add plot middle cross layers fixed #52

Author: EleonoraPetzold

BExIS.Pmm.Model/Plotchart.cs

@@ -2,6 +2,7 @@
 using BExIS.Pmm.Entities;
 using BExIS.Pmm.Services;
 using GeoAPI.Geometries;
+using NetTopologySuite.IO;
 using System;
 using System.Collections.Generic;
 using System.Drawing;
@@ -499,6 +500,75 @@ private SharpMap.Map InitializeMap(Size outputsize, Plot plot, int zoom = 1, boo
 
             plot.Geometries = plot.Geometries.OrderByDescending(p => p.Geometry.Length).ToList();
 
+            #region add plot middle cross layers
+
+            string text1 = calCoordd("linestring", "(-1,1),(0,0)", bb, "xy", "");
+            string text2 = calCoordd("linestring", "(0,0),(-1,1)", bb, "xy", "");
+            WKTReader reader = new WKTReader();
+            IGeometry crossLine1 = reader.Read(text1);
+            IGeometry crossLine2 = reader.Read(text2);
+            List<IGeometry> geometriesCross = new List<IGeometry>();
+            geometriesCross.Add(crossLine1);
+            geometriesCross.Add(crossLine2);
+
+            foreach (var geo in geometriesCross)
+            {
+                var dd = new SharpMap.Data.FeatureDataTable();
+                dd.Columns.Add("Label");
+                SharpMap.Data.FeatureDataRow newRow = dd.NewRow();
+                newRow.Geometry = geo;
+
+                SharpMap.Layers.VectorLayer plotLayer1 = new SharpMap.Layers.VectorLayer("");
+                plotLayer1.DataSource = new SharpMap.Data.Providers.GeometryProvider(geo);
+                plotLayer1.CoordinateTransformation = ctFact.CreateFromCoordinateSystems(ProjNet.CoordinateSystems.GeographicCoordinateSystem.WGS84, webmercator);
+                plotLayer1.ReverseCoordinateTransformation = ctFact.CreateFromCoordinateSystems(webmercator, ProjNet.CoordinateSystems.GeographicCoordinateSystem.WGS84);
+                String borderColor = "#000000";
+
+                Pen pen = new Pen(ColorTranslator.FromHtml(RGBAToArgb(borderColor)), 6);
+                pen.Width = 10;
+
+                int argb = Int32.Parse(RGBAToArgb(borderColor).Replace("#", ""), NumberStyles.HexNumber);
+                Color clr = Color.FromArgb(argb);
+                plotLayer1.Style.Fill = new SolidBrush(clr);
+                plotLayer1.Style.Outline = pen;
+                plotLayer1.Style.EnableOutline = true;
+
+                dd.Rows.Clear();
+                dd.Rows.Add(newRow);
+                plotLayer1.DataSource = new SharpMap.Data.Providers.GeometryFeatureProvider(dd);
+
+                SharpMap.Layers.LabelLayer layLabel1 = new SharpMap.Layers.LabelLayer("Country labels")
+                {
+                    DataSource = plotLayer1.DataSource,
+                    Enabled = true,
+                    LabelColumn = "Label",
+                    MultipartGeometryBehaviour = SharpMap.Layers.LabelLayer.MultipartGeometryBehaviourEnum.Largest,
+                    LabelFilter = SharpMap.Rendering.LabelCollisionDetection.ThoroughCollisionDetection,
+                    CoordinateTransformation = plotLayer1.CoordinateTransformation,
+                    PriorityColumn = "Label",
+
+                    Style = new SharpMap.Styles.LabelStyle()
+                    {
+                        Font = new Font(FontFamily.GenericSerif, 40),
+                        HorizontalAlignment = SharpMap.Styles.LabelStyle.HorizontalAlignmentEnum.Right,
+                        VerticalAlignment = SharpMap.Styles.LabelStyle.VerticalAlignmentEnum.Top,
+                        CollisionDetection = true,
+                        Enabled = true,
+                    }
+                };
+
+                layLabel1.Style.VerticalAlignment = SharpMap.Styles.LabelStyle.VerticalAlignmentEnum.Top;
+                layLabel1.Style.HorizontalAlignment = SharpMap.Styles.LabelStyle.HorizontalAlignmentEnum.Left;
+                layLabel1.MultipartGeometryBehaviour = SharpMap.Layers.LabelLayer.MultipartGeometryBehaviourEnum.Largest;
+
+                layLabel1.Style.Offset = (new PointF((float)plotLayer1.Envelope.MaxX, (float)plotLayer1.Envelope.MaxY));
+
+                map.Layers.Add(plotLayer1);
+                map.Layers.Add(layLabel1);
+            }
+
+            #endregion
+
             foreach (var geometry in plot.Geometries)
             {
                 //check to ignore deactive geometries
@@ -508,8 +578,8 @@ private SharpMap.Map InitializeMap(Size outputsize, Plot plot, int zoom = 1, boo
                 SharpMap.Layers.VectorLayer plotLayer = new SharpMap.Layers.VectorLayer(geometry.Id.ToString());
 
                 double disss = geometry.Geometry.Envelope.Distance(plot.Geometry.Envelope);
-
                 List<IGeometry> geometries = new List<IGeometry>();
+
                 geometries.Add(geometry.Geometry);
                 var dd = new SharpMap.Data.FeatureDataTable();
                 dd.Columns.Add("Label");