public void ProcessVectorToRaster(Feature[] features, string shpPrimaryField, enumDataType dataType, double resolution, CoordEnvelope envelope, string rasterFileName)
{
//创建目标文件
if (string.IsNullOrEmpty(rasterFileName))
{
return;
}
if (envelope == null)
{
return;
}
int height = (int)Math.Ceiling((envelope.MaxY - envelope.MinY) / resolution);
int width = (int)Math.Ceiling((envelope.MaxX - envelope.MinX) / resolution);
IRasterDataProvider dataPrd = null;
try
{
string extension = Path.GetExtension(rasterFileName).ToUpper();
switch (extension)
{
case ".LDF":
{
IRasterDataDriver driver = GeoDataDriver.GetDriverByName("LDF") as IRasterDataDriver;
string mapInfo = envelope.ToMapInfoString(new Size(width, height));
dataPrd = driver.Create(rasterFileName, width, height, 1, dataType, mapInfo);
break;
}
case ".DAT":
{
IRasterDataDriver driver = GeoDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
string mapInfo = envelope.ToMapInfoString(new Size(width, height));
dataPrd = driver.Create(rasterFileName, width, height, 1, dataType, mapInfo);
break;
}
default:
return;
}
if (features == null || features.Length < 1)
{
return;
}
ProcessVectorToRaster(features, shpPrimaryField, dataPrd);
}
finally
{
if (dataPrd != null)
{
dataPrd.Dispose();
}
}
}
protected IRasterDataProvider CreateOutM_BandRaster(string outFileName, RasterMaper[] inrasterMaper, int bandcount)
{
IRasterDataDriver raster = RasterDataDriver.GetDriverByName("LDF") as IRasterDataDriver;
CoordEnvelope outEnv = null;
foreach (RasterMaper inRaster in inrasterMaper)
{
if (outEnv == null)
{
outEnv = inRaster.Raster.CoordEnvelope;
}
else
{
outEnv.Union(inRaster.Raster.CoordEnvelope);
}
}
float resX = inrasterMaper[0].Raster.ResolutionX;
float resY = inrasterMaper[0].Raster.ResolutionY;
int width = (int)(Math.Round(outEnv.Width / resX));
int height = (int)(Math.Round(outEnv.Height / resY));
string mapInfo = outEnv.ToMapInfoString(new Size(width, height));
string[] optionString = new string[] {
"INTERLEAVE=BSQ",
"VERSION=LDF",
"WITHHDR=TRUE",
"SPATIALREF=" + inrasterMaper[0].Raster.SpatialRef == null?"":("SPATIALREF=" + inrasterMaper[0].Raster.SpatialRef.ToProj4String()),
"MAPINFO={" + 1 + "," + 1 + "}:{" + outEnv.MinX + "," + outEnv.MaxY + "}:{" + resX + "," + resY + "}"
};
RasterDataProvider outRaster = raster.Create(outFileName, width, height, bandcount, enumDataType.UInt16, optionString) as RasterDataProvider;
return(outRaster);
}
protected IRasterDataProvider CreateOutRaster(string outFileName, RasterMaper[] inrasterMaper)
{
IRasterDataDriver raster = RasterDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
CoordEnvelope outEnv = null;
foreach (RasterMaper inRaster in inrasterMaper)
{
if (outEnv == null)
{
outEnv = inRaster.Raster.CoordEnvelope;
}
else
{
outEnv.Union(inRaster.Raster.CoordEnvelope);
}
}
float resX = inrasterMaper[0].Raster.ResolutionX;
float resY = inrasterMaper[0].Raster.ResolutionY;
int width = (int)(Math.Round(outEnv.Width / resX));
int height = (int)(Math.Round(outEnv.Height / resY));
string mapInfo = outEnv.ToMapInfoString(new Size(width, height));
RasterDataProvider outRaster = raster.Create(outFileName, width, height, 1, enumDataType.Int16, mapInfo) as RasterDataProvider;
return(outRaster);
}
private IRasterDataProvider CreateOutRaster(string outFileName, RasterMaper[] inrasterMaper, int extHeaderLength)
{
