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<!DOCTYPE html>
<html>
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<head>
  <title><%= title %></title>

  <link href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/css/select2.min.css" rel="stylesheet" />

  <!--script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script> -->
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js" type="text/javascript"></script>
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  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js"
    integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49"
    crossorigin="anonymous"></script>
  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"
    integrity="sha384-smHYKdLADwkXOn1EmN1qk/HfnUcbVRZyYmZ4qpPea6sjB/pTJ0euyQp0Mk8ck+5T"
    crossorigin="anonymous"></script>
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  <script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/select2.full.js"></script>
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  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css"
    integrity="sha384-WskhaSGFgHYWDcbwN70/dfYBj47jz9qbsMId/iRN3ewGhXQFZCSftd1LZCfmhktB" crossorigin="anonymous">
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  <script src="https://code.highcharts.com/highcharts.src.js"></script>
  <script src="https://code.highcharts.com/modules/boost.js"></script>
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  <script src="https://cdn.rawgit.com/openlayers/openlayers.github.io/master/en/v5.3.0/build/ol.js"></script>
  <link rel="stylesheet" href="https://cdn.rawgit.com/openlayers/openlayers.github.io/master/en/v5.3.0/css/ol.css">

  <link rel="stylesheet" type="text/css" href="/stylesheets/overlay.css">
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  <link rel="stylesheet" type="text/css" href="/stylesheets/olqv.css">
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  <script src="../javascript/FITSHeaderTable.js"></script>
  <script src="../javascript/olqv_utils.js"></script>
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  <!--  <script src="https://openlayers.org/en/v4.6.4/build/ol.js" type="text/javascript"></script> -->
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  <!-- Conditional code generation -->
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  <%if(useSAMP){%>
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  <script src="../javascript/samp.js"></script>
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  <script src="../javascript/samp_utils.js"></script>
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  <%}%>
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  <!-- End of conditional code generation -->
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</head>

<body>

<div id="loading"></div>
<div id="FITSHDR" class="overlay" style="overflow:scroll"></div>
<div class="pos-f-t">
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  <div class="collapse" id="sampRegistry"></div>
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  <div class="collapse" id="navbarToggleExternalContent">
    <div class="bg-dark p-4">
<% if (renderingCapabilities) { %>
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  <nav class="navbar navbar-expand-lg navbar-light bg-light">
    <ul class="list-group list-group-horizontal">
      <li class="list-group-item ">
        <label for="LUTSelector">LUTs</label>
        <select name="LUTs" class="form-control" id="LUTSelector">
          <% renderingCapabilities["luts"].forEach(function(lut) { %>
          <option> <%=lut%></option>
          <% }) %>
        </select>
      </li>
      <li class="list-group-item ">
        <label for="ITTSelector">ITTs</label>
        <select class="form-control" id="ITTSelector">
          <% renderingCapabilities["itts"].forEach(function(itt) { %>
          <option> <%=itt%></option>
          <% }) %>
        </select>
      </li>
      <li class="list-group-item ">
        <label for="VideoModeSelector">Video mode</label>
        <select class="form-control" id="VideoModeSelector">
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          <% renderingCapabilities["vmodes"].forEach(function(vmode) { %>
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          <option> <%=vmode%></option>
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          <% }) %>
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        </select>
      </li>
      <li class="list-group-item">
        <a class="form-control" id="rccap" class="btn btn-primary" href="#" role="button">Apply</a>
      </li>
    </ul>
  </nav>
  </div>
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  <%}%>
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    </div>
  </div>
  <nav class="navbar navbar-dark bg-dark">
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarToggleExternalContent" aria-controls="navbarToggleExternalContent" aria-expanded="false" aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span>
    </button>
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    <img src="../samphub.png" style="width:30px; height:30px" data-toggle="collapse" data-target="#sampRegistry" aria-controls="sampRegistry" aria-expanded="false" aria-label="Toggle navigation"/>
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    <!--<div><a id="jupyter" href="#" target="_blank"><img src="../jupyter.png" style="width:30px; height:30px" title="jupyter"/></a></div>-->
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    <a href="#" class="btn btn-link btn-sm" onclick="viewIn3D(); return false;"> 3D representation </a>
    <div><a href="http://artemix.obspm.fr/fits/browse" target="_blank" class="btn btn-link btn-sm">See more FITS files...</a></div>
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    <div id="cubeInfos" style="font-size:15px; color: white"></div>
  </nav>
</div>
<div>
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<div class="container chart-container">
      <div class="row">
        <div class="col">
          <div id="external_mouse_position_1"></div>
        </div>
        <div class="col">
          <div id="publish_spectrum"></div>
        </div>
      </div>
      <div class="row">
        <div class="col chart-img">
          <div id="slice" class="map" style="background-color:darkblue"></div>
        </div>
        <div class="col chart-plot">
          <button id="zoomout">-</button>
          <button id="zoomin">+</button>
          <button id="zoomreset">Reset</button>
          <div id="spectrum"></div>  
        </div>
      </div>
      <div class="row">
        <div class="col">
          <div id="external_mouse_position_2"></div>
        </div>
        <div class="col">
          <div id="publish_summedpixelsspectrum"></div>
        </div>
      </div>
      <div class="row">
        <div class="col chart-img">
          <div id="summedslices" class="map"></div>
        </div>
        <div class="col chart-plot">
          <div id="summedpixelsspectrum"></div>
        </div>
      </div>
    </div>
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    <div class="container chart-container hidden">
      <div class="row">
        <div class="col">
          <canvas id="hiddenSlice"></canvas>
        </div>
        <div class="col">
          <canvas id="hiddenSummedSlices"></canvas>
        </div>
      </div>
    </div> 
 

