private Dictionary <string, double> StatArea(int[] aoi, Dictionary <string, Func <short, bool> > filters)
{
IRasterDrawing drawing = _activeViewer.Canvas.PrimaryDrawObject as IRasterDrawing;
if (drawing == null)
{
return(null);
}
IRasterDataProvider prd = drawing.DataProvider;
if (prd == null)
{
return(null);
}
RasterOperator <short> rs = new RasterOperator <short>();
if (_extractedPixels == null)
{
Dictionary <string, double> areas = rs.Area(prd, aoi, filters);
return(areas);
}
else
{
double area = rs.Area(prd, _extractedPixels, aoi);
Dictionary <string, double> areas = new Dictionary <string, double>();
areas.Add("判识面积", area);
return(areas);
}
}
private void button4_Click(object sender, EventArgs e)
{
string fname1 = "F:\\FIR_NDVI_FY3A_MERSI_250M_20120610164136_20120611164136.dat";
IRasterDataProvider prd = GeoDataDriver.Open(fname1) as IRasterDataProvider;
IRasterOperator <float> oper = new RasterOperator <float>();
area = oper.Area(prd, null, (v) => { return(true); });
}
