Increase max clipping planes using textures #6201
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| <!DOCTYPE html> | ||
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There was a problem hiding this comment. I really like this demo and feel like it could be incorporated into the main clipping planes demo. If that's annoying to do it could be a standalone demo in the main folder. There was a problem hiding this comment. @mramato recommended moving it to Development since it's more for debugging and performance testing than demonstrating the feature. @pjcozzi also mentioned at one point that we might do actual clipping cylinders, at which point this demo kind of becomes a "wrong" way to achieve the effect.
Much appreciated though! There was a problem hiding this comment. I'm not sure about this being in |
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| <html lang="en"> | ||
| <head> | ||
| <meta charset="utf-8"> | ||
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"> | ||
| <meta name="description" content="Use Viewer to start building new applications or easily embed Cesium into existing applications."> | ||
| <meta name="cesium-sandcastle-labels" content="Beginner, Showcases"> | ||
| <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"> | ||
| if(typeof require === "function") { | ||
| require.config({ | ||
| baseUrl : '../../../Source', | ||
| waitSeconds : 120 | ||
| }); | ||
| } | ||
| </script> | ||
| </head> | ||
| <body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html"> | ||
| <style> | ||
| @import url(../templates/bucket.css); | ||
| </style> | ||
| <div id="cesiumContainer" class="fullSize"></div> | ||
| <div id="loadingOverlay"><h1>Loading...</h1></div> | ||
| <div id="toolbar"> | ||
| <table><tbody> | ||
| <tr> | ||
| <td>Distance</td> | ||
| <td> | ||
| <input type="range" min="-100.0" max="100.0" step="1.0" data-bind="value: cylinderRadius, valueUpdate: 'input'"> | ||
| <input type="text" size="5" data-bind="value: cylinderRadius"> | ||
| </td> | ||
| </tr> | ||
| </tbody></table> | ||
| <select data-bind="options: exampleTypes, value: currentExampleType"></select> | ||
| </div> | ||
| <script id="cesium_sandcastle_script"> | ||
| function startup(Cesium) { | ||
| 'use strict'; | ||
| //Sandcastle_Begin | ||
| var viewer = new Cesium.Viewer('cesiumContainer', { | ||
| infoBox: false, | ||
| selectionIndicator: false, | ||
| skyAtmosphere: false, | ||
| shouldAnimate : true | ||
| }); | ||
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| viewer.terrainProvider = new Cesium.CesiumTerrainProvider({ | ||
| url : 'https://assets.agi.com/stk-terrain/v1/tilesets/world/tiles', | ||
| requestWaterMask : true, | ||
| requestVertexNormals : true | ||
| }); | ||
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| var globe = viewer.scene.globe; | ||
| globe.depthTestAgainstTerrain = true; | ||
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| var cylinderRadius = -20.0; | ||
| var radiusMultiplier = 1.0; | ||
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| var clipObjects = ['model', 'b3dm', 'pnts', 'i3dm', 'terrain']; | ||
| var viewModel = { | ||
| cylinderRadius : cylinderRadius, | ||
| exampleTypes : clipObjects, | ||
| currentExampleType : clipObjects[0] | ||
| }; | ||
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| Cesium.knockout.track(viewModel); | ||
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| var toolbar = document.getElementById('toolbar'); | ||
| Cesium.knockout.applyBindings(viewModel, toolbar); | ||
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| Cesium.knockout.getObservable(viewModel, 'cylinderRadius').subscribe( | ||
| function(newValue) { | ||
| cylinderRadius = parseFloat(viewModel.cylinderRadius); | ||
| updatePlanes(); | ||
| } | ||
| ); | ||
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| var scene = viewer.scene; | ||
