private void Disposed(IGeoDataDriver ldfDrv, IRasterDataProvider ldfPrd, IRasterBand ldfBand, IMvgDriver mvgDrv, IMvgDataProvider mvgPrd, IRasterBand mvgBand)
{
if (mvgBand != null)
{
mvgBand.Dispose();
}
if (mvgPrd != null)
{
mvgPrd.Dispose();
}
if (mvgDrv != null)
{
mvgDrv.Dispose();
}
if (ldfBand != null)
{
ldfBand.Dispose();
}
if (ldfPrd != null)
{
ldfPrd.Dispose();
}
if (ldfDrv != null)
{
ldfDrv.Dispose();
}
}
public GRIB1DataProvider(string fileName, byte[] header1024, IGeoDataDriver driver, enumDataProviderAccess access)
: base(fileName, driver)
{
ReadToDataProvider();
_bandCount = 1;
LoadBands();
}
public void Compute(IRasterDataProvider dataProvider, string expression, string outDriver, string outFile, Action <int, string> progressTracker)
{
if (dataProvider == null || string.IsNullOrWhiteSpace(expression) || string.IsNullOrWhiteSpace(outDriver) || string.IsNullOrWhiteSpace(outFile))
{
throw new ArgumentNullException();
}
IGeoDataDriver driver = GeoDataDriver.GetDriverByName(outDriver);
if (driver == null)
{
throw new Exception("driver '" + outDriver + "' is not existed.");
}
IRasterDataProvider dstProvider = CreateDstDataProvider(driver as IRasterDataDriver, outFile, dataProvider);
if (dataProvider == null)
{
throw new Exception("use '" + outDriver + "'create RasterDataProvider is failed.");
}
try
{
Compute(dataProvider, expression, dstProvider.GetRasterBand(1), progressTracker);
}
finally
{
dstProvider.Dispose();
driver.Dispose();
}
}
//适用于打开文件的情况
public MvgDataProvider(string fileName, IGeoDataDriver dataDriver, bool isReadOnly)
: base(fileName, dataDriver)
{
_driver = dataDriver;
_fileName = fileName;
string hdrfile = HdrFile.GetHdrFileName(_fileName);
if (File.Exists(hdrfile))
{
_filelist = new string[] { _fileName, hdrfile }
}
;
else
{
_filelist = new string[] { _fileName }
};
_header = new MvgHeader(fileName);
FillProviderAttributes();
_fsStream = new FileStream(_fileName, FileMode.Open, isReadOnly ? FileAccess.Read : FileAccess.ReadWrite);
if (!isReadOnly)
{
_binaryWriter = new BinaryWriter(_fsStream);
}
_binaryReader = new BinaryReader(_fsStream);
LoadBands();
}
public NA141BDataProvider(string fileName, byte[] header1024, IGeoDataDriver driver, enumDataProviderAccess access)
: base(fileName, header1024, driver, access)
{
InitDataIdentify();
_fsStream = new FileStream(fileName, FileMode.Open, access == enumDataProviderAccess.ReadOnly ? FileAccess.Read : FileAccess.ReadWrite);
_binrayReader = new BinaryReader(_fsStream);
}
void item_Click(object sender, EventArgs e)
{
RadMenuItem item = sender as RadMenuItem;
if (item == null)
{
return;
}
IGeoDataDriver driver = item.Tag as IGeoDataDriver;
if (driver == null)
{
return;
}
using (OpenFileDialog diag = new OpenFileDialog())
{
diag.Title = "文件打开为" + driver.FullName;
if (diag.ShowDialog() == DialogResult.OK)
{
try
{
IGeoDataProvider provider = driver.Open(diag.FileName, enumDataProviderAccess.ReadOnly);
if (provider == null)
{
return;
}
OpenDataProvider(provider);
}
catch (Exception ex)
{
MsgBox.ShowInfo("无法识别为该驱动的文件" + driver.FullName);
}
}
}
}
public GRIB2DataProvider(string fileName, byte[] header1024, IGeoDataDriver driver, enumDataProviderAccess access)
: base(fileName, driver)
{
