/// <summary>
/// 从配置文件中读取样式
/// </summary>
/// <returns></returns>
private static IDictionary <string, ISymbol> GetSymbolsFromConfig()
{
try
{
var symbolDic = new Dictionary <string, ISymbol>();
var routeValues = ConfigHelper.ReadAppConfig("routenetvalues").Split(',');
foreach (var routeValue in routeValues)
{
var configParams = ConfigHelper.ReadAppConfig(string.Format("route_{0}", routeValue)).Split(',');
var red = int.Parse(configParams[0]);
var green = int.Parse(configParams[1]);
var blue = int.Parse(configParams[2]);
var width = double.Parse(configParams[3]);
var lineSymbol = new SimpleLineSymbolClass();
lineSymbol.Color = SymbolUtil.GetColor(red, green, blue);
lineSymbol.Width = width;
symbolDic.Add(routeValue, lineSymbol);
}
return(symbolDic);
}
catch (Exception e)
{
MessageBox.Show("公路网样式配置错误");
return(null);
}
}
/// <summary>
/// 缺省样式
/// </summary>
/// <returns></returns>
private static IDictionary <string, ISymbol> GetDefaultSymbols()
{
//一级公路符号
ILineSymbol pOutline1 = new SimpleLineSymbolClass();
//二级公路符号
ILineSymbol pOutline2 = new SimpleLineSymbolClass();
//三级公路符号
ILineSymbol pOutline3 = new SimpleLineSymbolClass();
//四级公路符号
ILineSymbol pOutline4 = new SimpleLineSymbolClass();
//等外公路符号
ILineSymbol pOutlineEqual = new SimpleLineSymbolClass();
//其它公路符号
ILineSymbol pOutlineOther = new SimpleLineSymbolClass();
pOutline1.Color = SymbolUtil.GetColor(255, 0, 0);
pOutline1.Width = 3.0;
pOutline2.Color = SymbolUtil.GetColor(255, 125, 0);
pOutline2.Width = 2.5;
pOutline3.Color = SymbolUtil.GetColor(255, 220, 0);
pOutline3.Width = 2.0;
pOutline4.Color = SymbolUtil.GetColor(0, 255, 0);
pOutline4.Width = 1.5;
pOutlineEqual.Color = SymbolUtil.GetColor(0, 0, 255);
pOutlineEqual.Width = 1.2;
pOutlineOther.Color = SymbolUtil.GetColor(0, 255, 255);
pOutlineOther.Width = 0.8;
IDictionary <string, ISymbol> symbolDic = new Dictionary <string, ISymbol>();
symbolDic.Add("一级", pOutline1 as ISymbol);
symbolDic.Add("二级", pOutline2 as ISymbol);
symbolDic.Add("三级", pOutline3 as ISymbol);
symbolDic.Add("四级", pOutline4 as ISymbol);
symbolDic.Add("等外", pOutlineEqual as ISymbol);
symbolDic.Add("其他", pOutlineOther as ISymbol);
return(symbolDic);
}
/// <summary>
/// 显示公路网名字
/// </summary>
/// <param name="layer"></param>
public static void ShowRouteName(ILayer layer)
{
IFeatureLayer pFeatureLayer = layer as IFeatureLayer;
LayerManager.EnableFeatureLayerLabel(pFeatureLayer, "NAME", SymbolUtil.GetColor(50, 50, 0), 10, "");
}