angular-cesium

by articodeltd

articodeltd / angular-cesium

JavaScript library for creating map based web apps using Cesium and Angular

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Angular-Cesium

Drawing

CircleCI npm version

Create amazing mapping applications using Cesium and Angular components. Angular-Cesium is focused on high performance and simple usage. Check out our Docs and our blog post Intro to angular-cesium.

Getting started

If you are using Angular CLI, you can add the angular-cesium library using schematics

  • add
    angular-cesium
    :
    bash
    $ ng add angular-cesium
    
    #### Manual installation details here.

Demo

  • You can try and learn about angular-cesium from our demo.
  • The demo contains many examples, check out the
    demo-map.component.ts
    file.
  • Run:
    $ git clone https://github.com/articodeltd/angular-cesium.git
    $ cd angular-cesium
    $ yarn
    $ yarn demo:start
    $ open http://localhost:4200
    
  • More demos:

Basic example

  • In your HTML file :
    html
    
        
            
            
            
            
        
    
    
  • ac-map
    creates the map
  • ac-layer
    component represent an array of entities that will be displayed on the map.
    • acFor
      attribute accepts an RxObserver
      planes$
      ,
      ac-layer
      will subscribe to the observer and will handle all updates for you.
  • Add descriptions components to determine which entity to render, in our example:

    ac-billboard
    and
    ac-label
    .
    • This example will render a billboard(icon) and label for each plane in the stream.
    • props
      accepts the same member options as cesium corresponding class. For example
      ac-billboard-desc
      accepts same members as cesium Billboard.

For better understading check out the layer guide

Supported Entity types

Map Events

MapEventsManagerService
is a util service for managing all the map events (Click, Mouse_up...), it expose easy API for entity selection, event priority management and adds custom events (drag and drop, long press).

Usage: ```javascript @Component(...) export class SomeComponent{ constructor(private eventManager: MapEventsManagerService){

// Input about the wanted event
const eventRegistration: EventRegistrationInput = {
  event: CesiumEvent.LEFT_CLICK, // event type enum. [required!]
  modifier: CesiumEventModifier.CTRL, // event modifier enum. [optional]
  entityType: AcEntity, // raise event only if AcEntity is clicked. [optional]
  priority: 0, // event priority, default 0 . [optional]
  pick: PickOptions.PICK_FIRST // entity pick option, default PickOptions.NO_PICK. [optional]
};
const clickEvent = this.eventManager.register(eventRegistration).subscribe((result) => {
      // The EventResult will contain:
      // movement(screen location of the event), entities(your entities) , primitives( cesium primitives, like label,billboard...)
      console.log('map click', result.movement, 'primitives:', result.primitives, 'entities', result.entities);
    });

} } ```

For further details check the map events guide

Map layers

With angular cesium you can define your map provider in a declarative way using

ac-map-layer-provider
:
html
    
    
- All cesium imagery map layers are supported , defined with
[provider]
according to the
MapLayerProviderOptions
enum - Pass additional configuration to
[options]
.
url
is mandatory. - Support multi map layers, map ordering and map image layer configuration. - Check out usage example from our demo here

3d Tiles

   
   

Multiple maps support

Angular Cesium supports integration of multiple maps, for more details here

Camera

Camera Keyboard Control Service

Service that manages keyboard keys and execute actions per request. Inject the keyboard control service into any layer, under your ac-map component, And defined you keyboard handlers using setKeyboardControls. ```javascript this.keyboardControlService.setKeyboardControls({ W: { action: KeyboardAction.CAMERAFORWARD }, S: { action: KeyboardAction.CAMERABACKWARD }, D: { action: KeyboardAction.CAMERARIGHT }, A: { action: KeyboardAction.CAMERALEFT }, },

#### [CameraService](https://docs.angular-cesium.com/guides/camera-controls)
Util service that wraps cesium camera, exposes the scene's camera and screenSpaceCameraController.


MapsManagerService

Angular Cesium extends cesium api and expose additional features, but if you want to use pure cesium api you can use MapsManagerService to receive cesium viewer or any other util service that was created by ac-map.

```typescript class MyComp { constructor(mapsManagerService: MapsManagerService) const viewer = mapsManagerService.getMap().getCesiumViewer(); const mapEventManager = mapsManagerService.getMap().getMapEventsManager(); const cameraService = mapsManagerService.getMap().getCameraService(); }

MapsManagerService
manages all of the maps. The service exposes a
getMap()
function that can be used to retrieve a specific map by id.

ZoomToRectangleService

A service that is used to activate a zooming tool that enables the user to draw a rectangle over the map and zoom into the drawn rectangle

Geometry Editors And Widgets

Part of

AngularCesiumWidgetsModule
are useful geometry editors tool: +
CirlcesEditorService
- for drawing circles +
EllipsesEditorService
- for drawing ellipses and circles +
PolylinesEditorService
- for drawing polylines +
PolygonsEditorService
- for drawing polygons +
RectanglesEditorService
- for drawing rectangles +
HippodromeEditorService
- for drawing hippodromes (path in cesium)

Check out the Geometry Editors Doc

ScreenshotService

Take screenshot of your cesium globe.

ContextMenuService - stackblitz

create any custom angular component and anchor it to a map position, context menu guide.

Documents

  • #### Docs https://docs.angular-cesium.com/
  • #### Api Docs

License

Mit License

Support

Angular Cesium is an open source project, feel free to open issues,ask questions and open PRs. For additional support options contact us: [email protected].

Articode is a software company that specializes in GIS solutions and is the creator and the maintainer of angular-cesium. Feel free to contact us for consulting or any business endeavors.

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