_records = new List <GRIB2Record>();
_parameterList = new List <string>();
ReadToDataProvider();
}
public FY3AASOandASLProvider(string fileName, byte[] header1024, IGeoDataDriver driver, params object[] args)
: base(fileName, driver)
{
_fileName = fileName;
_args = args;
using (Dataset dataset = Gdal.Open(fileName, Access.GA_ReadOnly))
{
GDALHelper.GetDatasetAttributes(dataset, _attributes);
}
Dictionary <string, string> allGdalSubDatasets = this.Attributes.GetAttributeDomain("SUBDATASETS");
_allGdalSubDatasets = RecordAllSubDatasetNames(allGdalSubDatasets);
_coordEnvelope = TrySetGeoInfo();
_selectedsets = TryGetSelectedSets();
TryCreateBandProvider();
_bandCount = _rasterBands.Count;
_dataType = _rasterBands[0].DataType;
_width = _rasterBands[0].Width;
_height = _rasterBands[0].Height;
_spatialRef = SpatialReference.GetDefault();
_coordType = _spatialRef.ProjectionCoordSystem != null ? enumCoordType.PrjCoord : enumCoordType.GeoCoord;
_resolutionX = (float)(_coordEnvelope.Width / (_width));
_resolutionY = (float)(_coordEnvelope.Height / (_height));
if (_dataIdentify != null)
{
_dataIdentify.OrbitDateTime = IceConDataProvider.TryGetFileDate(Path.GetFileName(fileName));
}
}
public SeaWaveDataProvider(string fileName, IGeoDataDriver driver)
: base(fileName, driver)
{
_filelist = new string[] { fileName };
_fileName = fileName;
ReadData();
}
/// <summary>
///
/// </summary>
/// <param name="fileName"></param>
/// <param name="header1024"></param>
/// <param name="driver"></param>
/// <param name="args">
/// 可扩展的参数信息，每对参数都采用key=value的形式。
/// 1、数据集，采用逗号分隔的形式加入默认所选择的波段。
/// 例如：datasets=VIRR_1Km_LST[,...]
/// 2、投影方式,采用proj4字符串的形式
/// 例如：proj4=
/// 3、其他待扩展的参数信息
/// 坐标信息：geoinfo=1,2,3,4,5,6//其中1，2，3,4，5,6分辨代表：minX,maxX,minY,maxY,resolutionX,resolutionY;
/// 经纬度数据集：geodatasets=Longitude,Latitude//该数据对轨道数据有效。
/// </param>
public HdfRasterDataProvider(string fileName, byte[] header1024, IGeoDataDriver driver, params object[] args)
: base(fileName, driver)
//: base(fileName, driver)
{
_args = args;
TryParseArgs();
using (Dataset _dataset = Gdal.Open(fileName, Access.GA_ReadOnly))
{
GDALHelper.GetDatasetAttributes(_dataset, _attributes);
//数据集仅有一个数据集，一个通道
if (_dataset.RasterCount == 1)
{
//GDAL对于只有一个数据集的HDF数据，SUBDATASETS属性值是空的，这里尝试手动设置下
TrySetGDALSUBDATASETS(_datasets);
}
}
//...可以在此添加投影等信息
TryCreateBandProvider(fileName, header1024, _datasets, _attributes.GetAttributeDomain("SUBDATASETS"));
//_bandCount = _dataset.RasterCount;
_bandCount = _rasterBands.Count;
TryGetDatTypeOfProvider();
TryGetSizeOfProvider();
TryCreateSpatialRef();
TryCreateCoordTransform();
TrySetEnvelopeAndResolutions();
}
public unsafe void ReadMvgFile_noOffset_Bigger()
{
IGeoDataDriver drv = GeoDataDriver.GetDriverByName("MVG");
IRasterDataProvider prd = drv.Open(_fname, enumDataProviderAccess.ReadOnly) as IRasterDataProvider;
Assert.NotNull(prd);
IRasterBand band = prd.GetRasterBand(1);
Assert.NotNull(band);
Int16[] data = new Int16[prd.Width * 2 * prd.Height];
Console.WriteLine("prd.Width = " + prd.Width);
Console.WriteLine("prd.Height = " + prd.Height);
Console.WriteLine("band.Width = " + band.Width);
Console.WriteLine("band.Height= " + band.Height);
fixed(Int16 *ptr = data)
{
IntPtr buffer = new IntPtr(ptr);
