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

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 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.sis.referencing.operation.transform</a></div>
 <h1 title="Class MolodenskyTransform" class="title">Class MolodenskyTransform</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"><a href="../../../io/wkt/FormattableObject.html" title="class in org.apache.sis.io.wkt">FormattableObject</a>
 <div class="inheritance"><a href="AbstractMathTransform.html" title="class in org.apache.sis.referencing.operation.transform">AbstractMathTransform</a>
 <div class="inheritance"><a href="DatumShiftTransform.html" title="class in org.apache.sis.referencing.operation.transform">DatumShiftTransform</a>
 <div class="inheritance">MolodenskyTransform</div>
 </div>
 </div>
 </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>, <code><a href="../../../parameter/Parameterized.html" title="interface in org.apache.sis.parameter">Parameterized</a></code>, <code><a href="../../../util/LenientComparable.html" title="interface in org.apache.sis.util">LenientComparable</a></code>, <code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html" title="class or interface in org.opengis.referencing.operation" class="external-link">MathTransform</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">MolodenskyTransform</span>
 <span class="extends-implements">extends <a href="DatumShiftTransform.html" title="class in org.apache.sis.referencing.operation.transform">DatumShiftTransform</a></span></div>
 <div class="block">Two- or three-dimensional datum shift using the (potentially abridged) Molodensky transformation.
  The Molodensky transformation (EPSG:9604) and the abridged Molodensky transformation (EPSG:9605)
  transform geographic points from one geographic coordinate reference system to another (a datum shift).
  The Molodensky formulas are approximations of <cite>Geocentric translation (geographic domain)</cite>
  transformations (EPSG:1035 and 9603), but performed directly on geographic coordinates without
  Geographic/Geocentric conversions.

  <p><code>MolodenskyTransform</code>s works conceptually on three-dimensional coordinates, but the ellipsoidal height
  can be omitted resulting in two-dimensional coordinates. No dimension other than 2 or 3 are allowed.</p>
  <ul>
    <li>If the height is omitted from the input coordinates (<code>isSource3D</code> = <code>false</code>),
        then the <a href="AbstractMathTransform.html#getSourceDimensions()">source dimensions</a> is 2 and the height is
        assumed to be zero.</li>
    <li>If the height is omitted from the output coordinates (<code>isTarget3D</code> = <code>false</code>),
        then the <a href="AbstractMathTransform.html#getTargetDimensions()">target dimensions</a> is 2 and the computed
        height (typically non-zero even if the input height was zero) is lost.</li>
  </ul>

  The transform expect coordinate values if the following order:
  <ol>
    <li>longitudes (λ) relative to the prime meridian (usually Greenwich),</li>
    <li>latitudes (φ),</li>
    <li>optionally heights above the ellipsoid (h).</li>
  </ol>

  The units of measurements depend on how the <code>MathTransform</code> has been created:
  <ul>
    <li><code>MolodenskyTransform</code> instances created directly by the constructor work with angular values in radians.</li>
    <li>Transforms created by the <a href="#createGeodeticTransformation(org.opengis.referencing.operation.MathTransformFactory,org.opengis.referencing.datum.Ellipsoid,boolean,org.opengis.referencing.datum.Ellipsoid,boolean,double,double,double,boolean)"><code>createGeodeticTransformation(…)</code></a> static method
        work with angular values in degrees and heights in the same units than the <strong>source</strong> ellipsoid
        axes (usually metres).</li>
  </ul>

  <h2>Comparison of Molodensky and geocentric translation</h2>
  Compared to the <cite>"Geocentric translation (geographic domain)"</cite> method,
  the Molodensky method has errors usually within a few centimetres.
  The Abridged Molodensky method has more noticeable errors, of a few tenths of centimetres.

