Example #1
0
        /// <summary>
        /// Creates an instance of GribValuesIterator.
        /// </summary>
        /// <param name="h">The handle of the message to iterate.</param>
        /// <param name="filters">The filters.</param>
        /// <returns></returns>
        public static GribCoordinateValuesIterator Create(GribHandle h, uint filters)
        {
            int err = 0;

            GribCoordinateValuesIterator iter = GribApiProxy.GribIteratorNew(h, filters, out err);

            if (err != 0)
            {
                throw GribApiException.Create(err);
            }

            return(iter);
        }
Example #2
0
        ///// <summary>
        ///// Find the nearest point of a set of points whose latitudes and longitudes.
        ///// </summary>
        ///// <param name="coordinates">The reference coordinates.</param>
        ///// <param name="useLandSeaMask">If true, the nearest land point is returned and the grib passed as the handle is considered a land sea mask.
        ///// land nearest point is the nearest point with land sea mask value>=0.5. If no nearest land points are found the nearest value is returned.
        ///// If the flag false, the nearest points, along with values, distances, and indexes are returned.
        ///// </param>
        ///// <returns></returns>
        //public GribNearestCoordinate[] FindNearestCoordinates(IGeoCoordinate[] coordinates, bool useLandSeaMask = false)
        //{
        //	var len = coordinates.Length;
        //	var latitudes = new double[len];
        //	var longitudes = new double[len];
        //	var outLatitudes = new double[len];
        //	var outLongitudes = new double[len];
        //	var distances = new double[len];
        //	var values = new double[len];
        //	var indexes = new int[len];

        //	for (var i = 0; i < len; i++)
        //	{
        //		latitudes[i] = coordinates[i].Latitude;
        //		longitudes[i] = coordinates[i].Longitude;
        //	}

        //	Interop.SizeT sz = (SizeT)len;
        //	Interop.SWIG.GribApiProxy.GribNearestFindMultiple(this.Handle, useLandSeaMask ? 1 : 0, latitudes, longitudes, len,
        //											          outLatitudes, outLongitudes, values, distances, indexes);

        //	var vals = new GribNearestCoordinate[len];

        //	for (var i = 0; i < len; i++)
        //	{
        //		vals[i] = new GribNearestCoordinate(latitudes[i], longitudes[i], values[i], distances[i], indexes[i]);
        //	}

        //	Array.Sort(vals, (v1, v2) => v1.Distance.CompareTo(v2.Distance));

        //	return vals;
        //}

        public static GribNearest Create(GribHandle handle)
        {
            int err = 0;

            var nearest = GribApiProxy.GribNearestNew(handle, out err);

            if (err != 0)
            {
                throw GribApiException.Create(err);
            }

            return(new GribNearest(nearest, handle));
        }
Example #3
0
        /// <summary>
        /// Initializes a new instance of the <see cref="GribBox"/> class.
        /// </summary>
        /// <param name="msgHandle">The MSG handle.</param>
        /// <param name="nw">The nw.</param>
        /// <param name="se">The se.</param>
        public GribBox(GribHandle msgHandle, GridCoordinate nw, GridCoordinate se)
        {
            int err;
            var box = GribApiProxy.GribBoxNew(msgHandle, out err);

            if (err != 0)
            {
                throw GribApiException.Create(err);
            }

            var pts = GribApiProxy.GribBoxGetPoints(box, nw.Latitude, nw.Longitude, se.Latitude, se.Longitude, out err);

            if (err != 0)
            {
                throw GribApiException.Create(err);
            }

            _points = new GribPoints(SWIGTYPE_p_grib_points.getCPtr(pts).Handle, false);
        }