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      <title>Class HeidenhainIncrementalAxisWordUtil | HiAPI-C# 2025 </title>
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      <meta name="description" content="The klartext I-prefixed incremental axis word — IX+20, IY-15, IZ+Q1, rotary IC+90: the same axis word as the absolute X+20, read as a distance from the last programmed position instead of a coordinate. Any word of a block may be incremental on its own (L X+60 IY-10 mixes both), which is exactly the per-word shape the shared  section models for the Siemens IC() wrapper. So the grab here writes the value under the plain axis key of the caller&#39;s section (Parsing.X for an L/C endpoint, Parsing.CC.X for a circle center, Parsing[&amp;ldquo;CYCL CALL&amp;rdquo;].X for a cycle-call position) and stamps &amp;ldquo;PositioningOverride&amp;rdquo;: { &amp;ldquo;X&amp;rdquo;: &amp;ldquo;Incremental&amp;rdquo; } on the block root; the conversion to absolute stays with the existing consumers —  for linear axes (the Heidenhain instance also walks the CC record),  for rotary axes, and  on the spot for the words it consumes ahead of the resolve — and no second incremental mechanism exists. The one klartext I word that is NOT a distance from the tool position, the CYCL DEF 7 datum shift, deliberately does not use this helper (see ).  The plain axis grab (NcSyntaxUtil.GrabTagValue) cannot see the X inside IX:  demands a word boundary, a digit or whitespace before the tag, and I is a word character. That guard is what keeps the plain grab from half-reading an incremental block (L X+60 IY-10 used to take X and drop the Y — a motion to the wrong place, not a missing one), so the incremental words are grabbed by their own two-letter tags (IX, IY, …) instead of relaxing the guard. The value grammar is the shared one (signed number, Q variable, bracket expression), and a glued run (LIX+20IY-15) parses like the absolute glued shape because the digit alternative of the prefix guard admits the second word.">
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        <article data-uid="Hi.NcParsers.ParsingSyntaxs.Heidenhain.HeidenhainIncrementalAxisWordUtil">



  <h1 id="Hi_NcParsers_ParsingSyntaxs_Heidenhain_HeidenhainIncrementalAxisWordUtil" data-uid="Hi.NcParsers.ParsingSyntaxs.Heidenhain.HeidenhainIncrementalAxisWordUtil" class="text-break">
Class HeidenhainIncrementalAxisWordUtil  
  </h1>

  <div class="facts text-secondary">
    <dl><dt>Namespace</dt><dd><a class="xref" href="Hi.html">Hi</a>.<a class="xref" href="Hi.NcParsers.html">NcParsers</a>.<a class="xref" href="Hi.NcParsers.ParsingSyntaxs.html">ParsingSyntaxs</a>.<a class="xref" href="Hi.NcParsers.ParsingSyntaxs.Heidenhain.html">Heidenhain</a></dd></dl>
  <dl><dt>Assembly</dt><dd>HiMech.dll</dd></dl>
  </div>

  <div class="markdown summary"><p>The klartext <b>I-prefixed incremental axis word</b> — <code>IX+20</code>,
<code>IY-15</code>, <code>IZ+Q1</code>, rotary <code>IC+90</code>: the same axis word
as the absolute <code>X+20</code>, read as a distance from the last
programmed position instead of a coordinate. Any word of a block may
be incremental on its own (<code>L X+60 IY-10</code> mixes both), which is
exactly the per-word shape the shared
<a class="xref" href="Hi.NcParsers.Keywords.PositioningOverride.html">PositioningOverride</a> section models for the
Siemens <code>IC()</code> wrapper. So the grab here writes the value under
the <b>plain</b> axis key of the caller's section (<code>Parsing.X</code>
for an <code>L</code>/<code>C</code> endpoint, <code>Parsing.CC.X</code> for a circle
center, <code>Parsing[&ldquo;CYCL CALL&rdquo;].X</code> for a cycle-call position) and
stamps <code>&ldquo;PositioningOverride&rdquo;: { &ldquo;X&rdquo;: &ldquo;Incremental&rdquo; }</code> on the
block root; the conversion to absolute stays with the existing
consumers — <a class="xref" href="Hi.NcParsers.LogicSyntaxs.IncrementalResolveSyntax.html">IncrementalResolveSyntax</a> for
linear axes (the Heidenhain instance also walks the <code>CC</code> record),
<a class="xref" href="Hi.NcParsers.LogicSyntaxs.McAbcSyntax.html">McAbcSyntax</a> for rotary axes, and
<a class="xref" href="Hi.NcParsers.LogicSyntaxs.Heidenhain.HeidenhainCannedCycleSyntax.html">HeidenhainCannedCycleSyntax</a> on
the spot for the words it consumes ahead of the resolve — and no
second incremental mechanism exists. The one klartext <code>I</code> word
that is NOT a distance from the tool position, the <code>CYCL DEF 7</code>
datum shift, deliberately does not use this helper (see
<a class="xref" href="Hi.NcParsers.ParsingSyntaxs.Heidenhain.CyclDefSyntaxs.HeidenhainDatumShiftSyntax.html">HeidenhainDatumShiftSyntax</a>).</p>
<p>
The plain axis grab (<code>NcSyntaxUtil.GrabTagValue</code>) cannot see the
<code>X</code> inside <code>IX</code>: <a class="xref" href="Hi.NcParsers.SoftNcUtil.html#Hi_NcParsers_SoftNcUtil_RegexFlagPrefix">RegexFlagPrefix</a>
demands a word boundary, a digit or whitespace before the tag, and
<code>I</code> is a word character. That guard is what keeps the plain grab
from half-reading an incremental block (<code>L X+60 IY-10</code> used to
take X and drop the Y — a motion to the wrong place, not a missing
one), so the incremental words are grabbed by their own two-letter
tags (<code>IX</code>, <code>IY</code>, …) instead of relaxing the guard.
The value grammar is the shared one (signed number, <code>Q</code>
variable, bracket expression), and a glued run (<code>LIX+20IY-15</code>)
parses like the absolute glued shape because the digit alternative of
the prefix guard admits the second word.
</p>
</div>
  <div class="markdown conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static class HeidenhainIncrementalAxisWordUtil</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">HeidenhainIncrementalAxisWordUtil</span></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>