  <p>Another difference between Molodensky and geocentric translation methods is their behavior when crossing the
  anti-meridian. If a datum shift causes a longitude to cross the anti-meridian (e.g. 179.999° become 180.001°),
  the Molodensky method will keep 180.001° as-is while the geocentric translation method will wrap the longitude
  to -179.999°. Such wrap-around behavior may or may not be desired, depending on the applications.</p></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.transform.MolodenskyTransform">Serialized Form</a></li>
 </ul>
 </dd>

 <p><font size="-1">Defined in the <code>sis-referencing</code> module</font></p>
 </dl>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== NESTED CLASS SUMMARY ======== -->
 <li>
 <section class="nested-class-summary" id="nested-class-summary">
 <h2>Nested Class Summary</h2>
 <div class="inherited-list">
 <h2 id="nested-classes-inherited-from-class-org.apache.sis.referencing.operation.transform.AbstractMathTransform">Nested classes/interfaces inherited from class&nbsp;<a href="AbstractMathTransform.html" title="class in org.apache.sis.referencing.operation.transform">AbstractMathTransform</a></h2>
 <code><a href="AbstractMathTransform.Inverse.html" title="class in org.apache.sis.referencing.operation.transform">AbstractMathTransform.Inverse</a></code></div>
 </section>
 </li>
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="caption"><span>Fields</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Field</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>protected final double</code></div>
 <div class="col-second even-row-color"><code><a href="#eccentricitySquared" class="member-name-link">eccentricitySquared</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">The square of eccentricity of the source ellipsoid.</div>
 </div>
 <div class="col-first odd-row-color"><code>protected final double</code></div>
 <div class="col-second odd-row-color"><code><a href="#semiMajor" class="member-name-link">semiMajor</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Semi-major axis length (<var>a</var>) of the source ellipsoid.</div>
 </div>
 <div class="col-first even-row-color"><code>protected final double</code></div>
 <div class="col-second even-row-color"><code><a href="#tX" class="member-name-link">tX</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Shift along the geocentric X axis (toward prime meridian)
  in units of the semi-major axis of the source ellipsoid.</div>
 </div>
 <div class="col-first odd-row-color"><code>protected final double</code></div>
 <div class="col-second odd-row-color"><code><a href="#tY" class="member-name-link">tY</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Shift along the geocentric Y axis (toward 90°E)
  in units of the semi-major axis of the source ellipsoid.</div>
 </div>
 <div class="col-first even-row-color"><code>protected final double</code></div>
 <div class="col-second even-row-color"><code><a href="#tZ" class="member-name-link">tZ</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Shift along the geocentric Z axis (toward north pole)
  in units of the semi-major axis of the source ellipsoid.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ======== 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(org.opengis.referencing.datum.Ellipsoid,boolean,org.opengis.referencing.datum.Ellipsoid,boolean,double,double,double,boolean)" class="member-name-link">MolodenskyTransform</a><wbr>(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/datum/Ellipsoid.html" title="class or interface in org.opengis.referencing.datum" class="external-link">Ellipsoid</a>&nbsp;source,
  boolean&nbsp;isSource3D,
  <a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/datum/Ellipsoid.html" title="class or interface in org.opengis.referencing.datum" class="external-link">Ellipsoid</a>&nbsp;target,
  boolean&nbsp;isTarget3D,
  double&nbsp;tX,
  double&nbsp;tY,
  double&nbsp;tZ,
  boolean&nbsp;isAbridged)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Creates a Molodensky transform from the specified parameters.</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-tab2 method-summary-table-tab4"><code>protected int</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#computeHashCode()" class="member-name-link">computeHashCode</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Computes a hash value for this transform.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html" title="class or interface in org.opengis.referencing.operation" class="external-link">MathTransform</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createGeodeticTransformation(org.opengis.referencing.operation.MathTransformFactory,org.opengis.referencing.datum.Ellipsoid,boolean,org.opengis.referencing.datum.Ellipsoid,boolean,double,double,double,boolean)" class="member-name-link">createGeodeticTransformation</a><wbr>(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransformFactory.html" title="class or interface in org.opengis.referencing.operation" class="external-link">MathTransformFactory</a>&nbsp;factory,
  <a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/datum/Ellipsoid.html" title="class or interface in org.opengis.referencing.datum" class="external-link">Ellipsoid</a>&nbsp;source,
  boolean&nbsp;isSource3D,
  <a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/datum/Ellipsoid.html" title="class or interface in org.opengis.referencing.datum" class="external-link">Ellipsoid</a>&nbsp;target,
  boolean&nbsp;isTarget3D,
  double&nbsp;tX,
  double&nbsp;tY,
  double&nbsp;tZ,
  boolean&nbsp;isAbridged)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
 <div class="block">Creates a transformation between two from geographic CRS.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#equals(java.lang.Object,org.apache.sis.util.ComparisonMode)" class="member-name-link">equals</a><wbr>(<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>&nbsp;object,
  <a href="../../../util/ComparisonMode.html" title="enum class in org.apache.sis.util">ComparisonMode</a>&nbsp;mode)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Compares the specified object with this math transform for equality.</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/parameter/ParameterDescriptorGroup.html" title="class or interface in org.opengis.parameter" class="external-link">ParameterDescriptorGroup</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getParameterDescriptors()" class="member-name-link">getParameterDescriptors</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 a description of the internal parameters of this <code>MolodenskyTransform</code> transform.</div>
 </div>
