Java Code Examples for com.esri.core.geometry.SpatialReference#create()

/**
 * Process result from geoprocessing execution.
 * 
 * @param result output of geoprocessing execution.
 */
private void processResult(GPParameter[] result) {
  for (GPParameter outputParameter : result) {
    if (outputParameter instanceof GPFeatureRecordSetLayer) {
      GPFeatureRecordSetLayer gpLayer = (GPFeatureRecordSetLayer) outputParameter;
      int zone = 0;
      // get all the graphics and add them to the graphics layer.
      // there will be one graphic per zone.
      for (Graphic graphic : gpLayer.getGraphics()) {
        SpatialReference fromSR = SpatialReference.create(4326);
        Geometry g = graphic.getGeometry();
        Geometry pg = GeometryEngine.project(g, fromSR, jMap.getSpatialReference());
        Graphic theGraphic = new Graphic(pg, zoneFillSymbols[zone++]);
        // add to the graphics layer
        graphicsLayer.addGraphic(theGraphic);
      }
    }
  }
}
 

private MapGeometry constructEllipse(double x, double y, double majorAxis, double minorAxis, double rotation, int wkidin, int wkidbuffer, int wkidout)
{
	Point center = new Point();
	center.setX(x);
	center.setY(y);
	SpatialReference srIn = SpatialReference.create(wkidin);
	SpatialReference srBuffer = SpatialReference.create(wkidbuffer);
	SpatialReference srOut = SpatialReference.create(wkidout);
	UnitConverter uc = new UnitConverter();
	majorAxis = uc.Convert(majorAxis, units, srBuffer);
	minorAxis = uc.Convert(minorAxis, units, srBuffer);
	Point centerProj = (Point) GeometryEngine.project(center, srIn, srBuffer);
	GeometryUtility geoutil = new GeometryUtility();
	Polygon ellipse = geoutil.GenerateEllipse(centerProj, majorAxis, minorAxis, rotation);
	Geometry ellipseOut = GeometryEngine.project(ellipse, srBuffer, srOut);
	MapGeometry mapGeo = new MapGeometry(ellipseOut, srOut);
	return mapGeo;
}
 

public BytesWritable evaluate(BytesWritable wkb, int wkid) throws UDFArgumentException {

		try {
			SpatialReference spatialReference = null;
			if (wkid != GeometryUtils.WKID_UNKNOWN) {
				spatialReference = SpatialReference.create(wkid);
			}
			byte [] byteArr = wkb.getBytes();
            ByteBuffer byteBuf = ByteBuffer.allocate(byteArr.length);
			byteBuf.put(byteArr);
			OGCGeometry ogcObj = OGCGeometry.fromBinary(byteBuf);
			ogcObj.setSpatialReference(spatialReference);
			if (ogcObj.geometryType().equals("Polygon")) {
				return GeometryUtils.geometryToEsriShapeBytesWritable(ogcObj);
			} else {
				LogUtils.Log_InvalidType(LOG, GeometryUtils.OGCType.ST_POLYGON, GeometryUtils.OGCType.UNKNOWN);
				return null;
			}
		} catch (Exception e) {  // IllegalArgumentException, GeometryException
			LOG.error(e.getMessage());
			return null;
		}
	}
 

@Override
public GeoEvent process(GeoEvent ge) throws Exception {
	// Operation phase...
	if (radius == null) {
		radius = (Double) ge.getField(bufferEventFld);
		if (radius == null) {
			Exception e = new Exception("Radius is not defined in geoevent");
			throw (e);
		}
	}
	MapGeometry mapGeo = ge.getGeometry();
	Point eventGeo = (Point) mapGeo.getGeometry();
	double x = eventGeo.getX();
	double y = eventGeo.getY();
	int inwkid = mapGeo.getSpatialReference().getID();
	//int inwkid = eventGeo.getSpatialReference().getWkid();
	Geometry buffer = constructBuffer(x, y, radius,
			units, inwkid, bufferwkid, outwkid);
	
