private StatResultItem[] CountByLandRaster(IRasterDataProvider raster)
{
using (IRasterDictionaryTemplate <byte> temp = RasterDictionaryTemplateFactory.CreateLandRasterTemplate())
{
Dictionary <byte, string> paris = temp.CodeNameParis;
if (paris == null)
{
return(null);
}
List <StatResultItem> items = new List <StatResultItem>();
int[] aoi;
double totalArea;
foreach (string value in paris.Values)
{
aoi = temp.GetAOI(value, raster.CoordEnvelope.MinX, raster.CoordEnvelope.MaxX, raster.CoordEnvelope.MinY, raster.CoordEnvelope.MaxY, new Size(raster.Width, raster.Height));
if (aoi == null)
{
continue;
}
totalArea = GetTotalArea(raster, aoi);
if (totalArea == 0)
{
continue;
}
StatResultItem it = new StatResultItem();
it.Name = value;
it.Value = totalArea / _dayCount;
items.Add(it);
}
return(items != null?items.ToArray() : null);
}
}
private void button5_Click(object sender, EventArgs e)
{
IRasterDictionaryTemplate <int> temp = RasterDictionaryTemplateFactory.GetXjRasterTemplate();
aoi = temp.GetAOI("北京市", 114, 124, 36, 46, new Size(1000, 1000));
//temp.CodeNameParis
name = temp.GetPixelName(114d, 39d);
}
private StatResultItem[] CountByLandRaster(IRasterDataProvider raster, Func <T, int, int> weight)
{
IRasterDictionaryTemplate <byte> temp = RasterDictionaryTemplateFactory.CreateLandRasterTemplate();
Dictionary <byte, string> paris = temp.CodeNameParis;
if (paris == null)
{
return(null);
}
double lon = raster.CoordEnvelope.Center.X;
double lat = raster.CoordEnvelope.Center.Y;
IRasterOperator <T> oper = new RasterOperator <T>();
List <StatResultItem> items = new List <StatResultItem>();
int[] aoi;
int count;
foreach (string value in paris.Values)
{
aoi = temp.GetAOI(value, raster.CoordEnvelope.MinX, raster.CoordEnvelope.MaxX, raster.CoordEnvelope.MinY, raster.CoordEnvelope.MaxY, new Size(raster.Width, raster.Height));
if (aoi == null)
{
continue;
}
count = oper.Count(raster, aoi, weight);
if (count == 0)
{
continue;
}
StatResultItem it = new StatResultItem();
it.Name = value;
it.Value = count;
double d = AreaCountHelper.CalcArea(lon, lat, raster.ResolutionX, raster.ResolutionY) * count * Math.Pow(10, -6);
it.Value = Math.Round(d, 3);
items.Add(it);
}
return(items != null?items.ToArray() : null);
}
