public ISimpleMarkerSymbol newSimpleMarkerSymbol(Color color,
                                                         double size, IS3.Core.Graphics.SimpleMarkerStyle style)
        {
            IS3SimpleMarkerSymbol symbol = new IS3SimpleMarkerSymbol();

            symbol.Color = color;
            symbol.Size  = size;
            symbol.Style = style;
            return(symbol);
        }
        public ISimpleMarkerSymbol newSimpleMarkerSymbol(Color color,
                                                         double angle, IS3.Core.Graphics.MarkerAngleAlignment angleAlignment,
                                                         double size, IS3.Core.Graphics.SimpleMarkerStyle style,
                                                         ISimpleLineSymbol outline,
                                                         double xOffset, double yOffset)
        {
            IS3SimpleMarkerSymbol symbol = new IS3SimpleMarkerSymbol();

            symbol.Color          = color;
            symbol.Angle          = angle;
            symbol.AngleAlignment = angleAlignment;
            symbol.Size           = size;
            symbol.Style          = style;
            symbol.Outline        = outline as IS3SimpleLineSymbol;
            symbol.XOffset        = xOffset;
            symbol.YOffset        = yOffset;

            return(symbol);
        }