	SpatialReference srOut = SpatialReference.create(outwkid);
	MapGeometry outMapGeo = new MapGeometry(buffer, srOut);
	ge.setGeometry(outMapGeo);
	return ge;
}
 

public BytesWritable evaluate(BytesWritable wkb, int wkid) throws UDFArgumentException {

		try {
			SpatialReference spatialReference = null;
			if (wkid != GeometryUtils.WKID_UNKNOWN) {
				spatialReference = SpatialReference.create(wkid);
			}
			byte [] byteArr = wkb.getBytes();
            ByteBuffer byteBuf = ByteBuffer.allocate(byteArr.length);
			byteBuf.put(byteArr);
			OGCGeometry ogcObj = OGCGeometry.fromBinary(byteBuf);
			ogcObj.setSpatialReference(spatialReference);
			if (ogcObj.geometryType().equals("Point")) {
				return GeometryUtils.geometryToEsriShapeBytesWritable(ogcObj);
			} else {
				LogUtils.Log_InvalidType(LOG, GeometryUtils.OGCType.ST_POINT, GeometryUtils.OGCType.UNKNOWN);
				return null;
			}
		} catch (Exception e) {  // IllegalArgumentException, GeometryException
			LOG.error(e.getMessage());
			return null;
		}
	}
 

public BytesWritable evaluate(BytesWritable wkb, int wkid) throws UDFArgumentException {

		try {
			SpatialReference spatialReference = null;
			if (wkid != GeometryUtils.WKID_UNKNOWN) {
				spatialReference = SpatialReference.create(wkid);
			}
			byte [] byteArr = wkb.getBytes();
            ByteBuffer byteBuf = ByteBuffer.allocate(byteArr.length);
			byteBuf.put(byteArr);
			OGCGeometry ogcObj = OGCGeometry.fromBinary(byteBuf);
			ogcObj.setSpatialReference(spatialReference);
			return GeometryUtils.geometryToEsriShapeBytesWritable(ogcObj);
		} catch (Exception e) {  // IllegalArgumentException, GeometryException
			LOG.error(e.getMessage());
			return null;
		}
	}
 

public BytesWritable evaluate(BytesWritable geometryref)
{
	if (geometryref == null || geometryref.getLength() == 0) {
		LogUtils.Log_ArgumentsNull(LOG);
		return null;
	}

	OGCGeometry ogcGeometry = GeometryUtils.geometryFromEsriShape(geometryref);
	if (ogcGeometry == null){
		LogUtils.Log_ArgumentsNull(LOG);
		return null;
	}

	int wkid = GeometryUtils.getWKID(geometryref);
	SpatialReference spatialReference = null;
	if (wkid != GeometryUtils.WKID_UNKNOWN) {
		spatialReference = SpatialReference.create(wkid);
	}
	Envelope envBound = new Envelope();
	ogcGeometry.getEsriGeometry().queryEnvelope(envBound);
	return GeometryUtils.geometryToEsriShapeBytesWritable(OGCGeometry.createFromEsriGeometry(envBound,
															  spatialReference));
}
 

public BytesWritable evaluate(Text wkwrap, int wkid) throws UDFArgumentException {

		String wkt = wkwrap.toString();

		try {
			Geometry geomObj = GeometryEngine.geometryFromWkt(wkt,
															  0,
															  Geometry.Type.Unknown);
			SpatialReference spatialReference = null;  // Idea: OGCGeometry.setSpatialReference after .fromText
			if (wkid != GeometryUtils.WKID_UNKNOWN) {
				spatialReference = SpatialReference.create(wkid);
			}
			OGCGeometry ogcObj = OGCGeometry.createFromEsriGeometry(geomObj, spatialReference);
			return GeometryUtils.geometryToEsriShapeBytesWritable(ogcObj);
		} catch (Exception e) {  // IllegalArgumentException, GeometryException
			LogUtils.Log_InvalidText(LOG, wkt);
			return null;
		}
	}
 

public BytesWritable evaluate(BytesWritable wkb, int wkid) throws UDFArgumentException {

