private void selectRasterCmb_SelectedIndexChanged(object sender, EventArgs e)
{
if (selectDBCmb.Text == null || selectRasterCmb.Text == null)
{
return;
}
RBandCmb.Items.Clear();
GBandCmb.Items.Clear();
BBandCmb.Items.Clear();
rds = new RasterDataSet(GDB);
rds.Open(selectRasterCmb.Text, 0);
//将波段添加到各个comoBox中
for (int i = 0; i < rds.GetBandNum(); i++)
{
RasBand = rds.GetRasterBand(i + 1);
RBandCmb.Items.Add("波段" + (i + 1));
GBandCmb.Items.Add("波段" + (i + 1));
BBandCmb.Items.Add("波段" + (i + 1));
}
//在地图空间中显示该图层
Map map = new Map();
themeLayer = new RasterLayer();
if (rds != null)
{
themeLayer.AttachData(rds);
}
map.Append(themeLayer);
this.mapControl.ActiveMap = map;
this.mapControl.Restore();
RBandCmb.Text = "";
GBandCmb.Text = "";
BBandCmb.Text = "";
if (RBandCmb.Items.Count >= 3 && GBandCmb.Items.Count >= 3 && BBandCmb.Items.Count >= 3)
{
RBandCmb.Enabled = true;
GBandCmb.Enabled = true;
BBandCmb.Enabled = true;
RBandCmb.SelectedIndex = 0;
GBandCmb.SelectedIndex = 1;
BBandCmb.SelectedIndex = 2;
}
else
{
RBandCmb.Enabled = false;
GBandCmb.Enabled = false;
BBandCmb.Enabled = false;
}
//显示图像信息
height = rds.GetPixelHeight();
width = rds.GetPixelWidth();
labelHeight.Text = height.ToString();
labelWidth.Text = Width.ToString();
labelHeight.Visible = true;
labelWidth.Visible = true;
//显示图像分辨率
resolutionX = rds.GetResolutionX();
resolutionY = rds.GetResolutionY();
labelResolutionX.Text = resolutionX.ToString();
labelResolutionY.Text = resolutionY.ToString();
labelResolutionX.Visible = true;
labelResolutionY.Visible = true;
//给分类器设置参数
/*
* textBox2.Text = "4";
* textBox3.Text = "16";
* textBox4.Text = "20";
* textBox5.Text = "0.01";
* textBox9.Text = "0.005";
* textBox8.Text = "9.8";
* textBox7.Text = "5";
* textBox6.Text = "6.4";
*/
}
private void button_Click(object sender, EventArgs e)
{
//获取参数
//原始图像路径
string OriRasURL = "GDBP://MapGisLocal/" + selectDBCmb1.Text + "/ras/" + selectRasterCmb1.Text;
//分类图像路径
string ClsRasURL = "GDBP://MapGisLocal/" + selectDBCmb2.Text + "/ras/" + selectRasterCmb2.Text;
//评价结果路径
string result = resultPath.Text;
//统计参数
bool ErrMatrix = false;
bool ClsAccu = false;
bool TtlAccu = false;
bool Kappa = false;
if (this.ErrMatrix.Checked == true)
{
ErrMatrix = true;
}
if (this.ClsAccu.Checked == true)
{
ClsAccu = true;
}
if (this.TtlAccu.Checked == true)
{
TtlAccu = true;
}
if (this.Kappa.Checked == true)
{
Kappa = true;
}
RasterDataSet ori_rds = new RasterDataSet();
RasterDataSet cls_rds = new RasterDataSet();
ori_rds.OpenByURL(OriRasURL, RasAccessType.RasAccessType_Update);
cls_rds.OpenByURL(ClsRasURL, RasAccessType.RasAccessType_Update);
//显示图像信息
height = cls_rds.GetPixelHeight();
width = cls_rds.GetPixelWidth();
//生成评价器
RasClassificationAnalyse rca = new RasClassificationAnalyse();
//设置初始参数
rca.SetData(cls_rds, cls_rds.BandCount);
//设置处理范围
rca.SetCommonParam(0, 0, height, width);
//调用评价器
int i = rca.RsClassificationAccuracyAnalyse(ori_rds, ErrMatrix, ClsAccu, TtlAccu, Kappa, result);
if (i > 0)
{
MessageBox.Show("精度评价完成！");
}
else
{
MessageBox.Show("精度评价失败！");
}
}