abstractgridcoverage.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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<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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<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#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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<TD><B>Methods inherited from interface GridCoverage</B></TD>
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<TD><CODE>getGridGeometry, getOptimalDataBlockSizes</CODE></TD>
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<TD><B>Methods inherited from interface Coverage</B></TD>
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<TD><CODE>evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluateInverse, find, find, getCommonPointRule, getCoordinateReferenceSystem, getDimensionNames, getDomainElements, getDomainExtents, getEnvelope, getMetadataNames, getMetadataValue, getNumSampleDimensions, getRangeElements, getRangeType, getRenderableImage, getSampleDimension, list, select</CODE></TD>
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<A NAME="LOGGER"><!-- --></A><H3>
LOGGER</H3>
<PRE>
public static final <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/logging/Logger.html" title="class or interface in java.util.logging">Logger</A> <B>LOGGER</B></PRE>
<DL>
<DD>The logger for grid coverage operations.
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="AbstractGridCoverage(java.lang.CharSequence, org.opengis.referencing.crs.CoordinateReferenceSystem, javax.media.jai.PropertySource, java.util.Map)"><!-- --></A><H3>
AbstractGridCoverage</H3>
<PRE>
protected <B>AbstractGridCoverage</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/CharSequence.html" title="class or interface in java.lang">CharSequence</A>&nbsp;name,
                               CoordinateReferenceSystem&nbsp;crs,
                               <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySource.html" title="class or interface in javax.media.jai">PropertySource</A>&nbsp;source,
                               <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&nbsp;properties)</PRE>
<DL>
<DD>Constructs a grid coverage using the specified coordinate reference system. If the
 coordinate reference system is , then the subclasses must override
 <A HREF="../../../../org/geotools/coverage/AbstractCoverage.html#getDimension()"><CODE>AbstractCoverage.getDimension()</CODE></A>.
<P>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - The grid coverage name.<DD><CODE>crs</CODE> - The coordinate reference system. This specifies the coordinate
        system used when accessing a coverage or grid coverage with the
         methods.<DD><CODE>source</CODE> - The source for this coverage, or  if none.
        Source may be (but is not limited to) a <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"><CODE>PlanarImage</CODE></A> or an
        other  object.<DD><CODE>properties</CODE> - The set of properties for this coverage, or  if there is none.
        "Properties" in <cite>Java Advanced Imaging</cite> is what OpenGIS calls "Metadata".
        Keys are <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang"><CODE>String</CODE></A> objects (<A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/util/CaselessStringKey.html" title="class or interface in javax.media.jai.util"><CODE>CaselessStringKey</CODE></A> are accepted as well),
        while values may be any <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang"><CODE>Object</CODE></A>.</DL>
<HR>

<A NAME="AbstractGridCoverage(java.lang.CharSequence, org.opengis.referencing.crs.CoordinateReferenceSystem, org.opengis.coverage.grid.GridCoverage[], javax.media.jai.PropertySource, java.util.Map)"><!-- --></A><H3>
AbstractGridCoverage</H3>
<PRE>
protected <B>AbstractGridCoverage</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/CharSequence.html" title="class or interface in java.lang">CharSequence</A>&nbsp;name,
                               CoordinateReferenceSystem&nbsp;crs,
                               GridCoverage[]&nbsp;sources,
                               <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySource.html" title="class or interface in javax.media.jai">PropertySource</A>&nbsp;source,
                               <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&nbsp;properties)</PRE>
<DL>
<DD>Constructs a grid coverage with sources. Arguments are the same than for the
 <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#AbstractGridCoverage(java.lang.CharSequence, org.opengis.referencing.crs.CoordinateReferenceSystem, javax.media.jai.PropertySource, java.util.Map)">previous constructor</A>, with an additional  argument.
<P>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - The grid coverage name.<DD><CODE>crs</CODE> - The coordinate reference system.<DD><CODE>sources</CODE> - The <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getSources()">source data</A> for a grid coverage,
                   or  if none.<DD><CODE>source</CODE> - The source for properties for this coverage, or  if none.<DD><CODE>properties</CODE> - Set of additional properties for this coverage, or  if there
                   is none.</DL>
<HR>

