-
Notifications
You must be signed in to change notification settings - Fork 3.5k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge branch 'main' into jay_issue_11507
- Loading branch information
Showing
79 changed files
with
1,942 additions
and
490 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
221 changes: 221 additions & 0 deletions
221
Apps/Sandcastle/gallery/Callback Position Property.html
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,221 @@ | ||
<!DOCTYPE html> | ||
<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 a CallbackPositionProperty when your data can't be pre-computed or needs to be derived from other properties at runtime." | ||
/> | ||
<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="../../../Build/CesiumUnminified/Cesium.js" | ||
nomodule | ||
></script> | ||
<script type="module" src="../load-cesium-es6.js"></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"></div> | ||
<script id="cesium_sandcastle_script"> | ||
window.startup = async function (Cesium) { | ||
"use strict"; | ||
//Sandcastle_Begin | ||
// This example illustrates a Callback Position Property, a position property whose | ||
// value is lazily evaluated by a callback function. | ||
// Use a CallbackPositionProperty when your data can't be pre-computed | ||
// or needs to be derived from other properties at runtime. | ||
const viewer = new Cesium.Viewer("cesiumContainer", { | ||
terrain: Cesium.Terrain.fromWorldTerrain(), | ||
}); | ||
|
||
// Enable lighting based on the sun position. | ||
viewer.scene.globe.enableLighting = true; | ||
|
||
// Enable depth testing so things behind the terrain disappear. | ||
viewer.scene.globe.depthTestAgainstTerrain = true; | ||
|
||
// Set bounds of our simulation time. | ||
const start = Cesium.JulianDate.fromDate(new Date(2015, 2, 25, 16)); | ||
const duration = 8; | ||
const stop = Cesium.JulianDate.addSeconds( | ||
start, | ||
duration, | ||
new Cesium.JulianDate() | ||
); | ||
|
||
// Make sure viewer is at the desired time. | ||
viewer.clock.startTime = start.clone(); | ||
viewer.clock.stopTime = stop.clone(); | ||
viewer.clock.currentTime = start.clone(); | ||
viewer.clock.multiplier = 1.0; | ||
viewer.clock.clockRange = Cesium.ClockRange.LOOP_STOP; | ||
viewer.clock.shouldAnimate = true; | ||
|
||
// Set timeline to simulation bounds. | ||
viewer.timeline.zoomTo(start, stop); | ||
|
||
// Prepare time samples. | ||
const times = [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0]; | ||
const firstTime = times[0]; | ||
const lastTime = times[times.length - 1]; | ||
const delta = lastTime - firstTime; | ||
|
||
// Prepare point samples. Before and after points are used to | ||
// calculate the first and last tangents for the spline. | ||
const before = Cesium.Cartesian3.fromDegrees( | ||
-112.87962, | ||
36.27375, | ||
620.01 | ||
); | ||
const points = [ | ||
Cesium.Cartesian3.fromDegrees(-112.87709, 36.27782, 620.01), | ||
Cesium.Cartesian3.fromDegrees(-112.87351, 36.27992, 617.9), | ||
Cesium.Cartesian3.fromDegrees(-112.87081, 36.2816, 617.6), | ||
Cesium.Cartesian3.fromDegrees(-112.86539, 36.28239, 625.36), | ||
Cesium.Cartesian3.fromDegrees(-112.86108, 36.28137, 627.82), | ||
Cesium.Cartesian3.fromDegrees(-112.85551, 36.27967, 625.54), | ||
Cesium.Cartesian3.fromDegrees(-112.848, 36.27732, 628.9), | ||
Cesium.Cartesian3.fromDegrees(-112.84086, 36.27739, 638.81), | ||
Cesium.Cartesian3.fromDegrees(-112.83682, 36.27995, 643.31), | ||
]; | ||
const after = Cesium.Cartesian3.fromDegrees( | ||
-112.83506, | ||
36.2822, | ||
643.31 | ||
); | ||
|
||
// Calculate first and last tangents. | ||
const firstTangent = Cesium.Cartesian3.subtract( | ||
points[0], | ||
before, | ||
new Cesium.Cartesian3() | ||
); | ||
const lastTangent = Cesium.Cartesian3.subtract( | ||
after, | ||
points[8], | ||
