private static short[] readSDS(string sdsName, int[] start, int[] count, CloudsatDataProvider raster)
{
int width = count[0];
int height = count[1];
int buffersize = width * height;
int typesize = 2;
IntPtr ptr = Marshal.AllocHGlobal(buffersize * typesize);
try
{
bool stat = raster.ReadSDS(sdsName, start, count, ptr);
if (stat)
{
short[] buffer = new short[buffersize];
Marshal.Copy(ptr, buffer, 0, buffersize);
return(buffer);
}
else
{
return(null);
}
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
static void Main(string[] args)
{
string fullfilename = @"E:\Smart\CloudArgs\cloudsat\2007101034511_05065_CS_2B-GEOPROF_GRANULE_P_R04_E02.hdf";
CloudsatDataProvider data = new CloudsatDataProvider(fullfilename, null, null);
data.Test();
}
public static void GetCoverPtCount(object paras)
{
cloudsatF cloudsatFg = paras as cloudsatF;
string file = cloudsatFg.filename;
double minX = cloudsatFg.minX;
double maxX = cloudsatFg.maxX;
double minY = cloudsatFg.minY;
double maxY = cloudsatFg.maxY;
CloudsatDataProvider locRst = null;
int inCount = 0;
float[] lats, lons;
using (locRst = GeoDataDriver.Open(file) as CloudsatDataProvider)
{
lats = locRst.ReadVdata("Latitude", null, 0, locRst.Height) as float[];
lons = locRst.ReadVdata("Longitude", null, 0, locRst.Height) as float[];
}
for (int i = 0; i < lats.Length; i++)
{
if (lats[i] >= (double)minY && lats[i] <= (double)maxY && lons[i] >= (double)minY && lons[i] <= (double)maxY)
{
inCount++;
}
}
//return new int[] { lats.Length,inCount };
}
public void ToRaster(string[] cloudsatfiles, int bandNo, int heightLevel, IRasterDataProvider oraster)
{
_cloudsatfiles = cloudsatfiles;
_bandNo = bandNo;
_band = oraster.GetRasterBand(1);
_heightLevel = heightLevel;
int ox = oraster.Width;
int oy = oraster.Height;
float resolutionx = oraster.ResolutionX;
float resolutiony = oraster.ResolutionY;
Size osize = new Size(oraster.Width, oraster.Height);
GeoDo.RSS.Core.DF.CoordEnvelope env = oraster.CoordEnvelope;
short[] refValues = new short[ox * oy];
for (int i = 0; i < _cloudsatfiles.Length; i++)
{
float[] latitudes;
float[] longitudes;
int h;
string fullfilename = _cloudsatfiles[i];
int cou, minX, maxX;
short[] datas = null;
int level = _heightLevel;//
int xn;
using (CloudsatDataProvider raster = GeoDataDriver.Open(fullfilename) as CloudsatDataProvider)
{
CloudSatRasterBand band = raster.GetRasterBand(_bandNo) as CloudSatRasterBand;
h = band.Height;//37081
latitudes = raster.ReadVdata("Latitude", null, 0, h) as float[];
longitudes = raster.ReadVdata("Longitude", null, 0, h) as float[];
cou = 0;
minX = 0;
maxX = h;
IntersectEnvelope(latitudes, longitudes, env, ref cou, ref minX, ref maxX);
xn = maxX - minX + 1;
datas = readData(new int[] { minX, level }, new int[] { xn, 1 }, band);
}
if (cou > 0 && (minX != 0 || maxX != h))
{
float[] lats = new float[xn];
float[] longs = new float[xn];
Buffer.BlockCopy(latitudes, minX * 4, lats, 0, xn * 4);
Buffer.BlockCopy(longitudes, minX * 4, longs, 0, xn * 4);
latitudes = lats;
longitudes = longs;
}
PointProjection.PointToRasterInt16(longitudes, latitudes, datas, env, resolutionx, resolutiony, osize, ref refValues);
}
GCHandle handle = GCHandle.Alloc(refValues, GCHandleType.Pinned);
try
{
_band.Write(0, 0, ox, oy, handle.AddrOfPinnedObject(), enumDataType.Int16, ox, oy);
}
finally
{
handle.Free();
}
}
protected override bool FileHeaderIsOK(string fname, string extName)
{
return(CloudsatDataProvider.IsSupport(fname, null));
}
public override void Execute(string argument)
{
if (string.IsNullOrWhiteSpace(argument) || !Directory.Exists(argument))
{
return;
}
string fullfilename;
string maskpng = AppDomain.CurrentDomain.BaseDirectory + @"\SystemData\ProductArgs\CLD\Cloudsat_Overview_withcountry.png";
