HiNC-2025-win-desktop-Deploy/App/wwwroot/HiAPI-docsite/api/Hi.Mech.Topo.StackTransformer.html
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<article data-uid="Hi.Mech.Topo.StackTransformer">
<h1 id="Hi_Mech_Topo_StackTransformer" data-uid="Hi.Mech.Topo.StackTransformer" class="text-break">
Class StackTransformer
</h1>
<div class="facts text-secondary">
<dl><dt>Namespace</dt><dd><a class="xref" href="Hi.html">Hi</a>.<a class="xref" href="Hi.Mech.html">Mech</a>.<a class="xref" href="Hi.Mech.Topo.html">Topo</a></dd></dl>
<dl><dt>Assembly</dt><dd>HiMech.dll</dd></dl>
</div>
<div class="markdown summary"><p>Represents a transformer that maintains a stack of transformations.</p>
</div>
<div class="markdown conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public class StackTransformer : ITransformer, IMakeXmlSource, IDisposable</code></pre>
</div>
<dl class="typelist inheritance">
<dt>Inheritance</dt>
<dd>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
<div><span class="xref">StackTransformer</span></div>
</dd>
</dl>
<dl class="typelist implements">
<dt>Implements</dt>
<dd>
<div><a class="xref" href="Hi.Mech.Topo.ITransformer.html">ITransformer</a></div>
<div><a class="xref" href="Hi.Common.XmlUtils.IMakeXmlSource.html">IMakeXmlSource</a></div>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.idisposable">IDisposable</a></div>
</dd>
</dl>
<dl class="typelist inheritedMembers">
<dt>Inherited Members</dt>
<dd>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object)">object.Equals(object)</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object-system-object)">object.Equals(object, object)</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gethashcode">object.GetHashCode()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gettype">object.GetType()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone">object.MemberwiseClone()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.referenceequals">object.ReferenceEquals(object, object)</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.tostring">object.ToString()</a>
</div>
</dd></dl>
<dl class="typelist extensionMethods">
<dt>Extension Methods</dt>
<dd>
<div>
<a class="xref" href="Hi.Common.DuplicateUtil.html#Hi_Common_DuplicateUtil_TryDuplicate__1___0_System_Object___">DuplicateUtil.TryDuplicate&lt;TSelf&gt;(TSelf, params object[])</a>
</div>
<div>
<a class="xref" href="Hi.Common.InvokeUtil.html#Hi_Common_InvokeUtil_SelfInvoke__1___0_System_Action___0__">InvokeUtil.SelfInvoke&lt;TSrc&gt;(TSrc, Action&lt;TSrc&gt;)</a>
</div>
<div>
<a class="xref" href="Hi.Common.InvokeUtil.html#Hi_Common_InvokeUtil_SelfInvoke__2___0_System_Func___0___1__">InvokeUtil.SelfInvoke&lt;TSrc, TDst&gt;(TSrc, Func&lt;TSrc, TDst&gt;)</a>
</div>
<div>
<a class="xref" href="Hi.Coloring.ColorUtil.html#Hi_Coloring_ColorUtil_GetGloomyColor_System_Object_System_Double_System_Double_">ColorUtil.GetGloomyColor(object, double, double)</a>
</div>
<div>
<a class="xref" href="Hi.Common.NameUtil.html#Hi_Common_NameUtil_GetSelectionName_System_Object_">NameUtil.GetSelectionName(object)</a>
</div>
<div>
<a class="xref" href="Hi.Common.StringUtil.html#Hi_Common_StringUtil_GetPropertyStringIfToStringNotOverloaded_System_Object_System_Boolean_System_Boolean_">StringUtil.GetPropertyStringIfToStringNotOverloaded(object, bool, bool)</a>
</div>
<div>
<a class="xref" href="Hi.Parallels.LockUtil.html#Hi_Parallels_LockUtil_Lock_System_Object_">LockUtil.Lock(object)</a>
</div>
</dd></dl>
<h2 class="section" id="constructors">Constructors
</h2>
<a id="Hi_Mech_Topo_StackTransformer__ctor_" data-uid="Hi.Mech.Topo.StackTransformer.#ctor*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer__ctor" data-uid="Hi.Mech.Topo.StackTransformer.#ctor">
StackTransformer()
</h3>
<div class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="Hi.Mech.Topo.StackTransformer.html">StackTransformer</a> class.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public StackTransformer()</code></pre>
</div>
<a id="Hi_Mech_Topo_StackTransformer__ctor_" data-uid="Hi.Mech.Topo.StackTransformer.#ctor*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer__ctor_Hi_Mech_Topo_ITransformer___" data-uid="Hi.Mech.Topo.StackTransformer.#ctor(Hi.Mech.Topo.ITransformer[])">
StackTransformer(params ITransformer[])
</h3>
<div class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="Hi.Mech.Topo.StackTransformer.html">StackTransformer</a> class with the specified transformers.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public StackTransformer(params ITransformer[] transformers)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>transformers</code> <a class="xref" href="Hi.Mech.Topo.ITransformer.html">ITransformer</a>[]</dt>
<dd><p>A variable-length array of transformers to add to the stack.</p>
</dd>
</dl>
<a id="Hi_Mech_Topo_StackTransformer__ctor_" data-uid="Hi.Mech.Topo.StackTransformer.#ctor*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer__ctor_System_Xml_Linq_XElement_System_String_" data-uid="Hi.Mech.Topo.StackTransformer.#ctor(System.Xml.Linq.XElement,System.String)">
StackTransformer(XElement, string)
</h3>
<div class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="Hi.Mech.Topo.StackTransformer.html">StackTransformer</a> class from XML data.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public StackTransformer(XElement src, string baseDirectory)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>src</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.xml.linq.xelement">XElement</a></dt>
