generalgridgeometry.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

<TD COLSPAN=2><FONT SIZE="+2">
<B>Method Summary</B></FONT></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#equals(java.lang.Object)">equals</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;object)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compares the specified object with this grid geometry for equality.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;CoordinateReferenceSystem</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getCoordinateReferenceSystem()">getCoordinateReferenceSystem</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the "real world" coordinate reference system.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getDimension()">getDimension</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the number of dimensions.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;Envelope</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getEnvelope()">getEnvelope</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the bounding box of "real world" coordinates for this grid geometry. </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="../../../../org/geotools/geometry/GeneralEnvelope.html" title="class in org.geotools.geometry">GeneralEnvelope</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getEnvelope(org.opengis.coverage.grid.GridRange, org.opengis.referencing.operation.MathTransform, org.opengis.referencing.crs.CoordinateReferenceSystem, boolean)">getEnvelope</A></B>(GridRange&nbsp;gridRange,
            MathTransform&nbsp;gridToCRS,
            CoordinateReferenceSystem&nbsp;crs,
            boolean&nbsp;halfPix)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <CODE>GeneralEnvelope(GridRange, PixelInCell, MathTransform,
             CoordinateReferenceSystem)</CODE> instead.</I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;GridRange</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getGridRange()">getGridRange</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the valid coordinate range of a grid coverage. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;MathTransform</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getGridToCoordinateSystem()">getGridToCoordinateSystem</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Renamed as <A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getGridToCRS()"><CODE>getGridToCRS()</CODE></A>.</I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;MathTransform</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getGridToCRS()">getGridToCRS</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the transform from grid coordinates to real world earth coordinates.
 </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;MathTransform</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getGridToCRS(org.opengis.referencing.datum.PixelInCell)">getGridToCRS</A></B>(PixelInCell&nbsp;halfPixel)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the transform from grid coordinates to real world earth coordinates.
 </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;MathTransform</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getTransform(org.opengis.coverage.grid.GridRange, org.opengis.spatialschema.geometry.Envelope, boolean)">getTransform</A></B>(GridRange&nbsp;gridRange,
             Envelope&nbsp;userRange,
             boolean&nbsp;halfPix)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Replaced by <A HREF="../../../../org/geotools/referencing/operation/builder/GridToEnvelopeMapper.html" title="class in org.geotools.referencing.operation.builder"><CODE>GridToEnvelopeMapper</CODE></A>.</I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;MathTransform</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getTransform(org.opengis.coverage.grid.GridRange, org.opengis.spatialschema.geometry.Envelope, boolean[], boolean, boolean)">getTransform</A></B>(GridRange&nbsp;gridRange,
             Envelope&nbsp;userRange,
             boolean[]&nbsp;reverse,
             boolean&nbsp;swapXY,
             boolean&nbsp;halfPix)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Replaced by <A HREF="../../../../org/geotools/referencing/operation/builder/GridToEnvelopeMapper.html" title="class in org.geotools.referencing.operation.builder"><CODE>GridToEnvelopeMapper</CODE></A>.</I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#hashCode()">hashCode</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a hash value for this grid geometry. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#isDefined(int)">isDefined</A></B>(int&nbsp;bitmask)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns  if all the parameters specified by the argument are set.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;boolean[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#reverse(org.opengis.referencing.cs.CoordinateSystem)">reverse</A></B>(CoordinateSystem&nbsp;cs)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../org/geotools/referencing/cs/AbstractCS.html#swapAndScaleAxis(org.opengis.referencing.cs.CoordinateSystem, org.opengis.referencing.cs.CoordinateSystem)"><CODE>AbstractCS.swapAndScaleAxis(org.opengis.referencing.cs.CoordinateSystem, org.opengis.referencing.cs.CoordinateSystem)</CODE></A> instead.</I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#swapXY(org.opengis.referencing.cs.CoordinateSystem)">swapXY</A></B>(CoordinateSystem&nbsp;cs)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../org/geotools/referencing/cs/AbstractCS.html#swapAndScaleAxis(org.opengis.referencing.cs.CoordinateSystem, org.opengis.referencing.cs.CoordinateSystem)"><CODE>AbstractCS.swapAndScaleAxis(org.opengis.referencing.cs.CoordinateSystem, org.opengis.referencing.cs.CoordinateSystem)</CODE></A> instead
             or <CODE>org.geotools.referencing.operation.matrix.XMatrixTransform#getSwapXY</CODE>
             instead.</I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#toString()">toString</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a string repr閟entation of this grid geometry. </TD>
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&nbsp;<A NAME="methods_inherited_from_class_Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<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>
</TR>
<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#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#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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<!-- ============ FIELD DETAIL =========== -->

