Форумы GIS-Lab.info

Код: Выделить всё

  function init1(records) {
		var pj_4326 = new OpenLayers.Projection("EPSG:4326");
		var pj_900913 = new OpenLayers.Projection("EPSG:900913");
	var options = {
   projection: pj_900913,
   displayProjection: pj_4326,
   numZoomLevels: 18
};
	map = new OpenLayers.Map('mapdiv', options);
	map.addControl(
        new OpenLayers.Control.MousePosition({
            displayProjection: new OpenLayers.Projection('EPSG:4326')
        })
    	);
        //map = new OpenLayers.Map("mapdiv");
        var mapnik = new OpenLayers.Layer.OSM();
        map.addLayer(mapnik);
	var siteStyle = {
	'fillOpacity':0.2,
	'strokeColor':'#FE2E2E'
	};
        //МАРКЕР выводится правильно
        var lonlat = new OpenLayers.LonLat(40,57).transform(
            pj_4326, // transform from WGS 1984
            pj_900913 // to Spherical Mercator
          );

        var zoom = 13;
        var markers = new OpenLayers.Layer.Markers( "Markers" );
        map.addLayer(markers);
        markers.addMarker(new OpenLayers.Marker(lonlat));
	var pole = new OpenLayers.Layer.Vector( "Pole" );
	map.addLayer(pole);

  //for (var i = 0; i < records.length; i++) {
    for (var i = 0; i < 10; i++) {
    var record = records[i];
    if (record.shapeType == ShpType.SHAPE_POLYGON || record.shapeType == ShpType.SHAPE_POLYLINE) {
      var shp = record.shape;
      for (var j = 0; j < shp.rings.length; j++) {
        var ring = shp.rings[j];
        if (ring.length < 1) continue;

	var sitePoints = [];
        
        for (var k = 0; k < ring.length; k++) {
                //ВЕРШИНЫ полигонов считаны из shp-файла, в градусах. Выводятся не правильно!
		var point = new OpenLayers.Geometry.Point(ring[k].x, ring[k].y);
		document.getElementById('label').innerHTML=ring[k].x;
		sitePoints.push(point);
          
        }
	sitePoints.push(sitePoints[0]);
	var linearRing = new OpenLayers.Geometry.LinearRing(sitePoints);
	var geometry = new OpenLayers.Geometry.Polygon([linearRing]);
	var polygonFeature = new OpenLayers.Feature.Vector(geometry, null, siteStyle);
        pole.addFeatures([polygonFeature]);
		
      }
    }
  }

	map.addControl(new OpenLayers.Control.LayerSwitcher());
        map.setCenter(lonlat, zoom);
      }

Код: Выделить всё

var lonlat = new OpenLayers.LonLat(40,57).transform(
            pj_4326, // transform from WGS 1984
            pj_900913 // to Spherical Mercator
          );

Код: Выделить всё

var point = new OpenLayers.Geometry.Point(ring[k].x, ring[k].y);

Код: Выделить всё

var point = new OpenLayers.Geometry.Point(ring[k].x, ring[k].y).transform(
new OpenLayers.Projection("EPSG:32637"),
new OpenLayers.Projection("EPSG:900913"));

Код: Выделить всё

var point = new OpenLayers.Geometry.Point(ring[k].x, ring[k].y).transform(
new OpenLayers.Projection("EPSG:32637"),
new OpenLayers.Projection("EPSG:900913"));

Код: Выделить всё

var point = new OpenLayers.Geometry.Point(ring[k].y, ring[k].x);

Код: Выделить всё

Proj4js.defs["EPSG:32637"]="+proj=utm +zone=37 +ellps=WGS84 +datum=WGS84 +units=m +no_defs";

var lonlat = new OpenLayers.Geometry.Point(36.5, 50.5);
console.log('Input coordinates: ' + lonlat.toString());

lonlat.transform(new OpenLayers.Projection('EPSG:4326'), new OpenLayers.Projection('EPSG:32637'));
console.log('4326 -> 32637: ' + lonlat.toString());

lonlat.transform(new OpenLayers.Projection('EPSG:32637'), new OpenLayers.Projection('EPSG:4326'));
console.log('32637 -> 4326: ' + lonlat.toString());

Код: Выделить всё

Input coordinates: POINT(36.5 50.5)
4326 -> 32637: POINT(322708.0339315607 5597210.83080934)
32637 -> 4326: POINT(36.49999999852607 50.49999999995558)

Код: Выделить всё

map.addLayer(new OpenLayers.Layer.Vector("Pole", {
    strategies: [   new OpenLayers.Strategy.Fixed()],
    protocol:       new OpenLayers.Protocol.HTTP({
        url: "thematicmapping/1.gml",
        format: gml_format
    }),
    styleMap: RegionsStyles,
    visibility: true
}));