WebWorldWind/apps/util/TerrainOpacityController.js
2020-08-12 17:28:51 -05:00

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/*
* Copyright 2003-2006, 2009, 2017, 2020 United States Government, as represented
* by the Administrator of the National Aeronautics and Space Administration.
* All rights reserved.
*
* The NASAWorldWind/WebWorldWind platform is licensed under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License
* at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed
* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* NASAWorldWind/WebWorldWind also contains the following 3rd party Open Source
* software:
*
* ES6-Promise under MIT License
* libtess.js SGI Free Software License B
* Proj4 under MIT License
* JSZip under MIT License
*
* A complete listing of 3rd Party software notices and licenses included in
* WebWorldWind can be found in the WebWorldWind 3rd-party notices and licenses
* PDF found in code directory.
*/
/**
* @exports TerrainOpacityController
*/
define(function () {
"use strict";
/**
* Constructs a TerrainOpacityController.
* @alias TerrainOpacityController
* @constructor
* @classdesc Provides a slider to control the opacity of TiledImageLayer layers.
* @param {WorldWindow} worldWindow The WorldWindow to associate with this opacity controller.
*/
var TerrainOpacityController = function (worldWindow) {
var thisController = this;
this.wwd = worldWindow;
this.slider = $("#terrainOpacitySlider").slider({
value: this.wwd.surfaceOpacity * 100,
min: 0,
max: 100,
animate: true,
slide: function (event, ui) {
$("#terrainOpacityReadout").html(ui.value / 100);
thisController.updateOpacity(ui.value);
}
});
$("#terrainOpacityReadout").html(this.slider.slider("value") / 100);
};
TerrainOpacityController.prototype.updateOpacity = function (value) {
this.wwd.surfaceOpacity = value / 100;
//for (var i = 0; i < this.wwd.layers.length; i++) {
// var layer = this.wwd.layers[i];
//
// if (layer instanceof WorldWind.TiledImageLayer) {
// layer.opacity = value / 100;
// }
//}
this.wwd.redraw();
};
return TerrainOpacityController;
});