		try {
			SpatialReference spatialReference = null;
			if (wkid != GeometryUtils.WKID_UNKNOWN) {
				spatialReference = SpatialReference.create(wkid);
			}
			byte [] byteArr = wkb.getBytes();
            ByteBuffer byteBuf = ByteBuffer.allocate(byteArr.length);
			byteBuf.put(byteArr);
			OGCGeometry ogcObj = OGCGeometry.fromBinary(byteBuf);
			ogcObj.setSpatialReference(spatialReference);
			String gType = ogcObj.geometryType();
			if (gType.equals("MultiLineString") || gType.equals("LineString")) {
				return GeometryUtils.geometryToEsriShapeBytesWritable(ogcObj);
			} else {
				LogUtils.Log_InvalidType(LOG, GeometryUtils.OGCType.ST_MULTILINESTRING, GeometryUtils.OGCType.UNKNOWN);
				return null;
			}
		} catch (Exception e) {  // IllegalArgumentException, GeometryException
			LOG.error(e.getMessage());
			return null;
		}
	}
 

public BytesWritable evaluate(BytesWritable wkb, int wkid) throws UDFArgumentException {

		try {
			SpatialReference spatialReference = null;
			if (wkid != GeometryUtils.WKID_UNKNOWN) {
				spatialReference = SpatialReference.create(wkid);
			}
			byte [] byteArr = wkb.getBytes();
            ByteBuffer byteBuf = ByteBuffer.allocate(byteArr.length);
			byteBuf.put(byteArr);
			OGCGeometry ogcObj = OGCGeometry.fromBinary(byteBuf);
			ogcObj.setSpatialReference(spatialReference);
			String gType = ogcObj.geometryType();
			if (gType.equals("MultiPoint") || gType.equals("Point")) {
				return GeometryUtils.geometryToEsriShapeBytesWritable(ogcObj);
			} else {
				LogUtils.Log_InvalidType(LOG, GeometryUtils.OGCType.ST_LINESTRING, GeometryUtils.OGCType.UNKNOWN);
				return null;
			}
		} catch (Exception e) {  // IllegalArgumentException, GeometryException
			LOG.error(e.getMessage());
			return null;
		}
	}
 

/**
 * Return the last point of the ST_Linestring.
 * @param geomref hive geometry bytes
 * @return byte-reference of the last ST_Point
 */
public BytesWritable evaluate(BytesWritable geomref) {
	if (geomref == null || geomref.getLength() == 0){
		LogUtils.Log_ArgumentsNull(LOG);
		return null;
	}

	OGCGeometry ogcGeometry = GeometryUtils.geometryFromEsriShape(geomref);
	if (ogcGeometry == null){
		LogUtils.Log_ArgumentsNull(LOG);
		return null;
	}

	if (GeometryUtils.getType(geomref) == GeometryUtils.OGCType.ST_LINESTRING) {
		MultiPath lines = (MultiPath)(ogcGeometry.getEsriGeometry());
		int wkid = GeometryUtils.getWKID(geomref);
		SpatialReference spatialReference = null;
		if (wkid != GeometryUtils.WKID_UNKNOWN) {
			spatialReference = SpatialReference.create(wkid);
		}
		return GeometryUtils.geometryToEsriShapeBytesWritable(OGCGeometry.createFromEsriGeometry(lines.getPoint(lines.getPointCount()-1),
																								 spatialReference));
	} else {
		LogUtils.Log_InvalidType(LOG, GeometryUtils.OGCType.ST_LINESTRING, GeometryUtils.getType(geomref));
		return null;
	}
}
 

private com.esri.ges.spatial.Geometry constructEllipse(double x, double y, double majorAxis, double minorAxis, double rotation, int wkidin, int wkidbuffer, int wkidout) throws GeometryException
{
	Point center = new Point();
	center.setX(x);
	center.setY(y);
	SpatialReference srIn = SpatialReference.create(wkidin);
	SpatialReference srBuffer = SpatialReference.create(wkidbuffer);
	SpatialReference srOut = SpatialReference.create(wkidout);
	Point centerProj = (Point) GeometryEngine.project(center, srIn, srBuffer);
	GeometryUtility geoutil = new GeometryUtility();
	Polygon ellipse = geoutil.GenerateEllipse(centerProj, majorAxis, minorAxis, rotation);
	Geometry ellipseOut = GeometryEngine.project(ellipse, srBuffer, srOut);
	String json = GeometryEngine.geometryToJson(srOut, ellipseOut);
	return spatial.fromJson(json);
}
 

