private void DefaultMethod()
    {
        string name = Request.Form["name"];

        double minx      = Convert.ToDouble(Request.Form["minx"]);
        double miny      = Convert.ToDouble(Request.Form["miny"]);
        double maxx      = Convert.ToDouble(Request.Form["maxx"]);
        double maxy      = Convert.ToDouble(Request.Form["maxy"]);
        double pixelSize = Convert.ToDouble(Request.Form["pixelsize"]);

        double x = (minx + maxx) / 2;
        double y = (miny + maxy) / 2;

        double xm    = x;
        double ym    = y;
        double minxm = minx;
        double minym = miny;
        double maxxm = maxx;
        double maxym = maxy;

        if (AppSettings.MapUnits == "feet")
        {
            xm    *= Constants.MetersPerFoot;
            ym    *= Constants.MetersPerFoot;
            minxm *= Constants.MetersPerFoot;
            minym *= Constants.MetersPerFoot;
            maxxm *= Constants.MetersPerFoot;
            maxym *= Constants.MetersPerFoot;
        }

        double xft    = x;
        double yft    = y;
        double minxft = minx;
        double minyft = miny;
        double maxxft = maxx;
        double maxyft = maxy;

        if (AppSettings.MapUnits == "meters")
        {
            xft    *= Constants.FeetPerMeter;
            yft    *= Constants.FeetPerMeter;
            minxft *= Constants.FeetPerMeter;
            minyft *= Constants.FeetPerMeter;
            maxxft *= Constants.FeetPerMeter;
            maxyft *= Constants.FeetPerMeter;

            pixelSize *= Constants.FeetPerMeter;
        }

        double f = AppSettings.MapUnits == "feet" ? Constants.MetersPerFoot : 1;

        double lon;
        double lat;

        AppSettings.CoordinateSystem.ToGeodetic((x - AppSettings.DatumShiftX) * f, (y - AppSettings.DatumShiftY) * f, out lon, out lat);

        double minLon;
        double minLat;

        AppSettings.CoordinateSystem.ToGeodetic((minx - AppSettings.DatumShiftX) * f, (miny - AppSettings.DatumShiftY) * f, out minLon, out minLat);

        double maxLon;
        double maxLat;

        AppSettings.CoordinateSystem.ToGeodetic((maxx - AppSettings.DatumShiftX) * f, (maxy - AppSettings.DatumShiftY) * f, out maxLon, out maxLat);

        double zoomLevel = (Math.Log(190500 / pixelSize) / Math.Log(2)) + 1;

        Configuration.ExternalMapRow externalMap = Configuration.ExternalMap.First(o => o.DisplayName == name);
        string url = externalMap.URL;

        url = url.Replace("{lat}", lat.ToString("0.0000000"));
        url = url.Replace("{lon}", lon.ToString("0.0000000"));
        url = url.Replace("{minlat}", minLat.ToString("0.0000000"));
        url = url.Replace("{minlon}", minLon.ToString("0.0000000"));
        url = url.Replace("{maxlat}", maxLat.ToString("0.0000000"));
        url = url.Replace("{maxlon}", maxLon.ToString("0.0000000"));
        url = url.Replace("{lev}", zoomLevel.ToString("0"));

        url = url.Replace("{x}", x.ToString("0.00"));
        url = url.Replace("{y}", y.ToString("0.00"));
        url = url.Replace("{minx}", minx.ToString("0.00"));
        url = url.Replace("{miny}", miny.ToString("0.00"));
        url = url.Replace("{maxx}", maxx.ToString("0.00"));
        url = url.Replace("{maxy}", maxy.ToString("0.00"));

        url = url.Replace("{xm}", xm.ToString("0.00"));
        url = url.Replace("{ym}", ym.ToString("0.00"));
        url = url.Replace("{minxm}", minxm.ToString("0.00"));
        url = url.Replace("{minym}", minym.ToString("0.00"));
        url = url.Replace("{maxxm}", maxxm.ToString("0.00"));
        url = url.Replace("{maxym}", maxym.ToString("0.00"));

        url = url.Replace("{xft}", xft.ToString("0.00"));
        url = url.Replace("{yft}", yft.ToString("0.00"));
        url = url.Replace("{minxft}", minxft.ToString("0.00"));
        url = url.Replace("{minyft}", minyft.ToString("0.00"));
        url = url.Replace("{maxxft}", maxxft.ToString("0.00"));
        url = url.Replace("{maxyft}", maxyft.ToString("0.00"));

        ReturnJson("url", url);
    }
Exemple #2
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    private void DefaultMethod()
    {
        AppSettings appSettings = AppContext.AppSettings;

        string name = Request.Form["name"];