  <div class="hidden">
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    <div id="popup" class="ol-popup">
      <a href="#" id="popup-closer" class="ol-popup-closer"></a>
      <div id="popup-content"></div>
    </div>
  </div>
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  <!-- Modal for samp cassis-->
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  <div class="modal fade hidden" id="sampModal" role="dialog">
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    <div class="modal-dialog">
      <!-- Modal content-->
      <div class="modal-content">
        <div class="modal-header">
          <button type="button" class="close" data-dismiss="modal">&times;</button>
          <h4 class="modal-title">Send spectrum by SAMP (Cassis)</h4>
        </div>
        <div class="modal-body">
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          <p>
            This link is intended to send the current artemix spectrum to Cassis tool, 
            or any other tool that runs with the SAMP protocol and accepts our file fits format.
          </p>
          <p>
            For the transfer to work, Check that Cassis is running.
          </p>          
          <h3>How to launch Cassis</h3>
          <p>
            <strong>- Cassis with command line:</strong>
          </p>
          <p>
            Open a terminal and run: javaws http://cassis.irap.omp.eu/online/cassis.jnlp
          </p>
          <p>
            <strong>- Cassis online:</strong>
          </p>
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          <ul>
            <li>1- Go to the Cassis <a href="http://cassis.irap.omp.eu/?page=installation"> website</a></li>
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            <li>2- Use Cassis online application or download the latest version </li>
          </ul>
          <p>
            If you encounter a problem during the installation, check that you have the correct Java version 
            compatible with Cassis, and allow the installation in your computer. 
            Please read <a href="images/enablejava.png">here</a> on how to do with a Mac.
          </p>
          <p>
            In case you encounter any problem with Cassis please contact the Cassis project manager <a href="#">Jean-Michel.Glorian{at}irap.omp.eu</a>
         </p>
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	</div>
	<div class="modal-footer">
	  <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
        </div>
      </div>
    </div>
  </div>
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  <!-- Modal for samp aladin -->
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  <div class="modal fade" id="sampModalAladin" role="dialog" style="display:none">
    <div class="modal-dialog">
      <!-- Modal content-->
      <div class="modal-content">
        <div class="modal-header">
          <button type="button" class="close" data-dismiss="modal">&times;</button>
          <h4 class="modal-title">Send image by SAMP (Aladin)</h4>
        </div>
        <div class="modal-body">
          <p>This link is intended to send the current Artemix image to Aladin tool, or any other tool that runs with the SAMP protocol and accepts our file png format.
          </br></br>
          For the transfer to work, Check that Aladin is running.</br></br>

          How to launch Aladin</br>
          <strong>- Aladin with command line:</strong></br>
          Open a terminal and run: javaws https://aladin.u-strasbg.fr/java/nph-aladin.pl</br></br>
          <strong>- Aladin online:</strong></br>
          <ul>
            <li>1- Go to the Aladin <a href="https://aladin.u-strasbg.fr/java/nph-aladin.pl?frame=downloading"> website</a></li>
            <li>2- Use Aladin online application or download the latest version </li></ul>
          If you encounter a problem during the installation, check that you have the correct Java version compatible with Aladin, and allow the installation in your computer. Found <a href="images/enablejava.png">here</a> how to do with Mac </br></br>
          In case of problems with Aladin please contact the Aladin team cds-question AT <a href="#"> unistra.fr?Subject=Aladin</a></p>
	</div>
	<div class="modal-footer">
	  <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
        </div>
      </div>
    </div>
  </div>
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</body>
    <script>
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      var ENTER = function () { console.log(arguments.callee.name + ": entering."); };
      var EXIT = function () { console.log(arguments.callee.name + ": exiting."); };
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    <%if (useSAMP) {%>
  var sAMPPublisher = null;
  <%}%>
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  var ROI;
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      var summedPixelsSpectrumChart;
      var spectrumChart;
      var viewIn3D = function () {
        window.open("getYtObj?relFITSFilePath=" + relFITSFilePath + "&iRA0=" + ROI.iRA0 + "&iRA1=" + ROI.iRA1 + "&iDEC0=" + ROI.iDEC0 + "&iDEC1=" + ROI.iDEC1 + "&iFREQ0=" + ROI.iFREQ0 + "&iFREQ1=" + ROI.iFREQ1);
      };

