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tampere.js
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var gdal = require('gdal');
var request = require('request');
// child_process.spawn('gdaltransform') -s
var tampereOpenDataSets = [
{
internal_name: "cp",
name: "opendata:KESKUSTAN_PYSAKOINTI_VIEW",
path: "tampere_wfs_geoserver/opendata/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "bp",
name: "opendata:PYORAPARKIT_VIEW",
path: "tampere_wfs_geoserver/opendata/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "dp",
name: "opendata:WFS_KOIRAPUISTO_MVIEW",
path: "tampere_wfs_geoserver/opendata/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "bs",
name: "tampere_ora:BUSSIPYSAKIT",
path: "tampere_wfs_geoserver/tampere_ora/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "bd",
name: "tampere_iris:WFS_LAITURIPAIKKA",
path: "tampere_wfs_geoserver/tampere_iris/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "rbd",
name: "opendata:WFS_SOUTUVENERANTA",
path: "tampere_wfs_geoserver/opendata/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "ws",
name: "tampere_iris:WFS_TALVILIUKUPAIKKA",
path: "tampere_wfs_geoserver/tampere_iris/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "pf",
name: "opendata:WFS_KENTTA_MVIEW",
path: "tampere_wfs_geoserver/opendata/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "sa",
name: "opendata:WFS_RULLALAUTAILUALUE_MVIEW",
path: "tampere_wfs_geoserver/opendata/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "pg",
name: "opendata:WFS_LEIKKIPAIKKA_MVIEW",
path: "tampere_wfs_geoserver/opendata/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "es",
name: "opendata:KOULUT",
path: "tampere_wfs_geoserver/opendata/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "dc",
name: "opendata:PAIVAKODIT",
path: "tampere_wfs_geoserver/opendata/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "t",
name: "opendata:WFS_ROSKIS",
path: "tampere_wfs_geoserver/opendata/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "sl",
name: "opendata:WFS_KATUVALO",
path: "tampere_wfs_geoserver/opendata/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "tls",
name: "opendata:WFS_LIIKENNEVALO_ILMAISIN",
path: "tampere_wfs_geoserver/opendata/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "b",
name: "tampere_iris:WFS_SILTA",
path: "tampere_wfs_geoserver/tampere_iris/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "tlj",
name: "opendata:WFS_LIIKENNEVALO_LIITTYMA",
path: "tampere_wfs_geoserver/opendata/ows",
server: "http://tampere.navici.com/"
},
{
internal_name: "hh",
name: "opendata:HAMMASHOITOLAT",
path: "tampere/opendata/ows",
server: "http://opendata.navici.com/"
},
{
internal_name: "tk",
name: "opendata:KIRJASTOT",
path: "tampere/opendata/ows",
server: "http://opendata.navici.com/"
},
{
internal_name: "tn",
name: "opendata:NEUVOLAT",
path: "tampere/opendata/ows",
server: "http://opendata.navici.com/"
},
{
internal_name: "tnu",
name: "opendata:NUORTEN_TILAT",
path: "tampere/opendata/ows",
server: "http://opendata.navici.com/"
},
{
internal_name: "ter",
name: "opendata:TERVEYSASEMAT",
path: "tampere/opendata/ows",
server: "http://opendata.navici.com/"
},
{
internal_name: "ui",
name: "opendata:UIMAHALLIT",
path: "tampere/opendata/ows",
server: "http://opendata.navici.com/"
}
];
var wgs84 = gdal.SpatialReference.fromEPSG(4326);
var gk24 = gdal.SpatialReference.fromEPSG(3878);
var coord_transform = new gdal.CoordinateTransformation(wgs84, gk24);
