function quizAnswerOn() {


    var quiz_baustelle = ["quiz_baustelle"]
    var quiz_kirche = ["quiz_kirche"]
    var quiz_Marktplatz = ["quiz_Marktplatz"]
    var quiz_Meerschweinchen = ["quiz_Meerschweinchen"]
    var quiz_Pragfriedhof = ["quiz_Pragfriedhof"]
    var quiz_Rosensteinpark = ["quiz_Rosensteinpark"]
    var quiz_Skaten = ["quiz_Skaten"]
    var quiz_UFA_Palast = ["quiz_UFA_Palast"]

    var layers = framework.getLayers();

    for (var i = 0; i< layers.length; i++) {
    var layer = layers[i];
    if(quiz_baustelle.indexOf(layer.name) >= 0) {
    layer.activate(true);
    } else if (quiz_kirche.indexOf(layer.name) >= 0){
        layer.activate(true);
    }else if (quiz_Marktplatz.indexOf(layer.name) >= 0){
        layer.activate(true);
    }else if (quiz_Meerschweinchen.indexOf(layer.name) >= 0){
        layer.activate(true);
    }else if (quiz_Pragfriedhof.indexOf(layer.name) >= 0){
        layer.activate(true);
    }else if (quiz_Rosensteinpark.indexOf(layer.name) >= 0){
        layer.activate(true);
    }else if (quiz_Skaten.indexOf(layer.name) >= 0){
        layer.activate(true);
    }else if (quiz_UFA_Palast.indexOf(layer.name) >= 0){
        layer.activate(true);
    }

  }  


}
function quizAnswerOff() {

  var quiz_baustelle = ["quiz_baustelle"]
  var quiz_kirche = ["quiz_kirche"]
  var quiz_Marktplatz = ["quiz_Marktplatz"]
  var quiz_Meerschweinchen = ["quiz_Meerschweinchen"]
  var quiz_Pragfriedhof = ["quiz_Pragfriedhof"]
  var quiz_Rosensteinpark = ["quiz_Rosensteinpark"]
  var quiz_Skaten = ["quiz_Skaten"]
  var quiz_UFA_Palast = ["quiz_UFA_Palast"]


  var layers = framework.getLayers();

  for (var i = 0; i< layers.length; i++) {
  var layer = layers[i];
    if(quiz_baustelle.indexOf(layer.name) >= 0) {
    layer.activate(false);
    }else if (quiz_kirche.indexOf(layer.name) >= 0){
        layer.activate(false);
    }else if (quiz_Marktplatz.indexOf(layer.name) >= 0){
        layer.activate(false);
    }else if (quiz_Meerschweinchen.indexOf(layer.name) >= 0){
        layer.activate(false);
    }else if (quiz_Pragfriedhof.indexOf(layer.name) >= 0){
        layer.activate(false);
    }else if (quiz_Rosensteinpark.indexOf(layer.name) >= 0){
        layer.activate(false);
    }else if (quiz_Skaten.indexOf(layer.name) >= 0){
        layer.activate(false);
    }else if (quiz_UFA_Palast.indexOf(layer.name) >= 0){
        layer.activate(false);
    }

  }

}



let baustellePoint
let point_baustelle
let point_kirche
let point_marktplatz
let point_meerschweinchen
let point_pragfriedhof
let point_rosensteinpark
let point_skaten
let point_ufapalast



