Clipping planes for models, tilesets, point clouds #5913
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| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="utf-8"> | ||
| <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1"> <!-- Use Chrome Frame in IE --> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"> | ||
| <meta name="description" content="User-defined clipping planes applied to a batched 3D Tileset, point cloud, and model."> | ||
| <meta name="cesium-sandcastle-labels" content="Showcases, 3D Tiles"> | ||
| <title>Cesium Demo</title> | ||
| <script type="text/javascript" src="../Sandcastle-header.js"></script> | ||
| <script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script> | ||
| <script type="text/javascript"> | ||
| require.config({ | ||
| baseUrl : '../../../Source', | ||
| waitSeconds : 60 | ||
| }); | ||
| </script> | ||
| </head> | ||
| <body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html"> | ||
| <style> | ||
| @import url(../templates/bucket.css); | ||
| #toolbar { | ||
| background: rgba(42, 42, 42, 0.8); | ||
| padding: 4px; | ||
| border-radius: 4px; | ||
| } | ||
| #toolbar input { | ||
| vertical-align: middle; | ||
| padding-top: 2px; | ||
| padding-bottom: 2px; | ||
| } | ||
| #toolbar .header { | ||
| font-weight: bold; | ||
| } | ||
| </style> | ||
| <div id="cesiumContainer" class="fullSize"></div> | ||
| <div id="loadingOverlay"><h1>Loading...</h1></div> | ||
| <div id="toolbar"> | ||
| <table><tbody> | ||
| <tr> | ||
| <td>Type</td> | ||
| <td><select data-bind="options: exampleTypes, value: exampleType"></select></td> | ||
| </tr> | ||
| <tr> | ||
| <td>x</td> | ||
| <td> | ||
| <input type="range" min="-100" max="100" step="1" data-bind="value: xOffset, valueUpdate: 'input'"> | ||
|
There was a problem hiding this comment. Reset x, y, and z when a new model is selected. After playing around with the BIM tileset I switched to the airplane and couldn't see it because the values were just too big. It might even be good to limit the range of these values per-model. The sliders are too shifty for the airplane model. Or just scale up the airplane if that's easier. There was a problem hiding this comment. So setting the scale on the model causes the clipping planes to behave differently- It will not be relative to the model anymore and move around when the camera changes position. But only when the model is set to a scale other than 1. Do you know why that might be? There was a problem hiding this comment. The scale component of the There was a problem hiding this comment. Instead I inverted, muliplied by scale, and inverted back. Is that ok? |
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| <input type="text" size="2" data-bind="value: xOffset"> | ||
| </td> | ||
| </tr> | ||
| <tr> | ||
| <td>y</td> | ||
| <td> | ||
| <input type="range" min="-100" max="100" step="1" data-bind="value: yOffset, valueUpdate: 'input'"> | ||
| <input type="text" size="2" data-bind="value: yOffset"> | ||
| </td> | ||
| </tr> | ||
| <tr> | ||
| <td>z</td> | ||
| <td> | ||
| <input type="range" min="-100" max="100" step="1" data-bind="value: zOffset, valueUpdate: 'input'"> | ||
| <input type="text" size="2" data-bind="value: zOffset"> | ||
| </td> | ||
| </tr> | ||
| </tbody></table> | ||
| </div> | ||
|
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| <script id="cesium_sandcastle_script"> | ||
| function startup(Cesium) { | ||
| 'use strict'; | ||
| //Sandcastle_Begin | ||
| var viewer = new Cesium.Viewer('cesiumContainer'); | ||
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| var defaultClippingPlanes = [ | ||
| new Cesium.Plane(Cesium.Cartesian3.UNIT_X, 0), | ||
| new Cesium.Plane(Cesium.Cartesian3.UNIT_Y, 0), | ||
| new Cesium.Plane(Cesium.Cartesian3.UNIT_Z, 0) | ||
| ]; | ||
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| function loadTileset (url) { | ||
|
There was a problem hiding this comment. Throughout, no space before |
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| viewer.entities.removeAll(); | ||
| viewer.scene.primitives.removeAll(); | ||
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| var tileset = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({ | ||
| url : url | ||
| })); | ||
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| tileset.readyPromise.then(function() { | ||
| var boundingSphere = tileset.boundingSphere; | ||
| viewer.camera.viewBoundingSphere(boundingSphere, new Cesium.HeadingPitchRange(0.5, -0.2, boundingSphere.radius * 4.0)); | ||