      var showLoaderAction = function(enable){
        if(enable){
          document.getElementById('loading').style.display = 'block';
        }else{
          document.getElementById('loading').style.display = 'none';
        }
      }

      var handleEvent = function (evt) {
        console.log(JSON.stringify(evt, null, 4));
        return true;
      };

      /**
        Add a series where Y=0 in the given chart
      */
      function addYAxisSeries(chart) {
        chart.addSeries({
          lineWidth: 1,
          enableMouseTracking: false,
          showInLegend: false,
          color: "#000000",
          marker: {
            enabled: false
          },
          data: [[chart.xAxis[0].dataMin, 0], [chart.xAxis[0].dataMax, 0]]
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        });
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      }
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      /**
        calculate the value displayed as title of summed average spectrum
        avgSpectrum array is reversed if data are radial velocities and 
        cdelt3 < 0
      */
      function getSummedSpectrumTitle(avgSpectrum, imin, imax, cdelt3prim) {
        let result = 0;
        if (_ctype3 === 'VRAD' && _cdelt3 < 0) {
          let copy = (x) => x;
          let arraycopy = avgSpectrum.map(copy);
          result = sumArr(arraycopy.reverse(), imin, imax, cdelt3prim);
        } else {
          result = sumArr(avgSpectrum, imin, imax, cdelt3prim);
        }
        return result / unitRescale(summedPixelsSpectrumUnit(_bunit));
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      }
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      function getCalculatedIndex(value) {
        let result = 0;
        if (_ctype3 === 'VRAD') {
          let step1 = (unitFactor[defaultOutputUnit[_ctype3]] / unitFactor[getCunit3()]) / _cdelt3;
          result = Math.abs(value * step1) - _crval3 + _crpix3 - 1;
        } else if (_ctype3 === 'FREQ') {
          // if ctype is FREQ we have to read defaultOutputUnit['VRAD']
          let step1 = v2f(value * unitFactor[defaultOutputUnit['VRAD']], _restfreq);
          let step2 = (step1 - _crval3) / _cdelt3;
          result = step2 + _crpix3 - 1;
        }
        return Math.round(result);
      }
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      //
      // A object to mark informations related to a position
      // in a popup bow located close to the position passed
      // as a parameter.
      //
      function LastClickMarker(map) {
        var _map = map;
        var _overlay = null;
        var _container = document.getElementById('popup');
        var _content = document.getElementById('popup-content');
        var _closer = document.getElementById('popup-closer');

        var _lastChanIndex = null;
        var _lastCoordinate = null;
        var _lastRADEC = null;
        var _lastFluxDensity = null;

        // popup creation and addition to an ol overlay to the map passed
        // as a parameter.
        //
        var _popupLastClickInfos = function () {
          if (_overlay == null) {
            /**
            * Create an overlay to anchor the popup to the map.
            */
            _overlay = new ol.Overlay({
              element: _container,
              autoPan: true,
              autoPanAnimation: {
                duration: 250
              }
            });
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            /**
            * Add a click handler to hide the popup.
            * @return {boolean} Don't follow the href.
            */
            _closer.onclick = function () {
              _overlay.setPosition(undefined);
              _closer.blur();
              return false;
            };
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            _map.addOverlay(_overlay);
          }
        };

        //
        // update the content of the popup by using the informations
        // stored in _lastCoordinate, _lastRADEC and _lastFluxDensity
        //
        var _updateLastClickInfos = function () {
          if (_lastCoordinate == null) return;
          _content.innerHTML = 'Chan#' + _lastChanIndex + '<br>' + 'x = ' + _lastCoordinate[0].toFixed(0) + ', y = ' + _lastCoordinate[1].toFixed(0) + '<br>' +
            'RA=' + _lastRADEC['RA'] + '<br>' +
            'DEC=' + _lastRADEC['DEC'] + '<br>' +
            'Value=' + Number(_lastFluxDensity).toExponential(4);

