/// <summary>
/// Get a MultiFeatureCollection containing features in all layers falling into the tolerance of the point.
/// </summary>
/// <param name="points">points array</param>
/// <param name="pixelTolerance">pixel tolerance used when searching</param>
/// <returns>Returns a MultiResultSetFeatureCollection object</returns>
protected MultiResultSetFeatureCollection RetrieveInfo(Point[] points, int pixelTolerance)
{
if (points.Length != 1)
{
return(null);
}
MapControlModel model = MapControlModel.GetModelFromSession();
//get map object from map model
MapInfo.Mapping.Map map = model.GetMapObj(MapAlias);
if (map == null)
{
return(null);
}
//creat a layer filter to include normal visible layers for searching
IMapLayerFilter layerFilter = MapLayerFilterFactory.FilterForTools(
map, MapLayerFilterFactory.FilterByLayerType(LayerType.Normal), MapLayerFilterFactory.FilterVisibleLayers(true),
"MapInfo.Tools.MapToolsDefault.SelectLayers", null);
ITableEnumerator tableEnum = map.Layers.GetTableEnumerator(layerFilter);
//return if there is no valid layer to search
if (tableEnum == null)
{
return(null);
}
System.Drawing.Point center = points[0];
//create a SearchInfo with a point and tolerance
SearchInfo si = MapInfo.Mapping.SearchInfoFactory.SearchNearest(map, center, pixelTolerance);
(si.SearchResultProcessor as ClosestSearchResultProcessor).Options = ClosestSearchOptions.StopAtFirstMatch;
//retrieve all columns
si.QueryDefinition.Columns = null;
MapInfo.Geometry.Distance d = MapInfo.Mapping.SearchInfoFactory.ScreenToMapDistance(map, pixelTolerance);
(si.SearchResultProcessor as ClosestSearchResultProcessor).DistanceUnit = d.Unit;
(si.SearchResultProcessor as ClosestSearchResultProcessor).MaxDistance = d.Value;
//do search
MultiResultSetFeatureCollection mrfc = MapInfo.Engine.Session.Current.Catalog.Search(tableEnum, si);
return(mrfc);
}
private GeocodeConstraints BuildConstraints()
{
GeocodeConstraints result = new GeocodeConstraints();
result.CloseMatchesOnly = cbCloseMatchesOnly.Checked;
result.FallbackToPostal = cbFallbackPostal.Checked;
result.FallbackToGeographic = cbFallbackGeographic.Checked;
result.MustMatchAddressNumber = cbMatchAddrNumber.Checked;
result.MustMatchMainAddress = cbMatchMainAddr.Checked;
result.MustMatchInput = cbMatchInput.Checked;
result.MustMatchMunicipality = cbMatchCity.Checked;
result.MustMatchCountrySubdivision = cbMatchState.Checked;
result.MustMatchPostalCode = cbMatchPostal.Checked;
result.MustMatchCountry = cbMatchCountry.Checked;
result.MaxCandidates = (int) maxCandidates.Value;
result.MaxRanges = (int) maxRanges.Value;
result.MaxRangeUnits = (int) maxRangeUnits.Value;
System.Globalization.CultureInfo culture = new System.Globalization.CultureInfo("en-US");
MapInfo.Geometry.Distance offset = new MapInfo.Geometry.Distance(25.0, MapInfo.Geometry.DistanceUnit.Foot);
offset.Value = Convert.ToDouble(streetOffset.Text, culture);
offset.Unit = MapInfo.Geometry.CoordSys.DistanceUnitFromKeyword(streetOffsetUnits.Text);
result.OffsetFromStreet = offset;
offset.Value = Convert.ToDouble(cornerOffset.Text, culture);
offset.Unit = MapInfo.Geometry.CoordSys.DistanceUnitFromKeyword(cornerOffsetUnits.Text);
result.OffsetFromCorner = offset;
result.GeocodeType = (MapInfo.Geocoding.GeocodeType) Enum.Parse(typeof(MapInfo.Geocoding.GeocodeType), geocodeType.Text);
result.DictionaryUsage = (MapInfo.Geocoding.DictionaryUsage) Enum.Parse(typeof(MapInfo.Geocoding.DictionaryUsage), dictionaryUsage.Text);
return result;
}
