org/apache/sis/referencing/operation/CoordinateOperationContext.html - sis-site - Git at Google

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 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.sis.referencing.operation</a></div>
 <h1 title="Class CoordinateOperationContext" class="title">Class CoordinateOperationContext</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>
 <div class="inheritance">CoordinateOperationContext</div>
 </div>
 <section class="class-description" id="class-description">
 <dl class="notes">
 <dt>All Implemented Interfaces:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">CoordinateOperationContext</span>
 <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>
 implements <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a></span></div>
 <div class="block">Optional information about the context in which a requested coordinate operation will be used.
  The context can provide information such as:

  <ul>
    <li>The geographic area where the transformation will be used.</li>
    <li>The desired accuracy. A coarser accuracy may allow SIS to choose a faster transformation method.</li>
  </ul>

  While optional, those information can help <a href="DefaultCoordinateOperationFactory.html" title="class in org.apache.sis.referencing.operation"><code>DefaultCoordinateOperationFactory</code></a>
  to choose the most suitable coordinate transformation between two CRS.

  <div class="note"><b>Example:</b>
  if a transformation from NAD27 to WGS84 is requested without providing context, then Apache SIS will return the
  transformation applicable to the widest North American surface. But if the user provides a context saying that
  he wants to transform coordinates in Texas, then Apache SIS may return another coordinate transformation with
  different <a href="../datum/BursaWolfParameters.html" title="class in org.apache.sis.referencing.datum">Bursa-Wolf parameters</a> more suitable
  to Texas, but not suitable to the rest of North-America.
  </div>

  <code>CoordinateOperationContext</code> is part of the API used by SIS for implementing the <cite>late binding</cite>
  model. See <a href="package-summary.html">package javadoc</a> for a note on early binding versus
  late binding implementations.</div>
 <dl class="notes">
 <dt>Since:</dt>
 <dd>0.7</dd>
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list">
 <li><a href="../../../../../serialized-form.html#org.apache.sis.referencing.operation.CoordinateOperationContext">Serialized Form</a></li>
 </ul>
 </dd>