  <h2 class="section" id="fields">Fields
</h2>



  <h3 id="Hi_NcParsers_ParsingSyntaxs_Heidenhain_HeidenhainIncrementalAxisWordUtil_Prefix" data-uid="Hi.NcParsers.ParsingSyntaxs.Heidenhain.HeidenhainIncrementalAxisWordUtil.Prefix">
  Prefix
  
  </h3>

  <div class="markdown level1 summary"><p>The klartext incremental prefix letter.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public const string Prefix = &quot;I&quot;</code></pre>
  </div>




  <h4 class="section">Field 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_NcParsers_ParsingSyntaxs_Heidenhain_HeidenhainIncrementalAxisWordUtil_GrabIncrementalAxisWords_" data-uid="Hi.NcParsers.ParsingSyntaxs.Heidenhain.HeidenhainIncrementalAxisWordUtil.GrabIncrementalAxisWords*"></a>

  <h3 id="Hi_NcParsers_ParsingSyntaxs_Heidenhain_HeidenhainIncrementalAxisWordUtil_GrabIncrementalAxisWords_System_Text_Json_Nodes_JsonObject_System_Text_Json_Nodes_JsonObject_System_Collections_Generic_IEnumerable_System_String__System_String__System_Collections_Generic_IEnumerable_System_String__" data-uid="Hi.NcParsers.ParsingSyntaxs.Heidenhain.HeidenhainIncrementalAxisWordUtil.GrabIncrementalAxisWords(System.Text.Json.Nodes.JsonObject,System.Text.Json.Nodes.JsonObject,System.Collections.Generic.IEnumerable{System.String},System.String@,System.Collections.Generic.IEnumerable{System.String})">
  GrabIncrementalAxisWords(JsonObject, JsonObject, IEnumerable&lt;string&gt;, ref string, IEnumerable&lt;string&gt;)
  
  </h3>

  <div class="markdown level1 summary"><p>Grabs every I-prefixed incremental word of <code class="paramref">axisTags</code>
from <code class="paramref">unparsedText</code>, writes each value under its
plain axis key of the object at <code class="paramref">sectionPath</code> below
<code class="paramref">parsing</code> (parsed via
<a class="xref" href="Hi.NcParsers.ParsingSyntaxs.FloatTagValueSyntax.html#Hi_NcParsers_ParsingSyntaxs_FloatTagValueSyntax_ToFloat_System_String_">ToFloat(string)</a>, like the absolute words)
and stamps an <a class="xref" href="Hi.NcParsers.Keywords.Positioning.html#Hi_NcParsers_Keywords_Positioning_Incremental">Incremental</a> entry per axis
into the block-root <a class="xref" href="Hi.NcParsers.Keywords.PositioningOverride.html">PositioningOverride</a>
section of <code class="paramref">block</code>. No words → nothing is written
(no empty override section appears).</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static void GrabIncrementalAxisWords(JsonObject block, JsonObject parsing, IEnumerable&lt;string&gt; sectionPath, ref string unparsedText, IEnumerable&lt;string&gt; axisTags)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>block</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.text.json.nodes.jsonobject">JsonObject</a></dt>
    <dd><p>Block-root JSON object (owner of the override section).</p>
</dd>
    <dt><code>parsing</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.text.json.nodes.jsonobject">JsonObject</a></dt>
    <dd><p>The block's <a class="xref" href="Hi.NcParsers.Keywords.IParsingDef.html#Hi_NcParsers_Keywords_IParsingDef_Parsing">Parsing</a> object.</p>
</dd>
    <dt><code>sectionPath</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1">IEnumerable</a>&lt;<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a>&gt;</dt>
    <dd><p>Path below <code class="paramref">parsing</code> that receives the axis values (empty = the Parsing root).</p>
</dd>
    <dt><code>unparsedText</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
    <dd><p>Block text; the grabbed words are removed.</p>
</dd>
    <dt><code>axisTags</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1">IEnumerable</a>&lt;<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a>&gt;</dt>
    <dd><p>Plain axis tags to look for behind the prefix (the caller's own tag list).</p>
</dd>
  </dl>













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