 <div class="col-first even-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/parameter/ParameterValueGroup.html" title="class or interface in org.opengis.parameter" class="external-link">ParameterValueGroup</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getParameterValues()" class="member-name-link">getParameterValues</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 a copy of internal parameter values of this transform.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final int</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getSourceDimensions()" class="member-name-link">getSourceDimensions</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Gets the dimension of input points.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final int</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getTargetDimensions()" class="member-name-link">getTargetDimensions</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Gets the dimension of output points.</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/referencing/operation/MathTransform.html" title="class or interface in org.opengis.referencing.operation" class="external-link">MathTransform</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#inverse()" class="member-name-link">inverse</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 inverse of this Molodensky transform.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isIdentity()" class="member-name-link">isIdentity</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 <code>true</code> if this transform is the identity one.</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/referencing/operation/Matrix.html" title="class or interface in org.opengis.referencing.operation" class="external-link">Matrix</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#transform(double%5B%5D,int,double%5B%5D,int,boolean)" class="member-name-link">transform</a><wbr>(double[]&nbsp;srcPts,
  int&nbsp;srcOff,
  double[]&nbsp;dstPts,
  int&nbsp;dstOff,
  boolean&nbsp;derivate)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Transforms the (λ,φ) or (λ,φ,<var>h</var>) coordinates between two geographic CRS,
  and optionally returns the derivative at that location.</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="#transform(double%5B%5D,int,double%5B%5D,int,int)" class="member-name-link">transform</a><wbr>(double[]&nbsp;srcPts,
  int&nbsp;srcOff,
  double[]&nbsp;dstPts,
  int&nbsp;dstOff,
  int&nbsp;numPts)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Transforms the (λ,φ) or (λ,φ,<var>h</var>) coordinates between two geographic CRS.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-DatumShiftTransform">Methods inherited from class&nbsp;<a href="DatumShiftTransform.html" title="class in org.apache.sis.referencing.operation.transform">DatumShiftTransform</a></h3>
 <code><a href="DatumShiftTransform.html#getContextualParameters()">getContextualParameters</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-AbstractMathTransform">Methods inherited from class&nbsp;<a href="AbstractMathTransform.html" title="class in org.apache.sis.referencing.operation.transform">AbstractMathTransform</a></h3>
 <code><a href="AbstractMathTransform.html#derivative(org.opengis.geometry.DirectPosition)">derivative</a>, <a href="AbstractMathTransform.html#equals(java.lang.Object)">equals</a>, <a href="AbstractMathTransform.html#formatTo(org.apache.sis.io.wkt.Formatter)">formatTo</a>, <a href="AbstractMathTransform.html#getDomain(org.apache.sis.referencing.operation.transform.DomainDefinition)">getDomain</a>, <a href="AbstractMathTransform.html#hashCode()">hashCode</a>, <a href="AbstractMathTransform.html#transform(double%5B%5D,int,float%5B%5D,int,int)">transform</a>, <a href="AbstractMathTransform.html#transform(float%5B%5D,int,double%5B%5D,int,int)">transform</a>, <a href="AbstractMathTransform.html#transform(float%5B%5D,int,float%5B%5D,int,int)">transform</a>, <a href="AbstractMathTransform.html#transform(org.opengis.geometry.DirectPosition,org.opengis.geometry.DirectPosition)">transform</a>, <a href="AbstractMathTransform.html#tryConcatenate(boolean,org.opengis.referencing.operation.MathTransform,org.opengis.referencing.operation.MathTransformFactory)">tryConcatenate</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-FormattableObject">Methods inherited from class&nbsp;<a href="../../../io/wkt/FormattableObject.html" title="class in org.apache.sis.io.wkt">FormattableObject</a></h3>
 <code><a href="../../../io/wkt/FormattableObject.html#print()">print</a>, <a href="../../../io/wkt/FormattableObject.html#toString()">toString</a>, <a href="../../../io/wkt/FormattableObject.html#toString(org.apache.sis.io.wkt.Convention)">toString</a>, <a href="../../../io/wkt/FormattableObject.html#toWKT()">toWKT</a></code></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#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#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#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>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-MathTransform">Methods inherited from interface&nbsp;<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html" title="class or interface in org.opengis.referencing.operation" class="external-link">MathTransform</a></h3>
 <code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html#toWKT()" title="class or interface in org.opengis.referencing.operation" class="external-link">toWKT</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ============ FIELD DETAIL =========== -->
 <li>
 <section class="field-details" id="field-detail">
 <h2>Field Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="tX">
 <h3>tX</h3>
 <div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">tX</span></div>
 <div class="block">Shift along the geocentric X axis (toward prime meridian)
  in units of the semi-major axis of the source ellipsoid.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list">
 <li><a href="../../datum/BursaWolfParameters.html#tX"><code>BursaWolfParameters.tX</code></a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="tY">
 <h3>tY</h3>
 <div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">tY</span></div>
 <div class="block">Shift along the geocentric Y axis (toward 90°E)
  in units of the semi-major axis of the source ellipsoid.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list">
 <li><a href="../../datum/BursaWolfParameters.html#tY"><code>BursaWolfParameters.tY</code></a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="tZ">
 <h3>tZ</h3>
 <div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">tZ</span></div>
 <div class="block">Shift along the geocentric Z axis (toward north pole)
  in units of the semi-major axis of the source ellipsoid.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list">
 <li><a href="../../datum/BursaWolfParameters.html#tZ"><code>BursaWolfParameters.tZ</code></a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="semiMajor">
 <h3>semiMajor</h3>
 <div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">semiMajor</span></div>
 <div class="block">Semi-major axis length (<var>a</var>) of the source ellipsoid.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="eccentricitySquared">
 <h3>eccentricitySquared</h3>
 <div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">eccentricitySquared</span></div>
 <div class="block">The square of eccentricity of the source ellipsoid.
