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Diffstat (limited to 'misc/openlayers/examples/polar-projections.js')
-rw-r--r-- | misc/openlayers/examples/polar-projections.js | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/misc/openlayers/examples/polar-projections.js b/misc/openlayers/examples/polar-projections.js deleted file mode 100644 index ac717fb..0000000 --- a/misc/openlayers/examples/polar-projections.js +++ /dev/null @@ -1,84 +0,0 @@ -var map, layer, overlay; - -var projectionOptions = { - 'EPSG:3574': { - projection: new OpenLayers.Projection('EPSG:3574'), - units: 'm', - maxExtent: new OpenLayers.Bounds(-5505054, -5505054, 5505054, 5505054), - maxResolution: 5505054 / 128, - numZoomLevels: 18 - }, - 'EPSG:3576': { - projection: new OpenLayers.Projection('EPSG:3576'), - units: 'm', - maxExtent: new OpenLayers.Bounds(-5505054, -5505054, 5505054, 5505054), - maxResolution: 5505054 / 128, - numZoomLevels: 18 - }, - 'EPSG:3571': { - projection: new OpenLayers.Projection('EPSG:3571'), - units: 'm', - maxExtent: new OpenLayers.Bounds(-5505054, -5505054, 5505054, 5505054), - maxResolution: 5505054 / 128, - numZoomLevels: 18 - }, - 'EPSG:3573': { - projection: new OpenLayers.Projection('EPSG:3573'), - units: 'm', - maxExtent: new OpenLayers.Bounds(-5505054, -5505054, 5505054, 5505054), - maxResolution: 5505054 / 128, - numZoomLevels: 18 - } -}; - -function setProjection() { - projCode = this.innerHTML; - var oldExtent = map.getExtent(); - var oldCenter = map.getCenter(); - var oldProjection = map.getProjectionObject(); - - // map projection is controlled by the base layer - map.baseLayer.addOptions(projectionOptions[projCode]); - - // with the base layer updated, the map has the new projection now - var newProjection = map.getProjectionObject(); - - // transform the center of the old projection, not the extent - map.setCenter( - oldCenter.transform(oldProjection, newProjection, - map.getZoomForExtent(oldExtent.transform(oldProjection, newProjection)) - )); - - for (var i=map.layers.length-1; i>=0; --i) { - // update grid settings - map.layers[i].addOptions(projectionOptions[projCode]); - // redraw layer - just in case center and zoom are the same in old and - // new projection - map.layers[i].redraw(); - } -} - -function init() { - map = new OpenLayers.Map('map'); - layer = new OpenLayers.Layer.WMS( - 'world', - 'http://v2.suite.opengeo.org/geoserver/wms', - {layers: 'world', version: '1.1.1'}, - projectionOptions['EPSG:3574'] - ); - overlay = new OpenLayers.Layer.WMS( - 'world', - 'http://v2.suite.opengeo.org/geoserver/wms', - {transparent: 'true', layers: 'world:borders', styles: 'line'}, - projectionOptions['EPSG:3574'] - ); - overlay.isBaseLayer = false; - map.addLayers([layer, overlay]); - map.zoomToMaxExtent(); - - // add behaviour to dom elements - document.getElementById('epsg3574').onclick = setProjection; - document.getElementById('epsg3576').onclick = setProjection; - document.getElementById('epsg3571').onclick = setProjection; - document.getElementById('epsg3573').onclick = setProjection; -} |