          _overlay.setPosition(_lastCoordinate);
        }

        //
        // public method to register the values to be displayed
        // in the popup and update its content.
        //
        this.setPositionAndFluxDensity = function (data) {
          console.log("this.setPosition = function(coordinate) { : entering");

          _lastChanIndex = data["chanIndex"]
          _lastCoordinate = data["coordinate"];
          _lastRADEC = data["RADEC"];
          _lastFluxDensity = data["fluxDensity"];

          _updateLastClickInfos();

          console.log("this.setPosition = function(coordinate) { : exiting");
        };
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        //
        // public method to register the fluxDensity value passed as a parameter
        // and update the popup content accordingly.
        //
        this.setFluxDensity = function (fluxDensity, sliceIndex) {
          console.log("this.setFluxDensity = function(fluxDensity)  { : entering");
          _lastFluxDensity = fluxDensity;
          _lastChanIndex = sliceIndex;
          _updateLastClickInfos();
          console.log("this.setFluxDensity = function(fluxDensity)  { : exiting");
        };

        // create our popup.
        _popupLastClickInfos();
      };

      /*
      ** A function to start/stop an hold-on animation while
      ** an image is prepared by the server until it serves it to the client.
      ** This function is dedicated to be passed a the value
      ** of the option imageLoadFunction of an ImageStatic constructor.
      **
      */
      var _image = null;
      function _onProgress(event) {
        if (event.lengthComputable) {
          var percentComplete = (event.loaded / event.total) * 100;
          console.log("Transfert: %d%%", percentComplete);
        } else {
          // Impossible de calculer la progression puisque la taille totale est inconnue
        }
      }
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      function _onError(event) {
        console.error("Error  " + event.target.status + " during the transfert.");
      }

      function _onLoad(event) {
        // Ici, this.readyState  XMLHttpRequest.DONE .
        if (this.status === 200) {
          console.log("Transfert done - " + this.responseText.length + "bytes.");
          var _srcURI = "data:image/png," + this.responseText;
          console.log("_srcURI=" + _srcURI);
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          _image.getImage().src = _srcURI;
        } else {
          console.log("Response status: %d (%s)", this.status, this.statusText);
        }
        showLoaderAction(false);
      }
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      let hidden_canvas_1 = document.getElementById("hiddenSlice");
      let hidden_canvas_2 = document.getElementById("hiddenSummedSlices");
      //
      //
      // What happends when the image to be displayed in 'image'
      // is loaded. To be used for _map_1
      //
      var _imageLoadFunction_1 = function (image, src) {
        console.log("_imageLoadFunction_1 : entering");
        showLoaderAction(true);
        image.getImage().addEventListener('load', function () {
          showLoaderAction(false);
          hidden_canvas_1.getContext('2d').drawImage(image.getImage(), 0, 0);
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        });
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        image.getImage().src = src;
        image.getImage().crossOrigin = "Anonymous";

        console.log("_imageLoadFunction_1 : exiting");
      };
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      //
      // What happends when the image to be displayed in 'image'
      // is loaded. To be used for _map_2
      //
      var _imageLoadFunction_2 = function (image, src) {
        console.log("_imageLoadFunction_2 : entering");
        showLoaderAction(true);
        image.getImage().addEventListener('load', function () {
          showLoaderAction(false);
          hidden_canvas_2.getContext('2d').drawImage(image.getImage(), 0, 0);
        });
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        image.getImage().src = src;
        image.getImage().crossOrigin = "Anonymous";
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        console.log("_imageLoadFunction_2 : exiting");
      };
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      var SAMPPNGPublishControl = (function (Control) {
        function SAMPPNGPublishControl(opt_options) {
          var options = opt_options || {};
          var button = document.createElement('button');
          button.innerHTML = '&#8663';
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          var element = document.createElement('div');
          element.className = 'samp-publish-png ol-unselectable ol-control';
          element.appendChild(button);
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          Control.call(this, {
            element: element,
            target: options.target
          });
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          this.handlePublish = function () { ; }
          button.addEventListener('click', this.handlePublish.bind(this), false);
          this.setHandler = function (handler) { console.log("Changing handler"); button.addEventListener('click', handler.bind(this), false) };
        }
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        if (Control) SAMPPNGPublishControl.__proto__ = Control;
        SAMPPNGPublishControl.prototype = Object.create(Control && Control.prototype);
        SAMPPNGPublishControl.prototype.constructor = SAMPPNGPublishControl;
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        return SAMPPNGPublishControl;
      }(ol.control.Control));
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      /*
      ** A class definition for the object in charge of displaying
      ** two imagee - one for a slice ( at a given frequency ), one for the sum of
      ** slices ( belonging to a frequency range) of a data cube.
      */
      var _canvasContext_1 = null;

