I am developing a store locator using map point. I have lat/long for a place. How do I calculate lat/long for places
within 10 mile radius ?

Thanks in advance

PCaltair

Hi,

Can you clarify a little bit what you wants to do? Do you mean you want to calculate all poossible lat/long within a radius with a given interval / distance? Or do you mean to check if a given other place is within the radius ?

I have a database with store IDs/lat/long. I know my starting lat/long. I want get a list of stores from the database within a radius of 10 miles from the starting point and show them as pushpins on the mappoint map

Thanks

Hi,

Add all stores, then draw a shape. to find all the stores withing the shape use QueryShape. This returns a Recordset containing all stores within the Shape.

Thanks for the reply.Is there an example which I can look at ?

Thanks in advance.

Hi,

This should get you started:

Code:

            int Count = 30;
            Location Loc;
            Pushpin PP;
            Double Lat = 50;
            Double Lon = -3;
            Double Alt = 1000;

            // First we create all our stores
            while (Count-- > 0) {
                Lon += 0.5;
                Loc = MP.ActiveMap.GetLocation(Lat, Lon, Alt);
                PP = MP.ActiveMap.AddPushpin(Loc, Count.ToString());
                PP.Symbol = 1;
            }
            MP.ActiveMap.DataSets.ZoomTo();

            // we make a circular area
            Loc = MP.ActiveMap.GetLocation(Lat, Lon, Alt);
            Shape area = MP.ActiveMap.Shapes.AddShape(GeoAutoShapeType.geoShapeRadius, Loc, 300, 300);

            // Now we list all pushpin in the area an highlight them
            object o = 1;
            Recordset stores = MP.ActiveMap.DataSets.get_Item(ref o).QueryShape(area);
            stores.MoveFirst();
            while (!stores.EOF) {
                Console.WriteLine(stores.Pushpin.Name.ToString());
                stores.Pushpin.Highlight = true;
                stores.MoveNext();
            }

Thanks very much...