public void InitDocument(NDrawingDocument document, NDataGrouping dataGrouping)
{
// Configure the drawing document
document.Layers.RemoveAllChildren();
document.Style.StrokeStyle = new NStrokeStyle(1, Color.FromArgb(68, 90, 108));
document.RoutingManager.Enabled = false;
document.BridgeManager.Enabled = false;
document.Bounds = new NRectangleF(0, 0, 5000, 5000);
document.BackgroundStyle.FillStyle = new NColorFillStyle(Color.LightBlue);
// Add a style sheet
NStyleSheet styleSheet = new NStyleSheet(WhiteTextStyleSheetName);
NTextStyle textStyle = (NTextStyle)document.ComposeTextStyle().Clone();
textStyle.FillStyle = new NColorFillStyle(KnownArgbColorValue.White);
NStyle.SetTextStyle(styleSheet, textStyle);
document.StyleSheets.AddChild(styleSheet);
// Create a map importer
NEsriMapImporter mapImporter = new NEsriMapImporter();
mapImporter.MapBounds = NMapBounds.World;
// Add a shapefile
NEsriShapefile countries = new NEsriShapefile(HttpContext.Current.Server.MapPath(CountriesShapefileName));
countries.NameColumn = "NAME";
countries.TextColumn = "NAME";
mapImporter.AddLayer(countries);
// Read the map data
mapImporter.Read();
// Create a fill rule
NMapFillRuleRange fillRule = new NMapFillRuleRange("POP_1994", Color.White, Color.Black, 12);
fillRule.DataGrouping = dataGrouping;
countries.FillRule = fillRule;
// Associate a shape created listener and import the map data
mapImporter.ShapeCreatedListener = new NCustomShapeCreatedListener();
mapImporter.Import(document, document.Bounds);
// Generate a legend
NMapLegendRange mapLegend = (NMapLegendRange)mapImporter.GetLegend(fillRule);
mapLegend.Title = "Population (thousands people)";
mapLegend.RangeFormatString = "{0:#,###,##0,} - {1:#,###,##0,}";
mapLegend.LastFormatString = "more than {0:#,###,##0,}";
NMapLegendRenderPage.MapLegend = mapLegend;
document.SizeToContent();
}
private void CreateStyleSheets(NDrawingDocument document)
{
// Create the zoomed city style sheet
NStyleSheet zoomedCity = new NStyleSheet();
zoomedCity.Name = "ZoomedCity";
NTextStyle textStyle = (NTextStyle)document.ComposeTextStyle().Clone();
textStyle.FontStyle = new NFontStyle(textStyle.FontStyle.Name, textStyle.FontStyle.EmSize, FontStyle.Bold);
NStyle.SetTextStyle(zoomedCity, textStyle);
NStyle.SetFillStyle(zoomedCity, new NColorFillStyle(Color.Red));
document.StyleSheets.AddChild(zoomedCity);
}
public void InitDocument(NDrawingDocument document)
{
// Set up visual formatting
document.BackgroundStyle.FrameStyle.Visible = false;
document.BackgroundStyle.FillStyle = new NColorFillStyle(Color.LightBlue);
document.GraphicsSettings.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
// Create style sheets
NStyleSheet clickedCounty = new NStyleSheet("ClickedCounty");
NStyle.SetFillStyle(clickedCounty, new NColorFillStyle(KnownArgbColorValue.Red));
NStyle.SetTextStyle(clickedCounty, new NTextStyle(document.ComposeTextStyle().FontStyle, Color.White));
document.StyleSheets.AddChild(clickedCounty);
// Load the map of the USA
LoadUsaMap(document);
}
private void ImportData()
{
NDrawingDocument document = NDrawingView1.Document;
document.BackgroundStyle.FrameStyle.Visible = false;
// create two stylesheets - one for the vertices and one for the edges
NStyleSheet vertexStyleSheet = new NStyleSheet();
vertexStyleSheet.Name = "Vertices";
NStyle.SetFillStyle(vertexStyleSheet, new NColorFillStyle(Color.FromArgb(236, 97, 49)));
document.StyleSheets.AddChild(vertexStyleSheet);
NStyleSheet edgeStyleSheet = new NStyleSheet();
edgeStyleSheet.Name = "Edges";
NStyle.SetStrokeStyle(edgeStyleSheet, new NStrokeStyle(Color.Blue));
NStyle.SetEndArrowheadStyle(edgeStyleSheet, new NArrowheadStyle(ArrowheadShape.OpenedArrow, null, new NSizeL(6, 4), null, new NStrokeStyle(Color.Blue)));
NTextStyle textStyle = (NTextStyle)document.ComposeTextStyle().Clone();
textStyle.StringFormatStyle.VertAlign = Nevron.VertAlign.Bottom;
NStyle.SetTextStyle(edgeStyleSheet, textStyle);
document.StyleSheets.AddChild(edgeStyleSheet);
// create the graph data source importer
NGraphDataSourceImporter graphImporter = new NGraphDataSourceImporter();
// set the document in the active layer of which the shapes will be imported
graphImporter.Document = document;
// SET THE DATA SOURCE
// the tree data source importer supports the following data sources
// DataTable
// DataView
// OleDbDataAdapter
// SqlDataAdapter
// OdbcDataAdapter
// OleDbCommand
// SqlCommand
// OdbcCommand
// in this example we have created an OleDbDataAdapter,
// which selects all columns and records from the Sources and Links tables of the Data.xlsx file
string databasePath = Server.MapPath(@"..\Examples\Import\Data.xlsx");
string connectionString = @"Data Source=""" + databasePath + @""";Provider=""Microsoft.ACE.OLEDB.12.0""; Extended Properties=""Excel 12.0 Xml;HDR=YES"";";
graphImporter.VertexDataSource = new OleDbDataAdapter("SELECT * FROM [Sources$]", connectionString);
graphImporter.EdgeDataSource = new OleDbDataAdapter("SELECT * FROM [Links$]", connectionString);
// vertex records are uniquely identified by their Id (in the Sources table)
// edges link the vertices with the Fro and ToPageId (in the Links table)
graphImporter.VertexIdColumnName = "Id";
graphImporter.FromVertexIdColumnName = "From";
graphImporter.ToVertexIdColumnName = "To";
// create vertices as group shapes, with default size
NShapesFactory shapesFactory = new GroupShapesFactory();
shapesFactory.DefaultSize = VertexSize;
graphImporter.VertexShapesFactory = shapesFactory;
graphImporter.VertexShapesName = GroupShapes.Group.ToString();
// set stylesheets to be applied to imported vertices and edges
graphImporter.VertexStyleSheetName = "Vertices";
graphImporter.EdgeStyleSheetName = "Edges";
// use layered graph layout
NLayeredGraphLayout layout = new NLayeredGraphLayout();
layout.LayerSpacing = 70;
layout.Direction = LayoutDirection.LeftToRight;
layout.LayerAlignment = RelativeAlignment.Near;
graphImporter.Layout = layout;
// subscribe for the vertex and edge imported events,
// which are raised when a shape was created for a data source record
graphImporter.VertexImported += new ShapeImportedDelegate(OnVertexImported);
graphImporter.EdgeImported += new ShapeImportedDelegate(OnEdgeImported);
// import
graphImporter.Import();
}