      function SliceViewer(relFITSFilePath, width, height, RADECRangeInDegrees, FITSHeader, divSlice, divSummedSlices) {
        console.log("SliceViewer : entering");

        let _relFITSFilePath = null;
        let _width;
        let _height;
        let _extent;

        let _divSlice;
        let _divSummedSlices;

        let _projection_1;
        let _map_controls_1;
        let _map_1;
        let _im_layer_1;
        let _graticule_1;
        let _data_steps_1;

        let _lastClickMarker_1;

        let _projection_2;
        let _map_controls_2;
        let _select_2;
        let _map_2;
        let _im_layer_2;
        let _graticule_2;
        let _data_steps_2;
        let _box_source_2;
        let _box_layer_2;
        let _dragBox_2;
        let _box_2_extent;
        let _selected_box_2;

        var _sliceIndex;
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        _relFITSFilePath = relFITSFilePath;
        _width = width;
        _height = height;
        _divSlice = divSlice;
        _divSummedSlices = divSummedSlices;
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        hidden_canvas_1.width = _width;
        hidden_canvas_1.height = _height;
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        hidden_canvas_2.width = _width;
        hidden_canvas_2.height = _height;
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        _extent = [0, 0, _width - 1, _height - 1];
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        let _ra0 = RADECRangeInDegrees[0][0];
        let _ra1 = RADECRangeInDegrees[1][0];
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        console.log("_ra0 = " + DecDeg2HMS(_ra0) + " _ra1 =" + DecDeg2HMS(_ra1));
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        let _dec0 = RADECRangeInDegrees[0][1];
        let _dec1 = RADECRangeInDegrees[1][1];
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        console.log("_dec0 = " + DecDeg2HMS(_dec0) + " _dec1 =" + DecDeg2HMS(_dec1));
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        let _raLabelFormatter = new raLabelFormatter(_extent[0], _extent[2], _ra0, _ra1);
        let _decLabelFormatter = new decLabelFormatter(_extent[1], _extent[3], _dec0, _dec1);
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        let _coordinateFormatType_1 = function (olc) {
          let result;
          var ctx = hidden_canvas_1.getContext('2d');
          var pixelAtPosition = ctx.getImageData(olc[0], height - olc[1], 1, 1).data;
          if (pixelAtPosition) {
            var data_steps_index = pixelAtPosition.slice(0, 3).join('_');
            result = 'Chan#' + _sliceIndex + ", " + _raLabelFormatter.format(olc[0]) + ', ' + _decLabelFormatter.format(olc[1]) + ', ' + (_data_steps_1[data_steps_index]).toExponential(2) + " " + _bunit;
          }
          else {
            result = "???";
          }
          return result;
        };
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        let _coordinateFormatType_2 = function (olc) {
          let result;
          var ctx = hidden_canvas_2.getContext('2d');
          var pixelAtPosition = ctx.getImageData(olc[0], height - olc[1], 1, 1).data;
          if (pixelAtPosition) {
            var data_steps_index = pixelAtPosition.slice(0, 3).join('_');
            result = _raLabelFormatter.format(olc[0]) + ', ' + _decLabelFormatter.format(olc[1]) + ', ' + _data_steps_2[data_steps_index].toExponential(1) + " " + summedPixelsUnit(_bunit);
          }
          else {
            result = "???";
          }
          return result;
        };
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        this.getSliceIndex = function () { return sliceIndex; }
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        this.getFluxDensity = function (pixelCoordinate) {
          let result = null;
          var ctx = hidden_canvas_1.getContext('2d');
          var pixelAtPosition = ctx.getImageData(pixelCoordinate[0], height - pixelCoordinate[1], 1, 1).data;
          if (pixelAtPosition) {
            var data_steps_index = pixelAtPosition.slice(0, 3).join('_');
            result = _data_steps_1[data_steps_index];
          }
          else {
            result = "???";
          }
          return result;
        };
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        this.getRADEC = function (pixelCoordinate) {
          return { 'RA': _raLabelFormatter.format(pixelCoordinate[0]), 'DEC': _decLabelFormatter.format(pixelCoordinate[1]) }
        };
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        /*
        ** The slice display
        */
        _projection_1 = new ol.proj.Projection({
          code: 'local_image',
          units: 'pixels',
          extent: _extent,
          worldExtent: [..._extent]
        });