band.Read(0, 0, prd.Width, prd.Height, buffer, enumDataType.Int16, prd.Width * 2, prd.Height);
}
string dstFname = @"e:\mvg";//@"C:\工作\3.13\read";
WriteBandToFile(data, dstFname + "_bigger" + "_read" + ".dat");
prd.Dispose();
drv.Dispose();
}
public unsafe void ReadMvgFileNormal()
{
// _fname = @"C:\工作\3.13\SNW_DBLV_FY3A_VIRR_1000M_NULL_P001_200911131356.mvg";
IGeoDataDriver drv = GeoDataDriver.GetDriverByName("MVG");
IRasterDataProvider prd = drv.Open(_fname, enumDataProviderAccess.ReadOnly) as IRasterDataProvider;
Assert.NotNull(prd);
IRasterBand band = prd.GetRasterBand(1);
Assert.NotNull(band);
Int16[] data = new Int16[prd.Width * prd.Height];
Console.WriteLine("prd.Width = " + prd.Width);
Console.WriteLine("prd.Height = " + prd.Height);
Console.WriteLine("band.Width = " + band.Width);
Console.WriteLine("band.Height= " + band.Height);
fixed(Int16 *ptr = data)
{
IntPtr buffer = new IntPtr(ptr);
band.Read(0, 0, prd.Width, prd.Height, buffer, enumDataType.Int16, prd.Width, prd.Height);
}
string dstFname = @"e:\mvg";//@"C:\工作\3.13\read";
WriteBandToFile(data, dstFname + "_normal" + "_read" + ".dat");
prd.Dispose();
drv.Dispose();
}
public void CreateEmptyLdfFile()
{
Assert.That(_newFileName != null);
IGeoDataDriver driver = GeoDataDriver.GetDriverByName("LDF");
Assert.NotNull(driver);
ILdfDriver drv = driver as ILdfDriver;
Assert.NotNull(drv);
int width = 2048;
int height = 3390;
int bandCount = 10;
enumDataType dataType = enumDataType.UInt16;
enumInterleave interleave = enumInterleave.BSQ;
string version = "LDF";
//string proj4 = "+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +a=6378137 +b=6378137";
string mapInfo = "{1,1}:{110,35}:{0.01,0.01}";
bool withHdr = true;
ILdfDataProvider prd = drv.Create(_newFileName, width, height, bandCount, dataType,
"INTERLEAVE=" + interleave.ToString(),
"VERSION=" + version,
//"SPATIALREF=" + proj4,
"MAPINFO=" + mapInfo, "WITHHDR=" + withHdr.ToString()) as ILdfDataProvider;
Assert.NotNull(prd);
Assert.That(prd.Width == width && prd.Height == height);
Assert.That(prd.BandCount == bandCount);
Assert.That(prd.DataType == dataType);
ILdfHeader header = prd.Header;
Assert.NotNull(header);
HdrFile hdr = header.ToHdrFile();
PrintHdrInfo(hdr);
Ldf1Header ldfheader = header as Ldf1Header;
Assert.NotNull(ldfheader);
Assert.That(ldfheader._width == width && ldfheader._height == height);
Assert.That(ldfheader.DataType == dataType);
Assert.NotNull(prd.SpatialRef);
for (int i = 0; i < bandCount; i++)
{
IRasterBand band = prd.GetRasterBand(i + 1);
Assert.NotNull(band);
Assert.That(band.Width == width && band.Height == height);
Assert.That(band.DataType == dataType);
}
prd.Dispose();
drv.Dispose();
Assert.True(File.Exists(_newFileName));
FileInfo fInfo = new FileInfo(_newFileName);
Assert.True(width * height * bandCount * 2 + header.HeaderSize == fInfo.Length);
ISpatialReference spatialRef = prd.SpatialRef;
Assert.NotNull(spatialRef);
Console.Out.WriteLine(spatialRef.ToString());
}
public GPCRasterDataProvider(string fileName, byte[] header1024, IGeoDataDriver driver, params object[] args)
: base(fileName, driver)
{
_fileName = fileName;
ReadGPCRow();
LoadBand();
EQ2SQLUT(_gcpRows, out _cellIndexs, out _rowIndexs);
