private void DoBandMath(IRasterDrawing drawing, string outFilename, string expression)
{
string extName = Path.GetExtension(outFilename).Replace(",", "").ToUpper();
if (extName == ".DAT")
{
extName = "MEM";
}
else
{
extName = "LDF";
}
IBandMathTool bandMathTool = new BandMathTool();
IProgressMonitor progress = _smartSession.ProgressMonitorManager.DefaultProgressMonitor;
try
{
progress.Reset("正在执行波段运算...", 100);
progress.Start(false);
bandMathTool.Compute(drawing.DataProviderCopy, expression, extName, outFilename,
(idx, tip) =>
{
progress.Boost(idx, "正在执行波段运算...");
});
}
finally
{
progress.Finish();
//if (MsgBox.ShowQuestionYesNo("波段运算已输出文件\"" + outFilename + "\"，要打开文件吗？") == System.Windows.Forms.DialogResult.Yes)
{
OpenFileFactory.Open(outFilename);
}
}
}
private void btnDoBandMath_Click(object sender, EventArgs e)
{
try
{
IBandMathTool bandMathTool = new BandMathTool();
using (IRasterDataProvider prd = GeoDataDriver.Open(txtFileName.Text) as IRasterDataProvider)
{
bandMathTool.Compute(prd, txtExpression.Text, cbDriverType.Text, txtOutFilename.Text,
(idx, tip) =>
{
Text = tip + ":" + idx.ToString() + "%";
});
}
Text = "OK.";
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}