private void SearchPlaceAndNearbys()
{
// Reset UI and clear existing before search again.
ClearupPreviousSearchResult();
searchPoint = GetSearchPoint();
// osmReverseGeocoder only support 4326, we need convert point to 4326
var projectedSearchPoint = (PointShape)projection.ConvertToInternalProjection(searchPoint);
// Create the searchPreference by UI controls.
SearchPreference searchPreference = GetSearchPreferenceFromUI();
searchResult = osmReverseGeocoder.Search(projectedSearchPoint, searchPreference);
if (searchResult != null)
{
// convert result to 3857
foreach (var place in searchResult.Nearby)
{
place.Geometry = projection.ConvertToExternalProjection(place.Geometry);
var point = projection.ConvertToExternalProjection(place.CenterLongitude, place.CenterLatitude);
place.CenterLongitude = point.X;
place.CenterLatitude = point.Y;
}
// Update search result to map markers.
DisplaySearchResult(searchResult);
// Update search result to left panel list.
tabSearchResult.SelectedIndex = 0;
TabSearchResult_SelectionChanged(tabSearchResult, null);
}
}
private SearchPreference GetSearchPreferenceFromUI()
{
// Set parameters for searchPreference.
SearchPreference searchPreference = new SearchPreference()
{
MaxSearchRadiusInMeter = Convert.ToDouble(maxSearchIntersectionRadius.Text, CultureInfo.InvariantCulture),
ResultMode = ResultMode.Verbose,
MaxResultCount = 20
};
// Read the search categories for nearbys.
if (nearbySearchCategory.SelectedIndex == 0)
{
searchPreference.NearbyPlaceCategories = PlaceCategories.None;
}
else if (nearbySearchCategory.SelectedIndex == 1)
{
searchPreference.NearbyPlaceCategories = PlaceCategories.Common;
}
else if (nearbySearchCategory.SelectedIndex == 2)
{
searchPreference.NearbyPlaceCategories = PlaceCategories.All;
}
else
{
searchPreference.NearbyPlaceCategories = PlaceCategories.None;
Collection <PlaceCategories> searchPlaceCategoriesForNearBy = new Collection <PlaceCategories>();
for (int i = 0; i < categoryGrid.Children.Count; i++)
{
if (categoryGrid.Children[i] is CheckBox)
{
CheckBox category = (CheckBox)categoryGrid.Children[i];
if (category.IsChecked == true)
{
PlaceCategories selectedCategory = (PlaceCategories)(Convert.ToInt32(category.Tag, CultureInfo.InvariantCulture));
searchPreference.NearbyPlaceCategories = searchPreference.NearbyPlaceCategories | selectedCategory;
}
}
}
}
return(searchPreference);
}
