HiNC-2025-win-desktop-Deploy/App/wwwroot/HiAPI-docsite/anatomy/widget/polar-resolution-2d-panel.html

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        <article data-uid="Anatomy-PolarResolution2dPanel">
          <h1 id="polar-resolution-2d-panel">Polar Resolution 2D Panel</h1>

<p>The model is <a class="xref" href="../../api/Hi.Geom.Resolution.PolarResolution2d.html">PolarResolution2d</a>: a linear step in millimetres plus an angular step, carried in radians and edited in degrees, that together tessellate a revolved shape into an STL mesh. Both clients edit it on a tool holder and nowhere else — the WPF client through this widget, the web client through the Cylindroid holder's Resolution section.</p>
<h2 id="layout">Layout</h2>
<h3 id="wpf-layout">WPF Layout</h3>
<ul>
<li>Polar Resolution 2D Panel
<ul>
<li>Enable Custom Resolution CheckBox
<ul>
<li>checked if the host model is not null; the checkbox itself is always clickable.</li>
<li>unchecking sets the host model to null; checking a null model publishes a fresh <a class="xref" href="../../api/Hi.Geom.Resolution.PolarResolution2d.html">PolarResolution2d</a> of 0.5 mm / 5 deg through the setter.</li>
</ul>
</li>
<li>Linear Resolution Input Field, with an <code>mm</code> suffix label
<ul>
<li>enabled if model not null</li>
</ul>
</li>
<li>Angle Resolution Input Field, with a degree-sign suffix label
<ul>
<li>enabled if model not null</li>
</ul>
</li>
</ul>
</li>
</ul>
<h3 id="web-layout">Web Layout</h3>
<ul>
<li>Holder Resolution Section
<ul>
<li>Resolution Hint Caption — names the STL tessellation used for display and collision meshing</li>
<li>Linear Resolution (mm) Input Field</li>
<li>Angle Resolution (deg) Input Field</li>
</ul>
</li>
</ul>
<p>There is no enable checkbox and no null state on the web: both fields are always editable, and each commits on blur or Enter, and only when both values are greater than zero.</p>
<h2 id="feature">Feature</h2>
<p>The Enable CheckBox is always shown. The host drives the WPF widget only through <code>GetterFunc</code> / <code>SetterFunc</code>; it calls <code>UpdateUI()</code> after its own model changes and subscribes to <code>OnModelChanged</code> to react to an edit.</p>
<p>An edit republishes a whole new carrier through the setter instead of mutating the current one, in either client. A holder's <a class="xref" href="../../api/Hi.NcMech.Holders.CylindroidHolder.html#Hi_NcMech_Holders_CylindroidHolder_PolarResolution2d">PolarResolution2d</a> setter swaps the holder's solid for one born with the new value and disposes the old one, and skips a value-equal reassignment — which is what makes the WPF widget's per-keystroke setting affordable. The web client performs the same swap server-side inside <code>SetPolarResolution</code>, then clears the holder's cache.</p>
<p>If the host model is null, it may mean the resolution applied the default value: <a class="xref" href="../../api/Hi.NcMech.Solids.Solid.html#Hi_NcMech_Solids_Solid_PolarResolution2d">PolarResolution2d</a> is a snapshot of the solid's identity, and a null carrier lets a parametric geometry apply its own default. Only the WPF client can reach that state. The service reports a null resolution as 0 mm / 0 deg, the two web fields display those zeros, and the commit guard then blocks any write until real numbers are typed.</p>
<h2 id="source-code-path">Source Code Path</h2>
<p>See <a class="xref" href="../index.html">HiNC App Anatomy</a> for git repository links.</p>
<p>HiNC-2025-webservice (Quasar CLI SPA): no standalone widget. The resolution is edited on the Cylindroid holder's Resolution section, at the Control-Tree id <code>toolhouse/tool-{id}/holder/resolution</code> and the route <code>/tool-house/:toolId/holder/resolution</code>. A Freeform holder grows no sections in the web client; its Holder panel shows a hint pointing at the WPF client instead.</p>
<ul>
<li><code>wwwroot-src/src/components/controlTree/toolhouse/HolderSectionPanel.vue</code> — the <code>section === 'resolution'</code> branch: the two number fields, seeded from <code>Get</code> and committed on blur / Enter.</li>
<li><code>wwwroot-src/src/components/controlTree/toolHouseItemTypes.ts</code> — registers that panel as the <code>HolderSection</code> item type and grows the Resolution node only for a <code>CylindroidHolder</code>.</li>
<li><code>wwwroot-src/src/components/controlTree/toolhouse/ToolHolderPanel.vue</code> — the Holder stem above it, whose holder-type selector decides which sections appear.</li>
<li><code>wwwroot-src/src/api/cylindroidHolder.ts</code> — <code>PolarResolutionDto</code> (<code>linear_mm</code> / <code>angle_deg</code>) and <code>setCylindroidHolderResolution</code>.</li>
<li><code>wwwroot-src/src/router/treeRoutes.ts</code> — maps the holder's section ids onto the Tool House route params.</li>
<li><code>wwwroot-src/src/i18n/en/toolhouse.ts</code> — the two field labels and the tessellation hint caption.</li>
<li><code>Mech/CylindroidHolderController.cs</code> — <code>POST /api/CylindroidHolder/SetPolarResolution</code>, which rejects a non-positive value, assigns a fresh <code>PolarResolution2d</code> and calls <code>ClearCache()</code>; <code>GET Get</code> reports a null resolution as 0 / 0.</li>
</ul>
<h2 id="see-also">See Also</h2>
<ul>
<li><a class="xref" href="../tool-house/holder/cylindroid-holder-panel.html">Cylindroid Holder Panel</a> — the holder editor that embeds this panel to tessellate its profile</li>
<li><a class="xref" href="../tool-house/holder/freeform-holder-panel.html">Freeform Holder Panel</a> — the other holder editor that embeds it</li>
</ul>

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