/**
 * Return the first point of the ST_Linestring.
 * @param geomref hive geometry bytes
 * @return byte-reference of the first ST_Point
 */
public BytesWritable evaluate(BytesWritable geomref) {
	if (geomref == null || geomref.getLength() == 0){
		LogUtils.Log_ArgumentsNull(LOG);
		return null;
	}

	OGCGeometry ogcGeometry = GeometryUtils.geometryFromEsriShape(geomref);
	if (ogcGeometry == null){
		LogUtils.Log_ArgumentsNull(LOG);
		return null;
	}

	if (GeometryUtils.getType(geomref) == GeometryUtils.OGCType.ST_LINESTRING) {
		MultiPath lines = (MultiPath)(ogcGeometry.getEsriGeometry());
		int wkid = GeometryUtils.getWKID(geomref);
		SpatialReference spatialReference = null;
		if (wkid != GeometryUtils.WKID_UNKNOWN) {
			spatialReference = SpatialReference.create(wkid);
		}
		return GeometryUtils.geometryToEsriShapeBytesWritable(OGCGeometry.createFromEsriGeometry(lines.getPoint(0),
																								 spatialReference));
	} else {
		LogUtils.Log_InvalidType(LOG, GeometryUtils.OGCType.ST_LINESTRING, GeometryUtils.getType(geomref));
		return null;
	}
}
 

public boolean iterate(BytesWritable geomref) throws HiveException {

			if (geomref == null) {
				LogUtils.Log_ArgumentsNull(LOG);
				return false;
			}

			if (firstWKID == -2) {
				firstWKID = GeometryUtils.getWKID(geomref);
				if (firstWKID != GeometryUtils.WKID_UNKNOWN) {
					spatialRef = SpatialReference.create(firstWKID);
				}
			} else if (firstWKID != GeometryUtils.getWKID(geomref)) {
				LogUtils.Log_SRIDMismatch(LOG, geomref, firstWKID);
				return false;
			}

			try {
				OGCGeometry rowGeom = GeometryUtils.geometryFromEsriShape(geomref);
				rowGeom.setSpatialReference(spatialRef);
				if (isectGeom == null)
					isectGeom = rowGeom;
				else
					isectGeom = isectGeom.intersection(rowGeom);
				return true;
			} catch (Exception e) {
				LogUtils.Log_InternalError(LOG, "ST_Aggr_Intersection: " + e);
				return false;
			}

		}
 

public boolean iterate(BytesWritable geomref) throws HiveException {

			if (geomref == null) {
				LogUtils.Log_ArgumentsNull(LOG);
				return false;
			}

			if (xgc == null) {
				firstWKID = GeometryUtils.getWKID(geomref);
				if (firstWKID != GeometryUtils.WKID_UNKNOWN) {
					spatialRef = SpatialReference.create(firstWKID);
				}
				// Need new geometry cursors both initially and after every terminatePartial(),
				// because the geometry cursors can not be re-used after extracting the
				// unioned geometry with GeometryCursor.next().
				//Create an empty listener.
				lgc = new ListeningGeometryCursor();
				//Obtain union operator - after taking note of spatial reference.
				xgc = OperatorUnion.local().execute(lgc, spatialRef, null);
			} else if (firstWKID != GeometryUtils.getWKID(geomref)) {
				LogUtils.Log_SRIDMismatch(LOG, geomref, firstWKID);
				return false;
			}

			try {
				lgc.tick(GeometryUtils.geometryFromEsriShape(geomref).getEsriGeometry());   // push
				xgc.tock();   // tock to match tick
				return true;
			} catch (Exception e) {
				LogUtils.Log_InternalError(LOG, "ST_Aggr_Union: " + e);
				return false;
			}

		}
 

@Override
public String pointToMgrs(double x, double y, int wkid) {
    Point pt = new Point(x, y);
    try {
        SpatialReference sr = SpatialReference.create(wkid);
        return pointToMgrs(pt, sr);
    } catch (Throwable t) {
        Logger.getLogger(MapController.class.getName()).log(Level.SEVERE, null, t);
        return null;
    }
}
 

