mirror of
https://github.com/NASAWorldWind/WebWorldWind.git
synced 2026-01-25 15:23:04 +00:00
86 lines
3.6 KiB
JavaScript
86 lines
3.6 KiB
JavaScript
/*
|
|
* Copyright 2003-2006, 2009, 2017, 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.
|
|
*/
|
|
/**
|
|
* Illustrates how to load and display a GeoTiff file.
|
|
*/
|
|
|
|
requirejs(['./WorldWindShim',
|
|
'./LayerManager'],
|
|
function (WorldWind,
|
|
LayerManager) {
|
|
"use strict";
|
|
|
|
// Tell WorldWind to log only warnings and errors.
|
|
WorldWind.Logger.setLoggingLevel(WorldWind.Logger.LEVEL_WARNING);
|
|
|
|
// Create the WorldWindow.
|
|
var wwd = new WorldWind.WorldWindow("canvasOne");
|
|
|
|
// Create and add imagery layers to the WorldWindow.
|
|
var layers = [
|
|
//Imagery layers.
|
|
{layer: new WorldWind.BMNGLayer(), enabled: false},
|
|
{layer: new WorldWind.BingAerialWithLabelsLayer(null), enabled: true},
|
|
// Add atmosphere layer on top of all base layers.
|
|
{layer: new WorldWind.AtmosphereLayer(), enabled: true},
|
|
// WorldWindow UI layers.
|
|
{layer: new WorldWind.CompassLayer(), enabled: true},
|
|
{layer: new WorldWind.CoordinatesDisplayLayer(wwd), enabled: true},
|
|
{layer: new WorldWind.ViewControlsLayer(wwd), enabled: true}
|
|
];
|
|
|
|
for (var l = 0; l < layers.length; l++) {
|
|
layers[l].layer.enabled = layers[l].enabled;
|
|
wwd.addLayer(layers[l].layer);
|
|
}
|
|
|
|
// Create GeoTiff layer and add it to the WorldWindow's layer list. Disabled until its image is loaded.
|
|
var geoTiffLayer = new WorldWind.RenderableLayer("GeoTiff");
|
|
geoTiffLayer.enabled = false;
|
|
geoTiffLayer.showSpinner = true;
|
|
wwd.addLayer(geoTiffLayer);
|
|
|
|
var resourceUrl = "https://worldwind.arc.nasa.gov/web/examples/data/black_sea_rgb.tif";
|
|
|
|
// Load the GeoTiff using the Reader's built-in XHR retrieval function.
|
|
WorldWind.GeoTiffReader.retrieveFromUrl(resourceUrl, function (geoTiffReader, xhrStatus) {
|
|
if (!geoTiffReader) {
|
|
// Error, provide the status text to the console.
|
|
console.log(xhrStatus);
|
|
return;
|
|
}
|
|
|
|
// Display the obtained GeoTiff imagery with a WorldWind SurfaceImage renderable.
|
|
var surfaceGeoTiff = new WorldWind.SurfaceImage(
|
|
geoTiffReader.metadata.bbox,
|
|
new WorldWind.ImageSource(geoTiffReader.getImage())
|
|
);
|
|
|
|
// Add the SurfaceImage to the GeoTiff layer and update the layer manager.
|
|
geoTiffLayer.addRenderable(surfaceGeoTiff);
|
|
geoTiffLayer.enabled = true;
|
|
geoTiffLayer.showSpinner = false;
|
|
layerManager.synchronizeLayerList();
|
|
|
|
// Redraw the WorldWindow and point the camera towards the imagery location.
|
|
wwd.redraw();
|
|
wwd.goTo(new WorldWind.Position(43.80, 28.57, 30000));
|
|
});
|
|
|
|
// Create a layer manager for controlling layer visibility.
|
|
var layerManager = new LayerManager(wwd);
|
|
}); |