<A NAME="AbstractGridCoverage(java.lang.CharSequence, org.opengis.coverage.grid.GridCoverage)"><!-- --></A><H3>
AbstractGridCoverage</H3>
<PRE>
protected <B>AbstractGridCoverage</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/CharSequence.html" title="class or interface in java.lang">CharSequence</A>&nbsp;name,
                               GridCoverage&nbsp;coverage)</PRE>
<DL>
<DD>Constructs a new coverage with the same parameters than the specified coverage.
<P>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - The name for this coverage, or  for the same than .<DD><CODE>coverage</CODE> - The source coverage.</DL>

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<A NAME="getSources()"><!-- --></A><H3>
getSources</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/List.html" title="class or interface in java.util">List</A> <B>getSources</B>()</PRE>
<DL>
<DD>Returns the source data for a grid coverage. If the  was produced from
 an underlying dataset, the returned list is an empty list. If the  was
 produced using <CODE>org.opengis.coverage.grid.GridCoverageProcessor</CODE>, then it should
 return the source grid coverage of the one used as input to .
 In general the  method is intended to return the original
  on which it depends. This is intended to allow applications
 to establish what s will be affected when others are updated,
 as well as to trace back to the "raw data".
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getSources</CODE> in interface <CODE>Coverage</CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/coverage/AbstractCoverage.html#getSources()">getSources</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>
</DL>
</DD>
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<A NAME="isDataEditable()"><!-- --></A><H3>
isDataEditable</H3>
<PRE>
public boolean <B>isDataEditable</B>()</PRE>
<DL>
<DD>Returns  if grid data can be edited. The default
 implementation returns .
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>isDataEditable</CODE> in interface <CODE>GridCoverage</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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<A NAME="getNumOverviews()"><!-- --></A><H3>
getNumOverviews</H3>
<PRE>
public int <B>getNumOverviews</B>()</PRE>
<DL>
<DD>Returns the number of predetermined overviews for the grid.
 The default implementation returns 0.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getNumOverviews</CODE> in interface <CODE>GridCoverage</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
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<A NAME="getOverviewGridGeometry(int)"><!-- --></A><H3>
getOverviewGridGeometry</H3>
<PRE>
public GridGeometry <B>getOverviewGridGeometry</B>(int&nbsp;index)
                                                               throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IndexOutOfBoundsException.html" title="class or interface in java.lang">IndexOutOfBoundsException</A></PRE>
<DL>
<DD>Returns the grid geometry for an overview. The default implementation always throws
 an exception, since the default <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getNumOverviews()">number of overviews</A> is 0.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getOverviewGridGeometry</CODE> in interface <CODE>GridCoverage</CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IndexOutOfBoundsException.html" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if the specified index is out of bounds.</DL>
</DD>
</DL>
<HR>

<A NAME="getOverview(int)"><!-- --></A><H3>
getOverview</H3>
<PRE>
public GridCoverage <B>getOverview</B>(int&nbsp;index)
                                                   throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IndexOutOfBoundsException.html" title="class or interface in java.lang">IndexOutOfBoundsException</A></PRE>
<DL>
<DD>Returns a pre-calculated overview for a grid coverage. The default implementation always
 throws an exception, since the default <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getNumOverviews()">number of overviews</A>
 is 0.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getOverview</CODE> in interface <CODE>GridCoverage</CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IndexOutOfBoundsException.html" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if the specified index is out of bounds.</DL>
</DD>
</DL>
<HR>

<A NAME="getGridPacking()"><!-- --></A><H3>
getGridPacking</H3>
<PRE>
public GridPacking <B>getGridPacking</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>Not yet implemented, and maybe will never be implemented.</I>
<P>
<DD>Returns information for the packing of grid coverage values.