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<html>
<head>
<script src="../OLLoader.js"></script>
<script type="text/javascript">
var poly_content = '{"type": "FeatureCollection", "features": [{"geometry": {"type": "Polygon", "coordinates": [[[-131.484375, -5.9765625], [-112.5, -58.0078125], [-32.34375, -50.2734375], [-114.609375, 52.3828125], [-167.34375, -35.5078125], [-146.953125, -57.3046875], [-139.921875, -34.1015625], [-131.484375, -5.9765625]]]}, "type": "Feature", "id": 562, "properties": {"strokeColor": "red", "title": "Feature 2", "author": "Your Name Here"}}]}';
var null_geom_feature = '{"type":"Feature","properties":{"strokeColor":"blue","title":"Feature 5","author":"Your Name Here"},"geometry":null,"id":573}';
var point_feature = '{"geometry": {"type": "Point", "coordinates": [94.21875, 72.94921875]}, "type": "Feature", "id": 573, "properties": {"strokeColor": "blue", "title": "Feature 5", "author": "Your Name Here"}}';
var line_feature = '{"type": "FeatureCollection", "features": [{"geometry": {"type": "LineString", "coordinates": [[-27.0703125, 59.4140625], [-77.6953125, 20.7421875], [30.5859375, -36.2109375], [67.1484375, 34.8046875]]}, "type": "Feature", "id": 559, "properties": {"strokeColor": "red", "title": "Feature 1", "author": "Your Name Here"}}]}';
var multiple_features = '{"type": "FeatureCollection", "features": [{"geometry": {"type": "Point", "coordinates": [-91.0546875, 43.9453125]}, "type": "Feature", "id": 577, "properties": {"strokeColor": "red", "title": "Feature 2", "image": "foo.gif", "author": "Your Name Here"}}, {"geometry": {"type": "LineString", "coordinates": [[91.40625, -1.40625], [116.015625, -42.890625], [153.28125, -28.125], [108.984375, 11.25], [75.234375, 8.4375], [76.640625, 9.140625], [67.5, -36.5625], [67.5, -35.859375]]}, "type": "Feature", "id": 576, "properties": {"strokeColor": "red", "title": "Feature 1", "author": "Your Name Here"}}, {"geometry": {"type": "Point", "coordinates": [139.5703125, 57.48046875]}, "type": "Feature", "id": 575, "properties": {"strokeColor": "blue", "title": "Feature 7", "author": "Your Name Here"}}, {"geometry": {"type": "Point", "coordinates": [107.2265625, 82.44140625]}, "type": "Feature", "id": 574, "properties": {"strokeColor": "blue", "title": "Feature 6", "author": "Your Name Here"}}, {"geometry": {"type": "Point", "coordinates": [94.21875, 72.94921875]}, "type": "Feature", "id": 573, "properties": {"strokeColor": "blue", "title": "Feature 5", "author": "Your Name Here"}}, {"geometry": {"type": "Point", "coordinates": [116.3671875, 61.69921875]}, "type": "Feature", "id": 572, "properties": {"strokeColor": "blue", "title": "Feature 4", "author": "Your Name Here"}}, {"geometry": {"type": "Point", "coordinates": [145.8984375, 73.65234375]}, "type": "Feature", "id": 571, "properties": {"strokeColor": "blue", "title": "Feature 3", "author": "Your Name Here"}}, {"geometry": {"type": "Polygon", "coordinates": [[[32.34375, 52.20703125], [87.1875, 70.13671875], [122.6953125, 37.44140625], [75.234375, 42.36328125], [40.078125, 42.36328125], [28.828125, 48.33984375], [18.6328125, 56.77734375], [23.203125, 65.56640625], [32.34375, 52.20703125]]]}, "type": "Feature", "id": 570, "properties": {"strokeColor": "blue", "title": "Feature 2", "author": "Your Name Here"}}, {"geometry": {"type": "Point", "coordinates": [62.578125, -53.4375]}, "type": "Feature", "id": 569, "properties": {"strokeColor": "red", "title": "Feature 3", "author": "Your Name Here"}}, {"geometry": {"type": "Point", "coordinates": [121.640625, 16.875]}, "type": "Feature", "id": 568, "properties": {"strokeColor": "red", "title": "Feature 6", "author": "Your Name Here"}}, {"geometry": {"type": "Point", "coordinates": [135.703125, 8.4375]}, "type": "Feature", "id": 567, "properties": {"strokeColor": "red", "title": "Feature 