 <p><font size="-1">Defined in the <code>sis-referencing</code> module</font></p>
 <dt>TODO:</dt>
 <dd>Should also take the country of a <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Locale.html" title="class or interface in java.util" class="external-link"><code>Locale</code></a>. The EPSG database contains ISO2 and ISO3
        identifiers that we can use.</dd>
 </dl>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">CoordinateOperationContext</a>()</code></div>
 <div class="col-last even-row-color">
 <div class="block">Creates a new context with no area of interest and the best accuracy available.</div>
 </div>
 <div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(org.opengis.metadata.extent.Extent,double)" class="member-name-link">CoordinateOperationContext</a><wbr>(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/metadata/extent/Extent.html" title="class or interface in org.opengis.metadata.extent" class="external-link">Extent</a>&nbsp;area,
  double&nbsp;accuracy)</code></div>
 <div class="col-last odd-row-color">
 <div class="block">Creates a new context with the given area of interest and desired accuracy.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="CoordinateOperationContext.html" title="class in org.apache.sis.referencing.operation">CoordinateOperationContext</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#fromBoundingBox(org.opengis.metadata.extent.GeographicBoundingBox)" class="member-name-link">fromBoundingBox</a><wbr>(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/metadata/extent/GeographicBoundingBox.html" title="class or interface in org.opengis.metadata.extent" class="external-link">GeographicBoundingBox</a>&nbsp;areaOfInterest)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
 <div class="block">Creates an operation context for the given area of interest, which may be null or
  <a href="../../metadata/iso/extent/DefaultGeographicBoundingBox.html#isEmpty()"><code>undefined</code></a>.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/metadata/extent/Extent.html" title="class or interface in org.opengis.metadata.extent" class="external-link">Extent</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getAreaOfInterest()" class="member-name-link">getAreaOfInterest</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns the spatiotemporal area of interest, or <code>null</code> if none.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getDesiredAccuracy()" class="member-name-link">getDesiredAccuracy</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns the desired accuracy in metres.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setAreaOfInterest(org.opengis.metadata.extent.Extent)" class="member-name-link">setAreaOfInterest</a><wbr>(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/metadata/extent/Extent.html" title="class or interface in org.opengis.metadata.extent" class="external-link">Extent</a>&nbsp;area)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Sets the spatiotemporal area of interest, or <code>null</code> if none.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setAreaOfInterest(org.opengis.metadata.extent.GeographicBoundingBox)" class="member-name-link">setAreaOfInterest</a><wbr>(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/metadata/extent/GeographicBoundingBox.html" title="class or interface in org.opengis.metadata.extent" class="external-link">GeographicBoundingBox</a>&nbsp;area)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Sets the geographic component of the area of interest, or <code>null</code> if none.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setDesiredAccuracy(double)" class="member-name-link">setDesiredAccuracy</a><wbr>(double&nbsp;accuracy)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Sets the desired accuracy in metres.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-Object">Methods inherited from class&nbsp;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;()">
 <h3>CoordinateOperationContext</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">CoordinateOperationContext</span>()</div>
 <div class="block">Creates a new context with no area of interest and the best accuracy available.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="&lt;init&gt;(org.opengis.metadata.extent.Extent,double)">
 <h3>CoordinateOperationContext</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">CoordinateOperationContext</span><wbr><span class="parameters">(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/metadata/extent/Extent.html" title="class or interface in org.opengis.metadata.extent" class="external-link">Extent</a>&nbsp;area,
  double&nbsp;accuracy)</span></div>
 <div class="block">Creates a new context with the given area of interest and desired accuracy.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>area</code> - the area of interest, or <code>null</code> if none.</dd>
 <dd><code>accuracy</code> - the desired accuracy in metres, or 0 for the best accuracy available.
  See <a href="#getDesiredAccuracy()"><code>getDesiredAccuracy()</code></a> for more details about what we mean by <cite>"best accuracy"</cite>.</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="fromBoundingBox(org.opengis.metadata.extent.GeographicBoundingBox)">
 <h3>fromBoundingBox</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="CoordinateOperationContext.html" title="class in org.apache.sis.referencing.operation">CoordinateOperationContext</a></span>&nbsp;<span class="element-name">fromBoundingBox</span><wbr><span class="parameters">(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/metadata/extent/GeographicBoundingBox.html" title="class or interface in org.opengis.metadata.extent" class="external-link">GeographicBoundingBox</a>&nbsp;areaOfInterest)</span></div>
 <div class="block">Creates an operation context for the given area of interest, which may be null or
  <a href="../../metadata/iso/extent/DefaultGeographicBoundingBox.html#isEmpty()"><code>undefined</code></a>.
  This is a convenience method for a frequently-used operation.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>areaOfInterest</code> - the area of interest, or <code>null</code> if none.</dd>
 <dt>Returns:</dt>
 <dd>the operation context, or <code>null</code> if the given bounding box was null, undefined
          or covers the whole world (in which case Apache SIS does not need that we specify a context).</dd>
 <dt>Since:</dt>
 <dd>1.0</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getAreaOfInterest()">
 <h3>getAreaOfInterest</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/metadata/extent/Extent.html" title="class or interface in org.opengis.metadata.extent" class="external-link">Extent</a></span>&nbsp;<span class="element-name">getAreaOfInterest</span>()</div>
 <div class="block">Returns the spatiotemporal area of interest, or <code>null</code> if none.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>the spatiotemporal area of interest, or <code>null</code> if none.</dd>
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list-long">
 <li><a href="../../metadata/iso/extent/Extents.html#getGeographicBoundingBox(org.opengis.metadata.extent.Extent)"><code>Extents.getGeographicBoundingBox(Extent)</code></a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="setAreaOfInterest(org.opengis.metadata.extent.Extent)">
 <h3>setAreaOfInterest</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setAreaOfInterest</span><wbr><span class="parameters">(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/metadata/extent/Extent.html" title="class or interface in org.opengis.metadata.extent" class="external-link">Extent</a>&nbsp;area)</span></div>
 <div class="block">Sets the spatiotemporal area of interest, or <code>null</code> if none.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>area</code> - the spatiotemporal area of interest, or <code>null</code> if none.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="setAreaOfInterest(org.opengis.metadata.extent.GeographicBoundingBox)">
 <h3>setAreaOfInterest</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setAreaOfInterest</span><wbr><span class="parameters">(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/metadata/extent/GeographicBoundingBox.html" title="class or interface in org.opengis.metadata.extent" class="external-link">GeographicBoundingBox</a>&nbsp;area)</span></div>
 <div class="block">Sets the geographic component of the area of interest, or <code>null</code> if none.
  This convenience method set the bounding box into the spatiotemporal <a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/metadata/extent/Extent.html" title="class or interface in org.opengis.metadata.extent" class="external-link"><code>Extent</code></a>.

  <p>The reverse operation can be done with <code><a href="../../metadata/iso/extent/Extents.html#getGeographicBoundingBox(org.opengis.metadata.extent.Extent)">Extents.getGeographicBoundingBox</a>(<a href="#getAreaOfInterest()">getAreaOfInterest()</a>)</code>.</p></div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>area</code> - the geographic area of interest, or <code>null</code> if none.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getDesiredAccuracy()">
 <h3>getDesiredAccuracy</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getDesiredAccuracy</span>()</div>
 <div class="block">Returns the desired accuracy in metres.
  A value of 0 means to search for the most accurate operation.

  <p>When searching for the most accurate operation, SIS considers only the operations specified by the authority.
  For example, the <cite>Molodensky</cite> method is a better datum shift approximation than <cite>Abridged Molodensky</cite>.
  But if all coordinate operations defined by the authority use the Abridged Molodensky method, then SIS will ignore
  the Molodensky one.</p></div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>the desired accuracy in metres.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="setDesiredAccuracy(double)">
 <h3>setDesiredAccuracy</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setDesiredAccuracy</span><wbr><span class="parameters">(double&nbsp;accuracy)</span></div>
 <div class="block">Sets the desired accuracy in metres.
  A value of 0 means to search for the most accurate operation.
  See <a href="#getDesiredAccuracy()"><code>getDesiredAccuracy()</code></a> for more details about what we mean by <cite>"most accurate"</cite>.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>accuracy</code> - the desired accuracy in metres.</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
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