<dd><p>The XML element containing the transformer stack configuration.</p>
</dd>
<dt><code>baseDirectory</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd><p>The base directory for resolving relative paths.</p>
</dd>
</dl>
<h2 class="section" id="properties">Properties
</h2>
<a id="Hi_Mech_Topo_StackTransformer_Count_" data-uid="Hi.Mech.Topo.StackTransformer.Count*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer_Count" data-uid="Hi.Mech.Topo.StackTransformer.Count">
Count
</h3>
<div class="markdown level1 summary"><p>Gets the number of transformers in the stack.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public int Count { get; }</code></pre>
</div>
<h4 class="section">Property Value</h4>
<dl class="parameters">
<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
<dd></dd>
</dl>
<a id="Hi_Mech_Topo_StackTransformer_XName_" data-uid="Hi.Mech.Topo.StackTransformer.XName*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer_XName" data-uid="Hi.Mech.Topo.StackTransformer.XName">
XName
</h3>
<div class="markdown level1 summary"><p>Static name.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static string XName { get; }</code></pre>
</div>
<h4 class="section">Property Value</h4>
<dl class="parameters">
<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h2 class="section" id="methods">Methods
</h2>
<a id="Hi_Mech_Topo_StackTransformer_Clear_" data-uid="Hi.Mech.Topo.StackTransformer.Clear*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer_Clear" data-uid="Hi.Mech.Topo.StackTransformer.Clear">
Clear()
</h3>
<div class="markdown level1 summary"><p>Removes all transformers from the stack.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Clear()</code></pre>
</div>
<a id="Hi_Mech_Topo_StackTransformer_Clone_" data-uid="Hi.Mech.Topo.StackTransformer.Clone*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer_Clone" data-uid="Hi.Mech.Topo.StackTransformer.Clone">
Clone()
</h3>
<div class="markdown level1 summary"><p>Creates a deep copy of this transformer stack.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public ITransformer Clone()</code></pre>
</div>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><a class="xref" href="Hi.Mech.Topo.ITransformer.html">ITransformer</a></dt>
<dd><p>A new StackTransformer instance with cloned transformers.</p>
</dd>
</dl>
<h4 class="section" id="Hi_Mech_Topo_StackTransformer_Clone_remarks">Remarks</h4>
<div class="markdown level1 remarks"><p>The children <a class="xref" href="Hi.Mech.Topo.ITransformer.html">ITransformer</a> on stack are all cloned.</p>
</div>
<a id="Hi_Mech_Topo_StackTransformer_Dispose_" data-uid="Hi.Mech.Topo.StackTransformer.Dispose*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer_Dispose" data-uid="Hi.Mech.Topo.StackTransformer.Dispose">
Dispose()
</h3>
<div class="markdown level1 summary"><p>Releases all resources used by the StackTransformer.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Dispose()</code></pre>
</div>
<a id="Hi_Mech_Topo_StackTransformer_Dispose_" data-uid="Hi.Mech.Topo.StackTransformer.Dispose*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer_Dispose_System_Boolean_" data-uid="Hi.Mech.Topo.StackTransformer.Dispose(System.Boolean)">
Dispose(bool)
</h3>
<div class="markdown level1 summary"><p>Releases the unmanaged resources used by the StackTransformer and optionally releases the managed resources.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">protected virtual void Dispose(bool disposing)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>disposing</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></dt>
<dd><p>true to release both managed and unmanaged resources; false to release only unmanaged resources.</p>
</dd>
</dl>
<a id="Hi_Mech_Topo_StackTransformer_GetMat_" data-uid="Hi.Mech.Topo.StackTransformer.GetMat*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer_GetMat" data-uid="Hi.Mech.Topo.StackTransformer.GetMat">
GetMat()
</h3>
<div class="markdown level1 summary"><p>Gets the combined transformation matrix of all transformers in the stack.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Mat4d GetMat()</code></pre>
</div>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><a class="xref" href="Hi.Geom.Mat4d.html">Mat4d</a></dt>
<dd><p>The combined 4x4 transformation matrix.</p>
</dd>
</dl>
<h4 class="section" id="Hi_Mech_Topo_StackTransformer_GetMat_remarks">Remarks</h4>
<div class="markdown level1 remarks"><p>The transformations are applied in order from bottom to top of the stack.</p>
</div>
<a id="Hi_Mech_Topo_StackTransformer_GetMatInv_" data-uid="Hi.Mech.Topo.StackTransformer.GetMatInv*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer_GetMatInv" data-uid="Hi.Mech.Topo.StackTransformer.GetMatInv">
GetMatInv()
</h3>
<div class="markdown level1 summary"><p>Gets the inverse of the combined transformation matrix of all transformers in the stack.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Mat4d GetMatInv()</code></pre>
</div>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><a class="xref" href="Hi.Geom.Mat4d.html">Mat4d</a></dt>
<dd><p>The inverse of the combined 4x4 transformation matrix.</p>
</dd>
</dl>
<h4 class="section" id="Hi_Mech_Topo_StackTransformer_GetMatInv_remarks">Remarks</h4>
<div class="markdown level1 remarks"><p>The inverse transformations are applied in reverse order (top to bottom of the stack).
