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Anonymous · #1 (**permalink**) 05-08-2005

Relatively new to mappoint - question is this:
IS there a way to count up the number of items within a selected radius? I am asking this to find a way to count sales within a radius or any item.

I know mappoint can sum the imported data through metro areas, but I didn't know if there was a way within mappoint, or a plugin or tool, that would allow me to do this.

thanks!

mc

**Wilfried** · #2 (**permalink**) 05-09-2005

Hi,

Yes very easy to do. I just made this testcode to see if it works:

Code:

        private void selectedareaToolStripMenuItem_Click(object sender, EventArgs e)
        {
            MapPoint.SelectedArea sa = MP.ActiveMap.SelectedArea;
            Location[] loc = new Location[5];

            loc[0] = MP.ActiveMap.XYToLocation(sa.Left, sa.Top);
            loc[1] = MP.ActiveMap.XYToLocation(sa.Left + sa.Width, sa.Top);
            loc[2] = MP.ActiveMap.XYToLocation(sa.Left + sa.Width, sa.Top + sa.Height);
            loc[3] = MP.ActiveMap.XYToLocation(sa.Left, sa.Top + sa.Height);
            loc[4] = loc[0];

            MP.ActiveMap.Shapes.AddPolyline(loc);

            int PPCount = 0;
            foreach (MapPoint.DataSet ds in MP.ActiveMap.DataSets) {
                MapPoint.Recordset rs = ds.QueryPolygon(loc);
                rs.MoveFirst();
                while (!rs.EOF) {
                    PPCount++;
                    rs.MoveNext();
                }
            }
            Console.WriteLine("Record count " + Convert.ToString(PPCount));
        }

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Sum of Items within a Radius?

Sum of Items within a Radius?

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