// 新建要素集
public DatasetVector DatasetVectorInfoSample(Datasource datasource, string tableName)
{
try
{
this.tempDatasetName = datasource.Datasets.GetAvailableDatasetName(tableName);
// 设置矢量数据集的信息
DatasetVectorInfo datasetVectorInfo = new DatasetVectorInfo();
datasetVectorInfo.Type = DatasetType.Point;
datasetVectorInfo.IsFileCache = true;
datasetVectorInfo.Name = tempDatasetName;
this.MyLog("矢量数据集的信息为：" + datasetVectorInfo.ToString());
// 创建矢量数据集
DatasetVector ds = datasource.Datasets.Create(datasetVectorInfo);
//add field info
FieldInfos fields = ds.FieldInfos;
FieldInfo fieldInfo = new FieldInfo("ID", FieldType.Text);
fields.Add(fieldInfo);
fieldInfo = new FieldInfo("NAME", FieldType.Text);
fields.Add(fieldInfo);
fieldInfo = new FieldInfo("XBH", FieldType.Text);
fields.Add(fieldInfo);
fieldInfo = new FieldInfo("X", FieldType.Double);
fields.Add(fieldInfo);
fieldInfo = new FieldInfo("Y", FieldType.Double);
fields.Add(fieldInfo);
ds.Close();
return ds;
}
catch (Exception)
{
return null;
}
}
// 新建要素集
public DatasetVector DatasetVectorInfoSample(Datasource datasource, string tableName)
{
try
{
this.tempDatasetName = datasource.Datasets.GetAvailableDatasetName(tableName);
// 设置矢量数据集的信息
DatasetVectorInfo datasetVectorInfo = new DatasetVectorInfo();
datasetVectorInfo.Type = DatasetType.Point;
datasetVectorInfo.IsFileCache = true;
datasetVectorInfo.Name = tempDatasetName;
this.MyLog("矢量数据集的信息为：" + datasetVectorInfo.ToString());
// 创建矢量数据集
DatasetVector ds = datasource.Datasets.Create(datasetVectorInfo);
//add field info
FieldInfos fields = ds.FieldInfos;
FieldInfo fieldInfo = new FieldInfo("ID", FieldType.Text);
fields.Add(fieldInfo);
fieldInfo = new FieldInfo("NAME", FieldType.Text);
fields.Add(fieldInfo);
fieldInfo = new FieldInfo("XBH", FieldType.Text);
fields.Add(fieldInfo);
fieldInfo = new FieldInfo("X", FieldType.Double);
fields.Add(fieldInfo);
fieldInfo = new FieldInfo("Y", FieldType.Double);
fields.Add(fieldInfo);
ds.Close();
return(ds);
}
catch (Exception)
{
return(null);
}
}