InitAttributes();
}
public MODAS_GRIBDataProvider(string fileName, IGeoDataDriver driver, string deepValue, string featureName)
: base(fileName, driver)
{
SetDefinition();
//如果指定了深度，则按照栅格数据集读取
if (!string.IsNullOrWhiteSpace(deepValue))
{
TryReadToRasterDataProvider(deepValue, featureName, fileName);
}
}
public D1A5DataProvider(string fileName, byte[] header1024, IGeoDataDriver driver, enumDataProviderAccess access)
: base(fileName, header1024, driver, access)
{
_dataIdentify.Satellite = GetSatellite();
//_dataIdentify.Sensor = GetSensor();
_dataIdentify.IsOrbit = true;
if (_header != null)
{
_dataIdentify.IsAscOrbitDirection = (_header.AscDescendTag == 1);
}
}
private void TryGetInfosFromRasterProvider(string fname)
{
string extension = Path.GetExtension(fname).ToUpper();
foreach (string ext in EXTENSIONS)
{
if (extension == ext)
{
return;
}
}
if (!File.Exists(fname))
{
return;
}
IRasterDataProvider prd = null;
IGeoDataDriver id = null;
try
{
prd = RasterDataDriver.Open(fname) as IRasterDataProvider;
if (prd != null)
{
_projectName = GetProjectionIdentify(prd.SpatialRef.GeographicsCoordSystem.Name);
DataIdentify df = prd.DataIdentify;
if (string.IsNullOrEmpty(Satellite) || Satellite.ToUpper() == "NUL")
{
Satellite = df.Satellite;
}
if (string.IsNullOrEmpty(Sensor) || Sensor.ToUpper() == "NUL")
{
Sensor = df.Sensor;
}
if (OrbitDateTime == DateTime.MinValue)
{
OrbitDateTime = df.OrbitDateTime;
}
if (string.IsNullOrWhiteSpace(Resolution) || Resolution == "NULL")
{
Resolution = TryGetResolution(prd.ResolutionX);
}
}
}
catch
{ }
finally
{
if (prd != null)
{
prd.Dispose();
}
}
}
private IGeoDataDriver GetDriver(string driverName)
{
//IRasterDataProvider prd = null;
//prd = driver.Open(filename, enumDataProviderAccess.ReadOnly) as IRasterDataProvider;
try
{
IGeoDataDriver driver = GeoDataDriver.GetDriverByName(driverName);
return(driver);
}
finally
{
}
}
public void OpenFile()
{
IGeoDataDriver drv = GeoDataDriver.GetDriverByName("MVG");
IRasterDataProvider prd = drv.Open(_fileName, enumDataProviderAccess.ReadOnly) as IRasterDataProvider;
Assert.IsNotNull(prd);
MvgHeader header = (prd as IMvgDataProvider).Header as MvgHeader;
Assert.IsNotNull(header);
Console.WriteLine("header.Width=" + header.Width);
Console.WriteLine("header.Height=" + header.Height);
HdrFile hdr = header.ToHdrFile();
PrintHdrInfo(hdr);
}
public IGeoDataDriver[] TryLoadDrivers()
{
string[] driverNames = new string[] { "NOAA_1BD", "LDF", "GDAL", "MVG", "MEM" };
List <IGeoDataDriver> drivers = new List <IGeoDataDriver>();
foreach (string name in driverNames)
{
IGeoDataDriver driver = GetDriver(name);
if (driver != null)
{
drivers.Add(driver);
}
}
return(drivers.ToArray());
}
/// <summary>
///
/// </summary>
/// <param name="fileName"></param>
/// <param name="header1024"></param>
/// <param name="driver"></param>
/// <param name="access"></param>
/// <param name="args">
/// selectedband=1,2,3
///
/// </param>
public SICRasterDataProvider(string fileName, byte[] header1024, IGeoDataDriver driver, enumDataProviderAccess access, params object[] args)
: base(fileName, driver)
{
_access = (access == enumDataProviderAccess.ReadOnly ? Access.GA_ReadOnly : Access.GA_Update);
TryParseArgs(args);
