cesium | source JavaScript library for world-class 3D globes | Map library
kandi X-RAY | cesium Summary
kandi X-RAY | cesium Summary
CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin. It uses WebGL for hardware-accelerated graphics, and is cross-platform, cross-browser, and tuned for dynamic-data visualization.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of cesium
cesium Key Features
cesium Examples and Code Snippets
Lines of Code : 57License : Permissive (MIT)
Copyimport Vue from 'vue'
import App from './App'
import router from './router'
import Cesium from 'cesium/Cesium'
import 'cesium/Widgets/widgets.css'
Vue.config.productionTip = false
/* eslint-disable no-new */
new Vue({
el: '#app',
router,
comp Usage:
sampleterrain.js [OPTIONS] [ARGS]
Options:
-f, --file FILE GeoJson File
-l, --level NUMBER Terrain level of detail
-u, --url URL Terrain provider url
-t, --token STRING Cesium Ion access token
-h, --help ...
+ import cesium from 'vite-plugin-cesium';
export default defineConfig({
...
+ plugins: [cesium()]
});
/**
* Calculate the position and orientation needed for the beam entity.
* @param {Cesium.Cartesian3} position - The position of the desired origin.
* @param {Number} az - The azimuth of the beam center in radians.
* @param {Number} elnamespace Cesium {
export namespace Rectangle {
function fromCartesianArray(cartesians: Array, ellipsoid: Cesium.Ellipsoid, result?: Cesium.Rectangle): Cesium.Rectangle;
}
}
{
"name": "project",
"version": "0.0.1",
"private": true,
"scripts": {
"bundle": "webpack",
"type-check": "tsc --noEmit",
"type-check:watch": "npm run type-check -- --watch",
"start": "webpack-dev-server",
"testinterface Cartographic {
longitude: number;
latitude: number;
height: number;
}
interface Cartesian3 {
x: number;
y: number;
z: number;
}
interface HeadingPitchRoll {
heading: number;
pitch: number;
roll: number;
}
const require('../../node_modules/cesium/Build/CesiumUnminified/Cesium.js');
const Cesium = window.Cesium;
\documentclass{article}
\usepackage{filecontents}
\begin{filecontents*}{elements.csv}
1 , H , Hydrogen , + , 1+
2 , He , Helium , , 0
3 , Li , Lithium , + , 1+
4 , Be import Cesium from 'cesium/Cesium';
var Cesium = require('cesium/Cesium');
Community Discussions
Trending Discussions on cesium
QUESTION
I use Vue and cesium to create an app, which is rendered normally when I open it for the first time; However, switching routes will result in a rendering error.
I realized that the problem might be caused by this function.When I annotate this function, Everything is back to normal.
...ANSWER
Answered 2022-Mar-23 at 01:34This is due to the problem caused by loading the model from the cesium console. When I load the model in the local static folder, everything is normal. I hope it can help people who encounter the same problem.
QUESTION
How to draw a gizmo by giving it a position, orientation and eventually a scale in a CesiumJS application?
By gizmo I mean a 3-axes right-handed reference frame using (x,y,z) vectors, ideally depicted as (RGB) values, such as these, for example:
I wish I could depict the orientation of any object (e.g. a glTF) by placing such reference frame, for example, at the position of the object origin (e.g. using its longitude, latitude and elevation) and following its orientation, as defined by its heading, pitch and roll values which must follow the three given angles in their original order (heading first, pitch second and roll third) starting from the LTP-ENU (0,0,0) convention (x=0=east, y=0=north, z=0=upward).
The inspector is not an option.
...ANSWER
Answered 2022-Feb-13 at 15:33You can use DebugModelMatrixPrimitive.
Here 's Sandcastle
Sample code
QUESTION
I'm scratching a vanilla CesiumJS demo application from the 1.73 branch.
I left untouched the server.cjs file, but I added one custom client implementation file as Apps/myproject/my.js
As I need to GET some JSON responses from an existing API within that demo application, I tried to import the 'https' module as follows:
...ANSWER
Answered 2022-Feb-12 at 02:54You can't use the "require" statement in the Cesiumjs client app.
Use this code snippet.
QUESTION
I have been trying to trim whitespaces in my long array which consists of almost all the periodic table elements but not able to find the function that does that, I did read the documentation on trim but found out that none of them work with the array.
Here is my long array
...ANSWER
Answered 2022-Jan-28 at 11:44Just use map with trim as:
QUESTION
I need to setup a google earth alike service, which I can self-host the elevation data and map tile data on a VPS such as EC2.
