URL WMSLayer::getFeatureInfoURL(const Geodetic2D& position,
const Sector& tileSector) const {
if (!_sector.touchesWith(tileSector)) {
return URL::nullURL();
}
const Sector sector = tileSector.intersection(_sector);
//Server name
std::string req = _queryServerURL.getPath();
if (req[req.size()-1] != '?') {
req += '?';
}
//If the server refer to itself as localhost...
int pos = req.find("localhost");
if (pos != -1) {
req = req.substr(pos+9);
int pos2 = req.find("/", 8);
std::string newHost = req.substr(0, pos2);
req = newHost + req;
}
req += "REQUEST=GetFeatureInfo&SERVICE=WMS";
//SRS
if (_srs != "") {
req += "&SRS=" + _srs;
}
else {
req += "&SRS=EPSG:4326";
}
switch (_queryServerVersion) {
case WMS_1_3_0:
{
req += "&VERSION=1.3.0";
IStringBuilder* isb = IStringBuilder::newStringBuilder();
isb->addString("&WIDTH=");
isb->addInt(_parameters->_tileTextureResolution._x);
isb->addString("&HEIGHT=");
isb->addInt(_parameters->_tileTextureResolution._y);
isb->addString("&BBOX=");
isb->addDouble( toBBOXLatitude( sector._lower._latitude ) );
isb->addString(",");
isb->addDouble( toBBOXLongitude( sector._lower._longitude ) );
isb->addString(",");
isb->addDouble( toBBOXLatitude( sector._upper._latitude ) );
isb->addString(",");
isb->addDouble( toBBOXLongitude( sector._upper._longitude ) );
req += isb->getString();
delete isb;
req += "&CRS=EPSG:4326";
break;
}
case WMS_1_1_0:
default:
{
// default is 1.1.1
req += "&VERSION=1.1.1";
IStringBuilder* isb = IStringBuilder::newStringBuilder();
isb->addString("&WIDTH=");
isb->addInt(_parameters->_tileTextureResolution._x);
isb->addString("&HEIGHT=");
isb->addInt(_parameters->_tileTextureResolution._y);
isb->addString("&BBOX=");
isb->addDouble( toBBOXLongitude( sector._lower._longitude ) );
isb->addString(",");
isb->addDouble( toBBOXLatitude( sector._lower._latitude ) );
isb->addString(",");
isb->addDouble( toBBOXLongitude( sector._upper._longitude ) );
isb->addString(",");
isb->addDouble( toBBOXLatitude( sector._upper._latitude ) );
req += isb->getString();
delete isb;
break;
}
}
req += "&LAYERS=" + _queryLayer;
req += "&QUERY_LAYERS=" + _queryLayer;
req += "&INFO_FORMAT=text/plain";
const IMathUtils* mu = IMathUtils::instance();
double u;
double v;
if (_parameters->_mercator) {
u = sector.getUCoordinate(position._longitude);
v = MercatorUtils::getMercatorV(position._latitude);
}
else {
const Vector2D uv = sector.getUVCoordinates(position);
u = uv._x;
v = uv._y;
}
//X and Y
//const Vector2D uv = sector.getUVCoordinates(position);
const long long x = mu->round( (u * _parameters->_tileTextureResolution._x) );
const long long y = mu->round( (v * _parameters->_tileTextureResolution._y) );
IStringBuilder* isb = IStringBuilder::newStringBuilder();
isb->addString("&X=");
isb->addLong(x);
isb->addString("&Y=");
isb->addLong(y);
req += isb->getString();
delete isb;
return URL(req, false);
}
