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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="title" content="Class HeidenhainCcSyntax | HiAPI-C# 2025 ">
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<meta name="description" content="Heidenhain circle-center statement (CC X+12.7 Y+12.7). The coordinates land in the nested Parsing.CC record — deliberately not on the Parsing root, where would mistake the center for a motion endpoint. The Logic-stage turns the record into the modal circle-center section consumed by the arc syntax. Must run before in the bundle (the \b guard keeps a C statement from matching CC and vice versa, but CC-first is the safe order).">
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<meta name="description" content="Heidenhain circle-center statement (CC X+12.7 Y+12.7). The coordinates land in the nested Parsing.CC record — deliberately not on the Parsing root, where would mistake the center for a motion endpoint. The Logic-stage turns the record into the modal circle-center section consumed by the arc syntax. Must run before in the bundle (the \b guard keeps a C statement from matching CC and vice versa, but CC-first is the safe order). An incremental center (CC IX+0 IY+11) is a distance from the last programmed tool position, not from the previous center: the words land in the same nested record with the block-root PositioningOverride stamp (see ), and the Heidenhain instance walks the CC record so the center is absolute by the time the circle-center syntax freezes it.">
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<link rel="icon" href="../img/HiAPI.favicon.ico">
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<link rel="stylesheet" href="../public/docfx.min.css">
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<link rel="stylesheet" href="../public/main.css">
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@@ -106,6 +106,16 @@ turns the record into the modal circle-center section consumed by the
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arc syntax. Must run before <a class="xref" href="Hi.NcParsers.ParsingSyntaxs.Heidenhain.HeidenhainCSyntax.html">HeidenhainCSyntax</a> in the
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bundle (the <code>\b</code> guard keeps a <code>C</code> statement from matching
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<code>CC</code> and vice versa, but CC-first is the safe order).</p>
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<p>
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An incremental center (<code>CC IX+0 IY+11</code>) is a distance from the
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last programmed <b>tool</b> position, not from the previous center:
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the words land in the same nested record with the block-root
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<code>PositioningOverride</code> stamp (see
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<a class="xref" href="Hi.NcParsers.ParsingSyntaxs.Heidenhain.HeidenhainIncrementalAxisWordUtil.html">HeidenhainIncrementalAxisWordUtil</a>), and the Heidenhain
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<a class="xref" href="Hi.NcParsers.LogicSyntaxs.IncrementalResolveSyntax.html">IncrementalResolveSyntax</a> instance walks
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the <code>CC</code> record so the center is absolute by the time the
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circle-center syntax freezes it.
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</p>
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</div>
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<div class="markdown conceptual"></div>
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@@ -191,6 +201,14 @@ bundle (the <code>\b</code> guard keeps a <code>C</code> statement from matching
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<p>#BeforeBuild.UnparsedText: <code>CC X+12.7 Y+12.7</code>
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#AfterBuild:</p>
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<pre><code class="lang-csharp">{ "Parsing": { "CC": { "X": 12.7, "Y": 12.7 } } }</code></pre>
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<p>Incremental center — same record, plus the per-axis stamp; the block
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is not bare (it stated coordinates, they are just relative):
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#BeforeBuild.UnparsedText: <code>CC IX+0 IY+11</code>
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#AfterBuild:</p>
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<pre><code class="lang-csharp">{
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"Parsing": { "CC": { "X": 0, "Y": 11 } },
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"PositioningOverride": { "X": "Incremental", "Y": "Incremental" }
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}</code></pre>
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@@ -264,6 +282,81 @@ bundle (the <code>\b</code> guard keeps a <code>C</code> statement from matching
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<h3 id="Hi_NcParsers_ParsingSyntaxs_Heidenhain_HeidenhainCcSyntax_BareKey" data-uid="Hi.NcParsers.ParsingSyntaxs.Heidenhain.HeidenhainCcSyntax.BareKey">
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BareKey
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</h3>
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<div class="markdown level1 summary"><p>Marker key written into the record when the <code>CC</code> block states no
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coordinates at all AND left nothing unread — the official klartext
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spelling for “use the last programmed position as the circle center”.
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Consumed by
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<a class="xref" href="Hi.NcParsers.LogicSyntaxs.Heidenhain.HeidenhainCircleCenterSyntax.html">HeidenhainCircleCenterSyntax</a>,
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which resolves the position at THIS block.</p>
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<p>
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The residue condition is load-bearing: a <code>CC</code> whose coordinates
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this parser cannot read (a malformed word, a spelling no grab here
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knows) also grabs nothing, and marking it bare would fabricate a
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center at the current position instead of leaving the arc to report
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that it has none. The incremental <code>CC IX+.. IY+..</code> used to be
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that case; it is a stated center now.
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</p>
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</div>
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<div class="markdown level1 conceptual"></div>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public const string BareKey = "Bare"</code></pre>
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</div>
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<h4 class="section">Field Value</h4>
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<dl class="parameters">
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<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
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<dd></dd>
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</dl>
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<h3 id="Hi_NcParsers_ParsingSyntaxs_Heidenhain_HeidenhainCcSyntax_CenterTags" data-uid="Hi.NcParsers.ParsingSyntaxs.Heidenhain.HeidenhainCcSyntax.CenterTags">
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CenterTags
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</h3>
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<div class="markdown level1 summary"><p>The axis words a centre can state (the incremental grab is limited to these).</p>
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</div>
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<div class="markdown level1 conceptual"></div>
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<div class="codewrapper">
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<pre><code class="lang-csharp hljs">public static readonly string[] CenterTags</code></pre>
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</div>
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<h4 class="section">Field Value</h4>
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<dl class="parameters">
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<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a>[]</dt>
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<dd></dd>
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</dl>
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<h3 id="Hi_NcParsers_ParsingSyntaxs_Heidenhain_HeidenhainCcSyntax_KeyConst" data-uid="Hi.NcParsers.ParsingSyntaxs.Heidenhain.HeidenhainCcSyntax.KeyConst">
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KeyConst
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