f84f696e31
git-svn-id: http://svn.openlayers.org/trunk/openlayers@11162 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
110 lines
3.7 KiB
HTML
110 lines
3.7 KiB
HTML
<html>
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<head>
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<script src="../OLLoader.js"></script>
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<script type="text/javascript">
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var layer;
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function test_Layer_FixedZoomLevels (t) {
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t.plan( 39 );
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var layer = { 'MIN_ZOOM_LEVEL': 5,
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'MAX_ZOOM_LEVEL': 10 };
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//defaults
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layer = p_createLayer(layer);
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p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, layer.MAX_ZOOM_LEVEL, "nothing specified");
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//layer.options
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// min,num
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layer = p_createLayer(layer, {}, { minZoomLevel: 3, numZoomLevels: 12});
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p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, layer.MAX_ZOOM_LEVEL, "min too low num too high(layer.options)");
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layer = p_createLayer(layer, {}, { minZoomLevel: 6, numZoomLevels: 3 });
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p_minMaxNum(t, layer, 6, 8, "valid min,num(layer.options)");
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// max
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layer = p_createLayer(layer, {}, { maxZoomLevel: 9 });
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p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, 9, "valid max(layer.options)");
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layer = p_createLayer(layer, {}, { maxZoomLevel: 12 });
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p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, layer.MAX_ZOOM_LEVEL, "invalid max(layer.options)");
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//map
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// min,num
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layer = p_createLayer(layer, { minZoomLevel: 3, numZoomLevels: 12});
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p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, layer.MAX_ZOOM_LEVEL, "min too low num too high(map)");
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layer = p_createLayer(layer, { minZoomLevel: 6, numZoomLevels: 3 });
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p_minMaxNum(t, layer, 6, 8, "valid min,num(map)");
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// max
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layer = p_createLayer(layer, { maxZoomLevel: 9 });
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p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, 9, "valid max(map)");
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layer = p_createLayer(layer, { maxZoomLevel: 12 });
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p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, layer.MAX_ZOOM_LEVEL, "invalid max(map)");
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//map vs. options
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layer = p_createLayer(layer, {minZoomLevel: 6, numZoomLevels: 2}, { minZoomLevel: 7, numZoomLevels: 3});
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p_minMaxNum(t, layer, 7, 9, "min,num(layer.options) wins over (map)");
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layer = p_createLayer(layer, {minZoomLevel: 6, maxZoomLevel: 8}, { minZoomLevel: 7, maxZoomLevel: 9});
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p_minMaxNum(t, layer, 7, 9, "min,max(layer.options) wins over (map)");
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// numZoomLevels vs. maxZoomLevel
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layer = p_createLayer(layer, {maxZoomLevel: 8, numZoomLevels: 6});
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p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, 10, "min,max(layer.options) wins over (map)");
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// resolutions array
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var resolutions = Array(20);
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for (var i = 0; i < 20; i++) {
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resolutions[i] = Math.random();
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}
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OpenLayers.Util.extend(layer, {RESOLUTIONS:resolutions});
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var minZoomLevel = 6;
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var numZoomLevels = 2;
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layer = p_createLayer(layer, {}, {minZoomLevel: minZoomLevel, numZoomLevels: numZoomLevels});
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t.eq( layer.resolutions.length, numZoomLevels, "length of resolutions array ok");
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for (var i = 0; i < numZoomLevels; i++) {
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t.eq( layer.resolutions[i], resolutions[i + minZoomLevel], "resolutions array at index " + i + " ok");
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}
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}
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function p_createLayer(layer, mapOptions, layerOptions) {
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layer.map = mapOptions || {};
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layer.options = layerOptions || {};
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OpenLayers.Layer.FixedZoomLevels.prototype.initResolutions.apply(layer);
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return layer;
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}
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function p_minMaxNum(t, layer, min, max, msg) {
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t.eq( layer.minZoomLevel, min, "min zoom level inherited from layer constant: " + msg);
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t.eq( layer.maxZoomLevel, max, "max zoom level inherited from layer constant: " + msg);
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t.eq( layer.numZoomLevels, max - min + 1, "num zoom levels correctly calcuated: " + msg);
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}
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</script>
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</head>
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<body>
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<div id="map"></div>
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</body>
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</html>
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