@Override
public GeoEvent process(GeoEvent evt){
	try {
		int inwkid = (Integer) properties.get("wkidin").getValue();
		int outwkid = (Integer) properties.get("wkidout").getValue();
		//int bufferwkid = (Integer) properties.get("wkidbuffer").getValue();
		srIn = SpatialReference.create(inwkid);
		//srBuffer = SpatialReference.create(bufferwkid);
		srOut = SpatialReference.create(outwkid);

		String eventfld = properties.get("polyfld").getValue().toString();
		String[] arr = eventfld.split(":");
		String geostring = (String) evt.getField(arr[1]);

		String format = properties.get("polyformat").getValue().toString();
		com.esri.ges.spatial.Geometry geo = null;
		if (format.equals("Json")) {
			geo = constructJsonGeometry(geostring);
		} else if (format.equals("CAP")) {
			geo = constructCAPGeometry(geostring);
		}
		evt.setGeometry(geo);
		return evt;
	} catch (Exception ex) {
		LOG.error(ex.getMessage());
		LOG.error(ex.getStackTrace());
		return null;
	}
}
 

public BytesWritable evaluate (BytesWritable ... geomrefs){
	// validate arguments
	if (geomrefs == null || geomrefs.length < 2){
		LogUtils.Log_VariableArgumentLength(LOG);
	}

	int firstWKID = 0;

	SpatialReference spatialRef = null;

	// validate spatial references and geometries first
	for (int i=0;i<geomrefs.length; i++){
		
		BytesWritable geomref = geomrefs[i];
		
		if (geomref == null || geomref.getLength() == 0){
			LogUtils.Log_ArgumentsNull(LOG);
			return null;
		}

		if (i==0){
			firstWKID = GeometryUtils.getWKID(geomref);
			if (firstWKID != GeometryUtils.WKID_UNKNOWN) {
				spatialRef = SpatialReference.create(firstWKID);
			}
		} else if (firstWKID != GeometryUtils.getWKID(geomref)){
			LogUtils.Log_SRIDMismatch(LOG, geomrefs[0], geomref);
			return null;
		}
	}
	
	// now build geometry array to pass to GeometryEngine.union
	Geometry [] geomsToUnion = new Geometry[geomrefs.length];
	
	for (int i=0;i<geomrefs.length;i++){
		//HiveGeometry hiveGeometry = GeometryUtils.geometryFromEsriShape(geomrefs[i]);
		OGCGeometry ogcGeometry = GeometryUtils.geometryFromEsriShape(geomrefs[i]);
		
		// if (i==0){   // get from ogcGeometry rather than re-create above?
		// 	spatialRef = hiveGeometry.spatialReference;
		// }
		
		if (ogcGeometry == null){
			LogUtils.Log_ArgumentsNull(LOG);
			return null;
		}
		
		geomsToUnion[i] = ogcGeometry.getEsriGeometry();
	}
	
	try {
		Geometry unioned = GeometryEngine.union(geomsToUnion, spatialRef);

		// we have to infer the type of the differenced geometry because we don't know
		// if it's going to end up as a single or multi-part geometry
		OGCType inferredType = GeometryUtils.getInferredOGCType(unioned);
		
		return GeometryUtils.geometryToEsriShapeBytesWritable(unioned, firstWKID, inferredType);
	} catch (Exception e){
		LogUtils.Log_ExceptionThrown(LOG, "GeometryEngine.union", e);
		return null;
	}
}
 

private void executeDriveTimes(Graphic startPointGraphic) {

      // create a Geoprocessor that points to the remote geoprocessing service.
      Geoprocessor geoprocessor = new Geoprocessor(URL_GEOPROCESSING_SERVICE);
      // set the output and process spatial reference to the map's spatial reference
      SpatialReference outSR = SpatialReference.create(4326);
      Geometry projectedStartPoint = GeometryEngine.project(
        startPointGraphic.getGeometry(), jMap.getSpatialReference(), outSR);
      Graphic projectedStartPointGraphic = new Graphic(projectedStartPoint, startPointGraphic.getSymbol());
      geoprocessor.setOutSR(outSR);
      geoprocessor.setProcessSR(outSR);