new Cesium.Cartesian3() | ||
); | ||
|
||
// Create the position spline. | ||
const positionSpline = new Cesium.CatmullRomSpline({ | ||
times: times, | ||
points: points, | ||
firstTangent: firstTangent, | ||
lastTangent: lastTangent, | ||
}); | ||
|
||
// Create the callback position property and make it return spline evaluations. | ||
const position = new Cesium.CallbackPositionProperty(function ( | ||
time, | ||
result | ||
) { | ||
const splineTime = | ||
(delta * Cesium.JulianDate.secondsDifference(time, start)) / | ||
duration; | ||
if (splineTime < firstTime || splineTime > lastTime) { | ||
return undefined; | ||
} | ||
return positionSpline.evaluate(splineTime, result); | ||
}, | ||
false); | ||
|
||
const orientation = new Cesium.VelocityOrientationProperty(position); | ||
|
||
// Add a waypoints. | ||
for (let i = 0; i < points.length; ++i) { | ||
viewer.entities.add({ | ||
position: points[i], | ||
point: { | ||
pixelSize: 8, | ||
color: Cesium.Color.TRANSPARENT, | ||
outlineColor: Cesium.Color.YELLOW, | ||
outlineWidth: 3, | ||
}, | ||
}); | ||
} | ||
|
||
// Create the entity and bind its position to the callback position property | ||
viewer.entities.add({ | ||
availability: new Cesium.TimeIntervalCollection([ | ||
new Cesium.TimeInterval({ | ||
start: start, | ||
stop: stop, | ||
}), | ||
]), | ||
position: position, | ||
orientation: orientation, | ||
model: { | ||
uri: "../../SampleData/models/CesiumDrone/CesiumDrone.glb", | ||
minimumPixelSize: 64, | ||
maximumScale: 20000, | ||
}, | ||
path: { | ||
material: new Cesium.PolylineGlowMaterialProperty({ | ||
glowPower: 0.1, | ||
color: Cesium.Color.YELLOW, | ||
}), | ||
width: 10, | ||
resolution: 0.01, | ||
leadTime: 1, | ||
trailTime: 0.1, | ||
}, | ||
}); | ||
|
||
const camera = viewer.camera; | ||
const scene = viewer.scene; | ||
|
||
const scratchPosition = new Cesium.Cartesian3(); | ||
const scratchOrientation = new Cesium.Quaternion(); | ||
const scratchTransform = new Cesium.Matrix4(); | ||
const offset = new Cesium.Cartesian3(-100, 0, 10); | ||
|
||
// Update camera to follow entity's position and orientation | ||
viewer.clock.onTick.addEventListener(function (clock) { | ||
if (scene.mode === Cesium.Scene.MORPHING) { | ||
return; | ||
} | ||
const time = clock.currentTime; | ||
const entityPosition = position.getValue(time, scratchPosition); | ||
const entityOrientation = orientation.getValue( | ||
time, | ||
scratchOrientation | ||
); | ||
if (entityPosition === undefined || entityOrientation === undefined) { | ||
return; | ||
} | ||
const transform = Cesium.Matrix4.fromTranslationQuaternionRotationScale( | ||
entityPosition, | ||
entityOrientation, | ||
Cesium.Cartesian3.ONE, | ||
scratchTransform | ||
); | ||
camera.lookAtTransform(transform, offset); | ||
}); | ||
//Sandcastle_End | ||
}; | ||
if (typeof Cesium !== "undefined") { | ||
window.startupCalled = true; | ||
window.startup(Cesium).catch((error) => { | ||
"use strict"; | ||
console.error(error); | ||
}); | ||
Sandcastle.finishedLoading(); | ||
} | ||
</script> | ||
</body> | ||
</html> |
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
144 changes: 144 additions & 0 deletions
144
Apps/Sandcastle/gallery/Globe Materials – Water Mask Elevation Map.html
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,144 @@ | ||
<!DOCTYPE html> | ||
<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="Apply materials to the globe." /> | ||
<meta name="cesium-sandcastle-labels" content="Showcases" /> | ||
<title>Cesium Demo</title> | ||
<script type="text/javascript" src="../Sandcastle-header.js"></script> | ||
<script | ||
type="text/javascript" | ||
src="../../../Build/CesiumUnminified/Cesium.js" | ||
nomodule | ||
></script> | ||
<script type="module" src="../load-cesium-es6.js"></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"> | ||
