void FlyToCity(string cityName, string countryName)
 {
     map.FlyToCity(cityName, countryName, 2.0f);
 }
        // Update is called once per frame
        void OnGUI()
        {
            // Do autoresizing of GUI layer
            GUIResizer.AutoResize();

            // Check whether a country or city is selected, then show a label with the entity name and its neighbours (new in V4.1!)
            if (map.countryHighlighted != null || map.cityHighlighted != null || map.provinceHighlighted != null)
            {
                string text;
                if (map.cityHighlighted != null)
                {
                    if (!map.cityHighlighted.name.Equals(map.cityHighlighted.province))                        // show city name + province & country name
                    {
                        text = "City: " + map.cityHighlighted.name + " (" + map.cityHighlighted.province + ", " + map.countries [map.cityHighlighted.countryIndex].name + ")";
                    }
                    else                                // show city name + country name (city is a capital with same name as province)
                    {
                        text = "City: " + map.cityHighlighted.name + " (" + map.countries [map.cityHighlighted.countryIndex].name + ")";
                    }
                }
                else if (map.provinceHighlighted != null)
                {
                    text = map.provinceHighlighted.name + ", " + map.countryHighlighted.name;
                    List <Province> neighbours = map.ProvinceNeighboursOfCurrentRegion();
                    if (neighbours.Count > 0)
                    {
                        text += "\n" + EntityListToString <Province> (neighbours);
                    }
                }
                else if (map.countryHighlighted != null)
                {
                    text = map.countryHighlighted.name + " (" + map.countryHighlighted.continent + ")";
                    List <Country> neighbours = map.CountryNeighboursOfCurrentRegion();
                    if (neighbours.Count > 0)
                    {
                        text += "\n" + EntityListToString <Country> (neighbours);
                    }
                }
                else
                {
                    text = "";
                }
                float x, y;
                x = Screen.width / 2.0f;
                y = Screen.height - 40;
                // shadow
                GUI.Label(new Rect(x - 1, y - 1, 0, 10), text, labelStyleShadow);
                GUI.Label(new Rect(x + 1, y + 2, 0, 10), text, labelStyleShadow);
                GUI.Label(new Rect(x + 2, y + 3, 0, 10), text, labelStyleShadow);
                GUI.Label(new Rect(x + 3, y + 4, 0, 10), text, labelStyleShadow);
                // texst face
                GUI.Label(new Rect(x, y, 0, 10), text, labelStyle);
            }

            // Assorted options to show/hide frontiers, cities, Earth and enable country highlighting
            GUI.Box(new Rect(0, 0, 150, 200), "");
            map.showFrontiers          = GUI.Toggle(new Rect(10, 20, 150, 30), map.showFrontiers, "Toggle Frontiers");
            map.showEarth              = GUI.Toggle(new Rect(10, 50, 150, 30), map.showEarth, "Toggle Earth");
            map.showCities             = GUI.Toggle(new Rect(10, 80, 150, 30), map.showCities, "Toggle Cities");
            map.showCountryNames       = GUI.Toggle(new Rect(10, 110, 150, 30), map.showCountryNames, "Toggle Labels");
            map.enableCountryHighlight = GUI.Toggle(new Rect(10, 140, 170, 30), map.enableCountryHighlight, "Enable Highlight");

            // buttons background color
            GUI.backgroundColor = new Color(0.1f, 0.1f, 0.3f, 0.95f);

            // Add button to toggle Earth texture
            if (GUI.Button(new Rect(10, 170, 160, 30), "  Change Earth style", buttonStyle))
            {
                map.earthStyle = (EARTH_STYLE)(((int)map.earthStyle + 1) % 4);
            }

            // Add buttons to show the color picker and change colors for the frontiers or fill
            if (GUI.Button(new Rect(10, 210, 160, 30), "  Change Frontiers Color", buttonStyle))
            {
                colorPicker.showPicker = true;
                changingFrontiersColor = true;
            }
            if (GUI.Button(new Rect(10, 250, 160, 30), "  Change Fill Color", buttonStyle))
            {
                colorPicker.showPicker = true;
                changingFrontiersColor = false;
            }
            if (colorPicker.showPicker)
            {
                if (changingFrontiersColor)
                {
                    map.frontiersColor = colorPicker.setColor;
                }
                else
                {
                    map.fillColor = colorPicker.setColor;
                }
            }

