+++ /dev/null
-var panes = {
- mapL: {},
- mapLL: {},
- mapR: {}
-};
-
-ProjPane = Class.create();
-ProjPane.prototype = {
- id: null,
- map: null,
- proj: null,
-
- initialize: function(pane, code) {
- this.id = pane;
- if (code) this.setProj(code);
- },
-
- updateCoords: function(coords) {
- document.getElementById(this.id+'_coords').innerHTML = coords.toString();
- var pt = this.map.getLayerPxFromLonLat(coords);
- this.marker.moveTo(pt);
- },
-
- setProj: function(code) {
- document.getElementById(this.id+'_proj').value = code;
-
- this.proj = new Proj4js.Proj(code);
- var mapDef = Proj4js.maps[this.proj.srsCode];
-
- if (this.map) this.map.destroy();
- this.map = new OpenLayers.Map(this.id, mapDef.mapOptions);
- this.mapLayer = new OpenLayers.Layer.WMS(mapDef.layerName, mapDef.layerUrl, mapDef.layerParams, mapDef.layerOptions);
- this.map.addLayer(this.mapLayer);
-
- this.map.addLayer(new OpenLayers.Layer.Markers(''));
- this.marker = new OpenLayers.Marker(new OpenLayers.LonLat(0,0));
- this.map.layers[1].addMarker(this.marker);
- this.marker.map = this.map;
- if (window.bounds) {
- this.map.addLayer(new OpenLayers.Layer.Boxes());
- this.map.layers[2].addMarker(new OpenLayers.Marker.Box(bounds));
- this.map.setCenter(bounds.getCenterLonLat());
- } else {
- this.map.zoomToMaxExtent();
- }
- this.map.events.register('click', this.map, this.mapClicked.bind(this));
-
- document.getElementById(this.id+'_units').innerHTML = this.proj.units;
- document.getElementById(this.id+'_title').innerHTML = this.proj.title;
- document.getElementById(this.id+'_class').innerHTML = this.proj.projName;
- },
-
- mapClicked: function(ev) {
- var olc = this.map.getLonLatFromViewPortPx(ev.xy);
- c = new Proj4js.Point(olc.lon, olc.lat);
- this.updateCoords(c);
-
- if (this.opposite && this.opposite.proj) {
- var newCoords = this.proj.transform(c, this.opposite.proj);
- this.opposite.updateCoords(newCoords);
- }
- if (this.common) {
- var newCoords = this.proj.inverse(c);
- this.common.updateCoords(newCoords);
- }
- if (this.projected1 && this.projected1.proj) {
- var newCoords = this.projected1.proj.forward(c);
- this.projected1.updateCoords(newCoords);
- }
- if (this.projected2 && this.projected2.proj) {
- var newCoords = this.projected2.proj.forward(c);
- this.projected2.updateCoords(newCoords);
- }
- }
-};
-
-
-function init() {
- panes['mapLL'] = new ProjPane('mapLL',Proj4js.defaultDatum);
- panes['mapL'] = new ProjPane('mapL');
- panes['mapR'] = new ProjPane('mapR');
-
- panes['mapLL'].projected1 = panes['mapL'];
- panes['mapLL'].projected2 = panes['mapR'];
- panes['mapL'].opposite = panes['mapR'];
- panes['mapR'].opposite = panes['mapL'];
- panes['mapL'].common = panes['mapLL'];
- panes['mapR'].common = panes['mapLL'];
-
-};
-