| viewer.camera.lookAtTransform(Cesium.Matrix4.IDENTITY); | ||
| }).otherwise(function(error) { | ||
| throw(error); | ||
| }); | ||
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| tileset.clippingPlanes = defaultClippingPlanes; | ||
| return tileset.clippingPlanes; | ||
| } | ||
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| function loadModel (url) { | ||
|
There was a problem hiding this comment. It is an awkward design to have the In |
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| viewer.entities.removeAll(); | ||
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There was a problem hiding this comment. Also need to call To keep is simple, these cleanup lines can go in their own function called from within |
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| viewer.scene.primitives.removeAll(); | ||
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| var position = Cesium.Cartesian3.fromDegrees(-123.0744619, 44.0503706, 1.0); | ||
| var heading = Cesium.Math.toRadians(135); | ||
| var pitch = 0; | ||
| var roll = 0; | ||
| var hpr = new Cesium.HeadingPitchRoll(heading, pitch, roll); | ||
| var orientation = Cesium.Transforms.headingPitchRollQuaternion(position, hpr); | ||
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| var entity = viewer.entities.add({ | ||
| name : url, | ||
| position : position, | ||
| orientation : orientation, | ||
| model : { | ||
| uri : url | ||
| } | ||
| }); | ||
|
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| viewer.trackedEntity = entity; | ||
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| entity.model.clippingPlanes = defaultClippingPlanes; | ||
| return entity.model.clippingPlanes.getValue(); | ||
| } | ||
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| // Power Plant design model provided by Bentley Systems | ||
| var bimUrl = 'https://beta.cesium.com/api/assets/1459?access_token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIzNjUyM2I5Yy01YmRhLTQ0MjktOGI0Zi02MDdmYzBjMmY0MjYiLCJpZCI6NDQsImFzc2V0cyI6WzE0NTldLCJpYXQiOjE0OTkyNjQ3ODF9.SW_rwY-ic0TwQBeiweXNqFyywoxnnUBtcVjeCmDGef4'; | ||
| var pointCloudUrl = 'https://beta.cesium.com/api/assets/1460?access_token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIyMzk2YzJiOS1jZGFmLTRlZmYtYmQ4MS00NTA3NjEwMzViZTkiLCJpZCI6NDQsImFzc2V0cyI6WzE0NjBdLCJpYXQiOjE0OTkyNjQ3NTV9.oWjvN52CRQ-dk3xtvD4e8ZnOHZhoWSpJLlw115mbQJM'; | ||
| var modelUrl = '../../SampleData/models/CesiumAir/Cesium_Air.glb'; | ||
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| var clippingPlanes = loadTileset(bimUrl); | ||
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| // Track and create the bindings for the view model | ||
|
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| var viewModel = { | ||
| exampleType : 'BIM', | ||
| exampleTypes : ['BIM', 'Model', 'Point Cloud'], | ||
| xOffset : 0.0, | ||
| yOffset: 0.0, | ||
| zOffset: 0.0 | ||
| }; | ||
| var toolbar = document.getElementById('toolbar'); | ||
| Cesium.knockout.track(viewModel); | ||
| Cesium.knockout.applyBindings(viewModel, toolbar); | ||
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| Cesium.knockout.getObservable(viewModel, 'xOffset').subscribe(function(newValue) { | ||
| clippingPlanes[0].distance = parseFloat(newValue); | ||
| }); | ||
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| Cesium.knockout.getObservable(viewModel, 'yOffset').subscribe(function(newValue) { | ||
| clippingPlanes[1].distance = parseFloat(newValue); | ||
| }); | ||
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| Cesium.knockout.getObservable(viewModel, 'zOffset').subscribe(function(newValue) { | ||
| clippingPlanes[2].distance = parseFloat(newValue); | ||
| }); | ||
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| Cesium.knockout.getObservable(viewModel, 'exampleType').subscribe( | ||
| function(newValue) { | ||
| if (newValue === 'BIM') { | ||
| clippingPlanes = loadTileset(bimUrl); | ||
| } else if (newValue === 'Point Cloud') { | ||
| clippingPlanes = loadTileset(pointCloudUrl); | ||
| } else { | ||
| clippingPlanes = loadModel(modelUrl); | ||
| } | ||
| } | ||
| ); | ||
|
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| //Sandcastle_End | ||
| Sandcastle.finishedLoading(); | ||
| } | ||
| if (typeof Cesium !== "undefined") { | ||
| startup(Cesium); | ||
| } else if (typeof require === "function") { | ||
| require(["Cesium"], startup); | ||
| } | ||
| </script> | ||
| </body> | ||
| </html> | ||
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Add an image for the demo.