var poly_baustelle = turf.polygon([[[9.192030041439407,48.795435967671466],
                     [9.193216723986483,48.79495488792281],
                     [9.193868262453837,48.79608377989257],
                     [9.19323753687872,48.79624768458771],
                     [9.19272846497538,48.79547341656016],
                     [9.192181723252217,48.79565298639707],
                     [9.192030041439407,48.795435967671466]]]);
var poly_kirche = turf.polygon([[[9.188408368748892,48.795100250655054],
                    [9.188924612595006,48.795012123976335],
                    [9.189098065897257,48.79549757627021],
                    [9.188575644592794,48.7956045547285],
                    [9.188408368748892,48.795100250655054]]]);
var poly_Marktplatz = turf.polygon([[[9.190168307967882,48.79728419808009],
                    [9.1910874206942,48.79725140057769],
                    [9.191087538901344,48.79748221171445],
                    [9.190187007187546,48.79748110760161],
                    [9.190168307967882,48.79728419808009]]]);
var poly_Meerschweinchen = turf.polygon([[[9.186806098731616,48.79881951602704],
                    [9.188600335393922,48.79719781391975],
                    [9.188949173861737,48.79762091492424],
                    [9.187848177581678,48.79928734715429],
                    [9.186806098731616,48.79881951602704]]]); 
var poly_Pragfriedhof = turf.polygon([[[9.182333160394126,48.794227837883454],
                    [9.186647005279728,48.79259326288354],
                    [9.186647005279728,48.79259326288354],
                    [9.18715941385583,48.792952193405455],
                    [9.188289000958733,48.79385430267109],
                    [9.188891598423863,48.79484809259648],
                    [9.188924740247561,48.79612690389061],
                    [9.188799960354077,48.79681309093797],
                    [9.18825406781832,48.797313503843924],
                    [9.187345300590598,48.797925407270014],
                    [9.186793822718,48.79823773268251],
                    [9.186096400913614,48.79847389780855],
                    [9.185376581862181,48.79853414827693],
                    [9.18419156582769,48.79836173569811],
                    [9.182740250555623,48.79801651120249],
                    [9.182333160394126,48.794227837883454]]]);                   
var poly_Rosensteinpark = turf.polygon([[[9.203808052932066,48.79875367235891],
                    [9.208012295476198,48.79907274921155],
                    [9.20859308579052,48.79995508393404],
                    [9.208307227582281,48.80047891317108],
                    [9.20655387838112,48.80160753910721],
                    [9.206056324076444,48.80174552856627],
                    [9.206914332149998,48.803294486473106],
                    [9.205121147799815,48.80447843399779],
                    [9.204787225158146,48.80524383611939],
                    [9.204293772298964,48.805772976987896],
                    [9.202644486340354,48.80554330738289],
                    [9.200742163801127,48.805730074499024],
                    [9.197993600884352,48.80570592345538],
                    [9.19408063624374,48.806578150352806],
                    [9.192236234986755,48.80700516129579],
                    [9.190481412880551,48.80711898114146],
                    [9.189377614525243,48.80715362417243],
                    [9.189612496570103,48.806420338495116],
                    [9.190483699672992,48.80542080612048],
                    [9.191367708214424,48.804618160154064],
                    [9.192006815165342,48.80394202915721],
                    [9.192960405298813,48.80329637888474],
                    [9.19511584478854,48.80235904555161],
                    [9.196720543284407,48.801721976270414],
                    [9.198002225814102,48.801426584371825],
                    [9.199607833356552,48.80105249758515],
                    [9.200559174570628,48.800752502238794],
                    [9.20147085629273,48.800194609436886],
                    [9.202729092947616,48.79948163061957],
                    [9.203122591861353,48.79926610161402],
                    [9.203808052932066,48.79875367235891]]]);
var poly_Skaten = turf.polygon([[[9.186665264444466,48.79273677965645],
                    [9.187115163885181,48.79257958028356],
                    [9.18774299900375,48.79299776284847],
                    [9.18737613418959,48.793241842711154],
                    [9.186665264444466,48.79273677965645]]]);
var poly_UFA_Palast = turf.polygon([[[9.191762686194787,48.793611450616766],
                    [9.19244968983106,48.79299940951094],
                    [9.193279947526518,48.79382263074581],
                    [9.192640547940316,48.794189163732284],
                    [9.191762686194787,48.793611450616766]]]);
var ptsWithin
var ptsWithin_bau
var ptsWithin_prag
var ptsWithin_markt
var ptsWithin_skaten
var ptsWithin_kirche
var ptsWithin_meerschweinchen
var ptsWithin_ufa
var ptsWithin_rosenstein


function check_Bau(location) {

   

    if (location == "quiz_baustelle"){
        var points = turf.points([
            [point_baustelle.lon, point_baustelle.lat]
        ]);
        ptsWithin = turf.pointsWithinPolygon(points, poly_baustelle);