        _map_controls_1 = [
          new ol.control.MousePosition({
            className: 'custom-mouse-position',
            target: document.getElementById('external_mouse_position_1'),
            undefinedHTML: '',
            coordinateFormat: _coordinateFormatType_1
          }),
          new ol.control.MousePosition({
            className: 'custom-mouse-position',
            target: document.getElementById('external_mouse_position_2'),
            undefinedHTML: '',
            coordinateFormat: _coordinateFormatType_2
          }),
          new ol.control.FullScreen()
        ];
      <%if (useSAMP) {%>
          let _sAMPPNGPublishControl_1 = new SAMPPNGPublishControl();
          _sAMPPNGPublishControl_1.setHandler(sAMPPublisher.sendPNGSlice);
  <%}%>
          _map_1 = new ol.Map({
            target: _divSlice,
            view: new ol.View({
              projection: _projection_1,
              center: ol.extent.getCenter(_extent),
              resolution: hidden_canvas_1.width / 512
            })
              <%if(useSAMP) {%>
  ,
                controls: ol.control.defaults().extend([
                  _sAMPPNGPublishControl_1
                ])
                  <%}%>
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      });

      _graticule_1 = new ol.Graticule({
        showLabels: true,
        strokeStyle: new ol.style.Stroke({
          color: 'rgba(0,0,0,0.9)',
          width: 1,
          lineDash: [0.5, 4]
        }),
        //targetSize: 75,
        lonLabelFormatter: _raLabelFormatter.format,
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        lonLabelStyle: new ol.style.Text({
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          font: '12px Calibri,sans-serif',
          textBaseline: 'bottom',
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          fill: new ol.style.Fill({ color: 'rgba(0,0,0,1)' }),
          stroke: new ol.style.Stroke({ color: 'rgba(255,255,255,1)', width: 3 })
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        }),
        latLabelFormatter: _decLabelFormatter.format
      });
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      document.getElementById("slice").addEventListener("mouseenter", function () {
        _map_controls_1.forEach(function (ctrl) {
          _map_1.addControl(ctrl);
        });
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      });
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      document.getElementById("slice").addEventListener("mouseleave", function () {
        _map_controls_1.forEach(function (ctrl) {
          _map_1.removeControl(ctrl);
        });
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      });

      _graticule_1.setMap(_map_1);

      _lastClickMarker_1 = new LastClickMarker(_map_1);

      this.markLastClickInSlice = function (coordinate) {
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        _lastClickMarker_1.setPositionAndFluxDensity(
          {
            "coordinate": coordinate,
            "chanIndex": _sliceIndex,
            "RADEC": this.getRADEC(coordinate),
            "fluxDensity": "t.b.d."
          }
        );
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      };
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      this.setFluxDensityInPopup = function (density) {
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        _lastClickMarker_1.setFluxDensity(density * unitRescale(_bunit), _sliceIndex);
      }

      /*
      ** The sum of slices display
      */
      _projection_2 = new ol.proj.Projection({
        code: 'local_image',
        units: 'pixels',
        extent: _extent,
        worldExtent: [..._extent]
      });

      _map_controls_2 = [
        new ol.control.MousePosition({
          className: 'custom-mouse-position',
          target: document.getElementById('external_mouse_position_1'),
          undefinedHTML: '',
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          coordinateFormat: _coordinateFormatType_1
        }),
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        new ol.control.MousePosition({
          className: 'custom-mouse-position',
          target: document.getElementById('external_mouse_position_2'),
          undefinedHTML: '',
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          coordinateFormat: _coordinateFormatType_2
        }),
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        new ol.control.FullScreen()
      ];
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      <%if (useSAMP) {%>
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        let _sAMPPNGPublishControl_2 = new SAMPPNGPublishControl();
        _sAMPPNGPublishControl_2.setHandler(sAMPPublisher.sendPNGSummedSlices);
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  <%}%>

        _map_2 = new ol.Map({
          target: _divSummedSlices,
          view: new ol.View({
            projection: _projection_2,
            center: ol.extent.getCenter(_extent),
            resolution: hidden_canvas_2.width / 512
          })
            <%if(useSAMP) {%>
  ,
              controls: ol.control.defaults().extend([
                _sAMPPNGPublishControl_2
              ])
                <%}%>
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      });
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      document.getElementById("summedslices").addEventListener("mouseenter", function () {
        _map_controls_2.forEach(function (ctrl) {
          _map_2.addControl(ctrl);
        });
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      });
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      document.getElementById("summedslices").addEventListener("mouseleave", function () {
        _map_controls_2.forEach(function (ctrl) {
          _map_2.removeControl(ctrl);
        });
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      });

      // Here we have the stuff to generate reticule on summedslices.
      //
      _graticule_2 = new ol.Graticule({
        showLabels: true,
        strokeStyle: new ol.style.Stroke({
          color: 'rgba(0,0,0,0.9)',
          width: 1,
          lineDash: [0.5, 4]
        }),
        targetSize: 100,
        lonLabelFormatter: _raLabelFormatter.format,
        latLabelFormatter: _decLabelFormatter.format,
        decLabelPosition: 0.92
      });