  This can be computed by ℯ² = (a²-b²)/a² where
  <var>a</var> is the <cite>semi-major</cite> axis length and
  <var>b</var> is the <cite>semi-minor</cite> axis length.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list-long">
 <li><a href="../../datum/DefaultEllipsoid.html#getEccentricitySquared()"><code>DefaultEllipsoid.getEccentricitySquared()</code></a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ========= 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;(org.opengis.referencing.datum.Ellipsoid,boolean,org.opengis.referencing.datum.Ellipsoid,boolean,double,double,double,boolean)">
 <h3>MolodenskyTransform</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">MolodenskyTransform</span><wbr><span class="parameters">(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/datum/Ellipsoid.html" title="class or interface in org.opengis.referencing.datum" class="external-link">Ellipsoid</a>&nbsp;source,
  boolean&nbsp;isSource3D,
  <a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/datum/Ellipsoid.html" title="class or interface in org.opengis.referencing.datum" class="external-link">Ellipsoid</a>&nbsp;target,
  boolean&nbsp;isTarget3D,
  double&nbsp;tX,
  double&nbsp;tY,
  double&nbsp;tZ,
  boolean&nbsp;isAbridged)</span></div>
 <div class="block">Creates a Molodensky transform from the specified parameters.
  This <code>MolodenskyTransform</code> class expects coordinate values in the following order and units:
  <ol>
    <li>longitudes in <strong>radians</strong> relative to the prime meridian (usually Greenwich),</li>
    <li>latitudes in <strong>radians</strong>,</li>
    <li>optionally heights above the ellipsoid, in same units than the source ellipsoid axes.</li>
  </ol>

  For converting geographic coordinates in degrees, <code>MolodenskyTransform</code> instances
  need to be concatenated with the following affine transforms:

  <ul>
    <li><cite>Normalization</cite> before <code>MolodenskyTransform</code>:<ul>
      <li>Conversion of (λ,φ) from degrees to radians.</li>
    </ul></li>
    <li><cite>Denormalization</cite> after <code>MolodenskyTransform</code>:<ul>
      <li>Conversion of (λ,φ) from radians to degrees.</li>
    </ul></li>
  </ul>

  After <code>MolodenskyTransform</code> construction,
  the full conversion chain including the above affine transforms can be created by
  <code><a href="DatumShiftTransform.html#getContextualParameters()">DatumShiftTransform.getContextualParameters()</a>.<a href="ContextualParameters.html#completeTransform(org.opengis.referencing.operation.MathTransformFactory,org.opengis.referencing.operation.MathTransform)">completeTransform</a>(factory, this)}</code>.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>source</code> - the source ellipsoid.</dd>
 <dd><code>isSource3D</code> - <code>true</code> if the source coordinates have a height.</dd>
 <dd><code>target</code> - the target ellipsoid.</dd>
 <dd><code>isTarget3D</code> - <code>true</code> if the target coordinates have a height.</dd>
 <dd><code>tX</code> - the geocentric <var>X</var> translation in same units than the source ellipsoid axes.</dd>
 <dd><code>tY</code> - the geocentric <var>Y</var> translation in same units than the source ellipsoid axes.</dd>
 <dd><code>tZ</code> - the geocentric <var>Z</var> translation in same units than the source ellipsoid axes.</dd>
 <dd><code>isAbridged</code> - <code>true</code> for the abridged formula, or <code>false</code> for the complete one.</dd>
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list-long">
 <li><a href="#createGeodeticTransformation(org.opengis.referencing.operation.MathTransformFactory,org.opengis.referencing.datum.Ellipsoid,boolean,org.opengis.referencing.datum.Ellipsoid,boolean,double,double,double,boolean)"><code>createGeodeticTransformation(MathTransformFactory, Ellipsoid, boolean, Ellipsoid, boolean, double, double, double, boolean)</code></a></li>
