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gemini-viewer-examples/public/demo/bim_2_overlay_with_dxf.html

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HTML

<html>
<head>
<link rel="icon" href="./demo/favicon.ico">
<link rel="stylesheet" type="text/css" href="./demo/global.css">
<style>
#myCanvas {
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<div id="app">
<div id="myCanvas" class="container"></div>
</div>
<script type="module">
import {
AxisGizmoPlugin,
BimViewer,
BimViewerToolbarPlugin,
MeasurementPlugin,
NavCubePlugin,
SectionPlugin,
} from "./demo/libs/gemini-viewer.esm.min.js";
import * as dat from "./demo/libs/dat.gui.module.js";
const gui = new dat.GUI();
const project = {
"id": "building1",
"name": "building1",
"models": [{
"name": "building1",
"src": "./demo/models/gltf/building1.gltf",
"edges": true,
"visible": true
}, {
"id": "building1_dxf",
"name": "building1 plan drawing",
"src": "./demo/models/dxf/building1.dxf",
"matrix": [
0.001, 0, 0, 0, // the dxf is in "mm", and gltf is in "meter", so need to set scale 0.001
0, 0, -0.001, 0,
0, 0.001, 0, 0,
-1831.340, 17, 456.910, 1 // also need to consider the base point
],
"edges": true,
"visible": true
}]
}
const viewer = new BimViewer({
containerId: "myCanvas",
});
new AxisGizmoPlugin(viewer);
new BimViewerToolbarPlugin(viewer);
new MeasurementPlugin(viewer);
new NavCubePlugin(viewer);
new SectionPlugin(viewer);
// font file is needed for loading dxf
// const fontFiles = ["./demo/libs/fonts/Microsoft_YaHei_Regular.typeface.json"];
const fontFiles = ["./demo/libs/fonts/hztxt.shx", "./demo/libs/fonts/simplex.shx"];
await viewer.setFont(fontFiles);
// draco decoder path is needed to load draco encoded models.
// gemini-viewer js sdk user maintains draco decoder code somewhere, and provides the path here.
const decoderPath = "./demo/libs/draco/gltf/";
viewer.setDracoDecoderPath(decoderPath);
project.models.forEach((modelCfg) => {
if (modelCfg.visible === false) {
// visible is true by default
return; // only load visible ones
}
viewer.loadModel(modelCfg, (event) => {
const progress = ((event.loaded * 100) / event.total).toFixed(1);
console.log(`[Demo] Loading '${modelCfg.id || modelCfg.name}' progress: ${progress}%`);
}, (event) => {
console.error("[Demo] Failed to load " + modelCfg.src + ". " + event.message);
}).then(() => {
console.log(`[Demo] Loaded model ${modelCfg.src}`);
// viewer.setToOrthographicCamera(false);
});
});
// dat.gui controls
const controls = {
dxfElevation: 0,
}
// update dxf elevation between -2 to 30, default value is 17.
gui.add(controls, "dxfElevation", -2.0, 30.0, 0.1)
.name("Dxf elevation")
.setValue(17) // the origin value is 17
.onChange((val) => {
const dxf = viewer.loadedModels.find((model) => model.modelId.endsWith(".dxf"));
const object = dxf.object;
object.position.setY(val);
object.updateMatrix();
viewer.enableRender();
});
</script>
</body>
</html>