<div id="zoomButtons"></div> | ||
</div> | ||
<script id="cesium_sandcastle_script"> | ||
window.startup = async function (Cesium) { | ||
"use strict"; | ||
//Sandcastle_Begin | ||
const viewer = new Cesium.Viewer("cesiumContainer", { | ||
terrain: Cesium.Terrain.fromWorldTerrain({ | ||
requestVertexNormals: true, // Needed for hillshading | ||
requestWaterMask: true, // Needed to distinguish land from water | ||
}), | ||
timeline: false, | ||
animation: false, | ||
}); | ||
|
||
// Create a globe material for shading elevation only on land | ||
const customElevationMaterial = new Cesium.Material({ | ||
fabric: { | ||
type: "ElevationLand", | ||
materials: { | ||
waterMaskMaterial: { | ||
type: "WaterMask", | ||
}, | ||
elevationRampMaterial: { | ||
type: "ElevationRamp", | ||
}, | ||
}, | ||
components: { | ||
diffuse: "elevationRampMaterial.diffuse", | ||
alpha: "1.0 - waterMaskMaterial.alpha", // We'll need the inverse of the watermask to shade land | ||
}, | ||
}, | ||
translucent: false, | ||
}); | ||
|
||
const minHeight = -414.0; // approximate dead sea elevation | ||
const maxHeight = 8777.0; // approximate everest elevation | ||
const elevationRamp = [0.0, 0.045, 0.45, 0.5, 0.55, 1.0]; | ||
function getColorRamp() { | ||
const ramp = document.createElement("canvas"); | ||
ramp.width = 100; | ||
ramp.height = 1; | ||
const ctx = ramp.getContext("2d"); | ||
|
||
const values = elevationRamp; | ||
|
||
const grd = ctx.createLinearGradient(0, 0, 100, 0); | ||
|
||
// See https://gis.stackexchange.com/questions/25099/choosing-colour-ramp-to-use-for-elevation | ||
grd.addColorStop(values[0], "#344f31"); | ||
grd.addColorStop(values[1], "#5b8742"); | ||
grd.addColorStop(values[2], "#e6daa5"); | ||
grd.addColorStop(values[3], "#fdc771"); | ||
grd.addColorStop(values[4], "#b99d89"); | ||
grd.addColorStop(values[5], "#f0f0f0"); | ||
|
||
ctx.fillStyle = grd; | ||
ctx.fillRect(0, 0, 100, 1); | ||
|
||
return ramp; | ||
} | ||
|
||
const globe = viewer.scene.globe; | ||
const material = customElevationMaterial; | ||
const shadingUniforms = | ||
material.materials.elevationRampMaterial.uniforms; | ||
shadingUniforms.minimumHeight = minHeight; | ||
shadingUniforms.maximumHeight = maxHeight; | ||
shadingUniforms.image = getColorRamp(); | ||
|
||
globe.material = material; | ||
globe.showWaterEffect = false; | ||
globe.enableLighting = true; | ||
globe.maximumScreenSpaceError = 0.5; // Load higher resolution tiles for more detailed shading | ||
|
||
// Light the scene with a hillshade effect similar to https://pro.arcgis.com/en/pro-app/latest/tool-reference/3d-analyst/how-hillshade-works.htm | ||
const scene = viewer.scene; | ||
scene.light = new Cesium.DirectionalLight({ | ||
direction: new Cesium.Cartesian3(1, 0, 0), // Updated every frame | ||
}); | ||
|
||
// Update the light position base on the camera | ||
const scratchNormal = new Cesium.Cartesian3(); | ||
scene.preRender.addEventListener(function (scene, time) { | ||
const surfaceNormal = globe.ellipsoid.geodeticSurfaceNormal( | ||
scene.camera.positionWC, | ||
scratchNormal | ||
); | ||
const negativeNormal = Cesium.Cartesian3.negate( | ||
surfaceNormal, | ||
surfaceNormal | ||
); | ||
scene.light.direction = Cesium.Cartesian3.normalize( | ||
Cesium.Cartesian3.add( | ||
negativeNormal, | ||
scene.camera.rightWC, | ||
surfaceNormal | ||
), | ||
scene.light.direction | ||
); | ||
}); | ||
//Sandcastle_End | ||
}; | ||
if (typeof Cesium !== "undefined") { | ||
window.startupCalled = true; | ||
window.startup(Cesium).catch((error) => { | ||
"use strict"; | ||
console.error(error); | ||
}); | ||
Sandcastle.finishedLoading(); | ||
} | ||
</script> | ||
</body> | ||
</html> |
Binary file added
BIN
+21.6 KB
Apps/Sandcastle/gallery/Globe Materials – Water Mask Elevation Map.jpg
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.