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249 lines
8.3 KiB
Text
249 lines
8.3 KiB
Text
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
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pageEncoding="ISO-8859-1"%>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<%
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response.setHeader("Pragma", "no-cache");
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response.setHeader("Cache-Control", "no-cache");
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response.setDateHeader("Expires", 0);
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%>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>Barnes Analysis</title>
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<STYLE TYPE="text/css">
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h1 {text-align:center}
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table {background-color:silver;border-style:solid;border-color:black;border-width:1}
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td {background-color:white;border-style:solid;border-color:black;border-width:1}
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th {background-color:white;border-style:solid;border-color:black;border-width:1}
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</STYLE>
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</head>
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<body>
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<table align=center>
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<TR><TD><img src="rayAWIPS.jpg" align=middle></TD>
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<TD><H1>
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μEngine Demonstration<BR>
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JScript Script Runner<BR>
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Barnes Analysis
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</H1></TD>
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<TD><img src="rayAWIPS.jpg" align=middle></TD></TR>
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<TR><TD COLSPAN=3>
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<CENTER>
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This script demonstrates using Barnes Scheme analysis to correct a Wind Speed grid.<BR>
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The Wind Speed grid is generated by combining the <em>Wind-U</em> and <em>Wind-V</em> parameters.<BR>
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A spatial query is performed to obtain the wind speed observations.<BR>
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This page uses <em>GribWinds.js</em>, <em>GribImage.js</em>, and <em>ObsSpatial.js</em> from the script library.
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</CENTER>
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</TD></TR>
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</table>
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<form method=post action="runAction.jas">
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<input type=hidden name=requesttype value=javascript>
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<input type=hidden name=sortby value=timeobs>
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<table align=center>
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<tr><td colspan=2>
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<textarea name="actionXML" cols="80" rows="22" style="background-color:aqua">
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include("GribWinds.js");
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include("GribImage.js");
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include("ObsSpatial.js");
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/* Define the class to perform the analysis */
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function BarnesAnalysisWinds() {
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/* names of things */
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this.grib = "grib";
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this.obs = "obs";
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this.icao = "icao";
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this.geometry = "geometry";
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this.obParam = "windSpeed";
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/* settings for Barnes Analysis */
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this.radius = "50000.0";
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this.weight = "0.50";
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this.stations = "1";
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this.passes = "1";
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/* query objects */
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this.gQuery = new GribWinds(this.grib,true);
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this.oQuery = new ObsSpatialQuery(this.obs,this.obParam);
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/* the image creator */
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this.iMaker = new GribImage(this.grib);
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/* the logger */
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this.logger = new SystemLog();
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}
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function _execute() {
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var response;
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/* get the wind speed as a grib */
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var wResult = this.gQuery.execute();
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if (wResult.getClass().getSimpleName() != "FloatDataRecord") {
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this.logger.log("warn","GRIB Winds creation failed.");
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return wResult;
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}
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this.logger.log("info","GRIB Winds creation successful.");
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var geom = this.gQuery.getGeom();
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var crs = this.gQuery.getCRS();
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/* get and geolocate the wind speed observations */
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var oResult = this.oQuery.execute();
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if(oResult.getClass().getSimpleName() != "ArrayList") {
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this.logger.log("warn","Spatial ob query for " + this.obParam + " failed.");
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return oResult;
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}
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this.logger.log("info","Spatial ob query for " + this.obParam + " successful.");
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/* setup the analyzer and perform the analysis */
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var analyzer = new ObjectiveAnalysis(wResult,
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geom,
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crs,
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oResult);
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analyzer.addParameter("searchRadius",this.radius);
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analyzer.addParameter("weight",this.weight);
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analyzer.addParameter("minNoStns",this.stations);
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analyzer.addParameter("numPasses",this.passes);
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analyzer.addParameter("extrapolate","true");
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var analyzed = analyzer.execute();
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/* create the derived image */
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this.iMaker.setGrid(analyzed);
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this.iMaker.setCrs(crs);
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this.iMaker.setGeom(geom);
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var imageOut = this.iMaker.execute();
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geom = this.iMaker.getGeom();
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var format = this.iMaker.getFormat();
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/* write the image to the file and return the response */
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var fileOut = new FileOut(imageOut, format);
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var writeFile = fileOut.execute();
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var makeResponse = new MakeResponseUri(writeFile,
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null,
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this.gQuery.getDataURI(),
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this.format);
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return makeResponse.execute();
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}
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/* helper methods */
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function _makeError(message,query) {
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var response = new MakeResponseNull(message,query);