fullfilename = argument;
ICommand cmd = _smartSession.CommandEnvironment.Get(2000);
if (cmd != null)
{
cmd.Execute(maskpng);
}
GeoDo.RSS.Core.DF.CoordEnvelope env = TryGetActiveViewerEnv();
if (env == null)
{
env = new RSS.Core.DF.CoordEnvelope(65, 145, 10, 60);
}
//如果测试整个影像数据，则输出图像为：0,37081,37081
int x1 = 0;
int x2 = 37081;
int outnx = 2000;
int h1 = -1; //# km
int h2 = 21; //# km
int nz = 400; //# Number of pixels in the vertical.（这个偏移需要指定）
int dtnx = 0; //125
int dtny = 0; //13000
int xn = x2 - x1; //值从1700到2000,要读取的实际横轴方向数据。（最后这个偏移会通过地理范围，或者时间范围，计算出来）
//return;
CloudsatDataProvider raster = GeoDataDriver.Open(fullfilename) as CloudsatDataProvider;
CloudSatRasterBand band = raster.GetRasterBand(1) as CloudSatRasterBand;
dtnx = band.Width; //层数
dtny = band.Height; //点数
sw.Start();
float[] Latitude = raster.ReadVdata("Latitude", null, x1, x2) as float[];
float[] Longtitude = raster.ReadVdata("Longitude", null, x1, x2) as float[];
sw.Stop();
elapsed = sw.ElapsedMilliseconds;
Console.WriteLine("ReadVdata" + elapsed + "毫秒");
int cou = 0;
int minIndex = 0;
int maxIndex = Latitude.Length;
IntersectEnvelope(Latitude, Longtitude, env, ref cou, ref minIndex, ref maxIndex);
Console.WriteLine(cou + "点在指定范围内");
float[] times = raster.ReadVdata("Profile_time", null, x1, x2) as float[];
if (cou > 0 && (x1 != minIndex || x2 != maxIndex))
{
x1 = minIndex;
x2 = maxIndex;
xn = x2 - x1 + 1;
float[] lats = new float[xn];
float[] longs = new float[xn];
float[] ts = new float[xn];
Buffer.BlockCopy(Latitude, x1 * 4, lats, 0, xn * 4);
Buffer.BlockCopy(Longtitude, x1 * 4, longs, 0, xn * 4);
Buffer.BlockCopy(times, x1 * 4, ts, 0, xn * 4);
Latitude = lats;
Longtitude = longs;
times = ts;
}
string start_time = raster.ReadAttribute("start_time") as string;
DateTime dt_start_time;
dt_start_time = DateTime.ParseExact(start_time, "yyyyMMddHHmmss", null);
List <DateTime> dts = new List <DateTime>();
foreach (float time in times)
{
dts.Add(dt_start_time.AddMinutes(time)); //应为AddSeconds()
}
short[] heights = readSDS("Height", new int[] { x1, 0 }, new int[] { xn, dtnx }, raster); //p1c1,p1c2,..,p1c125,p2c1,...
short[] datas = readData(new int[] { x1, 0 }, new int[] { xn, dtnx }, band);
float[] X = new float[xn];//原始数据中的数据点号
for (int i = 0; i < xn; i++)
{
X[i] = i + x1;
}
//heights数据是x=125,y=100=>Z[100,125]
float[,] Z = new float[xn, dtnx]; //每个点的高度xn = 100, dtnx =125;
for (int i = 0; i < dtnx; i++) //heights的列,层数
{
for (int j = 0; j < xn; j++) //heights的行,点数
{
Z[j, i] = heights[j * dtnx + i] * 0.001f; //m-->km
}
}
short[,] newdata = new short[xn, dtnx];//点数，层数
var dest = Marshal.UnsafeAddrOfPinnedArrayElement(newdata, 0);
Marshal.Copy(datas, 0, dest, datas.Length);//将数据的一维数组变化为2维数组
Marshal.Release(dest);
short[,] dat = Rote <short>(newdata);//调换数组的行列，dat为层数×点数的数组；
Bitmap bmp = null;
IntPtr src;
outnx = xn < 4000 ? xn : 4000;
float[,] dataf = interp2d_12(newdata, X, Z, x1, x2, outnx, h2, h1, nz); //将数据进行插值
float[,] newdataf = Rote <float>(dataf); //调换数组的行列，dat为层数×点数的数组；
int count = newdataf.Length;
float[] datac = new float[count];
src = Marshal.UnsafeAddrOfPinnedArrayElement(newdataf, 0);//
Marshal.Copy(src, datac, 0, newdataf.Length);
Marshal.Release(dest);
DisplayLonLat(Latitude, Longtitude, fullfilename);
//string[] dtimes = new string[dts.Count];
//for(int i =0;i< dts.Count;i++)
//{
// DateTime dt = dts[i];
// dtimes[i] = dt.ToString("HH:mm:ss");
//}
//try
//{
// bmp = ToBitmap(outnx, nz, datac);//点数(宽)，层数(高)
// if (bmp != null)
// {
// string bmpfilename = MifEnvironment.GetFullFileName("2B-GEOPROF.Radar_Reflectivity.bmp");
// bmp.Save(bmpfilename);
// //OpenFileFactory.Open(bmpfilename);
