scaleDenominatorAt method
The map scale denominator at given latitude
, zoom
and screenPPI
.
By default screenPPI
of ~ 90.7 ppi is used (based on a screen pixel of
0.28 mm defined by OGC). Another common value is 96 ppi.
Implementation
double scaleDenominatorAt({
required double latitude,
required int zoom,
double screenPPI = screenPPIbyOGC,
}) =>
pixelGroundResolutionAt(latitude: latitude, zoom: zoom) *
screenPPI /
0.0254;