      // initialize the required input parameters: refer to help link in the
      // geoprocessing service URL for a list of required parameters
      List<GPParameter> gpInputParams = new ArrayList<GPParameter>();

      GPFeatureRecordSetLayer gpInputStartpoint = new GPFeatureRecordSetLayer("Input_Location");
      gpInputStartpoint.addGraphic(projectedStartPointGraphic);

      GPString gpInputDriveTimes = new GPString("Drive_Time");
      // Tip: use GP service info to get the parameter names
      // GPString gpInputDriveTimes = new GPString("Drive_Times");
      
      gpInputDriveTimes.setValue("1 2 3");

      gpInputParams.add(gpInputStartpoint);
      gpInputParams.add(gpInputDriveTimes);

      // execute the geoprocessing request
      try {
        GPParameter[] result = geoprocessor.execute(gpInputParams);
        updateProgresBarUI(null,  tasksInProgress.decrementAndGet() > 0);
        processResult(result);
      } catch (Exception ex) {
        JOptionPane.showMessageDialog(map, ex.getMessage(), "", JOptionPane.ERROR_MESSAGE);
      }
      
      /*// Tip: Do not block UI thread. 
      geoprocessor.executeAsync( 
        gpInputParams, 
        new CallbackListener<GPParameter[]>() {
            @Override 
            public void onError(Throwable th) { 
              th.printStackTrace(); 
            }
            @Override 
            public void onCallback(GPParameter[] result) { 
              updateProgresBarUI(null, tasksInProgress.decrementAndGet() > 0); 
              processResult(result); 
              } 
            } 
        ); */      
    }
 

private void executeDriveTimes(Graphic startPointGraphic) {

      // create a Geoprocessor that points to the remote geoprocessing service.
      Geoprocessor geoprocessor = new Geoprocessor(URL_GEOPROCESSING_SERVICE);
      // set the output and process spatial reference to the map's spatial reference
      SpatialReference outSR = SpatialReference.create(4326);
      Geometry projectedStartPoint = GeometryEngine.project(
        startPointGraphic.getGeometry(), jMap.getSpatialReference(), outSR);
      Graphic projectedStartPointGraphic = new Graphic(projectedStartPoint, startPointGraphic.getSymbol());
      geoprocessor.setOutSR(outSR);
      geoprocessor.setProcessSR(outSR);

      // initialize the required input parameters: refer to help link in the
      // geoprocessing service URL for a list of required parameters
      List<GPParameter> gpInputParams = new ArrayList<GPParameter>();

      GPFeatureRecordSetLayer gpInputStartpoint = new GPFeatureRecordSetLayer("Input_Location");
      gpInputStartpoint.addGraphic(projectedStartPointGraphic);

      //GPString gpInputDriveTimes = new GPString("Drive_Time");
      // Tip: use GP service info to get the parameter names
      GPString gpInputDriveTimes = new GPString("Drive_Times");
      
      gpInputDriveTimes.setValue("1 2 3");

      gpInputParams.add(gpInputStartpoint);
      gpInputParams.add(gpInputDriveTimes);

      // execute the geoprocessing request
      /*try {
        GPParameter[] result = geoprocessor.execute(gpInputParams);
        updateProgresBarUI(null,  tasksInProgress.decrementAndGet() > 0);
        processResult(result);
      } catch (Exception ex) {
        JOptionPane.showMessageDialog(map, ex.getMessage(), "", JOptionPane.ERROR_MESSAGE);
      }*/
      
      // Tip: Do not block UI thread. 
      geoprocessor.executeAsync( 
        gpInputParams, 
        new CallbackListener<GPParameter[]>() {
            @Override 
            public void onError(Throwable th) { 
              th.printStackTrace(); 
            }
            @Override 
            public void onCallback(GPParameter[] result) { 
              updateProgresBarUI(null, tasksInProgress.decrementAndGet() > 0); 
              processResult(result); 
              } 
            } 
        );       
    }