void DetailsMap_TargetViewChanged(object sender, MapEventArgs e)
{
GeoCoordinate center = DetailsMap.TargetCenter;
mapHasMoved = true;
if (DetailsMap.TargetZoomLevel >= minZoomLevel)
{
viewModel.LoadStopsForLocation(center);
}
#if DEBUG
cacheRectLayer.Children.Clear();
int roundingLevel = 2;
int multiplier = 3;
double positiveOffset = (Math.Pow(.1, roundingLevel) * 0.5) / multiplier;
double negativeOffset = (Math.Pow(.1, roundingLevel) * 0.5) / multiplier;
double lat = Math.Round(center.Latitude * multiplier, roundingLevel) / multiplier;
double lon = Math.Round(center.Longitude * multiplier, roundingLevel) / multiplier;
// Round off the extra decimal places to prevent double precision issues
// from causing multiple cache entires
GeoCoordinate roundedLocation = new GeoCoordinate(
Math.Round(lat, roundingLevel + 1),
Math.Round(lon, roundingLevel + 1)
);
MapPolygon cacheSquare = new MapPolygon();
cacheSquare.Locations = new LocationCollection();
cacheSquare.Locations.Add(new GeoCoordinate(roundedLocation.Latitude + positiveOffset, roundedLocation.Longitude + positiveOffset));
cacheSquare.Locations.Add(new GeoCoordinate(roundedLocation.Latitude - negativeOffset, roundedLocation.Longitude + positiveOffset));
cacheSquare.Locations.Add(new GeoCoordinate(roundedLocation.Latitude - negativeOffset, roundedLocation.Longitude - negativeOffset));
cacheSquare.Locations.Add(new GeoCoordinate(roundedLocation.Latitude + positiveOffset, roundedLocation.Longitude - negativeOffset));
cacheSquare.Stroke = new SolidColorBrush(Colors.Black);
cacheSquare.StrokeThickness = 5;
cacheRectLayer.Children.Add(cacheSquare);
Pushpin requestCenterPushpin = new Pushpin();
requestCenterPushpin.Location = roundedLocation;
cacheRectLayer.Children.Add(requestCenterPushpin);
CenterControl deadCenter = new CenterControl();
cacheRectLayer.AddChild(deadCenter, center, PositionOrigin.Center);
#endif
}
void DetailsMap_TargetViewChanged(object sender, MapEventArgs e)
{
GeoCoordinate center = DetailsMap.TargetCenter;
mapHasMoved = true;
if (DetailsMap.TargetZoomLevel >= minZoomLevel)
{
viewModel.LoadStopsForLocation(center);
}
#if DEBUG
cacheRectLayer.Children.Clear();
int roundingLevel = 2;
int multiplier = 3;
double positiveOffset = (Math.Pow(.1, roundingLevel) * 0.5) / multiplier;
double negativeOffset = (Math.Pow(.1, roundingLevel) * 0.5) / multiplier;
double lat = Math.Round(center.Latitude * multiplier, roundingLevel) / multiplier;
double lon = Math.Round(center.Longitude * multiplier, roundingLevel) / multiplier;
// Round off the extra decimal places to prevent double precision issues
// from causing multiple cache entires
GeoCoordinate roundedLocation = new GeoCoordinate(
Math.Round(lat, roundingLevel + 1),
Math.Round(lon, roundingLevel + 1)
);
MapPolygon cacheSquare = new MapPolygon();
cacheSquare.Locations = new LocationCollection();
cacheSquare.Locations.Add(new GeoCoordinate(roundedLocation.Latitude + positiveOffset, roundedLocation.Longitude + positiveOffset));
cacheSquare.Locations.Add(new GeoCoordinate(roundedLocation.Latitude - negativeOffset, roundedLocation.Longitude + positiveOffset));
cacheSquare.Locations.Add(new GeoCoordinate(roundedLocation.Latitude - negativeOffset, roundedLocation.Longitude - negativeOffset));
cacheSquare.Locations.Add(new GeoCoordinate(roundedLocation.Latitude + positiveOffset, roundedLocation.Longitude - negativeOffset));
cacheSquare.Stroke = new SolidColorBrush(Colors.Black);
cacheSquare.StrokeThickness = 5;
cacheRectLayer.Children.Add(cacheSquare);
Pushpin requestCenterPushpin = new Pushpin();
requestCenterPushpin.Location = roundedLocation;
cacheRectLayer.Children.Add(requestCenterPushpin);
CenterControl deadCenter = new CenterControl();
cacheRectLayer.AddChild(deadCenter, center, PositionOrigin.Center);
#endif
}