//通过GDAL获取GDAL识别的通道
using (Dataset _dataset = Gdal.Open(fileName, Access.GA_ReadOnly))
{
GDALHelper.GetDatasetAttributes(_dataset, _attributes);
}
Dictionary <string, string> allGdalSubDatasets = _attributes.GetAttributeDomain("SUBDATASETS");
_allGdalSubDatasets = RecordAllSubDatasetNames(allGdalSubDatasets);
//...根据参数取得当前需要的数据集
//如果是北极
string[] currentDsNames = new string[] { _allGdalSubDatasets[0], _allGdalSubDatasets[1], _allGdalSubDatasets[2] };
//如果是南极
currentDsNames = new string[] { _allGdalSubDatasets[3], _allGdalSubDatasets[4], _allGdalSubDatasets[5] };
//设置_rasterBands
List <IRasterBand> rasterBands = new List <IRasterBand>();
foreach (string dsName in currentDsNames)
{
//这里测试时候看dsName是否是全路径，如果不是需要用全路径
string dsFullPath = dsName;
Dataset ds = Gdal.Open(dsFullPath, _access);
IRasterBand[] gdalDatasets = ReadBandsFromDataset(ds, this);
rasterBands.AddRange(gdalDatasets);
}
_rasterBands = rasterBands;
_bandCount = 3;
_dataType = rasterBands[0].DataType;
_width = rasterBands[0].Width;
_height = rasterBands[0].Height;
_resolutionX = 12500f;
_resolutionY = 12500f;
//设置坐标
_coordType = enumCoordType.PrjCoord;
//如果是北极
_coordEnvelope = new Core.DF.CoordEnvelope(-3850000, 3750000, -5350000, 5850000);
_spatialRef = SpatialReference.FromProj4(NORTH_PROJ4);
//如果是南极
_coordEnvelope = new Core.DF.CoordEnvelope(-3950000, 3950000, -3950000, 4350000);
_spatialRef = SpatialReference.FromProj4(SOUTH_PROJ4);
}
public unsafe void WriteMvgFileNormal()
{
// _fname = @"C:\工作\3.13\SNW_DBLV_FY3A_VIRR_1000M_NULL_P001_200911131356.mvg";
IGeoDataDriver drv = GeoDataDriver.GetDriverByName("MVG");
IRasterDataProvider prd = drv.Open(_fname, enumDataProviderAccess.ReadOnly) as IRasterDataProvider;
Assert.NotNull(prd);
IRasterBand band = prd.GetRasterBand(1);
Assert.NotNull(band);
Int16[] buffer = new Int16[prd.Width * prd.Height];
Console.WriteLine("prd.Width = " + prd.Width);
Console.WriteLine("prd.Height = " + prd.Height);
Console.WriteLine("band.Width = " + band.Width);
Console.WriteLine("band.Height= " + band.Height);
fixed(Int16 *ptr = buffer)
{
IntPtr bufferPtr = new IntPtr(ptr);
band.Read(0, 0, prd.Width, prd.Height, bufferPtr, enumDataType.Int16, prd.Width, prd.Height);
}
string dstFname = @"e:\mvg_writer.bin";
string mapInfo = "{1,1}:{110,35}:{0.01,0.01}";
Int16 valueCount = 2;
bool withHdr = true;
string values = "{ 0, 1 }";
string valueNames = "{120,99}";
IMvgDataProvider prdWriter = (drv as IRasterDataDriver).Create(dstFname, prd.Width, prd.Height, 1, enumDataType.Int16, "VALUECOUNT=" + valueCount, "VALUES=" + values,
"VALUENAMES=" + valueNames, "MAPINFO=" + mapInfo, "WITHHDR=" + withHdr.ToString()) as IMvgDataProvider;
IRasterBand bandWriter = prdWriter.GetRasterBand(1);
fixed(Int16 *ptr = buffer)
{
IntPtr bufferPtr = new IntPtr(ptr);
bandWriter.Write(0, 0, prd.Width, prd.Height, bufferPtr, enumDataType.Int16, prd.Width, prd.Height);
}
prd.Dispose();
drv.Dispose();
prdWriter.Dispose();
}
/// <summary>
///
/// </summary>
/// <param name="fileName">传入数据文件名</param>
/// <param name="header1024"></param>
/// <param name="driver"></param>
/// <param name="args">扩展参数</param>
/// 可扩展的参数信息，每对参数都采用key=value的形式
/// 1、子数据集用它在数据文件里的序号代替
/// 2、投影方式采用proj4字符串的形式
/// 3、数据投影信息，如数据地理范围、空间分辨率等
