static/apidocs/org/apache/sis/coverage/grid/PixelTranslation.html - sis-site - Git at Google

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 <div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.sis.coverage.grid</a></div>
 <h2 title="Class PixelTranslation" class="title">Class PixelTranslation</h2>
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 <pre>public final class <span class="typeNameLabel">PixelTranslation</span>
 extends <a href="../../util/Static.html" title="class in org.apache.sis.util">Static</a>
 implements <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io" class="externalLink">Serializable</a></pre>
 <div class="block">The translation to apply for different values of <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true" title="class or interface in org.opengis.metadata.spatial" class="externalLink"><code>PixelOrientation</code></a> or <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true" title="class or interface in org.opengis.referencing.datum" class="externalLink"><code>PixelInCell</code></a>.
  The translation are returned by a call to one of the following static methods:

  <ul>
    <li><a href="#getPixelTranslation(org.opengis.metadata.spatial.PixelOrientation)"><code>getPixelTranslation(PixelOrientation)</code></a> for the two-dimensional case.</li>
    <li><a href="#getPixelTranslation(org.opengis.referencing.datum.PixelInCell)"><code>getPixelTranslation(PixelInCell)</code></a> for the <var>n</var>-dimensional case.</li>
  </ul>

  This class provides also a few <code>translate(…)</code> convenience methods,
  which apply the translation on a given <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/operation/MathTransform.html?is-external=true" title="class or interface in org.opengis.referencing.operation" class="externalLink"><code>MathTransform</code></a> instance.

  <div class="note"><b>Example:</b>
  if the following code snippet, <code>gridToCRS</code> is an <a href="https://docs.oracle.com/javase/8/docs/api/java/awt/geom/AffineTransform.html?is-external=true" title="class or interface in java.awt.geom" class="externalLink"><code>AffineTransform</code></a> from
  <cite>grid cell</cite> coordinates (typically pixel coordinates) to some arbitrary CRS coordinates.
  In this example, the transform maps pixels <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true#CENTER" title="class or interface in org.opengis.metadata.spatial" class="externalLink">center</a>,
  while the <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true#UPPER_LEFT" title="class or interface in org.opengis.metadata.spatial" class="externalLink">upper left</a> corner is desired.
  This code will switch the affine transform from the <cite>pixel center</cite> to
  <cite>upper left corner</cite> convention:

  <blockquote><pre><font color="green">final</font> AffineTransform  gridToCRS = ...;
 <font color="green">final</font> PixelOrientation current   = PixelOrientation.CENTER;
 <font color="green">final</font> PixelOrientation desired   = PixelOrientation.UPPER_LEFT;

 <i><font color="gray">// Switch the transform from 'current' to 'desired' convention.</font></i>
 <font color="green">final</font> PixelTranslation source = <b>getPixelTranslation</b>(current);
 <font color="green">final</font> PixelTranslation target = <b>getPixelTranslation</b>(desired);
 gridToCRS.<b>translate</b>(target.dx - source.dx,
                     target.dy - source.dy);</pre></blockquote>
  </div></div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>1.0</dd>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true" title="class or interface in org.opengis.referencing.datum" class="externalLink"><code>PixelInCell</code></a>,
 <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true" title="class or interface in org.opengis.metadata.spatial" class="externalLink"><code>PixelOrientation</code></a>,
 <a href="../../../../../serialized-form.html#org.apache.sis.coverage.grid.PixelTranslation">Serialized Form</a></dd>