4", "author": "Your Name Here"}}, {"geometry": {"type": "Point", "coordinates": [137.109375, 48.515625]}, "type": "Feature", "id": 566, "properties": {"strokeColor": "red", "title": "Feature 274", "author": "Your Name Here"}}, {"geometry": {"type": "Point", "coordinates": [0, 5]}, "type": "Feature", "id": 565, "properties": {}}, {"geometry": {"type": "Point", "coordinates": [0, 5]}, "type": "Feature", "id": 564, "properties": {}}, {"geometry": {"type": "Point", "coordinates": [0, 5]}, "type": "Feature", "id": 563, "properties": {}}, {"geometry": {"type": "Polygon", "coordinates": [[[-131.484375, -5.9765625], [-112.5, -58.0078125], [-32.34375, -50.2734375], [-114.609375, 52.3828125], [-167.34375, -35.5078125], [-146.953125, -57.3046875], [-139.921875, -34.1015625], [-131.484375, -5.9765625]]]}, "type": "Feature", "id": 562, "properties": {"strokeColor": "red", "title": "Feature 2", "author": "Your Name Here"}}, {"geometry": {"type": "Point", "coordinates": [48.8671875, -15.8203125]}, "type": "Feature", "id": 560, "properties": {"strokeColor": "red", "title": "Feature 2", "author": "Your Name Here"}}, {"geometry": {"type": "LineString", "coordinates": [[-27.0703125, 59.4140625], [-77.6953125, 20.7421875], [30.5859375, -36.2109375], [67.1484375, 34.8046875]]}, "type": "Feature", "id": 559, "properties": {"strokeColor": "red", "title": "Feature 1", "author": "Your Name Here"}}, {"geometry": {"type": "Point", "coordinates": [12.65625, 16.5234375]}, "type": "Feature", "id": 558, "properties": {"styleUrl": "#allstyle", "title": "Feature 1", "strokeColor": "red", "author": "Your Name Here"}}]}';
var parser = new OpenLayers.Format.GeoJSON();
var data;
function test_Format_GeoJSON_constructor(t) {
t.plan(4);
var options = {'foo': 'bar'};
var format = new OpenLayers.Format.GeoJSON(options);
t.ok(format instanceof OpenLayers.Format.GeoJSON,
"new OpenLayers.Format.GeoJSON returns object" );
t.eq(format.foo, "bar", "constructor sets options correctly");
t.eq(typeof format.read, "function", "format has a read function");
t.eq(typeof format.write, "function", "format has a write function");
}
function test_Format_GeoJSON_null_geom(t) {
t.plan(2);
var f = new OpenLayers.Format.GeoJSON();
var fs = f.read(null_geom_feature);
t.ok(fs[0].geometry == null, "Reading feature with null geom works okay");
t.eq(f.write(fs[0]), null_geom_feature, "round trip null okay");
}
function test_Format_GeoJSON_valid_type(t) {
t.plan(14);
OpenLayers.Console.error = function(error) { window.global_error = error;};
var types = ["Point", "MultiPoint", "LineString", "MultiLineString", "Polygon", "MultiPolygon", "Box", "GeometryCollection"];
for (var i = 0; i < types.length; i++) {
t.ok(parser.isValidType({'type':types[i]}, "Geometry"), "Geometry with type " + types[i] + " is valid");
}
t.ok(!parser.isValidType({'type':"foo"}, "Geometry"), "Geometry with type foo is not valid");
t.eq(global_error, "Unsupported geometry type: foo", "error message set correctly for 'foo' geom.");
t.ok(parser.isValidType({}, "FeatureCollection"), "Feature collection type is always valid");
t.ok(parser.isValidType({'type':"GeometryCollection"}, "GeometryCollection"), "Geometry Collection type is valid");
t.ok(!parser.isValidType({'type':"GeometryCollection2"}, "GeometryCollection"), "Geometry Collection 2 type is invalid");
t.eq(global_error, "Cannot convert types from GeometryCollection2 to GeometryCollection", "error message set correctly for bad geometrycollection type");
}
function test_Format_GeoJSON_point(t) {
t.plan(3);
data = parser.read(point_feature);
t.eq(data[0].fid, 573, "Fid is correct on point feature");
t.eq(data[0].geometry.x, 94.21875, 'Reading point feature gives correct x');
data = parser.read(point_feature, "Feature");
t.eq(data.fid, 573, 'Reading point feature with type gives feature instead of array of features ');