| var planeEntities = []; | ||
| var selectedPlane; | ||
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| var steps = 32; | ||
| var clippingPlanes = []; | ||
| var modelEntityClippingPlanes; | ||
| var clippingModeUnion = false; | ||
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| function updatePlanes() { | ||
| for (var i = 0; i < clippingPlanes.length; i++) { | ||
| var plane = clippingPlanes[i]; | ||
| plane.distance = cylinderRadius * radiusMultiplier; | ||
| } | ||
| } | ||
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| function createClippingPlanes(modelMatrix) { | ||
| clippingPlanes = []; | ||
| var stepDegrees = 6.28319 / steps; | ||
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| for (var i = 0; i < steps; i++) { | ||
| var angle = i * stepDegrees; | ||
| var dir = new Cesium.Cartesian3(); | ||
| dir.x = 1.0; | ||
| dir.y = Math.tan(angle); | ||
| if (angle > 1.57079632679) { | ||
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There was a problem hiding this comment. Here and below, avoid hardcoding values. There are |
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| dir.x = -1.0; | ||
| dir.y *= -1.0; | ||
| } | ||
| if (angle > 3.14159265359) { | ||
| dir.x = -1.0; | ||
| dir.y = dir.y; | ||
| } | ||
| if (angle > 4.71238898038) { | ||
| dir.x = 1.0; | ||
| dir.y = -dir.y; | ||
| } | ||
| Cesium.Cartesian3.normalize(dir, dir); | ||
| clippingPlanes.push(new Cesium.Plane(dir, cylinderRadius)); | ||
| } | ||
| modelEntityClippingPlanes = new Cesium.ClippingPlaneCollection({ | ||
| modelMatrix : Cesium.defined(modelMatrix) ? modelMatrix : Cesium.Matrix4.IDENTITY, | ||
| planes : clippingPlanes, | ||
| edgeWidth: 2.0, | ||
| edgeColor: Cesium.Color.WHITE, | ||
| unionClippingRegions : clippingModeUnion | ||
| }); | ||
| } | ||
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| function updateClippingPlanes() { | ||
| return modelEntityClippingPlanes; | ||
| } | ||
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| var modelUrl = '../../SampleData/models/CesiumAir/Cesium_Air.glb'; | ||
| var agiHqUrl = Cesium.CesiumIon.createResource(1458, { accessToken: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIxYmJiNTAxOC1lOTg5LTQzN2EtODg1OC0zMWJjM2IxNGNlYmMiLCJpZCI6NDQsImFzc2V0cyI6WzE0NThdLCJpYXQiOjE0OTkyNjM4MjB9.1WKijRa-ILkmG6utrhDWX6rDgasjD7dZv-G5ZyCmkKg' }); | ||
| var instancedUrl = Cesium.CesiumIon.createResource(3876, { accessToken: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiJjYjNlMTg5Zi1hMzc2LTRmZjktOGEwZC00NGEzNTM0MTAzZGUiLCJpZCI6MjU5LCJpYXQiOjE1MTgxOTE2NTV9.qaP8-_Ej6AihGnv5iB990Hm6lHr8F_rrC3_EPxdT6MQ' }); | ||
| var pointCloudUrl = Cesium.CesiumIon.createResource(3742, { accessToken: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIxOGZjMjlhZC03MDE1LTQ3ZTAtODEyNy05YTU3M2MwYzQ0YmEiLCJpZCI6NDQsImFzc2V0cyI6WzM3NDJdLCJpYXQiOjE1MTcyNDI3NDJ9.TJAJctFXC1UyFMpxkA3cyKVAmnh72cLtfY1yKbaQsyk' }); | ||
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| function loadModel(url) { | ||
| createClippingPlanes(); | ||
| var position = Cesium.Cartesian3.fromDegrees(-123.0744619, 44.0503706, 300.0); | ||
| var heading = 0.0; | ||
| var pitch = 0.0; | ||
| var roll = 0.0; | ||
| var hpr = new Cesium.HeadingPitchRoll(heading, pitch, roll); | ||
| var orientation = Cesium.Transforms.headingPitchRollQuaternion(position, hpr); | ||
| var entity = viewer.entities.add({ | ||
| name : url, | ||
| position : position, | ||
| orientation : orientation, | ||
| model : { | ||
| uri : url, | ||
| scale : 20, | ||
| minimumPixelSize : 100.0, | ||
| clippingPlanes : new Cesium.CallbackProperty(updateClippingPlanes, false) | ||
| } | ||
| }); | ||
| viewer.trackedEntity = entity; | ||
| } | ||
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| var tileset; | ||
| function loadTileset(url) { | ||
| createClippingPlanes(); | ||
| tileset = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({ | ||
