83 lines
2.5 KiB
JavaScript
83 lines
2.5 KiB
JavaScript
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function SatelliteRequest(count, sat, image) {
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this.satellite = sat;
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this.area = "East CONUS";
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this.count = count;
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this.makeImage = image;
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this.format = "png";
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this.colormap = "IREnhanced";
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this.reproject = false;
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this.plugin = "satellite";
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}
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function _execute()
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{
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var query = new TermQuery("satellite");
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query.addParameter("satellite", this.satellite);
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query.addParameter("area_subtype", this.area);
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query.setCount(this.count);
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var queryResults = query.execute();
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if(queryResults == null || queryResults.size() == 0)
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{
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response = new MakeResponseNull("Query returned 0 results.",query);
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return response.execute();
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}
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else
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{
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if (!this.makeImage)
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{
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return this.makeXmlResponse(queryResults);
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} else {
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return this.makeImageResponse(queryResults);
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}
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}
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}
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function _makeXmlResponse(queryResults)
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{
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var count = queryResults.size();
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var response = new Array(count);
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for(i=0; i < count; i++)
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{
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var dataToXml = new DataToXml(queryResults.get(i));
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var makeResponse = new MakeResponseXml(dataToXml.execute());
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response[i] = makeResponse.execute();
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}
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return response;
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}
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function _makeImageResponse(queryResults){
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var response = new Array();
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for(i=0; i < queryResults.size(); i++)
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{
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var currentQuery = queryResults.get(i);
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var geom = currentQuery.getCoverage().getMapGeom();
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var crs = currentQuery.getCoverage().getCrs();
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var fileIn = new FileIn(this.plugin, currentQuery);
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var record = fileIn.execute();
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var colorMap = new ColorMapImage(this.colormap, record.getDataObject(), geom);
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var imageOut = null;
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if(this.reproject){
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var reproject = new ReprojectImage(colorMap.execute(), geom, crs);
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var reprojectedImage = reproject.execute();
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imageOut = new ImageOut(reprojectedImage, this.format, reproject.getGridGeometry());
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}
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else
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{
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imageOut = new ImageOut(colorMap.execute(), this.format);
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}
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var fileOut = new FileOut(imageOut.execute(), this.format);
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var writeFile = fileOut.execute();
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var makeResponse = new MakeResponseUri(writeFile, null, currentQuery.getDataURI(), this.format);
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response[i] = makeResponse.execute();
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}
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return response;
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}
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SatelliteRequest.prototype.execute = _execute;
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SatelliteRequest.prototype.makeXmlResponse = _makeXmlResponse;
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SatelliteRequest.prototype.makeImageResponse = _makeImageResponse;
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// Code the user writes:
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var dataRequest = new SatelliteRequest(4, "GOES",true);
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dataRequest.execute();
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