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return response.execute();
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}
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/* setters for query objects */
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function _addParameter(grid,name,value) {
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var query = (grid)?this.gQuery:this.oQuery;
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query.addParameter(name,value);
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}
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function _addList(grid,name,value) {
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var query = (grid)?this.gQuery:this.oQuery;
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query.addParameter(name,value,"in");
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}
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function _setSortValue(grid,sortValue) {
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var query = (grid)?this.gQuery:this.oQuery;
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query.setSortby(sortValue);
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}
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function _setCount(grid,count) {
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var query = (grid)?this.gQuery:this.oQuery;
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query.setCount(count);
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}
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/* setters for image creation parameters */
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function _setScaleFactor(scale) {
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this.iMaker.setScaleFactor(scale);
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}
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function _reprojectImage(reproject) {
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this.iMaker.setReproject(reproject);
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}
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function _setColorMap(colormap){
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this.iMaker.setColormap(colormap);
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}
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function _setFormat(format){
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this.iMaker.setFormat(format);
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}
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/* setters for the spatial query */
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function _setSpatialBounds(ulLat, ulLon, lrLat, lrLon) {
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this.oQuery.setSpatialBounds(ulLat,
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ulLon,
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lrLat,
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lrLon,
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this.icao,
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this.geometry);
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}
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/* setters for Barnes Analysis */
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function _setBarnesParameters(radius,weight,stations,passes) {
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this.radius = radius;
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this.weight = weight;
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this.stations = stations;
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this.passes = passes;
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}
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/* mapping functions to the object */
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BarnesAnalysisWinds.prototype.execute = _execute;
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BarnesAnalysisWinds.prototype.addParameter = _addParameter;
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BarnesAnalysisWinds.prototype.addList = _addList;
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BarnesAnalysisWinds.prototype.setSortValue = _setSortValue;
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BarnesAnalysisWinds.prototype.setCount = _setCount;
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BarnesAnalysisWinds.prototype.setScaleFactor = _setScaleFactor;
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BarnesAnalysisWinds.prototype.reprojectImage = _reprojectImage;
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BarnesAnalysisWinds.prototype.setColorMap = _setColorMap;
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BarnesAnalysisWinds.prototype.setFormat = _setFormat;
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BarnesAnalysisWinds.prototype.setSpatialBounds = _setSpatialBounds;
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BarnesAnalysisWinds.prototype.setBarnesParameters = _setBarnesParameters;
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BarnesAnalysisWinds.prototype.makeError = _makeError;
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var runner = new BarnesAnalysisWinds();
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/* setup the basic grib queries */
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runner.addParameter(true,"levelinfo","10.0_m");
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runner.addParameter(true,"forecasttime","0");
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runner.addParameter(true,"gridid",212);
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runner.setSortValue(true,"basetime");
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runner.setCount(true,1);
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/* setup the basic obs query */
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runner.addParameter(false,"refhour","20070601190000");
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runner.setSortValue(false,"timeobs");
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runner.setCount(false,0);
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/* setup the spatial search parameters */
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runner.setSpatialBounds(43.00, -98.00, 37.00, -92.00);
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/* setup the Barnes analysis paramters */
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runner.setBarnesParameters("50000.0","0.50","1","1");
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/* set image properties */
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runner.setColorMap("GribRGB");
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runner.setFormat("png");
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runner.setScaleFactor(3.0);
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/* execute the script */
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runner.execute();
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</textarea>
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</td></tr>
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<tr><th colspan=2><em>Enter Values for Message</em></th></tr>
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<tr><td><B>Name:</B></td>
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<td><input type=text name=name value="JS Request"></td></tr>
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</td></td>
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<tr><td><B>Action:</B></td><td>
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<input type=radio name=function value=validate disabled>Validate
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<input type=radio name=function value=subscribe disabled>Subscribe
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<input type=radio name=function value=execute checked>Execute</tr>
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</td></tr></table>
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<br>
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<div align=center>
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<input type="submit" value="Get Report">
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<input type=reset>
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Timeout:
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<select name=receiveTime>
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<option value=60000>1 minute
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<option value=120000>2 minutes
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<option value=180000>3 minutes
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<option value=240000 selected>4 minutes
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<option value=300000>5 minutes
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<option value=360000>6 minutes
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<option value=420000>7 minutes
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<option value=480000>8 minutes
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<option value=540000>9 minutes
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<option value=600000>10 minutes
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</select>
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</div>
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</form>
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</body>
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</html>
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