If forward mats is A<em>B</em>C<em>D, then the inv-mats: Dinv</em>Cinv<em>Binv</em>Ainv.</p>
</div>
<a id="Hi_Mech_Topo_StackTransformer_GetStack_" data-uid="Hi.Mech.Topo.StackTransformer.GetStack*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer_GetStack" data-uid="Hi.Mech.Topo.StackTransformer.GetStack">
GetStack()
</h3>
<div class="markdown level1 summary"><p>Get the copied transformer stack.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public List&lt;ITransformer&gt; GetStack()</code></pre>
</div>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.list-1">List</a>&lt;<a class="xref" href="Hi.Mech.Topo.ITransformer.html">ITransformer</a>&gt;</dt>
<dd><p>copied stack</p>
</dd>
</dl>
<a id="Hi_Mech_Topo_StackTransformer_MakeXmlSource_" data-uid="Hi.Mech.Topo.StackTransformer.MakeXmlSource*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer_MakeXmlSource_System_String_System_String_" data-uid="Hi.Mech.Topo.StackTransformer.MakeXmlSource(System.String,System.String)">
MakeXmlSource(string, string)
</h3>
<div class="markdown level1 summary"><p>Creates an XML representation of this transformer stack.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual XElement MakeXmlSource(string baseDirectory, string relFile)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>baseDirectory</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd><p>The base directory for resolving relative paths.</p>
</dd>
<dt><code>relFile</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd><p>The relative file path for XML serialization.</p>
</dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.xml.linq.xelement">XElement</a></dt>
<dd><p>An XML element containing the transformer stack configuration.</p>
</dd>
</dl>
<a id="Hi_Mech_Topo_StackTransformer_Peek_" data-uid="Hi.Mech.Topo.StackTransformer.Peek*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer_Peek" data-uid="Hi.Mech.Topo.StackTransformer.Peek">
Peek()
</h3>
<div class="markdown level1 summary"><p>Returns the transformer at the top of the stack without removing it.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public ITransformer Peek()</code></pre>
</div>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><a class="xref" href="Hi.Mech.Topo.ITransformer.html">ITransformer</a></dt>
<dd><p>The transformer at the top of the stack, or null if the stack is empty.</p>
</dd>
</dl>
<a id="Hi_Mech_Topo_StackTransformer_Pop_" data-uid="Hi.Mech.Topo.StackTransformer.Pop*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer_Pop" data-uid="Hi.Mech.Topo.StackTransformer.Pop">
Pop()
</h3>
<div class="markdown level1 summary"><p>Removes and returns the transformer at the top of the stack.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public ITransformer Pop()</code></pre>
</div>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><a class="xref" href="Hi.Mech.Topo.ITransformer.html">ITransformer</a></dt>
<dd><p>The transformer at the top of the stack, or null if the stack is empty.</p>
</dd>
</dl>
<a id="Hi_Mech_Topo_StackTransformer_Push_" data-uid="Hi.Mech.Topo.StackTransformer.Push*"></a>
<h3 id="Hi_Mech_Topo_StackTransformer_Push_Hi_Mech_Topo_ITransformer_" data-uid="Hi.Mech.Topo.StackTransformer.Push(Hi.Mech.Topo.ITransformer)">
Push(ITransformer)
</h3>
<div class="markdown level1 summary"><p>Pushes a transformer onto the stack.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Push(ITransformer transformer)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>transformer</code> <a class="xref" href="Hi.Mech.Topo.ITransformer.html">ITransformer</a></dt>
<dd><p>The transformer to push.</p>
</dd>
</dl>
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