 </ul>
 </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="createGeodeticTransformation(org.opengis.referencing.operation.MathTransformFactory,org.opengis.referencing.datum.Ellipsoid,boolean,org.opengis.referencing.datum.Ellipsoid,boolean,double,double,double,boolean)">
 <h3>createGeodeticTransformation</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html" title="class or interface in org.opengis.referencing.operation" class="external-link">MathTransform</a></span>&nbsp;<span class="element-name">createGeodeticTransformation</span><wbr><span class="parameters">(<a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransformFactory.html" title="class or interface in org.opengis.referencing.operation" class="external-link">MathTransformFactory</a>&nbsp;factory,
  <a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/datum/Ellipsoid.html" title="class or interface in org.opengis.referencing.datum" class="external-link">Ellipsoid</a>&nbsp;source,
  boolean&nbsp;isSource3D,
  <a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/datum/Ellipsoid.html" title="class or interface in org.opengis.referencing.datum" class="external-link">Ellipsoid</a>&nbsp;target,
  boolean&nbsp;isTarget3D,
  double&nbsp;tX,
  double&nbsp;tY,
  double&nbsp;tZ,
  boolean&nbsp;isAbridged)</span>
                                                   throws <span class="exceptions"><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/util/FactoryException.html" title="class or interface in org.opengis.util" class="external-link">FactoryException</a></span></div>
 <div class="block">Creates a transformation between two from geographic CRS. This factory method combines the
  <code>MolodenskyTransform</code> instance with the steps needed for converting values between
  degrees to radians. The transform works with input and output coordinates in the following units:

  <ol>
    <li>longitudes in <strong>degrees</strong> relative to the prime meridian (usually Greenwich),</li>
    <li>latitudes in <strong>degrees</strong>,</li>
    <li>optionally heights above the ellipsoid, in same units than the source ellipsoids axes.</li>
  </ol></div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>factory</code> - the factory to use for creating the transform.</dd>
 <dd><code>source</code> - the source ellipsoid.</dd>
 <dd><code>isSource3D</code> - <code>true</code> if the source coordinates have a height.</dd>
 <dd><code>target</code> - the target ellipsoid.</dd>
 <dd><code>isTarget3D</code> - <code>true</code> if the target coordinates have a height.</dd>
 <dd><code>tX</code> - the geocentric <var>X</var> translation in same units than the source ellipsoid axes.</dd>
 <dd><code>tY</code> - the geocentric <var>Y</var> translation in same units than the source ellipsoid axes.</dd>
 <dd><code>tZ</code> - the geocentric <var>Z</var> translation in same units than the source ellipsoid axes.</dd>
 <dd><code>isAbridged</code> - <code>true</code> for the abridged formula, or <code>false</code> for the complete one.</dd>
 <dt>Returns:</dt>
 <dd>the transformation between geographic coordinates in degrees.</dd>
 <dt>Throws:</dt>
 <dd><code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/util/FactoryException.html" title="class or interface in org.opengis.util" class="external-link">FactoryException</a></code> - if an error occurred while creating a transform.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="isIdentity()">
 <h3>isIdentity</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isIdentity</span>()</div>
 <div class="block">Returns <code>true</code> if this transform is the identity one.
