/// <summary>
/// 该函数负责将给定featuresource配以style并返回layer
/// </summary>
/// <param name="gdb"></param>
/// <param name="datapath"></param>
/// <param name="stylepath"></param>
/// <param name="layername"></param>
/// <returns></returns>
public static Layer LoadLayer(FeatureSource featuresource, string layername, string stylepath)
{
Style style = null;
try
{
if (stylepath != null)
{
style = Style.parseStyleFile(stylepath);
}
}catch (Exception e)
{
}
if (style == null)
{
style = Style.createSimpleStyle(featuresource);
}
Layer layer = new Layer(layername, featuresource, style);
return(layer);
}
/// <summary>
/// 用户向已有gdb中添加一个新的图层,该图层必须已存在shp文件
/// 向该mapcontent中添加一个layer
/// </summary>
/// <param name="gdb"></param>
/// <param name="layerpath"></param>
/// <param name="stylepath"></param>
/// <returns></returns>
public string addLayer(string layerpath, string stylepath, string guid, string layername)
{
if (layerpath == null)
{
return(null);
}
FeatureSource featuresource = null;
PGGeoDatabase gdb = (PGGeoDatabase)this.gdb;
//string layername =
gdb.AddSHPFeatureSource(layerpath, guid);
if (!this.gdb.featureSources.TryGetValue(guid, out featuresource))
{
return(null);
}
Style style = null;
try
{
if (stylepath != null)
{
style = Style.parseStyleFile(stylepath);
}
}
catch (Exception e)
{
}
if (style == null)
{
style = Style.createSimpleStyle(featuresource);
}
Layer layer = new Layer(layername, featuresource, style);
this.layerlist.Insert(0, layer);
return(layername);
}