Source: thermodynamicDiagram/PlotAltitudeDataArea.js

  1. /**
  2.  * @module meteoJS/thermodynamicDiagram/plotAltitudeDataArea
  3.  */
  4. import PlotDataArea from './PlotDataArea.js';
  6. /**
  7.  * Options for labels on hovering the diagram. Extended by the "remote" option.
  8.  * 
  9.  * @typedef {module:meteoJS/thermodynamicDiagram/plotDataArea~hoverLabelsOptions}
  10.  *   module:meteoJS/thermodynamicDiagram/plotAltitudeDataArea~hoverLabelsOptions
  11.  * @property {boolean} [remote=true]
  12.  *   Show labels relative to the mouse position on the diagram, even when the
  13.  *   pointer isn't directly on the plot area.
  14.  */
  16. /**
  17.  * Options for the constructor.
  18.  * 
  19.  * @typedef {module:meteoJS/thermodynamicDiagram/plotDataArea~options}
  20.  *   module:meteoJS/thermodynamicDiagram/plotAltitudeDataArea~options
  21.  * @property {module:meteoJS/thermodynamicDiagram/plotAltitudeDataArea~hoverLabelsOptions}
  22.  *   [hoverLabels] - Hover labels options.
  23.  */
  25. /**
  26.  * Abstract class to define an area on the SVG with sounding data, plotted with
  27.  * pressure on the y-axis.
  28.  * 
  29.  * <pre><code>import PlotAltitudeDataArea from 'meteojs/thermodynamicDiagram/PlotAltitudeDataArea';</code></pre>
  30.  * 
  31.  * @extends module:meteoJS/thermodynamicDiagram/plotDataArea.PlotDataArea
  32.  */
  33. export class PlotAltitudeDataArea extends PlotDataArea {
  34.   
  35.   /**
  36.    * @param {module:meteoJS/thermodynamicDiagram/plotAltitudeDataArea~options}
  37.    *   options - Options.
  38.    */
  39.   constructor({
  40.     svgNode = undefined,
  41.     coordinateSystem = undefined,
  42.     x = 0,
  43.     y = 0,
  44.     width = 100,
  45.     height = 100,
  46.     style = {},
  47.     visible = true,
  48.     events = {},
  49.     hoverLabels = {},
  50.     getSoundingVisibility = sounding => sounding.visible,
  51.     dataGroupIds = undefined,
  52.     getCoordinatesByLevelData = undefined,
  53.     insertDataGroupInto = undefined,
  54.     filterDataPoint = undefined,
  55.     minDataPointsDistance = 0
  56.   } = {}) {
  57.     super({
  58.       svgNode,
  59.       coordinateSystem,
  60.       x,
  61.       y,
  62.       width,
  63.       height,
  64.       style,
  65.       visible,
  66.       events,
  67.       hoverLabels,
  68.       getSoundingVisibility,
  69.       dataGroupIds,
  70.       getCoordinatesByLevelData,
  71.       insertDataGroupInto,
  72.       filterDataPoint,
  73.       minDataPointsDistance
  74.     });
  75.     
  76.     /**
  77.      * @type boolean
  78.      * @private
  79.      */
  80.     this._isHoverLabelsRemote;
  81.   }
  82.   
  83.   /**
  84.    * Extend an event with pressure.
  85.    * 
  86.    * @override
  87.    */
  88.   getExtendedEvent(e, p) {
  89.     e = super.getExtendedEvent(e, p);
  90.     
  91.     e.diagramPres = undefined;
  92.     if (this.coordinateSystem !== undefined)
  93.       e.diagramPres =
  94.         this.coordinateSystem.getPByXY(0,
  95.           this.coordinateSystem.height - e.elementY);
  96.     
  97.     return e;
  98.   }
  99.   
  100.   /**
  101.    * Show also hover labels when mouse isn't over the area.
  102.    * 
  103.    * @type boolean
  104.    * @readonly
  105.    */
  106.   get isHoverLabelsRemote() {
  107.     return this._isHoverLabelsRemote;
  108.   }
  109.   
  110.   /**
  111.    * Initialize hover labels options.
  112.    * 
  113.    * @param {module:meteoJS/thermodynamicDiagram/plotAltitudeDataArea~hoverLabelsOptions}
  114.    *   options - Hover labels options.
  115.    * @override
  116.    */
  117.   _initHoverLabels({
  118.     visible = true,
  119.     type = 'mousemove',
  120.     maxDistance = undefined,
  121.     remote = true,
  122.     insertLabelsFunc = undefined,
  123.     getLevelData = ({ hoverLabelsSounding, e }) => {
  124.       if (!e.diagramPres)
  125.         return {};
  126.       const sounding = hoverLabelsSounding.sounding;
  127.       return sounding.getData(sounding.getNearestLevel(e.diagramPres));
  128.     },
  129.     getHoverSounding = undefined
  130.   }) {
  131.     this._isHoverLabelsRemote = remote;
  133.     super._initHoverLabels({
  134.       visible,
  135.       type,
  136.       maxDistance,
  137.       insertLabelsFunc,
  138.       getLevelData,
  139.       getHoverSounding
  140.     });
  141.   }
  142. }
  143. export default PlotAltitudeDataArea;