public override void Process()
{
MapControlModel model = MapControlModel.GetModelFromSession();
model.SetMapSize(MapAlias, MapWidth, MapHeight);
//get map object from map model
MapInfo.Mapping.Map map = model.GetMapObj(MapAlias);
FeatureLayer fLyr = map.Layers[ProjectConstants.ThemeLayerAlias] as FeatureLayer;
fLyr.Modifiers.Clear();
map.Legends.Clear();
//create theme
IndividualValueTheme iTheme = new IndividualValueTheme(fLyr, ProjectConstants.IndColumnName, ProjectConstants.ThemeAlias);
fLyr.Modifiers.Insert(0, iTheme);
//create legend based on the individual value theme
Legend lg = map.Legends.CreateLegend(new Size(236, 282));
//create legend frame
ThemeLegendFrame lgFrame = LegendFrameFactory.CreateThemeLegendFrame(iTheme);
lg.Frames.Append(lgFrame);
//modify legend frame style
lgFrame.BackgroundBrush = new SolidBrush(Color.AliceBlue);
lgFrame.Title = "World Country Legend";
lgFrame.SubTitle = " ";
MapInfo.Styles.Font titleFont = new MapInfo.Styles.Font("Arial", 10);
titleFont.ForeColor = Color.DarkBlue;
titleFont.FontWeight = FontWeight.Bold;
lgFrame.TitleStyle = titleFont;
MapInfo.Styles.Font rowTextStyle = new Font("Arial", 8);
rowTextStyle.FontWeight = FontWeight.Bold;
lgFrame.RowTextStyle = rowTextStyle;
//stream map image back to client
MemoryStream ms = model.GetMap(MapAlias, MapWidth, MapHeight, ExportFormat);
StreamImageToClient(ms);
}
public MapForm1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
// Set table search path to value sampledatasearch registry key
string s = Environment.CurrentDirectory;
Microsoft.Win32.RegistryKey keySamp = Microsoft.Win32.Registry.LocalMachine.CreateSubKey(@"SOFTWARE\MapInfo\MapXtreme\6.6");
if ((keySamp != null) && (keySamp.GetValue("SampleDataSearchPath") != null))
{
s = (string)keySamp.GetValue("SampleDataSearchPath");
if (s.EndsWith("\\") == false)
{
s += "\\";
}
keySamp.Close();
}
Session.Current.TableSearchPath.Path = s;
// Add the USA table to the map
mapControl1.Map.Load(new MapTableLoader("usa.tab"));
// Listen to some map events
mapControl1.Map.ViewChangedEvent += new ViewChangedEventHandler(Map_ViewChanged);
mapControl1.Resize += new EventHandler(mapControl1_Resize);
// Create a ranged theme on the USA layer.
Map map = mapControl1.Map;
FeatureLayer lyr = map.Layers["usa"] as MapInfo.Mapping.FeatureLayer;
RangedTheme thm = new MapInfo.Mapping.Thematics.RangedTheme(
lyr,
"Round(MI_Area(Obj, 'sq mi', 'Spherical'), 1)",
"Area (square miles)",
5,
MapInfo.Mapping.Thematics.DistributionMethod.EqualCountPerRange);
lyr.Modifiers.Append(thm);
// Change the default fill colors from Red->Gray to White->Blue
AreaStyle ars;
// Get the style from our first bin
CompositeStyle cs = thm.Bins[0].Style;
// Get the region -- Area -- style
ars = cs.AreaStyle;
// Change the fill color
ars.Interior = StockStyles.WhiteFillStyle();
// Update the CompositeStyle with the new region color
cs.AreaStyle = ars;
// Update the bin with the new CompositeStyle settings
thm.Bins[0].Style = cs;
// Change the style settings on the last bin
int nLastBin = thm.Bins.Count - 1;
cs = thm.Bins[nLastBin].Style;
ars = cs.AreaStyle;
ars.Interior = StockStyles.BlueFillStyle();
thm.Bins[nLastBin].Style = cs;
// Tell the theme how to fill in the other bins
thm.SpreadBy = SpreadByPart.Color;
thm.ColorSpreadBy = ColorSpreadMethod.Rgb;
thm.RecomputeStyles();
// Create a legend
legend = map.Legends.CreateLegend(new Size(5, 5));
legend.Border = true;
ThemeLegendFrame frame = LegendFrameFactory.CreateThemeLegendFrame("Area", "Area", thm);
legend.Frames.Append(frame);
frame.Title = "Area (sq. mi.)";
map.Adornments.Append(legend);
// Set the initial legend location to be the lower right corner of the map control.
System.Drawing.Point pt = new System.Drawing.Point(0, 0);
pt.X = mapControl1.Size.Width - legend.Size.Width;
pt.Y = mapControl1.Size.Height - legend.Size.Height;
legend.Location = pt;
}
public MapForm1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
// Set table search path to value sampledatasearch registry key
string s = Environment.CurrentDirectory;
Microsoft.Win32.RegistryKey keySamp = Microsoft.Win32.Registry.LocalMachine.CreateSubKey(@"SOFTWARE\MapInfo\MapXtreme\6.6");
if ((keySamp != null) && (keySamp.GetValue("SampleDataSearchPath") != null))
{
s = (string)keySamp.GetValue("SampleDataSearchPath");
if (s.EndsWith("\\") == false)
{
s += "\\";
}
keySamp.Close();
}
Session.Current.TableSearchPath.Path = s;
// Add the USA table to the map
mapControl1.Map.Load(new MapTableLoader("usa.tab"));
// Listen to the appropriate map event to allow the status bar to be updated
mapControl1.Map.ViewChangedEvent += new ViewChangedEventHandler(Map_ViewChanged);
// Create a ranged theme on the USA layer.
Map map = mapControl1.Map;
FeatureLayer lyr = map.Layers["usa"] as MapInfo.Mapping.FeatureLayer;
RangedTheme thm = new MapInfo.Mapping.Thematics.RangedTheme(
lyr,
"Round(MI_Area(Obj, 'sq mi', 'Spherical'), 1)",
"Area (square miles)",
5,
MapInfo.Mapping.Thematics.DistributionMethod.EqualCountPerRange);
lyr.Modifiers.Append(thm);
// Create a legend
Legend legend = map.Legends.CreateLegend(new Size(5, 5));
// Create a LegendFrame that contains the theme and add that frame to the Legend.
ThemeLegendFrame frame = LegendFrameFactory.CreateThemeLegendFrame("Area", "Area", thm);
legend.Frames.Append(frame);
frame.Title = "Area (sq. mi.)";
// Create a LegendExport and export the legend to a bitmap file.
MapInfo.Mapping.LegendExport legendExport = new MapInfo.Mapping.LegendExport(map, legend);
legendExport.Format = ExportFormat.Bmp;
legendExport.ExportSize = new ExportSize(300, 200);
legendExport.Export("legend.bmp");
// Display the legend in a window.
System.Windows.Forms.Form legendForm = new LegendForm();
legendForm.BackgroundImage = System.Drawing.Image.FromFile("legend.bmp");
legendForm.Size = new Size(300, 200);
legendForm.Show();
// Alternatively, you can add the legend as a child window of the map
// by appending it to the Adornments collection. In this case, most likely
// a smaller size should be used when the Legend object is created.
//
//legend.Border = true;
//map.Adornments.Append(legend);
// Set the initial legend location to be the upper left corner of the map control.
//legend.Location = new System.Drawing.Point(mapControl1.Left, mapControl1.Top);
}