  Molodensky transform is considered identity (minus rounding errors) if:

  <ul>
    <li>the X,Y,Z shift are zero,</li>
    <li>difference between semi-major axis lengths (Δa) is zero,</li>
    <li>difference between flattening factors (Δf) is zero,</li>
    <li>the input and output dimension are the same.</li>
  </ul></div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html#isIdentity()" title="class or interface in org.opengis.referencing.operation" class="external-link">isIdentity</a></code>&nbsp;in interface&nbsp;<code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html" title="class or interface in org.opengis.referencing.operation" class="external-link">MathTransform</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="AbstractMathTransform.html#isIdentity()">isIdentity</a></code>&nbsp;in class&nbsp;<code><a href="AbstractMathTransform.html" title="class in org.apache.sis.referencing.operation.transform">AbstractMathTransform</a></code></dd>
 <dt>Returns:</dt>
 <dd><code>true</code> if this transform is the identity transform.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="transform(double[],int,double[],int,boolean)">
 <h3>transform</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/referencing/operation/Matrix.html" title="class or interface in org.opengis.referencing.operation" class="external-link">Matrix</a></span>&nbsp;<span class="element-name">transform</span><wbr><span class="parameters">(double[]&nbsp;srcPts,
  int&nbsp;srcOff,
  double[]&nbsp;dstPts,
  int&nbsp;dstOff,
  boolean&nbsp;derivate)</span>
                  throws <span class="exceptions"><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/TransformException.html" title="class or interface in org.opengis.referencing.operation" class="external-link">TransformException</a></span></div>
 <div class="block">Transforms the (λ,φ) or (λ,φ,<var>h</var>) coordinates between two geographic CRS,
  and optionally returns the derivative at that location.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="AbstractMathTransform.html#transform(double%5B%5D,int,double%5B%5D,int,boolean)">transform</a></code>&nbsp;in class&nbsp;<code><a href="AbstractMathTransform.html" title="class in org.apache.sis.referencing.operation.transform">AbstractMathTransform</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>srcPts</code> - the array containing the source coordinates (cannot be <code>null</code>).</dd>
 <dd><code>srcOff</code> - the offset to the point to be transformed in the source array.</dd>
 <dd><code>dstPts</code> - the array into which the transformed coordinates is returned. May be the same than <code>srcPts</code>.
                    May be <code>null</code> if only the derivative matrix is desired.</dd>
 <dd><code>dstOff</code> - the offset to the location of the transformed point that is stored in the destination array.</dd>
 <dd><code>derivate</code> - <code>true</code> for computing the derivative, or <code>false</code> if not needed.</dd>
 <dt>Returns:</dt>
 <dd>the matrix of the transform derivative at the given source position,
          or <code>null</code> if the <code>derivate</code> argument is <code>false</code>.</dd>
 <dt>Throws:</dt>
 <dd><code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/TransformException.html" title="class or interface in org.opengis.referencing.operation" class="external-link">TransformException</a></code> - if the point cannot be transformed or
          if a problem occurred while calculating the derivative.</dd>
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list-long">
 <li><a href="AbstractMathTransform.html#derivative(org.opengis.geometry.DirectPosition)"><code>AbstractMathTransform.derivative(DirectPosition)</code></a></li>
 <li><a href="AbstractMathTransform.html#transform(org.opengis.geometry.DirectPosition,org.opengis.geometry.DirectPosition)"><code>AbstractMathTransform.transform(DirectPosition, DirectPosition)</code></a></li>
 <li><a href="MathTransforms.html#derivativeAndTransform(org.opengis.referencing.operation.MathTransform,double%5B%5D,int,double%5B%5D,int)"><code>MathTransforms.derivativeAndTransform(MathTransform, double[], int, double[], int)</code></a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="transform(double[],int,double[],int,int)">
 <h3>transform</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">transform</span><wbr><span class="parameters">(double[]&nbsp;srcPts,
  int&nbsp;srcOff,
  double[]&nbsp;dstPts,
  int&nbsp;dstOff,
  int&nbsp;numPts)</span>
                throws <span class="exceptions"><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/TransformException.html" title="class or interface in org.opengis.referencing.operation" class="external-link">TransformException</a></span></div>
 <div class="block">Transforms the (λ,φ) or (λ,φ,<var>h</var>) coordinates between two geographic CRS.
  This method performs the same transformation than <a href="#transform(double%5B%5D,int,double%5B%5D,int,boolean)"><code>transform(double[], int, double[], int, boolean)</code></a>,
  but the formulas are repeated here for performance reasons.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html#transform(double%5B%5D,int,double%5B%5D,int,int)" title="class or interface in org.opengis.referencing.operation" class="external-link">transform</a></code>&nbsp;in interface&nbsp;<code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html" title="class or interface in org.opengis.referencing.operation" class="external-link">MathTransform</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="AbstractMathTransform.html#transform(double%5B%5D,int,double%5B%5D,int,int)">transform</a></code>&nbsp;in class&nbsp;<code><a href="AbstractMathTransform.html" title="class in org.apache.sis.referencing.operation.transform">AbstractMathTransform</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>srcPts</code> - the array containing the source point coordinates.</dd>
 <dd><code>srcOff</code> - the offset to the first point to be transformed in the source array.</dd>
 <dd><code>dstPts</code> - the array into which the transformed point coordinates are returned.