}
function test_Format_GeoJSON_line(t) {
t.plan(5);
data = parser.read(line_feature);
t.eq(data[0].fid, 559, "Fid is correct on line feature");
t.eq(data[0].geometry.components.length, 4, 'Reading line feature gives correct length');
t.eq(data[0].geometry.CLASS_NAME, 'OpenLayers.Geometry.LineString', 'Reading line feature gives correct class');
t.eq(data[0].geometry.components[0].x, -27.0703125, 'Reading line feature gives correct x');
t.eq(data[0].geometry.components[0].y, 59.4140625, 'Reading line feature gives correct y');
}
function test_Format_GeoJSON_poly(t) {
t.plan(2);
data = parser.read(poly_content);
t.eq(data[0].fid, 562, "poly id is correct");
t.eq(data[0].geometry.components[0].components.length, 8,
'Reading polygon first ring on feature from featurecollection gives correct length');
}
function test_Format_GeoJSON_multipoint(t) {
t.plan(5);
var multipoint = {
"type": "MultiPoint",
"coordinates": [
[100.0, 0.0], [101.0, 1.0]
]
};
data = parser.read(multipoint, "Geometry");
t.eq(data.components.length, 2,
"Right number of components");
t.eq(data.components[0].CLASS_NAME, "OpenLayers.Geometry.Point", "First component is point");
t.eq(data.components[1].CLASS_NAME, "OpenLayers.Geometry.Point", "Second component is point");
t.eq(data.components[1].x, 101, "x of second component is right");
t.eq(data.components[1].y, 1, "y of second component is right");
}
function test_Format_GeoJSON_multipoint_projected(t) {
t.plan(1);
var f = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.MultiPoint([
new OpenLayers.Geometry.Point(15555162, 4247484)]));
var format = new OpenLayers.Format.GeoJSON({
internalProjection: new OpenLayers.Projection("EPSG:900913"),
externalProjection: new OpenLayers.Projection("EPSG:4326")
});
var data = format.write(f);
var found = (data.search('139.734') != -1);
t.ok(found, "Found 139.734 (correct reprojection) in data output.");
}
function test_Format_GeoJSON_multiline(t) {
t.plan(3);
var multiline = {
"type": "MultiLineString",
"coordinates": [
[ [100.0, 0.0], [101.0, 1.0] ],
[ [102.0, 2.0], [103.0, 3.0] ]
]
};
data = parser.read(multiline, "Geometry");
t.eq(data.CLASS_NAME, "OpenLayers.Geometry.MultiLineString", "Correct class retrieved");
t.eq(data.components[0].components[0].CLASS_NAME, "OpenLayers.Geometry.Point", "correct type of components");
t.eq(data.components[0].CLASS_NAME, "OpenLayers.Geometry.LineString", "correct type of components");
}
function test_Format_GeoJSON_multipol(t) {
t.plan(2);
var multipol = {
"type": "MultiPolygon",
"coordinates": [
[
[ [102.0, 2.0], [103.0, 2.0], [103.0, 3.0], [102.0, 3.0], [102.0, 2.0] ]
],
[
[ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ],
[ [100.2, 0.2], [100.8, 0.2], [100.8, 0.8], [100.2, 0.8], [100.2, 0.2] ]
]
]
};
OpenLayers.Console.error = function(error) { window.global_error = error; };
data = parser.read(multipol, "Geometry");
t.eq(data.CLASS_NAME, "OpenLayers.Geometry.MultiPolygon", "Correct class retrieved");
t.eq(data.components[1].components[0].components[0].CLASS_NAME, "OpenLayers.Geometry.Point", "correct type of components");
}
function test_Format_GeoJSON_box(t) {
t.plan(6);
var box = {
"type": "Box",
"coordinates": [[100.0, 0.0], [101.0, 1.0]]
};
var poly = parser.read(box, "Geometry");
t.eq(poly.CLASS_NAME, "OpenLayers.Geometry.Polygon", "Box creates polygon");
t.eq(poly.components[0].components[1].x, 101, "x of lower right is correct");
t.eq(poly.components[0].components[1].y, 0, "y of lower right is correct");
t.eq(poly.components[0].components[3].x, 100, "x of upper left is correct");
t.eq(poly.components[0].components[3].y, 1, "y of upper left is correct");
box = parser.write(poly );
t.ok(box.search("Polygon") != -1 , "Serializes back to polygon");
}
// This test is from the geom_collection example on geojson spec.
