private void CreateDataset_Click(object sender, RoutedEventArgs e)
{
Workspace workspace = null;
DatasourceConnectionInfo info = null;
try
{
Toolkit.SetDtNameAsTableName(true);
var datasetName = "test222";
workspace = new Workspace();
info = new DatasourceConnectionInfo();
Datasource datasource = GetDbDatasource(workspace, info);
Datasets datasets = datasource.Datasets;
if (!datasets.IsAvailableDatasetName(datasetName))
{
datasets.Delete(datasetName);
}
DatasetVectorInfo vectorInfo = new DatasetVectorInfo();
vectorInfo.Name = datasetName;
vectorInfo.Type = DatasetType.Point;
var result = datasets.Create(vectorInfo);
if (result != null)
{
MessageBox.Show("添加数据集成功");
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
if (info != null)
{
info.Dispose();
}
if (workspace != null)
{
workspace.Dispose();
}
}
}
/// <summary>
/// 创建数据集
/// Create the dataset
/// </summary>
public Boolean CreateDataset(Datasource datasource, DatasetType datasetType, String datasetName)
{
Boolean result = false;
if (datasource == null)
{
return(result);
}
// 首先要判断输入的名字是否可用
// Judge that whether the input name is usable or not
if (!datasource.Datasets.IsAvailableDatasetName(datasetName))
{
MessageBox.Show($"名称为{datasetName}的数据集已存在");
return(result);
}
Datasets datasets = datasource.Datasets;
DatasetVectorInfo vectorInfo = new DatasetVectorInfo();
vectorInfo.Name = datasetName;
try
{
// Point等为Vector类型，类型是一样的，可以统一处理
// Data such as Point,Line,etc can be operated as the same method as they are all vector type
switch (datasetType)
{
case DatasetType.Point:
case DatasetType.Line:
case DatasetType.CAD:
case DatasetType.Region:
case DatasetType.Text:
case DatasetType.Tabular:
{
vectorInfo.Type = datasetType;
if (datasets.Create(vectorInfo) != null)
{
result = true;
}
}
break;
case DatasetType.Grid:
{
DatasetGridInfo datasetGridInfo = new DatasetGridInfo();
datasetGridInfo.Name = datasetName;
datasetGridInfo.Height = 200;
datasetGridInfo.Width = 200;
datasetGridInfo.NoValue = 1.0;
datasetGridInfo.PixelFormat = SuperMap.Data.PixelFormat.Single;
datasetGridInfo.EncodeType = EncodeType.LZW;
if (datasets.Create(datasetGridInfo) != null)
{
result = true;
}
}
break;
case DatasetType.Image:
{
DatasetImageInfo datasetImageInfo = new DatasetImageInfo();
datasetImageInfo.Name = datasetName;
datasetImageInfo.BlockSizeOption = BlockSizeOption.BS_128;
datasetImageInfo.Height = 200;
datasetImageInfo.Width = 200;
//datasetImageInfo.Palette = Colors.MakeRandom(10);
datasetImageInfo.EncodeType = EncodeType.None;
if (datasets.Create(datasetImageInfo) != null)
{
result = true;
}
}
break;
default:
break;
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
return(result);
}
public Boolean CreateDataset(DatasetType datasetType, String datasetName)
{
Boolean result = false;
if (m_datasource == null)
{
return(result);
}
// 首先要判断输入的名字是否可用
if (!m_datasource.Datasets.IsAvailableDatasetName(datasetName))
{
MessageBox.Show("该名字已经存在或不合法");
return(result);
}
Datasets datasets = m_datasource.Datasets;
DatasetVectorInfo vectorInfo = new DatasetVectorInfo();
vectorInfo.Name = datasetName;
try
{
// Point等为Vector类型，类型是一样的，可以统一处理
switch (datasetType)
{
case DatasetType.Point:
case DatasetType.Line:
case DatasetType.CAD:
case DatasetType.Region:
case DatasetType.Text:
case DatasetType.Tabular:
{
vectorInfo.Type = datasetType;
if (datasets.Create(vectorInfo) != null)
{
result = true;
}
}
break;
case DatasetType.Grid:
{
DatasetGridInfo datasetGridInfo = new DatasetGridInfo();
datasetGridInfo.Name = datasetName;
datasetGridInfo.BlockSize = 125;
datasetGridInfo.Height = 200;
datasetGridInfo.Width = 200;
datasetGridInfo.NoValue = 1.0;
datasetGridInfo.PixelFormat = PixelFormat.Single;
datasetGridInfo.EncodeType = EncodeType.LZW;
if (datasets.Create(datasetGridInfo) != null)
{
result = true;
}
}
break;
case DatasetType.Image:
{
DatasetImageInfo datasetImageInfo = new DatasetImageInfo();
datasetImageInfo.Name = datasetName;
datasetImageInfo.Height = 200;
datasetImageInfo.Width = 200;
datasetImageInfo.Palette = Colors.MakeRandom(10);
datasetImageInfo.EncodeType = EncodeType.None;
if (datasets.Create(datasetImageInfo) != null)
{
result = true;
}
}
break;
default:
break;
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
return(result);
}