| url : url, | ||
| clippingPlanes : modelEntityClippingPlanes | ||
| })); | ||
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| return tileset.readyPromise.then(function() { | ||
| var boundingSphere = tileset.boundingSphere; | ||
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| var cartographic = Cesium.Cartographic.fromCartesian(boundingSphere.center); | ||
| var surface = Cesium.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, 0.0); | ||
| var offset = Cesium.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, 100.0); | ||
| var translation = Cesium.Cartesian3.subtract(offset, surface, new Cesium.Cartesian3()); | ||
| tileset.modelMatrix = Cesium.Matrix4.fromTranslation(translation); | ||
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| var radius = boundingSphere.radius; | ||
| viewer.camera.viewBoundingSphere(boundingSphere, new Cesium.HeadingPitchRange(0.5, -0.2, radius * 4.0)); | ||
| viewer.camera.lookAtTransform(Cesium.Matrix4.IDENTITY); | ||
| }).otherwise(function(error) { | ||
| throw(error); | ||
| }); | ||
| } | ||
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| loadModel(modelUrl); | ||
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| Cesium.knockout.getObservable(viewModel, 'currentExampleType').subscribe(function(newValue) { | ||
| reset(); | ||
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| if (newValue === clipObjects[0]) { | ||
| // Model | ||
| loadModel(modelUrl); | ||
| } else if (newValue === clipObjects[1]) { | ||
| // B3dm photogrammetry | ||
| agiHqUrl.then(function(resource) { | ||
| return loadTileset(resource); | ||
| }); | ||
| } else if (newValue === clipObjects[2]) { | ||
| // Point clouds | ||
| radiusMultiplier = 20.0; | ||
| pointCloudUrl.then(function(resource) { | ||
| return loadTileset(resource); | ||
| }) | ||
| .then(function() { | ||
|
There was a problem hiding this comment. Update code style here too. |
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| tileset.pointCloudShading.attenuation = true; | ||
| }); | ||
| } else if (newValue === clipObjects[3]) { | ||
| // i3dm | ||
| instancedUrl.then(function(resource) { | ||
| return loadTileset(resource); | ||
| }) | ||
| .then(function() { | ||
| tileset.clippingPlanes.modelMatrix = Cesium.Transforms.eastNorthUpToFixedFrame(tileset.boundingSphere.center); | ||
| }); | ||
|
There was a problem hiding this comment. Usually in Cesium code we condense this to: |
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| } else if (newValue === clipObjects[4]) { | ||
| // Terrain | ||
| var position = Cesium.Cartesian3.fromRadians(-2.0872979473351286, 0.6596620013036164, 2380.0); | ||
| var entity = viewer.entities.add({ | ||
| position : position, | ||
| model : { | ||
| uri : '../../SampleData/models/CesiumMan/Cesium_Man.glb', | ||
| minimumPixelSize : 128, | ||
| scale : 40 | ||
| } | ||
| }); | ||
| viewer.trackedEntity = entity; | ||
| createClippingPlanes(entity.computeModelMatrix(Cesium.JulianDate.now())); | ||
| globe.clippingPlanes = modelEntityClippingPlanes; | ||
| } | ||
| updatePlanes(); | ||
| }); | ||
|
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| function reset() { | ||
| radiusMultiplier = 1.0; | ||
| viewModel.cylinderRadius = cylinderRadius; | ||
| viewer.entities.removeAll(); | ||
| viewer.scene.primitives.removeAll(); | ||
| globe.clippingPlanes = undefined; // destroy Globe clipping planes, if any | ||
| } | ||
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| Sandcastle.addToggleButton('union', clippingModeUnion, function(checked) { | ||
| clippingModeUnion = checked; | ||
| modelEntityClippingPlanes.unionClippingRegions = clippingModeUnion; | ||
| }); | ||
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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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For consistency
Many Clipping Planes.jpgshould be 225x150.