function test_Format_GeoJSON_collection(t) {
t.plan(12);
var geomcol = {
"type": "GeometryCollection",
"geometries": [
{
"type": "Point",
"coordinates": [100.0, 0.0]
},
{
"type": "LineString",
"coordinates": [
[101.0, 0.0], [102.0, 1.0]
]
}
]
};
data = parser.read(geomcol, "Geometry");
t.eq(data.CLASS_NAME, "OpenLayers.Geometry.Collection",
"GeometryCollection deserialized into geometry.collection");
t.eq(data.components[0].CLASS_NAME, "OpenLayers.Geometry.Point",
"First geom is correct type");
t.eq(data.components[0].x, 100,
"First geom in geom collection has correct x");
t.eq(data.components[0].y, 0,
"First geom in geom collection has correct x");
t.eq(data.components[1].CLASS_NAME, "OpenLayers.Geometry.LineString",
"Second geom in geom collection is point linestring");
t.eq(data.components[1].components.length, 2,
"linestring is correct length");
t.eq(data.components[1].components[1].x, 102,
"linestring is correct x end");
t.eq(data.components[1].components[1].y, 1,
"linestring is correct y end");
data = parser.read(geomcol, "FeatureCollection");
t.eq(data[0].CLASS_NAME, "OpenLayers.Feature.Vector",
"GeometryCollection can be read in as a feature collection");
t.eq(data[0].geometry.CLASS_NAME, "OpenLayers.Geometry.Collection",
"feature contains the correct geometry type");
var feature = {
"type": "Feature",
"geometry": {
"type": "GeometryCollection",
"geometries": [
{
"type": "Point",
"coordinates": [100.0, 0.0]
},
{
"type": "LineString",
"coordinates": [
[101.0, 0.0], [102.0, 1.0]
]
}
]
},
"properties": {
"prop0": "value0",
"prop1": "value1"
}
};
data = parser.read(feature, "Feature");
t.eq(data.geometry.CLASS_NAME, "OpenLayers.Geometry.Collection", "Geometry of feature is a collection");
var l = new OpenLayers.Layer.Vector();
l.addFeatures(data);
t.ok(true, "adding a feature with geomcollection to layer doesn't cause error.");
}
function test_Format_GeoJSON_multipleFeatures(t) {
t.plan(2);
var feats = parser.read(multiple_features);
t.eq(feats.length, 19, "parsing a feature collection returns the correct number of features.");
var types = {'Point':0, 'LineString':0, 'Polygon':0};
for(var i = 0; i < feats.length; i++) {
var type = feats[i].geometry.CLASS_NAME.replace("OpenLayers.Geometry.", "");
types[type]++;
}
t.eq(types, {'Point':15, 'Polygon': 2, 'LineString':2}, "Correct number of each type");
}
function test_Format_GeoJSON_writeWithCRS(t) {
t.plan(2);
var feature = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(1,2));
feature.fid = 0;
var output = '{"type":"Feature","properties":{},"geometry":{"type":"Point","coordinates":[1,2]},"id":0,"crs":{"type":"name","properties":{"name":"urn:ogc:def:crs:OGC:1.3:CRS84"}}}';
var layer = new OpenLayers.Layer.Vector();
layer.projection = "EPSG:4326";
feature.layer = layer;
var parser = new OpenLayers.Format.GeoJSON();
var test_out = parser.write(feature);
t.eq(test_out, output, "Output is equal for vector with layer in EPSG:4326 ");
feature.layer.projection = "EPSG:2805";
output = '{"type":"Feature","properties":{},"geometry":{"type":"Point","coordinates":[1,2]},"id":0,"crs":{"type":"name","properties":{"name":"EPSG:2805"}}}';
test_out = parser.write(feature);
t.eq(test_out, output, "Output is equal for vector with point");
}
function test_Format_GeoJSON_write(t) {
t.plan(10);
var line_object = {