public Hdf4RasterDataProvider(string fileName, byte[] header1024, IGeoDataDriver driver, params object[] args)
: base(fileName, header1024, driver, enumDataProviderAccess.ReadOnly)
{
_args = args;
TryParseArgs();
TryCreateBands(fileName, header1024, _datasets);
_bandCount = _rasterBands.Count;
TryGetDatTypeOfProvider();
TryGetSizeOfProvider();
TryCreateSpatialRef();
TryCreateCoordTransform();
TrySetEnvelopeAndResolutions();
}
private void btPGS_Click(object sender, EventArgs e)
{
string fileanme;
OpenFileDialog dilaog = new OpenFileDialog();
if (dilaog.ShowDialog() == DialogResult.OK)
{
fileanme = dilaog.FileName;
}
else
{
return;
}
IGeoDataDriver geoDriver = GeoDataDriver.GetDriverByName("GDAL");
if (geoDriver == null)
{
return;
}
}
public void MvgToLdfFile()
{
_fname = @"E:\气象局项目\MAS二期\mvg文件\FOG_DBLV_FY3A_VIRR_1000M_DXX_P001_200911131354.mvg";
IGeoDataDriver drv = GeoDataDriver.GetDriverByName("MVG");
IRasterDataProvider prd = drv.Open(_fname, enumDataProviderAccess.ReadOnly) as IRasterDataProvider;
Assert.NotNull(prd);
IMvgDataProvider mvgPrd = prd as IMvgDataProvider;
MvgHeader mvgHeader = mvgPrd.Header;
Assert.NotNull(mvgHeader);
Console.WriteLine("mvgHeader.HeaderSize = " + mvgHeader.HeaderSize);
Console.WriteLine("mvgHeader.Width = " + mvgHeader.Width);
Console.WriteLine("mvgHeader.Height = " + mvgHeader.Height);
mvgPrd.ToLdfFile();
mvgPrd.Dispose();
prd.Dispose();
drv.Dispose();
}
public unsafe void ReadMvgFile_smaller()
{
// _fname = @"C:\工作\3.13\SNW_DBLV_FY3A_VIRR_1000M_NULL_P001_200911131356.mvg";
IGeoDataDriver drv = GeoDataDriver.GetDriverByName("MVG");
IRasterDataProvider prd = drv.Open(_fname, enumDataProviderAccess.ReadOnly) as IRasterDataProvider;
Assert.NotNull(prd);
Int16[] data = new Int16[prd.Width / 2 * prd.Height];
Console.WriteLine("prd.Width = " + prd.Width);
Console.WriteLine("prd.Height = " + prd.Height);
int[] bandMap = { 1 };
fixed(Int16 *ptr = data)
{
IntPtr buffer = new IntPtr(ptr);
prd.Read(0, 0, prd.Width, prd.Height, buffer, enumDataType.Int16, prd.Width / 2, prd.Height, 1, bandMap, enumInterleave.BSQ);
}
string dstFname = @"e:\mvg";//@"C:\工作\3.13\read";
WriteBandToFile(data, dstFname + "_smaller" + "_prdRead" + ".dat");
}
public FY3HDFL2ProductProvider(string fileName, byte[] header1024, IGeoDataDriver driver, params object[] args)
: base(fileName, driver)
{
L2ProductDefind[] l2Pros = L2ProductDefindParser.GetL2ProductDefs(Path.GetFileName(_fileName));
if (l2Pros == null)
{
return;
}
_fileName = fileName;
_args = args;
L2ProductDefind verifyL2Pro = l2Pros.Length == 1 ? l2Pros[0] : VerifyL2ProDef(l2Pros);
if (verifyL2Pro == null)
{
return;
}
using (Dataset dataset = Gdal.Open(fileName, Access.GA_ReadOnly))
{
GDALHelper.GetDatasetAttributes(dataset, _attributes);
}
Dictionary <string, string> allGdalSubDatasets = this.Attributes.GetAttributeDomain("SUBDATASETS");
_allGdalSubDatasets = RecordAllSubDatasetNames(allGdalSubDatasets);
_coordEnvelope = TrySetGeoInfo(verifyL2Pro);
_selectedsets = TryGetSelectedSets(verifyL2Pro);
TryCreateBandProvider();
_bandCount = _rasterBands.Count;
_dataType = _rasterBands[0].DataType;
_width = _rasterBands[0].Width;
_height = _rasterBands[0].Height;