 <p><font size="-1">Defined in the <code>sis-feature</code> module</font></p>
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 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Field</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>double</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#dx">dx</a></span></code></th>
 <td class="colLast">
 <div class="block">The translation among the <var>x</var> axis relative to pixel center.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>double</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#dy">dy</a></span></code></th>
 <td class="colLast">
 <div class="block">The translation among the <var>y</var> axis relative to pixel center.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true" title="class or interface in org.opengis.metadata.spatial" class="externalLink">PixelOrientation</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#orientation">orientation</a></span></code></th>
 <td class="colLast">
 <div class="block">The pixel orientation for this translation.</div>
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 <th class="colSecond" scope="col">Method</th>
 <th class="colLast" scope="col">Description</th>
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 <td class="colFirst"><code>static <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true" title="class or interface in org.opengis.metadata.spatial" class="externalLink">PixelOrientation</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPixelOrientation(org.opengis.referencing.datum.PixelInCell)">getPixelOrientation</a></span>&#8203;(<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true" title="class or interface in org.opengis.referencing.datum" class="externalLink">PixelInCell</a>&nbsp;anchor)</code></th>
 <td class="colLast">
 <div class="block">Returns the pixel orientation which is equivalent to the given <code>PixelInCell</code> code.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>static <a href="PixelTranslation.html" title="class in org.apache.sis.coverage.grid">PixelTranslation</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPixelTranslation(org.opengis.metadata.spatial.PixelOrientation)">getPixelTranslation</a></span>&#8203;(<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true" title="class or interface in org.opengis.metadata.spatial" class="externalLink">PixelOrientation</a>&nbsp;anchor)</code></th>
 <td class="colLast">
 <div class="block">Returns the specified position relative to the pixel center.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>static double</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPixelTranslation(org.opengis.referencing.datum.PixelInCell)">getPixelTranslation</a></span>&#8203;(<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true" title="class or interface in org.opengis.referencing.datum" class="externalLink">PixelInCell</a>&nbsp;anchor)</code></th>
 <td class="colLast">
 <div class="block">Returns the position relative to the cell center.</div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString()">toString</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Returns a string representation of this pixel translation.</div>
 </td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code>static <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/operation/MathTransform.html?is-external=true" title="class or interface in org.opengis.referencing.operation" class="externalLink">MathTransform</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#translate(org.opengis.referencing.operation.MathTransform,org.opengis.metadata.spatial.PixelOrientation,org.opengis.metadata.spatial.PixelOrientation,int,int)">translate</a></span>&#8203;(<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/operation/MathTransform.html?is-external=true" title="class or interface in org.opengis.referencing.operation" class="externalLink">MathTransform</a>&nbsp;gridToCRS,
          <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true" title="class or interface in org.opengis.metadata.spatial" class="externalLink">PixelOrientation</a>&nbsp;current,
          <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true" title="class or interface in org.opengis.metadata.spatial" class="externalLink">PixelOrientation</a>&nbsp;desired,
          int&nbsp;xDimension,
          int&nbsp;yDimension)</code></th>
 <td class="colLast">
 <div class="block">Converts a math transform from a "pixel orientation" convention to another "pixel orientation" convention.</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>static <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/operation/MathTransform.html?is-external=true" title="class or interface in org.opengis.referencing.operation" class="externalLink">MathTransform</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#translate(org.opengis.referencing.operation.MathTransform,org.opengis.referencing.datum.PixelInCell,org.opengis.referencing.datum.PixelInCell)">translate</a></span>&#8203;(<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/operation/MathTransform.html?is-external=true" title="class or interface in org.opengis.referencing.operation" class="externalLink">MathTransform</a>&nbsp;gridToCRS,
          <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true" title="class or interface in org.opengis.referencing.datum" class="externalLink">PixelInCell</a>&nbsp;current,
          <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true" title="class or interface in org.opengis.referencing.datum" class="externalLink">PixelInCell</a>&nbsp;desired)</code></th>
 <td class="colLast">
 <div class="block">Converts a math transform from a "pixel in cell" convention to another "pixel in cell" convention.</div>
 </td>
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 <h3>Field Detail</h3>
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 <h4>orientation</h4>
 <pre>public final&nbsp;<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true" title="class or interface in org.opengis.metadata.spatial" class="externalLink">PixelOrientation</a> orientation</pre>
 <div class="block">The pixel orientation for this translation.
  Most common values are <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true#UPPER_LEFT" title="class or interface in org.opengis.metadata.spatial" class="externalLink"><code>PixelOrientation.UPPER_LEFT</code></a> and <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true#CENTER" title="class or interface in org.opengis.metadata.spatial" class="externalLink"><code>PixelOrientation.CENTER</code></a>.</div>
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 <h4>dx</h4>
 <pre>public final&nbsp;double dx</pre>
 <div class="block">The translation among the <var>x</var> axis relative to pixel center.
  The value is typically −½, 0 or +½.</div>
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 <h4>dy</h4>
 <pre>public final&nbsp;double dy</pre>
 <div class="block">The translation among the <var>y</var> axis relative to pixel center.
  The value is typically −½, 0 or +½.</div>
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 <h4>getPixelOrientation</h4>
 <pre class="methodSignature">public static&nbsp;<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true" title="class or interface in org.opengis.metadata.spatial" class="externalLink">PixelOrientation</a>&nbsp;getPixelOrientation&#8203;(<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true" title="class or interface in org.opengis.referencing.datum" class="externalLink">PixelInCell</a>&nbsp;anchor)</pre>
 <div class="block">Returns the pixel orientation which is equivalent to the given <code>PixelInCell</code> code.
  This equivalence can be used for converting <var>n</var>-dimensional parameters to the
  more specific two-dimensional case. This method implements the following mapping:

  <table class="sis">
    <caption>Pixel orientation equivalences</caption>
    <tr><th>Pixel in cell</th><th>Pixel orientation</th></tr>
    <tr><td><a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true#CELL_CENTER" title="class or interface in org.opengis.referencing.datum" class="externalLink"><code>CELL_CENTER</code></a></td><td><a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true#CENTER" title="class or interface in org.opengis.metadata.spatial" class="externalLink"><code>CENTER</code></a></td></tr>
    <tr><td><a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true#CELL_CORNER" title="class or interface in org.opengis.referencing.datum" class="externalLink"><code>CELL_CORNER</code></a></td><td><a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true#UPPER_LEFT" title="class or interface in org.opengis.metadata.spatial" class="externalLink"><code>UPPER_LEFT</code></a></td></tr>
    <tr><td><code>null</code></td><td><code>null</code></td></tr>
  </table></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>anchor</code> - the <code>PixelInCell</code> code, or <code>null</code>.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the corresponding pixel orientation, or <code>null</code> if the argument was null.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink">IllegalArgumentException</a></code> - if the given <code>anchor</code> is not a known code list value.</dd>
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 <pre class="methodSignature">public static&nbsp;double&nbsp;getPixelTranslation&#8203;(<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true" title="class or interface in org.opengis.referencing.datum" class="externalLink">PixelInCell</a>&nbsp;anchor)</pre>
 <div class="block">Returns the position relative to the cell center.
  This method is typically used for <var>n</var>-dimensional grids, where the number of dimension is unknown.
  The translation is determined from the following table, with the same value applied to all dimensions:

  <table class="sis">
    <caption>Translations</caption>
    <tr><th>Pixel in cell</th><th>offset</th></tr>
    <tr><td><a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true#CELL_CENTER" title="class or interface in org.opengis.referencing.datum" class="externalLink"><code>CELL_CENTER</code></a></td><td><code> 0.0</code></td></tr>
    <tr><td><a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true#CELL_CORNER" title="class or interface in org.opengis.referencing.datum" class="externalLink"><code>CELL_CORNER</code></a></td><td><code>-0.5</code></td></tr>
  </table></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>anchor</code> - the "pixel in cell" value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the translation for the given "pixel in cell" value.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink">IllegalArgumentException</a></code> - if the given <code>anchor</code> is not a known code list value.</dd>
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 <pre class="methodSignature">public static&nbsp;<a href="PixelTranslation.html" title="class in org.apache.sis.coverage.grid">PixelTranslation</a>&nbsp;getPixelTranslation&#8203;(<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true" title="class or interface in org.opengis.metadata.spatial" class="externalLink">PixelOrientation</a>&nbsp;anchor)</pre>
 <div class="block">Returns the specified position relative to the pixel center.
  This method can be used for grid restricted to 2 dimensions.
  The translation vector is determined from the following table:

  <table class="sis">
    <caption>Translations</caption>
    <tr><th>Pixel orientation</th>                               <th> dx </th><th> dy </th></tr>
    <tr><td><a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true#CENTER" title="class or interface in org.opengis.metadata.spatial" class="externalLink"><code>CENTER</code></a></td>     <td><code> 0.0</code></td><td><code> 0.0</code></td></tr>
    <tr><td><a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true#UPPER_LEFT" title="class or interface in org.opengis.metadata.spatial" class="externalLink"><code>UPPER_LEFT</code></a></td> <td><code>-0.5</code></td><td><code>-0.5</code></td></tr>
    <tr><td><a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true#UPPER_RIGHT" title="class or interface in org.opengis.metadata.spatial" class="externalLink"><code>UPPER_RIGHT</code></a></td><td><code>+0.5</code></td><td><code>-0.5</code></td></tr>
    <tr><td><a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true#LOWER_LEFT" title="class or interface in org.opengis.metadata.spatial" class="externalLink"><code>LOWER_LEFT</code></a></td> <td><code>-0.5</code></td><td><code>+0.5</code></td></tr>
    <tr><td><a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true#LOWER_RIGHT" title="class or interface in org.opengis.metadata.spatial" class="externalLink"><code>LOWER_RIGHT</code></a></td><td><code>+0.5</code></td><td><code>+0.5</code></td></tr>
  </table></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>anchor</code> - the pixel orientation.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the position relative to the pixel center.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink">IllegalArgumentException</a></code> - if the given <code>anchor</code> is not a known code list value.</dd>
 </dl>
 </li>
 </ul>
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 <pre class="methodSignature">public static&nbsp;<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/operation/MathTransform.html?is-external=true" title="class or interface in org.opengis.referencing.operation" class="externalLink">MathTransform</a>&nbsp;translate&#8203;(<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/operation/MathTransform.html?is-external=true" title="class or interface in org.opengis.referencing.operation" class="externalLink">MathTransform</a>&nbsp;gridToCRS,
                                       <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true" title="class or interface in org.opengis.referencing.datum" class="externalLink">PixelInCell</a>&nbsp;current,
                                       <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true" title="class or interface in org.opengis.referencing.datum" class="externalLink">PixelInCell</a>&nbsp;desired)</pre>
 <div class="block">Converts a math transform from a "pixel in cell" convention to another "pixel in cell" convention.
  This method concatenates −½, 0 or +½ translations on <em>all</em> dimensions before the given transform.
  If the two given conventions are the same, then this method returns the given transform unchanged.

  <div class="note"><b>Example:</b>
  if a given <code>gridToCRS</code> transform was mapping the <em>cell corner</em> to "real world" coordinates, then a call to
  <code>translate(gridToCRS, <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true#CELL_CORNER" title="class or interface in org.opengis.referencing.datum" class="externalLink"><code>CELL_CORNER</code></a>, <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/datum/PixelInCell.html?is-external=true#CELL_CENTER" title="class or interface in org.opengis.referencing.datum" class="externalLink"><code>CELL_CENTER</code></a>)</code>
  will return a new transform performing the following steps: first convert grid coordinates from <var>cell center</var>
  convention (<code>desired</code>) to <var>cell corner</var> convention (<code>current</code>), then concatenate the given
  <code>gridToCRS</code> transform which was designed for the <em>cell corner</em> convention.
  The above-cited <var>cell center</var> → <var>cell corner</var> conversion is done by translating the grid coordinates
  by +½, because the grid coordinates (0,0) relative to cell center is (½,½) relative to cell corner.</div>

