QuakeML - crotwell/seisFile GitHub Wiki

Introduction

SeisFile supports the FDSN Event web service and parsing of QuakeML . StAX (Streaming API for XML) is used internally for this parsing.

Example

Reading an QuakeML file from an FDSN event web service could be done like this:


            FDSNEventQueryParams queryParams = new FDSNEventQueryParams();
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
            sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
            queryParams.area(30, 35, -83, -79)
                    .setStartTime(sdf.parse("2010-03-15"))
                    .setEndTime(sdf.parse("2013-03-21"))
                    .setMaxDepth(100)
                    .setMinMagnitude(1)
                    .setOrderBy(FDSNEventQueryParams.ORDER_TIME_ASC);
            FDSNEventQuerier querier = new FDSNEventQuerier(queryParams);
            Quakeml quakeml = querier.getQuakeML();
            if (!quakeml.checkSchemaVersion()) {
                System.out.println("");
                System.out.println("WARNING: XmlSchema of this document does not match this code, results may be incorrect.");
                System.out.println("XmlSchema (code): " + QuakeMLTagNames.CODE_MAIN_SCHEMA_VERSION);
                System.out.println("XmlSchema (doc): " + quakeml.getSchemaVersion());
            }
            EventIterator eIt = quakeml.getEventParameters().getEvents();
            while (eIt.hasNext()) {
                Event e = eIt.next();
                Origin o = e.getOriginList().get(0);
                Magnitude m = e.getMagnitudeList().get(0);
                System.out.println(o.getLatitude()+"/"+o.getLongitude()+" "+m.getMag().getValue()+" "+m.getType()+" "+o.getTime().getValue());
            }
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