                  May be the same than <code>srcPts</code>.</dd>
 <dd><code>dstOff</code> - the offset to the location of the first transformed point that is stored in the destination array.</dd>
 <dd><code>numPts</code> - the number of point objects to be transformed.</dd>
 <dt>Throws:</dt>
 <dd><code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/TransformException.html" title="class or interface in org.opengis.referencing.operation" class="external-link">TransformException</a></code> - if a point cannot be transformed.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="inverse()">
 <h3>inverse</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/referencing/operation/MathTransform.html" title="class or interface in org.opengis.referencing.operation" class="external-link">MathTransform</a></span>&nbsp;<span class="element-name">inverse</span>()</div>
 <div class="block">Returns the inverse of this Molodensky transform. The source ellipsoid of the returned transform will
  be the target ellipsoid of this transform, and conversely.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html#inverse()" title="class or interface in org.opengis.referencing.operation" class="external-link">inverse</a></code>&nbsp;in interface&nbsp;<code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html" title="class or interface in org.opengis.referencing.operation" class="external-link">MathTransform</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="AbstractMathTransform.html#inverse()">inverse</a></code>&nbsp;in class&nbsp;<code><a href="AbstractMathTransform.html" title="class in org.apache.sis.referencing.operation.transform">AbstractMathTransform</a></code></dd>
 <dt>Returns:</dt>
 <dd>a Molodensky transform from the target ellipsoid to the source ellipsoid of this transform.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getParameterDescriptors()">
 <h3>getParameterDescriptors</h3>
 <div class="member-signature"><span class="annotations"><a href="../../../util/Debug.html" title="annotation interface in org.apache.sis.util">@Debug</a>
 </span><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/parameter/ParameterDescriptorGroup.html" title="class or interface in org.opengis.parameter" class="external-link">ParameterDescriptorGroup</a></span>&nbsp;<span class="element-name">getParameterDescriptors</span>()</div>
 <div class="block">Returns a description of the internal parameters of this <code>MolodenskyTransform</code> transform.
  The returned group contains parameter descriptors for the number of dimensions and the eccentricity.

  <div class="note"><b>Note:</b>
  this method is mostly for <a href="../../../io/wkt/Convention.html#INTERNAL">debugging purposes</a>
  since the isolation of non-linear parameters in this class is highly implementation dependent.
  Most GIS applications will instead be interested in the <a href="DatumShiftTransform.html#getContextualParameters()">contextual parameters</a>.</div></div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="../../../parameter/Parameterized.html#getParameterDescriptors()">getParameterDescriptors</a></code>&nbsp;in interface&nbsp;<code><a href="../../../parameter/Parameterized.html" title="interface in org.apache.sis.parameter">Parameterized</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="AbstractMathTransform.html#getParameterDescriptors()">getParameterDescriptors</a></code>&nbsp;in class&nbsp;<code><a href="AbstractMathTransform.html" title="class in org.apache.sis.referencing.operation.transform">AbstractMathTransform</a></code></dd>
 <dt>Returns:</dt>
 <dd>a description of the internal parameters.</dd>
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list-long">
 <li><a href="../DefaultOperationMethod.html#getParameters()"><code>DefaultOperationMethod.getParameters()</code></a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getParameterValues()">
 <h3>getParameterValues</h3>
 <div class="member-signature"><span class="annotations"><a href="../../../util/Debug.html" title="annotation interface in org.apache.sis.util">@Debug</a>
 </span><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/parameter/ParameterValueGroup.html" title="class or interface in org.opengis.parameter" class="external-link">ParameterValueGroup</a></span>&nbsp;<span class="element-name">getParameterValues</span>()</div>
 <div class="block">Returns a copy of internal parameter values of this transform.
  The returned group contains parameters for the source ellipsoid semi-axis lengths
  and the differences between source and target ellipsoid parameters.

  <div class="note"><b>Note:</b>
  this method is mostly for <a href="../../../io/wkt/Convention.html#INTERNAL">debugging purposes</a>
  since the isolation of non-linear parameters in this class is highly implementation dependent.
