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Initial import of NODEDC BIM Viewer

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2026-06-04 13:25:42 +03:00
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<div class="content" data-ice="content"><h1 data-ice="title">src/toolbar/ResetAction.js</h1>
<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">import {Controller} from &quot;../Controller.js&quot;;
import {ModelMemento, math} from &quot;@xeokit/xeokit-sdk/dist/xeokit-sdk.es.js&quot;;
const tempVec3a = math.vec3();
/** @private */
class ResetAction extends Controller {
constructor(parent, cfg = {}) {
super(parent, cfg);
if (!cfg.buttonElement) {
throw &quot;Missing config: buttonElement&quot;;
}
const buttonElement = cfg.buttonElement;
const camera = this.viewer.camera;
this._modelMementos = {};
// Initial camera position - looking down negative diagonal
camera.eye = [0.577, 0.577, 0.577];
camera.look = [0,0,0];
camera.up = [-1, 1, -1];
this.bimViewer._modelsExplorer.on(&quot;modelLoaded&quot;, (modelId) =&gt; {
this._saveModelMemento(modelId);
});
this.bimViewer._modelsExplorer.on(&quot;modelUnloaded&quot;, (modelId) =&gt; {
this._destroyModelMemento(modelId);
});
this.on(&quot;enabled&quot;, (enabled) =&gt; {
if (!enabled) {
buttonElement.classList.add(&quot;disabled&quot;);
} else {
buttonElement.classList.remove(&quot;disabled&quot;);
}
});
this.on(&quot;active&quot;, (active) =&gt; {
if (active) {
buttonElement.classList.add(&quot;active&quot;);
} else {
buttonElement.classList.remove(&quot;active&quot;);
}
});
buttonElement.addEventListener(&quot;click&quot;, (event) =&gt; {
if (this.getEnabled()) {
this.reset();
}
event.preventDefault();
});
}
_saveModelMemento(modelId) {
const metaModel = this.viewer.metaScene.metaModels[modelId];
if (!metaModel) {
return;
}
const modelMemento = new ModelMemento();
modelMemento.saveObjects(this.viewer.scene, metaModel, {
visible: true,
edges: true,
xrayed: true,
highlighted: true,
selected: true,
clippable: true,
pickable: true,
colorize: false, // We don&apos;t colorize objects yet - also messes up point clouds
opacity: false // FIXME: Restoring opacity broken by colorize fix - details at https://github.com/xeokit/xeokit-sdk/issues/239
});
this._modelMementos[modelId] = modelMemento;
}
_restoreModelMemento(modelId) {
const metaModel = this.viewer.metaScene.metaModels[modelId];
if (!metaModel) {
return;
}
const modelMemento = this._modelMementos[modelId];
modelMemento.restoreObjects(this.viewer.scene, metaModel);
}
_destroyModelMemento(modelId) {
delete this._modelMementos[modelId];
}
reset() {
const scene = this.viewer.scene;
const modelIds = scene.modelIds;
for (var i = 0, len = modelIds.length; i &lt; len; i++) {
const modelId = modelIds[i];
this._restoreModelMemento(modelId);
}
this.bimViewer.unShowObjectInExplorers();
this.fire(&quot;reset&quot;, true);
this._resetCamera();
}
_resetCamera() {
const viewer = this.viewer;
const scene = viewer.scene;
const aabb = scene.getAABB(scene.visibleObjectIds);
const diag = math.getAABB3Diag(aabb);
const center = math.getAABB3Center(aabb, tempVec3a);
const camera = scene.camera;
const fitFOV = camera.perspective.fov;
const dist = Math.abs(diag / Math.tan(45 * math.DEGTORAD));
const dir = math.normalizeVec3((camera.yUp) ? [-0.5, -0.7071, -0.5] : [-1, 1, -1]);
const up = math.normalizeVec3((camera.yUp) ? [-0.5, 0.7071, -0.5] : [-1, 1, 1]);
viewer.cameraControl.pivotPos = center;
viewer.cameraControl.planView = false;
viewer.cameraFlight.flyTo({
look: center,
eye: [center[0] - (dist * dir[0]), center[1] - (dist * dir[1]), center[2] - (dist * dir[2])],
up: up,
orthoScale: diag * 1.3,
projection: &quot;perspective&quot;,
duration: 1
});
}
}
export {ResetAction};</code></pre>
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