IRasterDataDriver raster = RasterDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
CoordEnvelope outEnv = null;
float resX = inrasterMaper[0].Raster.ResolutionX;
float resY = inrasterMaper[0].Raster.ResolutionY;
foreach (RasterMaper inRaster in inrasterMaper)
{
if (outEnv == null)
{
outEnv = inRaster.Raster.CoordEnvelope;
}
else
{
outEnv = outEnv.Union(inRaster.Raster.CoordEnvelope);
}
if (resX < inRaster.Raster.ResolutionX)
{
resX = inRaster.Raster.ResolutionX;
}
if (resY < inRaster.Raster.ResolutionY)
{
resY = inRaster.Raster.ResolutionY;
}
}
int width = (int)(Math.Round(outEnv.Width / resX));
int height = (int)(Math.Round(outEnv.Height / resY));
string mapInfo = outEnv.ToMapInfoString(new Size(width, height));
RasterDataProvider outRaster = raster.Create(outFileName, width, height, 1, enumDataType.UInt16, mapInfo, "EXTHEADERSIZE=" + extHeaderLength) as RasterDataProvider;
return(outRaster);
}
public void ProcessArrayToRaster(string dstFileName, int[,] arrayValue)
{
CoordEnvelope envelope = new CoordEnvelope(-180, 180, -90, 90);
IRasterDataProvider dataPrd = null;
enumDataType dataType = enumDataType.Int16;
try
{
if (Path.GetExtension(dstFileName).ToUpper() == ".DAT")
{
IRasterDataDriver driver = GeoDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
string mapInfo = envelope.ToMapInfoString(new Size(_datwidth, _datheight));
dataPrd = driver.Create(dstFileName, _datwidth, _datheight, 1, dataType, mapInfo);
}
else
{
return;
}
if (arrayValue == null)
{
return;
}
ProcessArrayToRaster(arrayValue, dataPrd);
}
finally
{
if (dataPrd != null)
{
dataPrd.Dispose();
}
}
}
private IRasterDataProvider CreateRaster(string outFileName, IRasterDataProvider inRaster)
{
IRasterDataDriver raster = RasterDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
CoordEnvelope outEnv = inRaster.CoordEnvelope.Clone();
string mapInfo = outEnv.ToMapInfoString(new Size(inRaster.Width, inRaster.Height));
RasterDataProvider outRaster = raster.Create(outFileName, inRaster.Width, inRaster.Height, 1, enumDataType.Int16, mapInfo) as RasterDataProvider;
return(outRaster);
}
protected IRasterDataProvider CreateOutRaster(string outFileName, RasterMaper[] inrasterMaper, float resolution)
{
string dir = Path.GetDirectoryName(outFileName);
if (!string.IsNullOrEmpty(dir))
{
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
}
IRasterDataDriver raster = RasterDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
CoordEnvelope outEnv = null;
foreach (RasterMaper inRaster in inrasterMaper)
{
if (outEnv == null)
{
outEnv = inRaster.Raster.CoordEnvelope;
}
else
{
outEnv = outEnv.Union(inRaster.Raster.CoordEnvelope);
}
}
float resX, resY;
if (resolution != 0f)
{
resX = resolution;
resY = resolution;
}
else
{
resX = inrasterMaper[0].Raster.ResolutionX;
resY = inrasterMaper[0].Raster.ResolutionY;
for (int i = 1; i < inrasterMaper.Length; i++)
{
if (resX > inrasterMaper[i].Raster.ResolutionX)
{
resX = inrasterMaper[i].Raster.ResolutionX;
}
if (resY > inrasterMaper[i].Raster.ResolutionY)
{
resY = inrasterMaper[i].Raster.ResolutionY;
}
}
}
int width = (int)(Math.Round(outEnv.Width / resX));
int height = (int)(Math.Round(outEnv.Height / resY));
string mapInfo = outEnv.ToMapInfoString(new Size(width, height));
RasterDataProvider outRaster = raster.Create(outFileName, width, height, 1, enumDataType.Int16, mapInfo) as RasterDataProvider;
return(outRaster);
}