  Most GIS applications will instead be interested in the <a href="DatumShiftTransform.html#getContextualParameters()">contextual parameters</a>.</div></div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="../../../parameter/Parameterized.html#getParameterValues()">getParameterValues</a></code>&nbsp;in interface&nbsp;<code><a href="../../../parameter/Parameterized.html" title="interface in org.apache.sis.parameter">Parameterized</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="DatumShiftTransform.html#getParameterValues()">getParameterValues</a></code>&nbsp;in class&nbsp;<code><a href="DatumShiftTransform.html" title="class in org.apache.sis.referencing.operation.transform">DatumShiftTransform</a></code></dd>
 <dt>Returns:</dt>
 <dd>a copy of the internal parameter values for this transform.</dd>
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list-long">
 <li><a href="AbstractMathTransform.html#getContextualParameters()"><code>AbstractMathTransform.getContextualParameters()</code></a></li>
 <li><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/SingleOperation.html#getParameterValues()" title="class or interface in org.opengis.referencing.operation" class="external-link"><code>SingleOperation.getParameterValues()</code></a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getSourceDimensions()">
 <h3>getSourceDimensions</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">getSourceDimensions</span>()</div>
 <div class="block">Gets the dimension of input points.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html#getSourceDimensions()" title="class or interface in org.opengis.referencing.operation" class="external-link">getSourceDimensions</a></code>&nbsp;in interface&nbsp;<code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html" title="class or interface in org.opengis.referencing.operation" class="external-link">MathTransform</a></code></dd>
 <dt>Specified by:</dt>
 <dd><code><a href="AbstractMathTransform.html#getSourceDimensions()">getSourceDimensions</a></code>&nbsp;in class&nbsp;<code><a href="AbstractMathTransform.html" title="class in org.apache.sis.referencing.operation.transform">AbstractMathTransform</a></code></dd>
 <dt>Returns:</dt>
 <dd>the input dimension, which is 2 or 3.</dd>
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list-long">
 <li><a href="../DefaultOperationMethod.html#getSourceDimensions()"><code>DefaultOperationMethod.getSourceDimensions()</code></a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getTargetDimensions()">
 <h3>getTargetDimensions</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">getTargetDimensions</span>()</div>
 <div class="block">Gets the dimension of output points.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html#getTargetDimensions()" title="class or interface in org.opengis.referencing.operation" class="external-link">getTargetDimensions</a></code>&nbsp;in interface&nbsp;<code><a href="http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/referencing/operation/MathTransform.html" title="class or interface in org.opengis.referencing.operation" class="external-link">MathTransform</a></code></dd>
 <dt>Specified by:</dt>
 <dd><code><a href="AbstractMathTransform.html#getTargetDimensions()">getTargetDimensions</a></code>&nbsp;in class&nbsp;<code><a href="AbstractMathTransform.html" title="class in org.apache.sis.referencing.operation.transform">AbstractMathTransform</a></code></dd>
 <dt>Returns:</dt>
 <dd>the output dimension, which is 2 or 3.</dd>
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list-long">
 <li><a href="../DefaultOperationMethod.html#getTargetDimensions()"><code>DefaultOperationMethod.getTargetDimensions()</code></a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="computeHashCode()">
 <h3>computeHashCode</h3>
 <div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">computeHashCode</span>()</div>
 <div class="block">Computes a hash value for this transform. This method is invoked by <a href="AbstractMathTransform.html#hashCode()"><code>AbstractMathTransform.hashCode()</code></a> when first needed.</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="DatumShiftTransform.html#computeHashCode()">computeHashCode</a></code>&nbsp;in class&nbsp;<code><a href="DatumShiftTransform.html" title="class in org.apache.sis.referencing.operation.transform">DatumShiftTransform</a></code></dd>
 <dt>Returns:</dt>
 <dd>the hash code value. This value may change between different execution of the Apache SIS library.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="equals(java.lang.Object,org.apache.sis.util.ComparisonMode)">
 <h3>equals</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">equals</span><wbr><span class="parameters">(<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>&nbsp;object,
  <a href="../../../util/ComparisonMode.html" title="enum class in org.apache.sis.util">ComparisonMode</a>&nbsp;mode)</span></div>
 <div class="block">Compares the specified object with this math transform for equality.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="../../../util/LenientComparable.html#equals(java.lang.Object,org.apache.sis.util.ComparisonMode)">equals</a></code>&nbsp;in interface&nbsp;<code><a href="../../../util/LenientComparable.html" title="interface in org.apache.sis.util">LenientComparable</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="DatumShiftTransform.html#equals(java.lang.Object,org.apache.sis.util.ComparisonMode)">equals</a></code>&nbsp;in class&nbsp;<code><a href="DatumShiftTransform.html" title="class in org.apache.sis.referencing.operation.transform">DatumShiftTransform</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>object</code> - the object to compare with this transform.</dd>
 <dd><code>mode</code> - the strictness level of the comparison. Default to <a href="../../../util/ComparisonMode.html#STRICT"><code>STRICT</code></a>.</dd>
 <dt>Returns:</dt>
 <dd><code>true</code> if the given object is considered equals to this math transform.</dd>
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list-long">
 <li><a href="../../../util/Utilities.html#deepEquals(java.lang.Object,java.lang.Object,org.apache.sis.util.ComparisonMode)"><code>Utilities.deepEquals(Object, Object, ComparisonMode)</code></a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
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