geotoolsreadparams.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

&nbsp;<A NAME="fields_inherited_from_class_IIOParam"><!-- --></A>
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<TD><B>Fields inherited from class <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html" title="class or interface in javax.imageio">IIOParam</A></B></TD>
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<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#controller" title="class or interface in javax.imageio">controller</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#defaultController" title="class or interface in javax.imageio">defaultController</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#destinationOffset" title="class or interface in javax.imageio">destinationOffset</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#destinationType" title="class or interface in javax.imageio">destinationType</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#sourceBands" title="class or interface in javax.imageio">sourceBands</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#sourceRegion" title="class or interface in javax.imageio">sourceRegion</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#sourceXSubsampling" title="class or interface in javax.imageio">sourceXSubsampling</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#sourceYSubsampling" title="class or interface in javax.imageio">sourceYSubsampling</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#subsamplingXOffset" title="class or interface in javax.imageio">subsamplingXOffset</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#subsamplingYOffset" title="class or interface in javax.imageio">subsamplingYOffset</A></CODE></TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->

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<B>Constructor Summary</B></FONT></TD>
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<TD><CODE><B><A HREF="../../../../org/geotools/image/imageio/GeoToolsReadParams.html#GeoToolsReadParams()">GeoToolsReadParams</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Default contructor.</TD>
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<!-- ========== METHOD SUMMARY =========== -->

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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/Dimension.html" title="class or interface in java.awt">Dimension</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/image/imageio/GeoToolsReadParams.html#getPreferredTileSizes()">getPreferredTileSizes</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an array of <code>Dimension</code>s indicating the legal size
 ranges for tiles. </TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/image/imageio/GeoToolsReadParams.html#getTileHeight()">getTileHeight</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the width of each tile in an raster as it will be reader If
 tiling parameters have not been set, an
 <code>IllegalStateException</code> is thrown.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/image/imageio/GeoToolsReadParams.html#getTileWidth()">getTileWidth</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the width of each tile in an raster as it will be reader If
 tiling parameters have not been set, an
 <code>IllegalStateException</code> is thrown.</TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/image/imageio/GeoToolsReadParams.html#setTiling(int, int)">setTiling</A></B>(int&nbsp;tileWidth,
          int&nbsp;tileHeight)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Specifies that the image should be tiled. </TD>
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&nbsp;<A NAME="methods_inherited_from_class_ImageReadParam"><!-- --></A>
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<TD><B>Methods inherited from class <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html" title="class or interface in javax.imageio">ImageReadParam</A></B></TD>
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<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html#canSetSourceRenderSize()" title="class or interface in javax.imageio">canSetSourceRenderSize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html#getDestination()" title="class or interface in javax.imageio">getDestination</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html#getDestinationBands()" title="class or interface in javax.imageio">getDestinationBands</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html#getSourceMaxProgressivePass()" title="class or interface in javax.imageio">getSourceMaxProgressivePass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html#getSourceMinProgressivePass()" title="class or interface in javax.imageio">getSourceMinProgressivePass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html#getSourceNumProgressivePasses()" title="class or interface in javax.imageio">getSourceNumProgressivePasses</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html#getSourceRenderSize()" title="class or interface in javax.imageio">getSourceRenderSize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html#setDestination(java.awt.image.BufferedImage)" title="class or interface in javax.imageio">setDestination</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html#setDestinationBands(int[])" title="class or interface in javax.imageio">setDestinationBands</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html#setDestinationType(javax.imageio.ImageTypeSpecifier)" title="class or interface in javax.imageio">setDestinationType</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html#setSourceProgressivePasses(int, int)" title="class or interface in javax.imageio">setSourceProgressivePasses</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html#setSourceRenderSize(java.awt.Dimension)" title="class or interface in javax.imageio">setSourceRenderSize</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_IIOParam"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TD><B>Methods inherited from class <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html" title="class or interface in javax.imageio">IIOParam</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#activateController()" title="class or interface in javax.imageio">activateController</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#getController()" title="class or interface in javax.imageio">getController</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#getDefaultController()" title="class or interface in javax.imageio">getDefaultController</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#getDestinationOffset()" title="class or interface in javax.imageio">getDestinationOffset</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#getDestinationType()" title="class or interface in javax.imageio">getDestinationType</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#getSourceBands()" title="class or interface in javax.imageio">getSourceBands</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#getSourceRegion()" title="class or interface in javax.imageio">getSourceRegion</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#getSourceXSubsampling()" title="class or interface in javax.imageio">getSourceXSubsampling</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#getSourceYSubsampling()" title="class or interface in javax.imageio">getSourceYSubsampling</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#getSubsamplingXOffset()" title="class or interface in javax.imageio">getSubsamplingXOffset</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#getSubsamplingYOffset()" title="class or interface in javax.imageio">getSubsamplingYOffset</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#hasController()" title="class or interface in javax.imageio">hasController</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#setController(javax.imageio.IIOParamController)" title="class or interface in javax.imageio">setController</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#setDestinationOffset(java.awt.Point)" title="class or interface in javax.imageio">setDestinationOffset</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#setSourceBands(int[])" title="class or interface in javax.imageio">setSourceBands</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#setSourceRegion(java.awt.Rectangle)" title="class or interface in javax.imageio">setSourceRegion</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOParam.html#setSourceSubsampling(int, int, int, int)" title="class or interface in javax.imageio">setSourceSubsampling</A></CODE></TD>
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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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<!-- ============ FIELD DETAIL =========== -->

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<B>Field Detail</B></FONT></TD>
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<A NAME="adaptee"><!-- --></A><H3>
adaptee</H3>
<PRE>
protected <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html" title="class or interface in javax.imageio">ImageReadParam</A> <B>adaptee</B></PRE>
<DL>
<DD>The <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageReadParam.html" title="class or interface in javax.imageio"><CODE>ImageReadParam</CODE></A> we are adapting/exteding.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="preferredTileSizes"><!-- --></A><H3>
preferredTileSizes</H3>
<PRE>
protected <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/Dimension.html" title="class or interface in java.awt">Dimension</A>[] <B>preferredTileSizes</B></PRE>
<DL>
<DD>An array of preferred tile size range pairs. The default value is
 <code>null</code>, which indicates that there are no preferred sizes.
 If the value is non-<code>null</code>, it must have an even length of
 at least two.
 
 <p>
 Subclasses that do not support reading tiles may ignore this value.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/image/imageio/GeoToolsReadParams.html#getPreferredTileSizes()"><CODE>getPreferredTileSizes()</CODE></A></DL>
</DL>
<HR>

<A NAME="tileWidth"><!-- --></A><H3>
tileWidth</H3>
<PRE>
protected int <B>tileWidth</B></PRE>
<DL>
<DD>The width of each tile if tiling has been set, or 0 otherwise.
 
 <p>
 Subclasses that do not support tiling may ignore this value.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="tileHeight"><!-- --></A><H3>
tileHeight</H3>
<PRE>
protected int <B>tileHeight</B></PRE>
<DL>
<DD>The height of each tile if tiling has been set, or 0 otherwise. The
 initial value is <code>0</code>.
 
 <p>
 Subclasses that do not support tiling may ignore this value.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="tilingSet"><!-- --></A><H3>
tilingSet</H3>
<PRE>
protected boolean <B>tilingSet</B></PRE>
<DL>
<DD>A <code>boolean</code> that is <code>true</code> if tiling parameters
 have been specified.
 
 <p>
 Subclasses that do not support reading tiles may ignore this value.
<P>
<DL>
</DL>
</DL>