_coordType = _spatialRef.ProjectionCoordSystem != null ? enumCoordType.PrjCoord : enumCoordType.GeoCoord;
_resolutionX = (float)(_coordEnvelope.Width / (_width));
_resolutionY = (float)(_coordEnvelope.Height / (_height));
if (_dataIdentify != null && _dataIdentify.OrbitDateTime == DateTime.MinValue)
{
_dataIdentify.OrbitDateTime = IceConDataProvider.TryGetFileDate(Path.GetFileName(fileName));
}
}
public FYSnowPrdDataProvider(string fileName, byte[] header1024, IGeoDataDriver driver, params object[] args)
: base(fileName, driver)
{
_args = args;
TryParseArgs();
using (Dataset dataset = Gdal.Open(fileName, Access.GA_ReadOnly))
{
GDALHelper.GetDatasetAttributes(dataset, _attributes);
}
TryCreateBandProvider();
_bandCount = _rasterBands.Count;
TryGetDatTypeOfProvider();
TryGetSizeOfProvider();
//TryCreateSpatialRef();
_coordType = enumCoordType.PrjCoord;
_resolutionX = (float)(_coordEnvelope.Width / (_width));
_resolutionY = (float)(_coordEnvelope.Height / (_height));
if (_dataIdentify != null)
{
_dataIdentify.Sensor = "MWRI";
_dataIdentify.OrbitDateTime = IceConDataProvider.TryGetFileDate(Path.GetFileName(fileName));
}
}
public GDALRasterDataProvider(string fileName, byte[] header1024, IGeoDataDriver driver, enumDataProviderAccess access)
: base(fileName, driver)
{
_driver = driver;
CallGDALBefore();
Access gdalAccess = access == enumDataProviderAccess.ReadOnly ? Access.GA_ReadOnly : Access.GA_Update;
_dataset = Gdal.Open(fileName, gdalAccess);
GDALHelper.GetDatasetAttributes(_dataset, _attributes);
if (header1024 == null)
{
header1024 = GetHeader1024Bytes(fileName);
}
TryGetBandProviderAndGetDefaultBands(gdalAccess, header1024, _attributes.GetAttributeDomain(GDAL_SUBDATASETS_NAME));
_width = 0; //GDAL: _dataset.RasterXSize 默认为512
_height = 0; //GDAL: _dataset.RasterYSize 默认为512
_filelist = _dataset.GetFileList();
_fileName = _fileName;
//读取波段列表
_bandCount = _dataset.RasterCount;
for (int i = 1; i <= _bandCount; i++)
{
_rasterBands.Add(new GDALRasterBand(this, _dataset.GetRasterBand(i), new GDALDataset(_dataset)));
}
_bandCount = _rasterBands.Count;
for (int i = 1; i <= _bandCount; i++)
{
_rasterBands[i - 1].BandNo = i;
}
TryGetDatTypeOfProvider();
TryGetSizeOfProvider();
TryCreateSpatialRef();
TryCreateCoordTransform();
TrySetEnvelopeAndResolutions();
//
//TryGetDataIdentity();
}
public CloudsatDataProvider(string fileName, byte[] header1024, IGeoDataDriver driver, params object[] args)
: base(fileName, driver)
{
Stopwatch sw = new Stopwatch();
sw.Start();
_filename = fileName;
TryParseFileName(fileName, out _fileNameDateTime, out _fileNameProductName);
_fileMateData = _attributes.CreateAttributeDomain("FileAttributes");
_fileMateData.Add("DateTime", _fileNameDateTime.ToString("yyyyMMddHHmmss"));
_fileMateData.Add("ProductName", _fileNameProductName);
BuilderRastersAndTables();
_dataType = enumDataType.Int16;
_bandCount = _rasterBands.Count;
_width = _rasterBands[0].Width;
_height = _rasterBands[0].Height;
_coordEnvelope = new CoordEnvelope(new CoordPoint(0, 0), _width, _height);
_coordTransform = CoordTransoformFactory.GetCoordTransform(_spatialRef, null, _width, _height);
TrySetEnvelopeAndResolutions();
sw.Stop();
long em = sw.ElapsedMilliseconds;
Console.WriteLine(em + "毫秒");
}
