public static List <EarthquakeObj> EarthquakeTrans(object earthquakeEvent, EarthquakeDataSource dataSource,
string startTime, string endTime)
{
EarthquakeObjConverter.eqList.Clear();
EarthquakeObjConverter.startTime = startTime;
EarthquakeObjConverter.endTime = endTime;
if (earthquakeEvent == null)
{
return(null);
}
switch (dataSource)
{
case EarthquakeDataSource.PALERT:
List <Palert> palertEventList = JsonConvert.DeserializeObject <List <Palert> >((string)earthquakeEvent);
foreach (Palert palertEvent in palertEventList)
{
EarthquakeObj eq = palertTrans(palertEvent);
eqList.Add(eq);
}
return(eqList);
case EarthquakeDataSource.CWB:
cwbTrans((string)earthquakeEvent);
return(eqList);
case EarthquakeDataSource.CKAN:
JObject ckanList = JObject.Parse((string)earthquakeEvent);
ckanTrans(ckanList);
return(eqList);
case EarthquakeDataSource.TESIS:
tesisTrans((string)earthquakeEvent);
return(eqList);
default:
break;
}
// DEBUG
return(null);
}
//
// Transform palert object to earthquake object
//
private static EarthquakeObj palertTrans(Palert palertEvent)
{
// The time string format of palert : YYYYMMDDhhmmss
// We only need YYYYMMDDhhmm
// The time format in P-alert is UTC, we need to convert it into GMT+8
string timeString_ = palertEvent.Timestring;
DateTime timeString_dt = new DateTime(int.Parse(timeString_.Substring(0, 4)), int.Parse(timeString_.Substring(4, 2)),
int.Parse(timeString_.Substring(6, 2)), int.Parse(timeString_.Substring(8, 2)),
int.Parse(timeString_.Substring(10, 2)), int.Parse(timeString_.Substring(12, 2)));
// UTC time + 8 hours = GMT+8 (Time zone of Taiwan)
timeString_dt = timeString_dt.AddHours(8);
string timeString = timeString_dt.ToString("yyyyMMddHHmm");
string lat = palertEvent.Lat;
string lng = palertEvent.Lng;
// The unit of depth of palert event is KM too.
string depth = palertEvent.Depth;
string magnitude = palertEvent.Magnitude;
EarthquakeDataSource dataSource = EarthquakeDataSource.PALERT;
// The format of the link of the p-alert data : Domain + Key
// Domain : http://palert.earth.sinica.edu.tw/db/index1.clt2.php?time=
// Key : YYYYMMDDhhmmss
// And the Key is equal to palertEvent.Timestring
string Domain = "http://palert.earth.sinica.edu.tw/db/index1.clt2.php?time=";
string Key = palertEvent.Timestring;
string dataLink = Domain + Key;
EarthquakeObj eq = new EarthquakeObj(timeString, lat, lng, depth, magnitude, dataSource, dataLink);
return(eq);
}
public EarthquakeObj(string timeString, string lat, string lng, string depth, string magnitude, EarthquakeDataSource dataSource, string dataLink)
{
this.timeString = timeString;
this.lat = lat;
this.lng = lng;
this.depth = depth;
this.magnitude = magnitude;
this.dataSource = dataSource;
this.dataLink = dataLink;
}
public static string GetEarhquakeRequestString(EarthquakeDataSource datasource, string startdate, string enddate, string min_magnitude, string max_magnitude)
{
string requestString = "";
string prefix;
string latLng;
string time;
string magnitude;
switch (datasource)
{
case EarthquakeDataSource.CKAN:
//
// ****************************
// * *
// * CKAN *
// * *
// ****************************
//
// The format of the link :
//
// Domain : ConstCkan.CkanAPIPrefix
//
// Organization : organization_show?id=earthquake&
//
// Need to show dataset : include_datasets =true
//
// The response data type is JSON.
//
prefix = ConstCkan.CkanAPIPrefix + "organization_show?id=earthquake&include_datasets=true";
latLng = "";
time = startdate + "&" + enddate;
magnitude = "";
requestString = prefix;
break;
case EarthquakeDataSource.CWB:
//
// ****************************
// * *
// * CWB *
// * *
// ****************************
//
// The format of the link : Domain + Time
//
// Prefix : http://scweb.cwb.gov.tw/GraphicContent.aspx?ItemId=20&
// Time : Date=201603
// (All the earthquakes in 2016/03)
//
// The response data is HTML text.
// The data of the earthqukes are in each row except the first row of the table datalist4
//
prefix = "http://scweb.cwb.gov.tw/GraphicContent.aspx?ItemId=20&Date=";
DateTime date_i = DateTime.Parse(startdate);
requestString = prefix + date_i.ToString("yyyyMM");
break;
case EarthquakeDataSource.NOAA:
break;
case EarthquakeDataSource.PALERT:
//
// ****************************
// * *
// * P-ALERT *
// * *
// ****************************
//
// The format of the link : Domain + LatLng + Time + Intensity
// * The "Intensity" of P-ALERT actually means "Magnitude".
//
// Prefix : http://palert.earth.sinica.edu.tw/db/querydb.php?
// LatLng : lat%5B%5D=21&lat%5B%5D=26&lng%5B%5D=119&lng%5B%5D=123&
// (from latitude 21~26, longitude 119~123)
// Time : time%5B%5D=2016-03-01&time%5B%5D=2016-03-31&
// (from 2016/03/01 to 2016/03/31)
// Intensity : intensity%5B%5D=1&intensity%5B%5D=7
// (from intensity 1 to intensity 7)
//
// The response data type is JSON.
//
// If there is no earthquake data, P-ALERT will response "false".
//
prefix = "http://palert.earth.sinica.edu.tw/db/querydb.php?";
latLng = "lat%5B%5D=21&lat%5B%5D=26&lng%5B%5D=119&lng%5B%5D=123&";
time = "time%5B%5D=" + startdate + "&time%5B%5D=" + enddate + "&";
magnitude = "intensity%5B%5D=" + min_magnitude + "&intensity%5B%5D=" + max_magnitude;
requestString = prefix + latLng + time + magnitude;
break;
case EarthquakeDataSource.TESIS:
//
// ****************************
// * *
// * TESIS *
// * *
// ****************************
//
//
// Prefix : http://tesis.earth.sinica.edu.tw/common/php/getid.php?
// Time : start=2016-07-01&end=2016-08-22
// (from 2016/07/01 to 2016/08/22)
//
// The response data type is string.
// Ex : ["992","993","994","995","996","997"]
// This is the ID of the earthquake event.
// We need another API to query each of it.
// This part is implemented in EarthquakeObjConverter.
//
//
prefix = "http://tesis.earth.sinica.edu.tw/common/php/getid.php?";
time = "start=" + startdate + "&end=" + enddate;
requestString = prefix + time;
break;
}
return(requestString);
}