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<TD COLSPAN=1><FONT SIZE="+2">
<B>Field Detail</B></FONT></TD>
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</TABLE>

<A NAME="CRS"><!-- --></A><H3>
CRS</H3>
<PRE>
public static final int <B>CRS</B></PRE>
<DL>
<DD>A bitmask to specify the validity of the <A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getCoordinateReferenceSystem()">coordinate reference system</A>. This is given as an argument to the <A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#isDefined(int)"><CODE>isDefined(int)</CODE></A>
 method.
<P>
<DL>
<DT><B>Since:</B></DT>
  <DD>2.2</DD>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.geotools.coverage.grid.GeneralGridGeometry.CRS">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="ENVELOPE"><!-- --></A><H3>
ENVELOPE</H3>
<PRE>
public static final int <B>ENVELOPE</B></PRE>
<DL>
<DD>A bitmask to specify the validity of the <A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getEnvelope()">envelope</A>.
 This is given as an argument to the <A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#isDefined(int)"><CODE>isDefined(int)</CODE></A> method.
<P>
<DL>
<DT><B>Since:</B></DT>
  <DD>2.2</DD>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.geotools.coverage.grid.GeneralGridGeometry.ENVELOPE">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="GRID_RANGE"><!-- --></A><H3>
GRID_RANGE</H3>
<PRE>
public static final int <B>GRID_RANGE</B></PRE>
<DL>
<DD>A bitmask to specify the validity of the <A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getGridRange()">grid range</A>.
 This is given as an argument to the <A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#isDefined(int)"><CODE>isDefined(int)</CODE></A> method.
<P>
<DL>
<DT><B>Since:</B></DT>
  <DD>2.2</DD>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.geotools.coverage.grid.GeneralGridGeometry.GRID_RANGE">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="GRID_TO_CRS"><!-- --></A><H3>
GRID_TO_CRS</H3>
<PRE>
public static final int <B>GRID_TO_CRS</B></PRE>
<DL>
<DD>A bitmask to specify the validity of the <A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#getGridToCoordinateSystem()">grid to CRS</A>
 transform. This is given as an argument to the <A HREF="../../../../org/geotools/coverage/grid/GeneralGridGeometry.html#isDefined(int)"><CODE>isDefined(int)</CODE></A> method.
<P>
<DL>
<DT><B>Since:</B></DT>
  <DD>2.2</DD>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.geotools.coverage.grid.GeneralGridGeometry.GRID_TO_CRS">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="gridRange"><!-- --></A><H3>
gridRange</H3>
<PRE>
protected final GridRange <B>gridRange</B></PRE>
<DL>
<DD>The valid coordinate range of a grid coverage, or  if none. The lowest valid
 grid coordinate is zero for <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/BufferedImage.html" title="class or interface in java.awt.image"><CODE>BufferedImage</CODE></A>, but may be non-zero for arbitrary
 <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/RenderedImage.html" title="class or interface in java.awt.image"><CODE>RenderedImage</CODE></A>. A grid with 512 cells can have a minimum coordinate of 0 and
 maximum of 512, with 511 as the highest valid index.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/RenderedImage.html#getMinX()" title="class or interface in java.awt.image"><CODE>RenderedImage.getMinX()</CODE></A>, 
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/RenderedImage.html#getMinY()" title="class or interface in java.awt.image"><CODE>RenderedImage.getMinY()</CODE></A>, 
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/RenderedImage.html#getWidth()" title="class or interface in java.awt.image"><CODE>RenderedImage.getWidth()</CODE></A>, 
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/RenderedImage.html#getHeight()" title="class or interface in java.awt.image"><CODE>RenderedImage.getHeight()</CODE></A></DL>
</DL>
<HR>

<A NAME="gridToCRS"><!-- --></A><H3>
gridToCRS</H3>
<PRE>
protected final MathTransform <B>gridToCRS</B></PRE>
<DL>
<DD>The math transform (usually an affine transform), or  if none.
 This math transform maps pixel center
 to "real world" coordinate using the following line:

 <pre>gridToCRS.transform(pixels, point);</pre>
<P>
<DL>
</DL>
</DL>

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