"type": "FeatureCollection",
"features": [
{
"geometry": {
"type": "LineString",
"coordinates": [
[-27.0703125, 59.4140625],
[-77.6953125, 20.7421875],
[30.5859375, -36.2109375],
[67.1484375, 34.8046875]
]
},
"type": "Feature",
"id": 559,
"properties": {
"strokeColor": "red",
"title": "Feature 1",
"author": "Your Name Here"
}
}
]
};
data = parser.read(line_object);
out = parser.write(data);
serialized = '{"type":"FeatureCollection","features":[{"type":"Feature","properties":{"strokeColor":"red","title":"Feature 1","author":"Your Name Here"},"geometry":{"type":"LineString","coordinates":[[-27.0703125,59.4140625],[-77.6953125,20.7421875],[30.5859375,-36.2109375],[67.1484375,34.8046875]]},"id":559}]}';
t.eq(out, serialized, "input and output on line collections are the same");
var serialize_tests = [
[
new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(1,2)),
'{"type":"Feature","properties":{},"geometry":{"type":"Point","coordinates":[1,2]},"id":0}'
],
[
new OpenLayers.Geometry.Point(1,2),
'{"type":"Point","coordinates":[1,2]}'
],
[
new OpenLayers.Geometry.MultiPoint([
new OpenLayers.Geometry.Point(1,2)
]),
'{"type":"MultiPoint","coordinates":[[1,2]]}'
],
[
new OpenLayers.Geometry.LineString([
new OpenLayers.Geometry.Point(1,2),
new OpenLayers.Geometry.Point(3,4)
]),
'{"type":"LineString","coordinates":[[1,2],[3,4]]}'
],
[
new OpenLayers.Geometry.Polygon([
new OpenLayers.Geometry.LinearRing([
new OpenLayers.Geometry.Point(1,2),
new OpenLayers.Geometry.Point(3,4),
new OpenLayers.Geometry.Point(5,6)
])
]),
'{"type":"Polygon","coordinates":[[[1,2],[3,4],[5,6],[1,2]]]}'
],
[
new OpenLayers.Geometry.Collection([
new OpenLayers.Geometry.Polygon([
new OpenLayers.Geometry.LinearRing([
new OpenLayers.Geometry.Point(1,2),
new OpenLayers.Geometry.Point(3,4),
new OpenLayers.Geometry.Point(5,6)
])
]),
new OpenLayers.Geometry.LineString([
new OpenLayers.Geometry.Point(1,2),
new OpenLayers.Geometry.Point(3,4)
]),
new OpenLayers.Geometry.Point(1,2)
]),
'{"type":"GeometryCollection","geometries":[{"type":"Polygon","coordinates":[[[1,2],[3,4],[5,6],[1,2]]]},{"type":"LineString","coordinates":[[1,2],[3,4]]},{"type":"Point","coordinates":[1,2]}]}'
]
];
serialize_tests[0][0].fid = 0;
multiline = new OpenLayers.Geometry.MultiLineString([serialize_tests[3][0], serialize_tests[3][0]]);
serialize_tests.push([multiline, '{"type":"MultiLineString","coordinates":[[[1,2],[3,4]],[[1,2],[3,4]]]}']);
multipolygon = new OpenLayers.Geometry.MultiPolygon([serialize_tests[4][0], serialize_tests[4][0]]);
serialize_tests.push([multipolygon, '{"type":"MultiPolygon","coordinates":[[[[1,2],[3,4],[5,6],[1,2]]],[[[1,2],[3,4],[5,6],[1,2]]]]}']);
serialize_tests.push([ [ serialize_tests[0][0] ], '{"type":"FeatureCollection","features":[{"type":"Feature","properties":{},"geometry":{"type":"Point","coordinates":[1,2]},"id":0}]}' ]);
for (var i = 0; i < serialize_tests.length; i++) {
var input = serialize_tests[i][0];
var output = serialize_tests[i][1];
test_out = parser.write(input);
t.eq(test_out, output, "Serializing " + input.toString() + " saved correctly.");
}
}
function test_write_no_fid(t) {
t.plan(4);
var geojson;
var feature = new OpenLayers.Feature.Vector();
feature.fid = null;
geojson = parser.write(feature);
t.eq(geojson, '{"type":"Feature","properties":{},"geometry":null}',