        console.log(ptsWithin);
        if (ptsWithin.features.length == 0){
            document.getElementById("solution_bau").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin.features.length == 1){
            document.getElementById("solution_bau").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
    } else if (location == "quiz_pragfriedhof"){
        var points = turf.points([
            [point_pragfriedhof.lon, point_pragfriedhof.lat]
        ]);
        ptsWithin = turf.pointsWithinPolygon(points, poly_Pragfriedhof);

        if (ptsWithin.features.length == 0){
            document.getElementById("solution_prag").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin.features.length == 1){
            document.getElementById("solution_prag").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
    } else if (location == "quiz_marktplatz"){
        var points = turf.points([
            [point_marktplatz.lon, point_marktplatz.lat]
        ]);
        ptsWithin = turf.pointsWithinPolygon(points, poly_Marktplatz);

        if (ptsWithin.features.length == 0){
            document.getElementById("solution_markt").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin.features.length == 1){
            document.getElementById("solution_markt").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
    } else if (location == "quiz_skaten"){
        var points = turf.points([
            [point_skaten.lon, point_skaten.lat]
        ]);
        ptsWithin = turf.pointsWithinPolygon(points, poly_Skaten);

        if (ptsWithin.features.length == 0){
            document.getElementById("solution_skaten").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin.features.length == 1){
            document.getElementById("solution_skaten").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
    } else if (location == "quiz_kirche"){
        var points = turf.points([
            [point_kirche.lon, point_kirche.lat]
        ]);
        ptsWithin = turf.pointsWithinPolygon(points, poly_kirche);

        if (ptsWithin.features.length == 0){
            document.getElementById("solution_kirche").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin.features.length == 1){
            document.getElementById("solution_kirche").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
    } else if (location == "quiz_meerschweinchen"){
        var points = turf.points([
            [point_meerschweinchen.lon, point_meerschweinchen.lat]
        ]);
        ptsWithin = turf.pointsWithinPolygon(points, poly_Meerschweinchen);

        if (ptsWithin.features.length == 0){
            document.getElementById("solution_meerschweinchen").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin.features.length == 1){
            document.getElementById("solution_meerschweinchen").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
    } else if (location == "quiz_ufapalast"){
        var points = turf.points([
            [point_ufapalast.lon, point_ufapalast.lat]
        ]);
        ptsWithin = turf.pointsWithinPolygon(points, poly_UFA_Palast);

        if (ptsWithin.features.length == 0){
            document.getElementById("solution_ufapalast").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin.features.length == 1){
            document.getElementById("solution_ufapalast").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
    } else if (location == "quiz_rostensteinpark"){
        var points = turf.points([
            [point_rosensteinpark.lon, point_rosensteinpark.lat]
        ]);
        ptsWithin = turf.pointsWithinPolygon(points, poly_Rosensteinpark);

        if (ptsWithin.features.length == 0){
            document.getElementById("solution_rosenstein").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin.features.length == 1){
            document.getElementById("solution_rosenstein").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
    } else if (location == "all"){
        var points_bau = turf.points([
            [point_baustelle.lon, point_baustelle.lat]
        ]);
        ptsWithin_bau = turf.pointsWithinPolygon(points_bau, poly_baustelle);

        var points_prag = turf.points([
            [point_pragfriedhof.lon, point_pragfriedhof.lat]
        ]);
        ptsWithin_prag = turf.pointsWithinPolygon(points_prag, poly_Pragfriedhof);

        var points_markt = turf.points([
            [point_marktplatz.lon, point_marktplatz.lat]
        ]);
        ptsWithin_markt = turf.pointsWithinPolygon(points_markt, poly_Marktplatz);

        var points_skaten = turf.points([
            [point_skaten.lon, point_skaten.lat]
        ]);
        ptsWithin_skaten = turf.pointsWithinPolygon(points_skaten, poly_Skaten);

        var points_kirche = turf.points([
            [point_kirche.lon, point_kirche.lat]
        ]);
        ptsWithin_kirche = turf.pointsWithinPolygon(points_kirche, poly_kirche);