// CloudsatPlotWnd wnd = _smartSession.SmartWindowManager.SmartToolWindowFactory.GetSmartToolWindow(_id) as CloudsatPlotWnd;
// if (wnd != null)
// {
// _smartSession.SmartWindowManager.DisplayWindow(wnd, new WindowPosition(System.Windows.Forms.DockStyle.Bottom, false));
// wnd.Reset(fullfilename, bmp, x1, x2, h1, h2, dtimes, null);
// }
// frmPlot frm = new frmPlot();
// ucCloudsatPlot plots = frm.plots;
// plots.AddYAxis(dtimes);
// plots.Reset(fullfilename, bmp, x1, x2, h1, h2, null);
// //plots.Rerender();
// //frm.Reset(fullfilename, bmp, x1, x2, h1, h2, dtimes, null);
// frm.Show();
// }
//}
//finally
//{
// //if (bmp != null)
// // bmp.Dispose();
//}
}
public void Compute(Action <string> ProBack)
{
float[] lats = null, lons = null;
double minX, maxX, minY, maxY;
foreach (long regionid in _allRegions.Keys)
{
PrjEnvelopeItem item = _allRegions[regionid];
minX = item.PrjEnvelope.MinX; //10
maxX = item.PrjEnvelope.MaxX; //60
minY = item.PrjEnvelope.MinY; //65
maxY = item.PrjEnvelope.MaxY; //145
ProBack("\t开始进行CloudSAT数据与" + item.Name + "区域的关联计算...");
Dictionary <Int32, double> granuleNOPct = new Dictionary <Int32, double>();
Dictionary <long, Double> filePct = new Dictionary <long, Double>();
Dictionary <Int32, Int32> granuleNOAllCount = new Dictionary <Int32, Int32>();
string[] fNameParts;
//string fName;
int granuleNO;
float uplat, uplon, downlat, downlon;
foreach (string file in _file2ID.Keys)
{
try
{
//2007101052404_05066_CS_MODIS-AUX_GRANULE_P_R04_E02.hdf
string fname = Path.GetFileName(file);
ProBack("\t\t开始进行" + file + "与" + item.Name + "区域的关联计算...");
fNameParts = Path.GetFileNameWithoutExtension(file).Split(new char[] { '_' }, StringSplitOptions.RemoveEmptyEntries);
if (fNameParts.Length != 8)
{
continue;
}
if (fNameParts[2] != "CS")
{
continue;
}
granuleNO = int.Parse(fNameParts[1]);
if (!granuleNOPct.ContainsKey(granuleNO) && fNameParts[3].ToUpper() != "MODIS-AUX")//每个轨道号数据具有同一个覆盖度
{
int inCount = 0;
CloudsatDataProvider locRst = null;
ProBack("\t\t\t读取" + fname + "的经纬度数据集...");
using (locRst = GeoDataDriver.Open(file) as CloudsatDataProvider)
{
lats = locRst.ReadVdata("Latitude", null, 0, locRst.Height) as float[];
lons = locRst.ReadVdata("Longitude", null, 0, locRst.Height) as float[];
}
ProBack("\t\t\t开始计算" + fname + "与区域的相交...");
int firstpt = -1, lastpt = -1;
for (int i = 0; i < lats.Length; i++)
{
if (lats[i] >= minY && lats[i] <= maxY && lons[i] >= minX && lons[i] <= maxX)
{
if (firstpt == -1)
{
firstpt = i;
}
lastpt = i;
inCount++;
}
}
if (firstpt != -1)//存在覆盖该区域的点
{
#region 计算南点和北点的经纬度
if (firstpt != lastpt)//多于一个点
{
if (lats[firstpt] > lats[lastpt])
{
uplat = lats[firstpt];
uplon = lons[firstpt];
downlat = lats[lastpt];
downlon = lons[lastpt];
}
else
{
uplat = lats[lastpt];
uplon = lons[lastpt];
downlat = lats[firstpt];
downlon = lons[firstpt];
}
}
else
{
uplat = lats[firstpt];
uplon = lons[firstpt];
downlat = lats[firstpt];
downlon = lons[firstpt];
}
#endregion
#region 入库
//granuleNO,regionid,uplat,uplon,downlat,downlon,firstpt,lastpt
if (!_con.IshasRecord("cp_cloudsatinregionlatlon_tb", "GranuleNumber", granuleNO))
{
_con.InsertCloudsatGranule2Region(granuleNO, regionid, uplat, uplon, downlat, downlon, firstpt, lastpt);
}
ProBack("\t\t\t将" + granuleNO + "起始范围计算结果入库成功！");
#endregion
}
granuleNOPct.Add(granuleNO, inCount / (lats.Length * 1.0) * 100.0);
granuleNOAllCount.Add(granuleNO, lats.Length);
}
if (granuleNOAllCount.ContainsKey(granuleNO))
{
if (!_con.IshasRecord("cp_cloudsat2region_tb", "CloudSatID", _file2ID[file]))
{
_con.InsertCloudsat2RegionTable(_file2ID[file], granuleNOAllCount[granuleNO], regionid, granuleNOPct[granuleNO]);
}
ProBack("\t\t将" + fname + "计算结果入库成功！");
}
}
catch (System.Exception ex)
{
ProBack("\t" + file + "处理出错！" + ex.Message);
}
}
}
}
