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<html> |
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<head> |
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<script src="../../lib/OpenLayers.js"></script> |
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<script type="text/javascript"><!-- |
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var map; |
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function test_01_Control_ScaleLine_constructor (t) { |
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t.plan( 2 ); |
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control = new OpenLayers.Control.ScaleLine(); |
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t.ok( control instanceof OpenLayers.Control.ScaleLine, "new OpenLayers.Control returns object" ); |
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t.eq( control.displayClass, "olControlScaleLine", "displayClass is correct" ); |
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} |
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function test_02_Control_ScaleLine_initwithelem (t) { |
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t.plan( 1 ); |
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control = new OpenLayers.Control.ScaleLine({"div":OpenLayers.Util.getElement('ScaleLine')}); |
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t.ok(true, "If this happens, then we passed. (FF throws an error above otherwise)"); |
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} |
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function test_04_Control_ScaleLine_calcDegrees (t) { |
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t.plan(5); |
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control = new OpenLayers.Control.ScaleLine(); |
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t.ok( control instanceof OpenLayers.Control.ScaleLine, "new OpenLayers.Control returns object" ); |
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map = new OpenLayers.Map('map'); |
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layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'}); |
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map.addLayer(layer); |
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map.zoomTo(0); |
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map.addControl(control); |
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t.eq(control.div.firstChild.style.visibility, "visible", "top scale is present."); |
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t.eq(control.div.lastChild.style.visibility, "visible", "bottom scale is present."); |
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t.eq(control.div.firstChild.innerHTML, "10000 km", "top scale has correct text."); |
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t.eq(control.div.lastChild.innerHTML, "5000 mi", "bottom scale has correct text."); |
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} |
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function test_05_Control_ScaleLine_calcsOther (t) { |
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t.plan(5); |
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control = new OpenLayers.Control.ScaleLine(); |
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t.ok( control instanceof OpenLayers.Control.ScaleLine, "new OpenLayers.Control returns object" ); |
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map = new OpenLayers.Map('map'); |
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map.units = "mi"; |
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layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'}); |
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map.addLayer(layer); |
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map.zoomTo(0); |
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map.addControl(control); |
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t.eq(control.div.firstChild.style.visibility, "visible", "top scale is present."); |
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t.eq(control.div.lastChild.style.visibility, "visible", "bottom scale is present."); |
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t.eq(control.div.firstChild.innerHTML, "100 km", "top scale has correct text."); |
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t.eq(control.div.lastChild.innerHTML, "100 mi", "bottom scale has correct text."); |
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} |
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function test_06_Control_ScaleLine_calcMeters (t) { |
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t.plan(5); |
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// this example is taken from the projected-map.html OpenLayers example |
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var lat = 900863; |
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var lon = 235829; |
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var zoom = 6; |
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var map, layer; |
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map = new OpenLayers.Map( 'map' ); |
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var basemap = new OpenLayers.Layer.WMS( "Boston", |
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"http://boston.freemap.in/cgi-bin/mapserv?", |
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{ |
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map: '/www/freemap.in/boston/map/gmaps.map', |
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layers: 'border,water,roads,rapid_transit,buildings', |
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format: 'png', |
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transparent: 'off' |
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}, |
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|
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{ |
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maxExtent: new OpenLayers.Bounds(33861, 717605, 330846, 1019656), |
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maxResolution: 296985/1024, |
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projection:"EPSG:2805", // Used in WMS/WFS requests. |
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units: "m" // Only neccesary for working with scales. |
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} ); |
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|
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map.addLayer(basemap); |
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map.setCenter(new OpenLayers.LonLat(lon, lat), zoom); |
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map.addControl(new OpenLayers.Control.LayerSwitcher()); |
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control = new OpenLayers.Control.ScaleLine(); |
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t.ok( control instanceof OpenLayers.Control.ScaleLine, "new OpenLayers.Control returns object" ); |
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map.addControl(control); |
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t.eq(control.div.firstChild.style.visibility, "visible", "top scale is present."); |
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t.eq(control.div.lastChild.style.visibility, "visible", "bottom scale is present."); |
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t.eq(control.div.firstChild.innerHTML, "20000 km", "top scale has correct text."); |
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t.eq(control.div.lastChild.innerHTML, "20000 mi", "bottom scale has correct text."); |
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|
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} |
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function test_07_Control_ScaleLine_useArguments (t) { |
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t.plan(5); |
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control = new OpenLayers.Control.ScaleLine({topOutUnits: 'dd'} ); |
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t.ok( control instanceof OpenLayers.Control.ScaleLine, "new OpenLayers.Control returns object" ); |
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map = new OpenLayers.Map('map'); |
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layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'}); |
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map.addLayer(layer); |
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map.zoomTo(0); |
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map.addControl(control); |
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t.eq(control.div.firstChild.style.visibility, "visible", "top scale is present."); |
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t.eq(control.div.lastChild.style.visibility, "visible", "bottom scale is present."); |
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t.eq(control.div.firstChild.innerHTML, "100 dd", "top scale has correct text."); |
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t.eq(control.div.lastChild.innerHTML, "5000 mi", "bottom scale has correct text."); |
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} |
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function test_08_Control_ScaleLine_respectZoom (t) { |
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t.plan(5); |
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// ok, switch the units we use for zoomed in values. This will test that we're both |
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// correctly respecting all specified parameters and that we're switching to the |
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// "in" units when zoomed in |
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control = new OpenLayers.Control.ScaleLine({topOutUnits : "mi", bottomOutUnits: "km", topInUnits: 'ft', bottomInUnits: 'm'}); |
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t.ok( control instanceof OpenLayers.Control.ScaleLine, "new OpenLayers.Control returns object" ); |
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map = new OpenLayers.Map('map'); |
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layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'}); |
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map.addLayer(layer); |
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map.zoomTo(0); |
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map.addControl(control); |
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t.eq(control.div.firstChild.innerHTML, "5000 mi", "top scale respects constructor parameter."); |
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t.eq(control.div.lastChild.innerHTML, "10000 km", "bottom scale respects constructor parameter."); |
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map.zoomIn(); |
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map.zoomIn(); |
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map.zoomIn(); |
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map.zoomIn(); |
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map.zoomIn(); |
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map.zoomIn(); |
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map.zoomIn(); |
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map.zoomIn(); |
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map.zoomIn(); |
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map.zoomIn(); |
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map.zoomIn(); |
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t.eq(control.div.firstChild.innerHTML, "10000 ft", "top scale zooms in & respects constructor parameter."); |
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t.eq(control.div.lastChild.innerHTML, "5000 m", "bottom scale zooms in & respects constructor parameter."); |
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} |
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--> |
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</script> |
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</head> |
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<body> |
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<a id="ScaleLine" href="">ScaleLine</a> <br /> |
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<div id="map" style="width: 1024px; height: 512px;"/> |
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</body> |
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</html> |
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