  If the given <code>gridToCRS</code> is null, then this method ignores all other arguments and returns <code>null</code>.
  Otherwise <code>current</code> and <code>desired</code> arguments must be non-null.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>gridToCRS</code> - a math transform from <cite>pixel</cite> coordinates to any CRS, or <code>null</code>.</dd>
 <dd><code>current</code> - the pixel orientation of the given <code>gridToCRS</code> transform.</dd>
 <dd><code>desired</code> - the pixel orientation of the desired transform.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the translation from <code>current</code> to <code>desired</code>, or <code>null</code> if <code>gridToCRS</code> was null.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink">IllegalArgumentException</a></code> - if <code>current</code> or <code>desired</code> is not a known code list value.</dd>
 </dl>
 </li>
 </ul>
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 <pre class="methodSignature">public static&nbsp;<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/operation/MathTransform.html?is-external=true" title="class or interface in org.opengis.referencing.operation" class="externalLink">MathTransform</a>&nbsp;translate&#8203;(<a href="http://www.geoapi.org/3.0/javadoc/org/opengis/referencing/operation/MathTransform.html?is-external=true" title="class or interface in org.opengis.referencing.operation" class="externalLink">MathTransform</a>&nbsp;gridToCRS,
                                       <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true" title="class or interface in org.opengis.metadata.spatial" class="externalLink">PixelOrientation</a>&nbsp;current,
                                       <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true" title="class or interface in org.opengis.metadata.spatial" class="externalLink">PixelOrientation</a>&nbsp;desired,
                                       int&nbsp;xDimension,
                                       int&nbsp;yDimension)</pre>
 <div class="block">Converts a math transform from a "pixel orientation" convention to another "pixel orientation" convention.
  This method concatenates −½, 0 or +½ translations on <em>two</em> dimensions before the given transform.
  The given transform can have any number of input and output dimensions, but only two of them will be converted.

  <div class="note"><b>Example:</b>
  if a given <code>gridToCRS</code> transform was mapping the upper-left corner to "real world" coordinates, then a call to
  <code>translate(gridToCRS, <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true#UPPER_LEFT" title="class or interface in org.opengis.metadata.spatial" class="externalLink"><code>UPPER_LEFT</code></a>, <a href="http://www.geoapi.org/3.0/javadoc/org/opengis/metadata/spatial/PixelOrientation.html?is-external=true#CENTER" title="class or interface in org.opengis.metadata.spatial" class="externalLink"><code>CENTER</code></a>, 0, 1)</code>
  will return a new transform translating grid coordinates by +0.5 before to apply the given <code>gridToCRS</code> transform.
  See example in above <a href="#translate(org.opengis.referencing.operation.MathTransform,org.opengis.referencing.datum.PixelInCell,org.opengis.referencing.datum.PixelInCell)"><code>translate</code></a> method for more details.</div>

  If the given <code>gridToCRS</code> is null, then this method ignores all other arguments and returns <code>null</code>.
  Otherwise <code>current</code> and <code>desired</code> arguments must be non-null.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>gridToCRS</code> - a math transform from <cite>pixel</cite> coordinates to any CRS, or <code>null</code>.</dd>
 <dd><code>current</code> - the pixel orientation of the given <code>gridToCRS</code> transform.</dd>
 <dd><code>desired</code> - the pixel orientation of the desired transform.</dd>
 <dd><code>xDimension</code> - the dimension of <var>x</var> coordinates (pixel columns). Often 0.</dd>
 <dd><code>yDimension</code> - the dimension of <var>y</var> coordinates (pixel rows). Often 1.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the translation from <code>current</code> to <code>desired</code>, or <code>null</code> if <code>gridToCRS</code> was null.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink">IllegalArgumentException</a></code> - if <code>current</code> or <code>desired</code> is not a known code list value.</dd>
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 <pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;toString()</pre>
 <div class="block">Returns a string representation of this pixel translation.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd>
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