      _graticule_2.setMap(_map_2);

      // Here we have all the stuff to create boxes on summedslices
      // and trigger the update of the spectrum of sums of pixels per slice
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      _box_source_2 = new ol.source.Vector({ wrapX: false });
      _box_layer_2 = new ol.layer.Vector({ source: _box_source_2 });

      _select_2 = new ol.interaction.Select({ condition: ol.events.pointerMove });
      _select_2.on('select', function (e) {
        console.log(
          e.target.getFeatures().getLength() +
          ' selected features (last operation selected ' + e.selected.length +
          ' and deselected ' + e.deselected.length + ' features)');
        if (e.selected.length) {
          _selected_box_2 = e.selected[0];
          var extent = e.selected[0].getGeometry().getExtent();
          summedPixelsSpectrumViewer.plot(extent[0], extent[2], extent[1], extent[3]);
          ROI.iRA0 = Math.round(extent[0]);
          ROI.iRA1 = Math.round(extent[2]);
          ROI.iDEC0 = Math.round(extent[1]);
          ROI.iDEC1 = Math.round(extent[3]);
        }
      });
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      _map_2.addInteraction(_select_2);

      _dragBox_2 = new ol.interaction.DragBox();
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      _dragBox_2.on('boxend', function () {
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        var extent = _dragBox_2.getGeometry().getExtent();
        var tl = ol.extent.getTopLeft(extent);
        var tr = ol.extent.getTopRight(extent);
        var br = ol.extent.getBottomRight(extent);
        var bl = ol.extent.getBottomLeft(extent);

        var corners = []
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        corners.push(tl, tr, br, bl, tl);
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        var ln = new ol.geom.LinearRing(corners);
        var style = {
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          strokeColor: "#00FF00",
          strokeOpacity: 1,
          strokewidth: 3,
          fillColor: "#00FF00",
          fillOpacity: 0.8,
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        };
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        var pf = new ol.Feature({ geometry: new ol.geom.Polygon([corners]) });
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        _box_source_2.addFeature(pf);
      })

      _map_2.addInteraction(_dragBox_2);

      let _updateSliceWithPOST = function () {
        console.log('_updateSliceWithPOST: entering');
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        showLoaderAction(true);
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        ittName = $('#ITTSelector').find(':selected').text().trim()
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        lutName = $('#LUTSelector').find(':selected').text().trim()
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        vmName = $('#VideoModeSelector').find(':selected').text().trim()
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        $.post('png', { 'si': _sliceIndex, 'relFITSFilePath': _relFITSFilePath, 'ittName': ittName, 'lutName': lutName, 'vmName': vmName }).done(
          function (resp) {
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            console.log("$.post('/png', {'si': _sliceIndex, 'relFITSFilePath': _relFITSFilePath}).done(: entering");
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            if (resp["status"] == false) {
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              alert("Something went wrong during the generation of the image. The message was '" + resp["message"] + "'");
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            }
            else {
              _data_steps_1 = resp["result"]["data_steps"];
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              if (_instrume == "SITELLE") {
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                for (var k in _data_steps_1) {
                  if (_data_steps_1.hasOwnProperty(k)) {
                    _data_steps_1[k] /= Math.abs(3600. * 3600. * _cdelt1 * _cdelt2);
                  }
                }
              }
              var path_to_png = resp["result"]["path_to_png"];
              if (_im_layer_1) {
                _map_1.removeLayer(_im_layer_1);
              }
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              _im_layer_1 = new ol.layer.Image({
                source: new ol.source.ImageStatic({
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                  url: "<%=urlRoot%>" + "/" + path_to_png,
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                  projection: _projection_1,
                  imageExtent: _extent,
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                  imageLoadFunction: _imageLoadFunction_1
                })
              });
              _map_1.addLayer(_im_layer_1);
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            }
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  <% if (useSAMP) {%>
              sAMPPublisher.setSliceRelPNGPath(path_to_png);
  <%}%>
            showLoaderAction(false);
            console.log("$.post('/png', {'si': _sliceIndex, 'path': _path}).done(: exiting");
          }
        )
        console.log('_updateSliceWithPOST: exiting');
      };
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      let _displaySlice = function (relFITSFilePath, sliceIndex) {
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        console.log('_displaySlice : entering');
        _sliceIndex = sliceIndex;
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        _relFITSFilePath = relFITSFilePath;
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        _updateSliceWithPOST();
        console.log('_displaySlice : exiting');
      };
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      let _updateSummedSlicesWithPOST = function () {
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        console.log("_updateSummedSlicesWithPOST : entering");
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        showLoaderAction(true);
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        ittName = $('#ITTSelector').find(':selected').text().trim()
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        lutName = $('#LUTSelector').find(':selected').text().trim()
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        vmName = $('#VideoModeSelector').find(':selected').text().trim()
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        $.post('sumpng', { 'si0': _sliceIndex0, 'si1': _sliceIndex1, 'relFITSFilePath': _relFITSFilePath, 'ittName': ittName, 'lutName': lutName, 'vmName': vmName }).done(
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          function (resp) {
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            console.log("$.post('/sumpng', {'si0': _sliceIndex0, 'si1': _sliceIndex1, 'relFITSFilePath': relFITSFilePath}).done() : entering");
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            if (resp["status"] == false) {
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              alert("Something went wrong during the generation of the image. The message was '" + resp["message"] + "'");
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            }
            else {
              _data_steps_2 = resp["result"]["data_steps"];
              var path_to_png = resp["result"]["path_to_png"];

