HiNC-2025-win-desktop-Deploy/App/wwwroot/HiAPI-docsite/anatomy/execution/graphic-cache-menu.html

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        <article data-uid="Anatomy-GraphicCacheMenu">
          <h1 id="graphic-cache-submenu">Graphic-Cache SubMenu</h1>

<h2 id="shipped-surface">Shipped Surface</h2>
<p>The panel has no route and no Control-Tree node of its own. It is chrome on the Execution page (<code>/execution</code>): the canvas panel's expansion header carries the <code>Meshed Geom ▾</code> dropdown — titled <em>Workpiece rendering cache and geometry-diff settings</em> — whose <code>Graphic Cache</code> row opens this panel in a nested menu. It hangs there because it acts on the workpiece meshed geometry's rendering cache, and its sibling row in the same dropdown is <code>Diff Visual Radius</code>. It is therefore only reachable while the Execution page's canvas column is shown.</p>
<p>The panel is self-contained: it takes no parent-supplied model. It holds local lower / upper / current values, loads them on mount, and commits each edit to <code>GET</code>/<code>POST /api/preference/graphic-cache</code>. <code>UserService</code> / <code>UserConfig</code> is the server-side model behind that endpoint.</p>
<h2 id="layout">Layout</h2>
<p>Titled <strong>Graphic Cache (MB)</strong>, with the caption &ldquo;Memory budget for rendering cache. Lower &amp; upper bound the slider.&rdquo;</p>
<ul>
<li>Graphic-Cache SubMenu
<ul>
<li><code>Lower</code> numeric field (unit MB)</li>
<li><code>Upper</code> numeric field (unit MB)</li>
<li><code>Current</code> numeric field (unit MB)</li>
<li>Slider</li>
</ul>
</li>
</ul>
<h2 id="behavior">Behavior</h2>
<ul>
<li>There is no apply step and no Save button: each field posts its own value the moment it is committed — on blur, or on Enter — and the whole panel is loaded once when it is mounted.</li>
<li>The <code>Current</code> field is bounded by the two limit fields, so a value below <code>Lower</code> or above <code>Upper</code> is refused with an inline message and never sent. The server clamps a submitted value into the limits regardless, and the panel re-applies the effective state that comes back, so the server's answer is always what ends up on screen.</li>
<li>The slider is integer-valued and reflects <code>Current</code> in MB. Its range tracks <code>Lower</code> / <code>Upper</code>, clamped defensively so the minimum never exceeds the maximum. Releasing the slider commits the value.</li>
<li>A failed write shows the message inline under the fields, raises a notification, and re-reads from the server so the panel never drifts from stored state.</li>
<li>A write lands on the live user configuration, so it takes effect at once — <code>GraphicCacheMb</code> is a pass-through onto <code>CubeTree.DispCacheMb</code>. All three values are part of the user-config XML, so they reach disk with the next save of that config.</li>
</ul>
<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):</p>
<ul>
<li><code>wwwroot-src/src/components/preference/GraphicCacheMenu.vue</code> — the panel itself: Lower / Upper / Current numeric fields plus the slider. Loads on mount, commits each edit to the REST endpoint, re-applies the server's clamped response, and reports failures inline plus a notification.</li>
<li><code>wwwroot-src/src/components/execution/ExecutionExtendedToolBar.vue</code> — where the entry hangs: the <code>Meshed Geom ▾</code> dropdown on the Execution page canvas panel's expansion header, whose <code>Graphic Cache</code> row opens this panel in a nested menu.</li>
<li><code>wwwroot-src/src/components/workpiece/WorkpieceDiffRadiusMenu.vue</code> — the sibling <code>Diff Visual Radius</code> row in the same dropdown.</li>
<li><code>wwwroot-src/src/components/widgets/NumericInput.vue</code> — the shared numeric field used for all three values.</li>
<li><code>wwwroot-src/src/api/preference.ts</code> — <code>getGraphicCache</code> / <code>setGraphicCache</code> over <code>GET</code>/<code>POST /api/preference/graphic-cache</code>, typed as <code>{ lowerLimit, upperLimit, value }</code>.</li>
<li><code>Environments/PreferenceController.cs</code> — <code>GetGraphicCacheSettings</code> returns <code>{ success, lowerLimit, upperLimit, value }</code>; <code>UpdateGraphicCacheSettings</code> takes the same three as nullable fields, clamps <code>value</code> into the limits, writes the live <code>UserConfig</code>, and returns the effective state.</li>
<li><code>Environments/UserConfig.cs</code> — <code>GraphicCacheLowerLimitMb</code> (default 10) and <code>GraphicCacheUpperLimitMb</code> (default 1200) are plain stored values; <code>GraphicCacheMb</code> is a pass-through whose getter and setter are <code>CubeTree.DispCacheMb</code>. All three round-trip through the config XML.</li>
</ul>
<h2 id="see-also">See Also</h2>
<ul>
<li><a class="xref" href="../shell/preference-menu.html">Preference Menu Dropdown</a> — the sibling entries of the same dropdown</li>
</ul>

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