56 lines
1.8 KiB
JavaScript
56 lines
1.8 KiB
JavaScript
function checkWebGL(evt) {
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document.getElementById('no-webgl').style.display =
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ol.BrowserFeature.HAS_WEBGL ? 'none' : '';
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document.getElementById('has-webgl').style.display =
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ol.BrowserFeature.HAS_WEBGL && !evt.glContext ? '' : 'none';
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document.getElementById('webgl').style.display =
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evt.glContext ? '' : 'none';
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}
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var layer = new ol.layer.Tile({
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source: new ol.source.OSM()
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});
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layer.once('precompose', checkWebGL);
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var view = new ol.View2D({
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center: [0, 0],
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zoom: 2
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});
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var map = new ol.Map({
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layers: [layer],
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renderer: exampleNS.getRendererFromQueryString(),
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target: 'map',
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view: view
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});
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var visible = new ol.dom.Input(document.getElementById('visible'));
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visible.bindTo('checked', layer, 'visible');
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var opacity = new ol.dom.Input(document.getElementById('opacity'));
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opacity.bindTo('value', layer, 'opacity')
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.transform(parseFloat, String);
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var hue = new ol.dom.Input(document.getElementById('hue'));
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hue.bindTo('value', layer, 'hue')
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.transform(parseFloat, String);
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var saturation = new ol.dom.Input(document.getElementById('saturation'));
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saturation.bindTo('value', layer, 'saturation')
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.transform(parseFloat, String);
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var contrast = new ol.dom.Input(document.getElementById('contrast'));
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contrast.bindTo('value', layer, 'contrast')
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.transform(parseFloat, String);
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var brightness = new ol.dom.Input(document.getElementById('brightness'));
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brightness.bindTo('value', layer, 'brightness')
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.transform(parseFloat, String);
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var rotation = new ol.dom.Input(document.getElementById('rotation'));
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rotation.bindTo('value', view, 'rotation').transform(parseFloat, String);
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var resolution = new ol.dom.Input(document.getElementById('resolution'));
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resolution.bindTo('value', view, 'resolution').transform(parseFloat, String);
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