"no id set in the GeoJSON string when fid is null");
feature.fid = undefined;
geojson = parser.write(feature);
t.eq(geojson, '{"type":"Feature","properties":{},"geometry":null}',
"no id set in the GeoJSON string when fid is undefined");
feature.fid = 0;
geojson = parser.write(feature);
t.eq(geojson, '{"type":"Feature","properties":{},"geometry":null,"id":0}',
"id set in the GeoJSON string when fid is 0");
delete feature.fid;
geojson = parser.write(feature);
t.eq(geojson, '{"type":"Feature","properties":{},"geometry":null}',
"id not set in the GeoJSON string when fid is delected");
}
function test_Format_GeoJSON_read_object(t) {
t.plan(1);
var line_object = {
"type": "FeatureCollection",
"features": [
{
"geometry": {
"type": "LineString",
"coordinates": [
[-27.0703125, 59.4140625],
[-77.6953125, 20.7421875],
[30.5859375, -36.2109375],
[67.1484375, 34.8046875]
]
},
"type": "Feature",
"id": 559,
"properties": {
"strokeColor": "red",
"title": "Feature 1",
"author": "Your Name Here"
}
}
]
};
data = parser.read(line_object);
t.eq(data[0].fid, 559, "Can read data from an object correctly.");
}
function test_Format_GeoJSON_read_attributes(t) {
t.plan(3);
var parser = new OpenLayers.Format.GeoJSON();
data = parser.read(line_feature);
t.eq(data[0].attributes['strokeColor'], 'red', 'read strokeColor attribute properly');
t.eq(data[0].attributes['title'], 'Feature 1', 'read title attribute properly');
t.eq(data[0].attributes['author'], 'Your Name Here', 'read author attribute properly');
}
function test_read_bbox(t) {
t.plan(8);
var f;
parser = new OpenLayers.Format.GeoJSON();
// 4 tests
f = '{"geometry": {"type": "Point", "coordinates": [94.21875, 72.94921875], "bbox": [94.21875, 72.94921875, 94.21875, 72.94921875]}, "type": "Feature", "id": 573, "properties": {}, "bbox": [95.0, 73.0]}';
data = parser.read(f);
t.eq(data[0].bounds.left, 94.21875, "read left bound is correct");
t.eq(data[0].bounds.bottom, 72.94921875, "read bottom left bound is correct");
t.eq(data[0].bounds.right, 94.21875, "read right bound is correct");
t.eq(data[0].bounds.top, 72.94921875, "read top left bound is correct");
// 4 tests
f = '{"geometry": {"type": "Point", "coordinates": [94.21875, 72.94921875]}, "type": "Feature", "id": 573, "properties": {}, "bbox": [95.0, 73.0, 96.0, 74.0]}';
data = parser.read(f);
t.eq(data[0].bounds.left, 95.0, "read left bound is correct");
t.eq(data[0].bounds.bottom, 73.0, "read bottom left bound is correct");
t.eq(data[0].bounds.right, 96.0, "read right bound is correct");
t.eq(data[0].bounds.top, 74.0, "read top left bound is correct");
}
function test_Format_GeoJSON_point_extradims(t) {
t.plan(3);
var point_feature_3d = '{"geometry": {"type": "Point", "coordinates": [94.21875, 72.94921875, 0.0]}, "type": "Feature", "id": 573, "properties": {"strokeColor": "blue", "title": "Feature 5", "author": "Your Name Here"}}';
p = new OpenLayers.Format.GeoJSON({"ignoreExtraDims": true});
data = p.read(point_feature_3d);
t.eq(data[0].fid, 573, "Fid is correct on point feature");
t.eq(data[0].geometry.x, 94.21875, 'Reading point feature gives correct x');
data = p.read(point_feature_3d, "Feature");
t.eq(data.fid, 573, 'Reading point feature with type gives feature instead of array of features ');
}
</script>
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