private void button1_Click(object sender, EventArgs e)
{
//获取参数
int ClassNums = int.Parse(this.ClassNums.Text);
int SampleStep = int.Parse(this.SampleStep.Text);
int MaxLoopCount = int.Parse(this.MaxLoopCount.Text);
double MoveThrs = double.Parse(this.MoveThrs.Text);
int MinCellNums = Convert.ToInt32(double.Parse(this.MinCellNums.Text) * form.width * form.height);
double MaxStd = double.Parse(this.MaxStd.Text);
int MaxLumpNums = int.Parse(this.MaxLumpNums.Text);
double MinInterClassDist = double.Parse(this.MinInterClassDist.Text);
string DstRasURL = "GDBP://MapGisLocal/" + form.selectDBCmb.Text + "/ras/" + this.DstRasURL.Text;
//获取待分类影像
RasterDataSet rds = form.themeLayer.GetData() as RasterDataSet;
//获取波段信息
int[] selectBands = new int[rds.BandCount];
for (int n = 1; n <= rds.BandCount; n++)
{
selectBands[n - 1] = n;
}
//构建栅格分类器
RasClass rc = new RasClass();
//设置待分类影像
rc.SetData(rds);
//设置处理范围
rc.SetCommonParam(selectBands, 0, 0, form.height, form.width);
//调用分类器
//非监督分类：ISODATA
int i = rc.RsIsoClusterUnsupervisedClassification(ClassNums, MaxStd, MaxLoopCount, MoveThrs, MinInterClassDist, MinCellNums, MaxLumpNums, SampleStep, DstRasURL);
if (i == 1)
{
MessageBox.Show("分类成功！");
//将分类结果展示到界面上
rds.Open(DstRasURL, 0);
//添加分类影像到数据库
form.selectRasterCmb.Text = this.DstRasURL.Text;
Map map = new Map();
form.themeLayer = new RasterLayer();
if (rds != null)
{
form.themeLayer.AttachData(rds);
}
map.Append(form.themeLayer);
form.mapControl.ActiveMap = map;
form.mapControl.Refresh();
this.Close();
}
else
{
MessageBox.Show("分类失败！");
}
}
private void button1_Click(object sender, EventArgs e)
{
int[] selectBands = new int[3];
//获取波段信息
int RBand = int.Parse(System.Text.RegularExpressions.Regex.Replace(form.RBandCmb.Text, @"[^0-9]+", ""));
int GBand = int.Parse(System.Text.RegularExpressions.Regex.Replace(form.GBandCmb.Text, @"[^0-9]+", ""));
int BBand = int.Parse(System.Text.RegularExpressions.Regex.Replace(form.BBandCmb.Text, @"[^0-9]+", ""));
selectBands[0] = RBand;
selectBands[1] = GBand;
selectBands[2] = BBand;
double minProbability = 0;
//获取参数
try
{
minProbability = double.Parse(this.minProb.Text);
}
catch (Exception ex) {
MessageBox.Show("参数“最小概率”输入非法");
return;
}
string DstRasURL = "GDBP://MapGisLocal/" + form.selectDBCmb.Text + "/ras/" + distanceURL.Text;
//MessageBox.Show(DstRasURL);
if (form.selectRasterCmb.Items.Contains(distanceURL.Text))
{
MessageBox.Show("该文件已存在！请重新输入文件名。");
distanceURL.Text = "";
return;
}
//获取待分类影像
RasterDataSet rds = form.themeLayer.GetData() as RasterDataSet;
//构建栅格分类器
RasClass rc = new RasClass();
//设置待分类影像
rc.SetData(rds);
//设置处理范围
rc.SetCommonParam(selectBands, 0, 0, form.height, form.width);
//调用分类器
//监督分类：最大似然法
int i = rc.RsMaxLiklihoodSupervisedClassification(minProbability, DstRasURL);
form.selectRasterCmb.Items.Add(distanceURL.Text);
if (i == 1)
{
MessageBox.Show("分类成功！");
//将分类结果展示到界面上
rds.Open(distanceURL.Text, 0);
//添加分类影像到数据库
form.selectRasterCmb.Text = distanceURL.Text;
Map map = new Map();
form.themeLayer = new RasterLayer();
if (rds != null)
{
form.themeLayer.AttachData(rds);
}
map.Append(form.themeLayer);
form.mapControl.ActiveMap = map;
form.mapControl.Refresh();
this.Close();
}
else
{
MessageBox.Show("分类失败！");
}
}
