The widget script below can be used to change the opacity of scatter chart markers, either for specific series (colors) or for the entire chart (Last Tested on 7.1.1.10089).
//Series you want to adjust. Leaving this array empty will adjust all series in he chart.
var categoriesToChange = [];
//Opacity value between 0 (completely transparent) and 1 (completely solid)
var opacity = 0.1;
widget.on('beforeviewloaded',function(se,ev){
// if the array is empty, change opacity for all categories
if(categoriesToChange.length === 0){
ev.options.series.forEach(function(ser){
if (ser.marker){
ser.marker.fillOpacity = opacity;
}
})
}
else {
categoriesToChange.forEach(function(category){
var ser = ev.options.series.find(function(s){
return s.name.toLowerCase() === category.toLowerCase();}
);
if (ser.marker){
ser.marker.fillOpacity = opacity;
}
})
}
})
