oninput="render ()">\
                    <option value="linear_scale">Échelle linéaire</option><option value="logarithmic_scale">Échelle logarithmique</option>\
                    <option value="quantiles">Quantiles</option></select>\
                    Palette de couleurs : <select name="colors" id="colors-select" oninput="render (); colorsValue ()">\
                    <option value="YlOrRd">YlOrRd</option><option value="Blues">Blues</option><option value="BrBG">BrBG</option>\
                    <