/// <summary>
/// 获取分辨率最高的栅格计算操作类
/// </summary>
/// <param name="referencedRaster"></param>
/// <param name="cellSize"></param>
/// <returns></returns>
private static IMapAlgebraOp GetAlgebraOp(IRaster referencedRaster, double cellSize)
{
//实例化栅格运算工具
IMapAlgebraOp mapAlgebraOp = new RasterMapAlgebraOp() as IMapAlgebraOp;
//以分辨率最高的栅格为参考对象
RasterAnalysisEnvironmentClass.SetAnalysisEnvironment(mapAlgebraOp, referencedRaster, cellSize);
return(mapAlgebraOp);
}
//
//执行
//
private void btnRun_Click(object sender, EventArgs e)
{
frmWaitDialog frmWait = new frmWaitDialog("正在分类...", "提示信息");
try
{
frmWait.Owner = this;
frmWait.TopMost = false;
//获取组合的条件运算公式，若检查失败，提示并返回
RasterMapAlgebraOp op = new RasterMapAlgebraOp(Canvas.instance.decisionTree.GetLayer(0).nodeList[0], DecisionTree.variableTable);
string msg = "";
if (!op.CheckExp(Canvas.instance.decisionTree.GetLayer(0).nodeList[0], out msg))
{
XtraMessageBox.Show(msg);
return;
}
SaveFileDialog dialog = new SaveFileDialog();
dialog.Title = "保存结果文件";
dialog.Filter = "tiff(*.tif)|*.tif|All files(*.*)|*.*";
if (dialog.ShowDialog() == DialogResult.OK)
{
op.Execute(dialog.FileName);
}
//元数据
if (_treeFile.Contains("gf4.tree"))
{
BLL.ProductMeta meta = new ProductMeta(dialog.FileName, "GF4", "", "长时间序列识别结果", "作物识别结果");
meta.WriteGeoMeta();
}
else
{
BLL.ProductMeta meta = new ProductMeta(dialog.FileName, "", "", "决策树识别结果", "作物识别结果");
meta.WriteGeoMeta();
}
//快视图
BLL.ProductQuickView view = new BLL.ProductQuickView(dialog.FileName);
view.Create();
if (DialogResult.OK == XtraMessageBox.Show("分类完毕，是否加分类载结果？", "提示信息", MessageBoxButtons.OKCancel, MessageBoxIcon.Question))
{
MAP.AddRasterFileToMap(dialog.FileName);
}
//this.Close();
}
catch (Exception ex)
{ XtraMessageBox.Show("分类失败：" + ex.Message); }
finally
{
frmWait.Close();
}
}