exports.getTreJSONData = function getTreJSONData(req, res) {
var typeName = undefined;
var path = undefined;
var server = undefined;
for (var i = 0; i < tampereOpenDataSets.length; i++) {
if (req.query.dataSetName == tampereOpenDataSets[i].internal_name) {
typeName = tampereOpenDataSets[i].name;
path = tampereOpenDataSets[i].path;
server = tampereOpenDataSets[i].server;
break;
}
}
if (typeName != undefined) {
var point_orig = {
x: parseFloat(req.query.lon),
y: parseFloat(req.query.lat)
}
var pt_gk24 = coord_transform.transformPoint(point_orig);
//console.log ("pt_gk24 - lng: " + pt_gk24.x + ", lat: " + pt_gk24.y);
//console.log(req.query.sizeFilter);
var sizeFilter = JSON.parse(req.query.sizeFilter);
//console.log(sizeFilter);
if (sizeFilter.radius != undefined) { // circle
// http://tampere.navici.com/tampere_wfs_geoserver/opendata/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=opendata:KESKUSTAN_PYSAKOINTI_VIEW&outputFormat=json&srsName=EPSG:4326&Filter=%3CFilter%20xmlns:gml=%22http://www.opengis.net/gml%22%3E%3CDWithin%3E%3CPropertyName%3Eopendata:GEOLOC%3C/PropertyName%3E%3Cgml:Point%3E%3Cgml:coordinates%3E24486813.517,6821119.113%3C/gml:coordinates%3E%3C/gml:Point%3E%3CDistance%3E1000%3C/Distance%3E%3C/DWithin%3E%3C/Filter%3E
// Filter=<Filter xmlns:gml="http://www.opengis.net/gml"><DWithin><PropertyName>opendata:GEOLOC</PropertyName><gml:Point><gml:coordinates>24486813.517,6821119.113</gml:coordinates></gml:Point><Distance>1000<Distance></DWithin></Filter>
//console.log('http://tampere.navici.com/' + path + '?service=WFS&version=1.0.0&request=GetFeature&typeName=' + typeName + '&outputFormat=json&srsName=EPSG:4326&Filter=%3CFilter%20xmlns:gml=%22http://www.opengis.net/gml%22%3E%3CDWithin%3E%3CPropertyName%3Eopendata:GEOLOC%3C/PropertyName%3E%3Cgml:Point%3E%3Cgml:coordinates%3E' + pt_gk24.x + ',' + pt_gk24.y + '%3C/gml:coordinates%3E%3C/gml:Point%3E%3CDistance%3E' + sizeFilter.radius + '%3C/Distance%3E%3C/DWithin%3E%3C/Filter%3E');
request(server + path + '?service=WFS&version=1.0.0&request=GetFeature&typeName=' + typeName + '&outputFormat=json&srsName=EPSG:4326&Filter=%3CFilter%20xmlns:gml=%22http://www.opengis.net/gml%22%3E%3CDWithin%3E%3CPropertyName%3Eopendata:GEOLOC%3C/PropertyName%3E%3Cgml:Point%3E%3Cgml:coordinates%3E' + pt_gk24.x + ',' + pt_gk24.y + '%3C/gml:coordinates%3E%3C/gml:Point%3E%3CDistance%3E' + sizeFilter.radius + '%3C/Distance%3E%3C/DWithin%3E%3C/Filter%3E', function (error, response, body) {
if (error) {
return console.log('ERROR: ', error);
// TODO better
}
else if (!error && response.statusCode == 200) {
//console.log(body)
res.json(body);
}
else {
// TODO
}
});
} else if (sizeFilter.east != undefined ) { // rectangle
var point_orig_sw = {
x: sizeFilter.west,
y: sizeFilter.south
}
var pt_gk24_sw = coord_transform.transformPoint(point_orig_sw);
var point_orig_ne = {
x: sizeFilter.east,
y: sizeFilter.north
}
var pt_gk24_ne = coord_transform.transformPoint(point_orig_ne);
request(server + path + '?service=WFS&version=1.0.0&request=GetFeature&typeName=' + typeName + '&outputFormat=json&srsName=EPSG:4326&bbox=' + pt_gk24_sw.x + ',' + pt_gk24_sw.y + ',' + pt_gk24_ne.x + ',' + pt_gk24_ne.y, function (error, response, body) {
if (error) {
return console.log('ERROR: ', error);
// TODO better
}
else if (!error && response.statusCode == 200) {
//console.log(body)
res.json(body);
}
else {
console.log("response.statusCode: " + response.statusCode);
// TODO
}
});
}
else { // no filter
// TODO
}
}
else {
// TODO
}
}