I briefly researched the following resources:
- Cesium
- OpenElevation
- OpenStreatMap
- Google Elevation API
My questions are, to name a few:
What is the relationship, if any, between these technologies/products. For example, if I try to setup up a "Cesium World Terrain" server, do I still need something like OpenElevation? Or, is Cesium already using OpenElevation as a component?
Does google offer something like "GoogleEarth javascript engine/library", which is free to deploy (as long as you don't use their servers)?
I am not asking to compare these technologies, which maybe controversial or against SO's policy, but just need help to unerstand the relationship between these technologies, and what are the pieces I need.
...ANSWER
Answered 2022-Jan-25 at 04:01Google used to provide a system called Google Earth Enterprise, which included data processing and hosting servers, as well as the Google Earth Enterprise client, which is basically Earth Pro with the added ability to switch to an alternate server/database for imagery, terrain and base-layers. The server side of it was open-sourced years ago, and the Enterprise client is still available, so that might be one option.
Some resources:
QUESTION
I am trying to create a kind of timeline using cesium, WMS server and layers. I am currently using WebMapServiceImageryProvider but it gives me a layer in many tiles. For my timeline I would like to use a singleTile, to reduce request to the server. I have tried to implement SingleTileImageryProvider but it still provides me many tiles. Can someone help me ?
I think i probably should get a rectangle for my geographical zone, and give it to cesium, but i do not understand how. Moreover, cesium documentation is not really explicite.
...ANSWER
Answered 2022-Jan-14 at 13:03Ok, I have finally got success with this subject.
To resume, I wanted to request a same layer each time with different dimension value and do a kind of animation by display or not each. To reduce sended request on my server, I wanted to disable tiles and request a unique tile.
I have done this by using SingleTileImageryProvider. Many parameters are needed. First, the tile width and height. I set screen dimensions. Then, rectangle covered by the image in response and the BBOX parameter provided by getting upperRight and lower left coordinates.
I have forced my request to use CRS:84, to deal with degrees, not meters. Then I get lat/long of upperRight and LowerLeft corner of my screen, using cesium methods. These coordinates helped me to define my BBOX.
I can now launch my animation, just a tile is loaded by deadlines, and my server is not satured.
QUESTION
$.ajax({
type: "GET",
dataType: "json",
url: "https://reqres.in/api/unknown/2",
success: function(data){
console.log(data)
}
});
ANSWER
Answered 2022-Jan-03 at 23:39Cesium's "Sandcastle" test environment does not include a means to include JQuery. Instead, you can use Cesium's own helper functions for things like this, such as Cesium.Resource.fetchJson.
For example: Live Sandcastle Demo
QUESTION
I want to get distance between an entity and camera in meters. To achieve that I'm passing cartesian3 positions of camera and entity in Cesium.Cartesian3.distanceSquared. It seems distance is calculating properly when the entity is not being tracked. But Tracked entity distance seems higher even though the camera is nearly moving along with the tracked entity.
I'm not getting how to get correct distance between any entity (tracked/without tracked) and camera.
Entity can be anywhere on earth or in air and distance should not be the travelling distance.
...ANSWER
Answered 2022-Jan-03 at 15:13I don't know why distance between camera position Cartesian3 value and entity Cartesian3 value is not correct. However, I have sorted out that converting Camera's Cartographic position to Cartesian3 is calculating correct distance.
Replaced:
QUESTION
I want to display cesium clock and timeline widget inside a different div container outside of the cesium container. With the help of this link I've created a separate clock widget and applied animation on an entity. Animation is working but the clock widget is not working. It seems like default clock widget is working not the newly created. Sandcastle link
...ANSWER
Answered 2021-Dec-27 at 20:18You need to create the viewer after the clockViewModel, and pass in the clockViewModel as a constructor option. For example:
QUESTION
I am working on a project to have a random word guessing game. So far most of the code is working but I am trying to implement some rules on the length of words displayed to the user as a measure of game difficulty (shorter words = easier, etc). I am using a drop-down menu to get the user's setting selection, and then have rules in the JS tags that are supposed to be handling this.
After toying around with this for several days, I was hoping that a fresh pair of eyes might have a suggestion about where I am going wrong to be able to enforce the rules I am trying to enforce?
The specific functions that should be handling this are setDifficulty(), getSelection(), and randomWord()
ANSWER
Answered 2021-Dec-02 at 00:06Let's start by saving the difficulty setting in a variable along these :
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