              if (_im_layer_2) {
                _map_2.removeLayer(_im_layer_2);
                _map_2.removeLayer(_box_layer_2);
              }
              _im_layer_2 = new ol.layer.Image({
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                source: new ol.source.ImageStatic({
                  url: "<%=urlRoot%>" + "/" + path_to_png,
                  projection: _projection_2,
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                  imageExtent: _extent,
                  imageLoadFunction: _imageLoadFunction_2
                })
              });
              _map_2.addLayer(_im_layer_2);
              _map_2.addLayer(_box_layer_2);
            }
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  <%if (useSAMP) {%>
              sAMPPublisher.setSummedSlicesRelPNGPath(path_to_png);
  <%}%>
            showLoaderAction(false);
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            console.log("$.post('/sumpng', {'si0': _sliceIndex0, 'si1': _sliceIndex1, 'relFITSFilePath': relFITSFilePath}).done() : exiting");
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          });
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        console.log("_updateSummedSlicesWithPOST : exiting");
      };
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      let _displaySummedSlices = function (relFITSFilePath, sliceIndex0, sliceIndex1) {
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        console.log("let _displaySummedSlices = function(relFITSFilePath, sliceIndex0, sliceIndex1) { : entering");
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        _sliceIndex0 = sliceIndex0;
        _sliceIndex1 = sliceIndex1;
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        _relFITSFilePath = relFITSFilePath;
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        _updateSummedSlicesWithPOST();
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        console.log("let _displaySummedSlices = function(relFITSFilePath, sliceIndex0, sliceIndex1) { : exiting");
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      };
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      this.display = function (sliceIndex, sliceIndex0, sliceIndex1) {
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        console.log("display: entering");
        _sliceIndex = sliceIndex;
        _displaySlice(_relFITSFilePath, _sliceIndex);
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        if (sliceIndex0 != undefined && sliceIndex1 != undefined) {
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          _sliceIndex0 = sliceIndex0;
          _sliceIndex1 = sliceIndex1;
          _displaySummedSlices(_relFITSFilePath, _sliceIndex0, _sliceIndex1);
        }
        console.log("display: exiting");
      };
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      this.refresh = function () {
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        console.log("refresh: entering")
        _updateSliceWithPOST();
        _updateSummedSlicesWithPOST();
        console.log("refresh: exiting")
      }
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      this.updateSummedSlices = function (sliceIndex0, sliceIndex1) {
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        ENTER();
        _sliceIndex0 = sliceIndex0;
        _sliceIndex1 = sliceIndex1;
        _displaySummedSlices(_relFITSFilePath, _sliceIndex0, _sliceIndex1);
        EXIT();
      };
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      var updateView = function (event, viewRef) {
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        let newValue = event.target.get(event.key);
        viewRef.set(event.key, newValue);
      };
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      this.forgetSelectedBox = function () {
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        console.log('this.forgetSelectedBox = function() {: entering');
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        var styleForget = function () {
          return [new ol.style.Style({ stroke: new ol.style.Stroke({ color: [255, 0, 0, 1] }) })];
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        };

        if (_selected_box_2) {
          _selected_box_2.setStyle(styleForget);
          _box_source_2.removeFeature(_selected_box_2);
          _box_source_2.refresh();
          summedPixelsSpectrumViewer.plot();

        }
        console.log('this.forgetSelectedBox = function() {: exiting');
      }
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      _map_1.getView().on('change:resolution', function (event) {
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        updateView(event, _map_2.getView());
      });
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      _map_1.getView().on('change:center', function (event) {
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        updateView(event, _map_2.getView());
      });
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