zoom method
Implementation
String zoom() {
switch (this) {
case ReverseZoom.country:
return "3";
case ReverseZoom.state:
return "5";
case ReverseZoom.county:
return "8";
case ReverseZoom.city:
return "10";
case ReverseZoom.suburb:
return "14";
case ReverseZoom.majorStreets:
return "16";
case ReverseZoom.majorAndMinorStreets:
return "17";
case ReverseZoom.building:
return "18";
}
}