private float getStreetWidth(int zoom, EdgeProperties p) {
float width;
if (p.getType() != HighwayType.Tertiary
&& p.getType() != HighwayType.Unclassified
&& p.getType() != HighwayType.Residential) {
width = (HighwayType.values().length - p.getType().ordinal()) * 6 / (20f - zoom) + 2;
} else {
width = Math.max(28 - (20 - zoom) * 5, 1);
}
return width;
}