        var points_meer = turf.points([
            [point_meerschweinchen.lon, point_meerschweinchen.lat]
        ]);
        ptsWithin_meerschweinchen = turf.pointsWithinPolygon(points_meer, poly_Meerschweinchen);

        var points_ufa = turf.points([
            [point_ufapalast.lon, point_ufapalast.lat]
        ]);
        ptsWithin_ufa = turf.pointsWithinPolygon(points_ufa, poly_UFA_Palast);

        var points_rosen = turf.points([
            [point_rosensteinpark.lon, point_rosensteinpark.lat]
        ]);
        ptsWithin_rosenstein = turf.pointsWithinPolygon(points_rosen, poly_Rosensteinpark);
    
    
        if (ptsWithin_bau.features.length == 0){
            document.getElementById("solution_bau").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin_bau.features.length == 1){
            document.getElementById("solution_bau").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
        if (ptsWithin_prag.features.length == 0){
            document.getElementById("solution_prag").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin_prag.features.length == 1){
            document.getElementById("solution_prag").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
        if (ptsWithin_markt.features.length == 0){
            document.getElementById("solution_markt").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin_markt.features.length == 1){
            document.getElementById("solution_markt").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
        if (ptsWithin_skaten.features.length == 0){
            document.getElementById("solution_skaten").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin_skaten.features.length == 1){
            document.getElementById("solution_skaten").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
        if (ptsWithin_kirche.features.length == 0){
            document.getElementById("solution_kirche").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin_kirche.features.length == 1){
            document.getElementById("solution_kirche").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
        if (ptsWithin_meerschweinchen.features.length == 0){
            document.getElementById("solution_meerschweinchen").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin_meerschweinchen.features.length == 1){
            document.getElementById("solution_meerschweinchen").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
        if (ptsWithin_ufa.features.length == 0){
            document.getElementById("solution_ufapalast").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin_ufa.features.length == 1){
            document.getElementById("solution_ufapalast").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
        if (ptsWithin_rosenstein.features.length == 0){
            document.getElementById("solution_rosenstein").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_wrong.png";
        } else if (ptsWithin_rosenstein.features.length == 1){
            document.getElementById("solution_rosenstein").src="https://transfer.hft-stuttgart.de/partizipation/datasource-data/NoiseData/Icons_soundquiz/icon_right.png";
        }
    
    
    
    
    }

    //ptsWithin = turf.pointsWithinPolygon(points, poly_baustelle);
    // console.log(ptsWithin);
    // if (ptsWithin.features.length == 0){
    //     alert(false);
    // } else if (ptsWithin.features.length == 1){
    //     alert(true);
    // }
}























// var polygone=   [
//     [-73.89632720118, 40.8515320489962],
//     [-73.8964878416508, 40.8512476593594],
//     [-73.8968799791431, 40.851375925454],
//     [-73.8967188588015, 40.851660158514],
//     [-73.89632720118, 40.8515320489962]
// ]

// var baustelle = [[9.192030041439407,48.795435967671466],
//                 [9.193216723986483,48.79495488792281],
//                 [9.193868262453837,48.79608377989257],
//                 [9.19323753687872,48.79624768458771],
//                 [9.19272846497538,48.79547341656016],
//                 [9.192181723252217,48.79565298639707],
//                 [9.192030041439407,48.795435967671466]]

// let baustellePoint

// function isPointInPoly(poly, pt){
// for(var c = false, i = -1, l = poly.length, j = l - 1; ++i < l; j = i)
// ((poly[i][1] <= pt[1] && pt[1] < poly[j][1]) || (poly[j][1] <= pt[1] && pt[1] < poly[i].y))
// && (pt[0] < (poly[j][0] - poly[i][0]) * (pt[1] - poly[i][1]) / (poly[j][1] - poly[i][1]) + poly[i][0])
// && (c = !c);
// return c;
// }


// function check_Bau() {
//     alert(baustellePoint.lon + " - " + baustellePoint.lat)
// alert(isPointInPoly(baustelle, [baustellePoint.lon, baustellePoint.lat]));

// }