private bool Write(string folderPath)
{
ContinuousWait wait = new ContinuousWait("计算转换率");
Hashtable para = new Hashtable()
{
{ "wait", wait }, { "folderPath", folderPath }, { "ret", false }
};
Thread t = new Thread(new ParameterizedThreadStart(Run));
t.Start(para);
wait.ShowDialog();
t.Abort();
return((bool)para["ret"]);
}
private void Run(object p)
{
Hashtable para = p as Hashtable;
ContinuousWait wait = para["wait"] as ContinuousWait;
var folderPath = para["folderPath"].ToString();
try
{
string preWorkSpace = Path.GetDirectoryName(_preRasterFilePath);
string preFileName = Path.GetFileNameWithoutExtension(_preRasterFilePath);
string aftWorkSpace = Path.GetDirectoryName(_aftRasterFilePath);
string aftFileName = Path.GetFileNameWithoutExtension(_aftRasterFilePath);
RasterReader preReader = new RasterReader(preWorkSpace, preFileName + ".tif");
RasterReader aftReader = new RasterReader(aftWorkSpace, aftFileName + ".tif");
RasterOp preOp = new RasterOp(preReader);
RasterOp aftOp = new RasterOp(aftReader);
RasterOp res = preOp.Clone();
res.Reset();
for (int i = 0; i < preOp.Width; i++)
{
for (int j = 0; j < preOp.Height; j++)
{
if (preOp.Read(i, j).HasValue)
{
float orgin = (float)preOp.Read(i, j);
float now = (float)aftOp.Read(i, j);
if (Math.Abs(orgin) > 10e-5)
{
float rate = (now - orgin) / orgin;
res.Write(i, j, rate);
}
}
}
}
RasterWriter writer = new RasterWriter(folderPath, RasterName, preReader.RasterInfo);
res.WriteRaster(writer, "TIFF");
para["ret"] = true;
}
catch (Exception e)
{
_log.Error(e.GetType() + e.Message + e.StackTrace);
para["ret"] = false;
}
finally
{
wait.CloseWait();
}
}