            // Add a button which demonstrates the navigateTo functionality -- pass the name of a country
            // For a list of countries and their names, check map.Countries collection.
            if (GUI.Button(new Rect(10, 290, 180, 30), "  Fly to Australia (Country)", buttonStyle))
            {
                FlyToCountryAndBlinkIt("Australia");
            }
            if (GUI.Button(new Rect(10, 325, 180, 30), "  Fly to Mexico (Country)", buttonStyle))
            {
                FlyToCountryAndBlinkIt("Mexico");
            }
            if (GUI.Button(new Rect(10, 360, 180, 30), "  Fly to San Francisco (City)", buttonStyle))
            {
                map.FlyToCity("New York", "United States of America", 2.0f);
            }
            if (GUI.Button(new Rect(10, 395, 180, 30), "  Fly to Madrid (City)", buttonStyle))
            {
                map.FlyToCity("Madrid", "Spain", 2.0f);
            }


            // Slider to show the new set zoom level API in V4.1
            GUI.Button(new Rect(10, 430, 85, 30), "  Zoom Level", buttonStyle);
            float prevZoomLevel = zoomLevel;

            GUI.backgroundColor = Color.white;
            zoomLevel           = GUI.HorizontalSlider(new Rect(100, 445, 80, 85), zoomLevel, 0, 1, sliderStyle, sliderThumbStyle);
            GUI.backgroundColor = new Color(0.1f, 0.1f, 0.3f, 0.95f);
            if (zoomLevel != prevZoomLevel)
            {
                prevZoomLevel = zoomLevel;
                map.SetZoomLevel(zoomLevel);
            }


            // Add a button to colorize countries
            if (GUI.Button(new Rect(GUIResizer.authoredScreenWidth - 190, 20, 180, 30), "  Colorize Europe", buttonStyle))
            {
                for (int colorizeIndex = 0; colorizeIndex < map.countries.Length; colorizeIndex++)
                {
                    if (map.countries [colorizeIndex].continent.Equals("Europe"))
                    {
                        Color color = new Color(Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f));
                        map.ToggleCountrySurface(map.countries [colorizeIndex].name, true, color);
                    }
                }
            }

            // Colorize random country and fly to it
            if (GUI.Button(new Rect(GUIResizer.authoredScreenWidth - 190, 60, 180, 30), "  Colorize Random", buttonStyle))
            {
                int   countryIndex = Random.Range(0, map.countries.Length);
                Color color        = new Color(Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f));
                map.ToggleCountrySurface(countryIndex, true, color);
                map.BlinkCountry(countryIndex, Color.green, Color.black, 0.8f, 0.2f);
            }

            // Button to clear colorized countries
            if (GUI.Button(new Rect(GUIResizer.authoredScreenWidth - 190, 100, 180, 30), "  Reset countries", buttonStyle))
            {
                map.HideCountrySurfaces();
            }

            // Tickers sample
            if (GUI.Button(new Rect(GUIResizer.authoredScreenWidth - 190, 140, 180, 30), "  Tickers Sample", buttonStyle))
            {
                TickerSample();
            }

            // Decorator sample
            if (GUI.Button(new Rect(GUIResizer.authoredScreenWidth - 190, 180, 180, 30), "  Texture Sample", buttonStyle))
            {
                TextureSample();
            }

            // Add marker sample
            if (GUI.Button(new Rect(GUIResizer.authoredScreenWidth - 190, 300, 180, 30), "  Add Marker", buttonStyle))
            {
                AddMarkerOnRandomCity();
            }

            if (GUI.Button(new Rect(GUIResizer.authoredScreenWidth - 190, 340, 180, 30), "  Add Trajectories", buttonStyle))
            {
                AddTrajectories();
            }

            if (GUI.Button(new Rect(GUIResizer.authoredScreenWidth - 190, 380, 180, 30), "  Locate Mount Point", buttonStyle))
            {
                LocateMountPoint();
            }
        }