private bool isVillageTooBig(IPolygonElement polygonElement)
{
IElement element = polygonElement as IElement;
IPolygon polygon = element.Geometry as IPolygon;
IArea area = polygon as IArea;
return area.Area > Village.VILLAGE_MAX_SIZE;
}
public static List<Point> getPointListFromIPolygonElement(IPolygonElement polygonElement)
{
List<Point> pointList = new List<Point>();
IElement element = polygonElement as IElement;
IPolygon polygon = element.Geometry as IPolygon;
Ring ring = polygon as Ring;
for (int i = 0; i < ring.PointCount; i++)
{
IPoint pt = ring.get_Point(i);
Point point = new Point();
point.x = pt.X;
point.y = pt.Y;
pointList.Add(point);
}
return pointList;
}
public void initBySqlDataReader(SqlDataReader reader)
{
reader.Read();
vID = Int32.Parse(reader[0].ToString());
prID = Int32.Parse(reader[1].ToString());
vName = reader[2].ToString();
vBoundary = reader[3].ToString();
vInUse = Boolean.Parse(reader[4].ToString());
List<Point> pointList = Village.ConvertStringToPointList(vBoundary);
polygonElement = GisUtil.getIPolygonElementFromPointList(pointList);
}
public static void ErasePolygonElement(IPolygonElement polygonElement, AxMapControl mapControl)
{
IMap map = mapControl.Map;
IActiveView activeView = mapControl.ActiveView;
IGraphicsContainer graphicsContainer = map as IGraphicsContainer;
graphicsContainer.DeleteElement((IElement)polygonElement);
activeView.Refresh();
}
public static void RestorePolygonElementOutline(IPolygonElement polygonElement, AxMapControl mapControl)
{
IFillShapeElement fillShapeElement = polygonElement as IFillShapeElement;
IRgbColor oldFillColor = fillShapeElement.Symbol.Color as IRgbColor;
ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbolClass();
ISimpleLineSymbol simpleLineSymbol = new SimpleLineSymbolClass();
simpleLineSymbol.Color = GetDefaultRgbColor();
simpleLineSymbol.Width = 0;
simpleLineSymbol.Style = esriSimpleLineStyle.esriSLSSolid;
simpleFillSymbol.Outline = simpleLineSymbol;
simpleFillSymbol.Color = oldFillColor;
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
fillShapeElement.Symbol = simpleFillSymbol;
IMap map = mapControl.Map;
IGraphicsContainer graphicsContainer = map as IGraphicsContainer;
IActiveView activeView = mapControl.ActiveView;
graphicsContainer.UpdateElement(fillShapeElement as IElement);
activeView.Refresh();
}
public static void UpdatePolygonElementOutline(IPolygonElement polygonElement, AxMapControl mapControl, int red, int green, int blue)
{
IFillShapeElement fillShapeElement = polygonElement as IFillShapeElement;
IRgbColor oldFillColor = fillShapeElement.Symbol.Color as IRgbColor;
ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbolClass();
ISimpleLineSymbol simpleLineSymbol = new SimpleLineSymbolClass();
IRgbColor rgbColor = new RgbColorClass();
rgbColor.Red = red;
rgbColor.Green = green;
rgbColor.Blue = blue;
simpleLineSymbol.Color = rgbColor;
simpleLineSymbol.Width = 3;
simpleLineSymbol.Style = esriSimpleLineStyle.esriSLSSolid;
simpleFillSymbol.Outline = simpleLineSymbol;
simpleFillSymbol.Color = oldFillColor;
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
fillShapeElement.Symbol = simpleFillSymbol;
IMap map = mapControl.Map;
IGraphicsContainer graphicsContainer = map as IGraphicsContainer;
IActiveView activeView = mapControl.ActiveView;
graphicsContainer.UpdateElement(fillShapeElement as IElement);
activeView.Refresh();
}
public static void drawPolygonElement(IPolygonElement polygonElement, AxMapControl mapControl)
{
ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
simpleFillSymbol.Color = GetDefaultRgbColor();
IFillShapeElement fillShapeElement = polygonElement as IFillShapeElement;
fillShapeElement.Symbol = simpleFillSymbol;
IMap map = mapControl.Map;
IGraphicsContainer graphicsContainer = map as IGraphicsContainer;
IActiveView activeView = mapControl.ActiveView;
graphicsContainer.AddElement(polygonElement as IElement, 0);
activeView.Refresh();
}
public static IGeometry ConvertIPolygonElementToIPolygon(IPolygonElement polygonElement)
{
IElement element = polygonElement as IElement;
return element.Geometry;
}
