at the specified coordinate.
             More specifically, <CODE>PointOutsideCoverageException</CODE> is
             thrown if the evaluation failed because the input point has
             invalid coordinates. This exception may also be throws if the
             coverage data type can't be converted to  by an
             identity or widening conversion. Subclasses may relax this
             constraint if appropriate.</DL>
</DD>
</DL>
<HR>

<A NAME="evaluate(org.opengis.spatialschema.geometry.DirectPosition, int[])"><!-- --></A><H3>
evaluate</H3>
<PRE>
public final int[] <B>evaluate</B>(DirectPosition&nbsp;coord,
                            int[]&nbsp;dest)
                     throws CannotEvaluateException</PRE>
<DL>
<DD>Returns a sequence of integer values for a given point in the coverage.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>evaluate</CODE> in interface <CODE>Coverage</CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/geotools/coverage/AbstractCoverage.html#evaluate(org.opengis.spatialschema.geometry.DirectPosition, int[])">evaluate</A></CODE> in class <CODE><A HREF="../../../org/geotools/coverage/AbstractCoverage.html" title="class in org.geotools.coverage">AbstractCoverage</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>coord</CODE> - The coordinate point where to evaluate.<DD><CODE>dest</CODE> - An array in which to store values, or  to create a
            new array.
<DT><B>Returns:</B><DD>The  array, or a newly created array if 
         was null.
<DT><B>Throws:</B>
<DD><CODE>CannotEvaluateException</CODE> - if the values can't be computed at the specified coordinate.
             More specifically, <CODE>PointOutsideCoverageException</CODE> is
             thrown if the evaluation failed because the input point has
             invalid coordinates. This exception may also be throws if the
             coverage data type can't be converted to  by an
             identity or widening conversion. Subclasses may relax this
             constraint if appropriate.</DL>
</DD>
</DL>
<HR>

<A NAME="evaluate(org.opengis.spatialschema.geometry.DirectPosition, float[])"><!-- --></A><H3>
evaluate</H3>
<PRE>
public final float[] <B>evaluate</B>(DirectPosition&nbsp;coord,
                              float[]&nbsp;dest)
                       throws CannotEvaluateException</PRE>
<DL>
<DD>Returns a sequence of float values for a given point in the coverage.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>evaluate</CODE> in interface <CODE>Coverage</CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/geotools/coverage/AbstractCoverage.html#evaluate(org.opengis.spatialschema.geometry.DirectPosition, float[])">evaluate</A></CODE> in class <CODE><A HREF="../../../org/geotools/coverage/AbstractCoverage.html" title="class in org.geotools.coverage">AbstractCoverage</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>coord</CODE> - The coordinate point where to evaluate.<DD><CODE>dest</CODE> - An array in which to store values, or  to create a
            new array.
<DT><B>Returns:</B><DD>The  array, or a newly created array if 
         was null.
<DT><B>Throws:</B>
<DD><CODE>CannotEvaluateException</CODE> - if the values can't be computed at the specified coordinate.
             More specifically, <CODE>PointOutsideCoverageException</CODE> is
             thrown if the evaluation failed because the input point has
             invalid coordinates. This exception may also be throws if the
             coverage data type can't be converted to  by an
             identity or widening conversion. Subclasses may relax this
             constraint if appropriate.</DL>
</DD>
</DL>
<HR>

<A NAME="evaluate(org.opengis.spatialschema.geometry.DirectPosition, double[])"><!-- --></A><H3>
evaluate</H3>
<PRE>
public final double[] <B>evaluate</B>(DirectPosition&nbsp;coord,
                               double[]&nbsp;dest)
                        throws CannotEvaluateException</PRE>
<DL>
<DD>Returns a sequence of double values for a given point in the coverage.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>evaluate</CODE> in interface <CODE>Coverage</CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/geotools/coverage/AbstractCoverage.html#evaluate(org.opengis.spatialschema.geometry.DirectPosition, double[])">evaluate</A></CODE> in class <CODE><A HREF="../../../org/geotools/coverage/AbstractCoverage.html" title="class in org.geotools.coverage">AbstractCoverage</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>coord</CODE> - The coordinate point where to evaluate.<DD><CODE>dest</CODE> - An array in which to store values, or  to create a
            new array.
<DT><B>Returns:</B><DD>The  array, or a newly created array if 
         was null.
<DT><B>Throws:</B>
<DD><CODE>CannotEvaluateException</CODE> - if the values can't be computed at the specified coordinate.
             More specifically, <CODE>PointOutsideCoverageException</CODE> is
             thrown if the evaluation failed because the input point has
             invalid coordinates. This exception may also be throws if the
             coverage data type can't be converted to  by an
             identity or widening conversion. Subclasses may relax this
             constraint if appropriate.</DL>
</DD>
</DL>
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