        Coordinate min = new Coordinate(Convert.ToDouble(Request.Form["minx"]), Convert.ToDouble(Request.Form["miny"]));
        Coordinate max = new Coordinate(Convert.ToDouble(Request.Form["maxx"]), Convert.ToDouble(Request.Form["maxy"]));

        Envelope   extent = new Envelope(min, max);
        Coordinate center = extent.Centre;

        double pixelSize = Convert.ToDouble(Request.Form["pixelsize"]);

        Envelope   gExtent = appSettings.MapCoordinateSystem.ToGeodetic(extent);
        Coordinate gCenter = appSettings.MapCoordinateSystem.ToGeodetic(center);

        string units = appSettings.MapCoordinateSystem.MapUnits;

        if (!appSettings.MapCoordinateSystem.Equals(appSettings.MeasureCoordinateSystem))
        {
            extent = appSettings.MeasureCoordinateSystem.ToProjected(gExtent);
            center = appSettings.MeasureCoordinateSystem.ToProjected(gCenter);
            units  = appSettings.MeasureCoordinateSystem.MapUnits;
        }

        double xm    = center.X;
        double ym    = center.Y;
        double minxm = extent.MinX;
        double minym = extent.MinY;
        double maxxm = extent.MaxX;
        double maxym = extent.MaxY;

        if (units == "feet")
        {
            xm    *= Constants.MetersPerFoot;
            ym    *= Constants.MetersPerFoot;
            minxm *= Constants.MetersPerFoot;
            minym *= Constants.MetersPerFoot;
            maxxm *= Constants.MetersPerFoot;
            maxym *= Constants.MetersPerFoot;
        }

        double xft    = center.X;
        double yft    = center.Y;
        double minxft = extent.MinX;
        double minyft = extent.MinY;
        double maxxft = extent.MaxX;
        double maxyft = extent.MaxY;

        if (units == "meters")
        {
            xft    *= Constants.FeetPerMeter;
            yft    *= Constants.FeetPerMeter;
            minxft *= Constants.FeetPerMeter;
            minyft *= Constants.FeetPerMeter;
            maxxft *= Constants.FeetPerMeter;
            maxyft *= Constants.FeetPerMeter;
        }

        if (appSettings.MapCoordinateSystem.MapUnits == "feet")
        {
            pixelSize *= Constants.MetersPerFoot;
        }

        double zoomLevel = (Math.Log(Constants.BasePixelSize / pixelSize) / Math.Log(2));

        Configuration.ExternalMapRow externalMap = Configuration.ExternalMap.First(o => o.DisplayName == name);
        string url = externalMap.URL;

        url = url.Replace("{lat}", gCenter.Y.ToString("0.0000000"));
        url = url.Replace("{lon}", gCenter.X.ToString("0.0000000"));
        url = url.Replace("{minlat}", gExtent.MinY.ToString("0.0000000"));
        url = url.Replace("{minlon}", gExtent.MinX.ToString("0.0000000"));
        url = url.Replace("{maxlat}", gExtent.MaxY.ToString("0.0000000"));
        url = url.Replace("{maxlon}", gExtent.MaxX.ToString("0.0000000"));
        url = url.Replace("{lev}", zoomLevel.ToString("0"));

        url = url.Replace("{x}", center.X.ToString("0.00"));
        url = url.Replace("{y}", center.Y.ToString("0.00"));
        url = url.Replace("{minx}", extent.MinX.ToString("0.00"));
        url = url.Replace("{miny}", extent.MinY.ToString("0.00"));
        url = url.Replace("{maxx}", extent.MaxX.ToString("0.00"));
        url = url.Replace("{maxy}", extent.MaxY.ToString("0.00"));

        url = url.Replace("{xm}", xm.ToString("0.00"));
        url = url.Replace("{ym}", ym.ToString("0.00"));
        url = url.Replace("{minxm}", minxm.ToString("0.00"));
        url = url.Replace("{minym}", minym.ToString("0.00"));
        url = url.Replace("{maxxm}", maxxm.ToString("0.00"));
        url = url.Replace("{maxym}", maxym.ToString("0.00"));

        url = url.Replace("{xft}", xft.ToString("0.00"));
        url = url.Replace("{yft}", yft.ToString("0.00"));
        url = url.Replace("{minxft}", minxft.ToString("0.00"));
        url = url.Replace("{minyft}", minyft.ToString("0.00"));
        url = url.Replace("{maxxft}", maxxft.ToString("0.00"));
        url = url.Replace("{maxyft}", maxyft.ToString("0.00"));

        ReturnJson("url", url);
    }