Commit 24005672 authored by Kaitlyn's avatar Kaitlyn
Browse files

Moved swapping projections into map class.

parent 9ac9c084

src/PlanetaryMap.js→src/AstroMap.js

+27 −10
Original line number Diff line number Diff line 
L.Map.AstroMap = L.Map.extend({

  initialize: function(mapDiv, target) {

  options: {

    center: [0, 0],

    zoom: 1,

    maxZoom: 8,

    crs: L.CRS.EPSG4326,

    attributionControl: false

  },



  initialize: function(mapDiv, target, options) {

    this.mapDiv = mapDiv;

    this.target = target;

    this.layerControl = null;

    this.layers = {

      geodesic: new L.LayerCollection(this.target, "cylindrical"),

      northPolar: new L.LayerCollection(
@@ -14,18 +21,28 @@ L.Map.AstroMap = L.Map.extend({ 
        "south-polar stereographic"

      )

    };

    L.Map.prototype.initialize.call(this, this.mapDiv, {

      center: [0, 0],

      zoom: 1,

      maxZoom: 8,

      crs: L.CRS.EPSG4326,

      attributionControl: false

    });



    L.setOptions(this, options);

    L.Map.prototype.initialize.call(this, this.mapDiv, this.options);

    this.loadLayerCollection("geodesic");

  },



  loadLayerCollection: function(name) {

    this.layers[name].addTo(this);

  },



  changeProjection: function(projName, center) {

    var northStere = new L.Proj.CRS(

      "EPSG:32661",

      "+proj=stere +lat_0=90 +lon_0=0" +

        "+k=1 +x_0=0 +y_0=0 +a=3396190 +b=3376200 +units=m +no_defs",

      {

        resolutions: [8192, 4096, 2048, 1024, 512, 256, 128],

        origin: [0, 0]

      }

    );

    this.options.crs = northStere;

    this._resetView(center, 1, true);

    this.loadLayerCollection(projName);

  }

});

src/LayerCollection.js

+8 −4
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ L.LayerCollection = L.Class.extend({ 
    this.baseLayers = {};

    this.overlays = {};

    this.defaultLayerIndex = 0;

    L.LayerCollection.layerControl = null;



    var layers = this.parseJSON();

    this.createBaseLayers(layers["base"]);
@@ -89,14 +90,17 @@ L.LayerCollection = L.Class.extend({ 
      map.removeLayer(layer);

    });



    if (map.layerControl) {

      map.layerControl.remove();

    if (L.LayerCollection.layerControl) {

      L.LayerCollection.layerControl.remove();

    }



    var defaultLayer = Object.keys(this.baseLayers)[this.defaultLayerIndex];

    this.baseLayers[defaultLayer].addTo(map);



    map.layerControl = L.control.layers(this.baseLayers, this.overlays);

    map.layerControl.addTo(map);

    L.LayerCollection.layerControl = L.control.layers(

      this.baseLayers,

      this.overlays

    );

    L.LayerCollection.layerControl.addTo(map);

  }

});

src/Projection.js

+1 −12
Original line number Diff line number Diff line
@@ -17,19 +17,8 @@ L.Control.Projection = L.Control.extend({ 
  },



  loadNorthPolar: function(e) {

    var northStere = new L.Proj.CRS(

      "EPSG:32661",

      "+proj=stere +lat_0=90 +lon_0=0" +

        "+k=1 +x_0=0 +y_0=0 +a=3396190 +b=3376200 +units=m +no_defs",

      {

        resolutions: [8192, 4096, 2048, 1024, 512, 256, 128],

        origin: [0, 0]

      }

    );

    var center = [90, 0];

    this._map.options.crs = northStere;

    this._map._resetView(center, 1, true); //we need this to redraw all layers (polygons, markers...) in the new projection.

    this._map.loadLayerCollection("northPolar");

    this._map.changeProjection("northPolar", center);

  },



  loadSouthPolar: function(e) {

src/index.js

+2 −2
Original line number Diff line number Diff line 
import "./styles.css";

import * from 'leaflet';

import * from 'proj4leaflet';

import L from 'leaflet';

import L.Proj from 'proj4leaflet';



export * from './LayerCollection';

export * from './PlanetaryLayer';