private IRasterDataProvider CreateOutRaster(string outFileName, int bandCount)
{
IRasterDataDriver raster = RasterDataDriver.GetDriverByName("LDF") as IRasterDataDriver;
CoordEnvelope outEnv = _dataProvider.CoordEnvelope;
float resX = _dataProvider.ResolutionX;
float resY = _dataProvider.ResolutionY;
int width = (int)(Math.Round(outEnv.Width / resX));
int height = (int)(Math.Round(outEnv.Height / resY));
string mapInfo = outEnv.ToMapInfoString(new Size(width, height));
RasterDataProvider outRaster = raster.Create(outFileName, width, height, bandCount, _dataProvider.DataType, mapInfo) as RasterDataProvider;
return(outRaster);
}
private IRasterDataProvider CreateOutRaster(RasterMaper rm)
{
RasterIdentify ri = new RasterIdentify(rm.Raster.fileName);
ri.ProductIdentify = _subProductDef.ProductDef.Identify;
ri.SubProductIdentify = _subProductDef.Identify;
string outFileName = ri.ToWksFullFileName(".dat");
IRasterDataDriver raster = RasterDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
CoordEnvelope outEnv = rm.Raster.CoordEnvelope;
string mapInfo = outEnv.ToMapInfoString(new Size(rm.Raster.Width, rm.Raster.Height));
RasterDataProvider outRaster = raster.Create(outFileName, rm.Raster.Width, rm.Raster.Height, 1, enumDataType.Int16, mapInfo) as RasterDataProvider;
return(outRaster);
}
private IRasterDataProvider CreateOutRaster(RasterIdentify rasterIdentify, IRasterDataProvider rasterProvider, string subProductIdentify)
{
IRasterDataDriver raster = RasterDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
CoordEnvelope outEnv = rasterProvider.CoordEnvelope;
float resX = rasterProvider.ResolutionX;
float resY = rasterProvider.ResolutionY;
int width = (int)(Math.Round(outEnv.Width / resX));
int height = (int)(Math.Round(outEnv.Height / resY));
string mapInfo = outEnv.ToMapInfoString(new Size(width, height));
rasterIdentify.SubProductIdentify = subProductIdentify;
string outFileName = rasterIdentify.ToWksFullFileName(".dat");
RasterDataProvider outRaster = raster.Create(outFileName, width, height, 1, enumDataType.Float, mapInfo) as RasterDataProvider;
return(outRaster);
}
private IRasterDataProvider CreatOutRaster(string dstFileName, IRasterDataProvider srcDataProvider)
{
if (srcDataProvider == null || srcDataProvider.BandCount < 1)
{
return(null);
}
int bandCount = srcDataProvider.BandCount;
IRasterDataDriver driver = RasterDataDriver.GetDriverByName("LDF") as IRasterDataDriver;
CoordEnvelope outEnv = new CoordEnvelope(-179.75, 180, -89.75, 90);
double resX = outEnv.Width / _width;
double resY = outEnv.Height / _height;
string mapInfo = outEnv.ToMapInfoString(new Size(_width, _height));
RasterDataProvider outRaster = driver.Create(dstFileName, _width, _height, srcDataProvider.BandCount, srcDataProvider.DataType, mapInfo) as RasterDataProvider;
return(outRaster);
}
private IRasterDataProvider GetTempOutRaster(IRasterDataProvider currentRasterPrd)
{
string outFileName = AppDomain.CurrentDomain.BaseDirectory + "TemporalFileDir//" + Path.GetFileNameWithoutExtension(currentRasterPrd.fileName) + "_temp.ldf";
if (!Directory.Exists(Path.GetDirectoryName(outFileName)))
{
Directory.CreateDirectory(Path.GetDirectoryName(outFileName));
}
IRasterDataDriver raster = RasterDataDriver.GetDriverByName("LDF") as IRasterDataDriver;
CoordEnvelope outEnv = currentRasterPrd.CoordEnvelope.Clone();
int width = currentRasterPrd.Width;
int height = currentRasterPrd.Height;
string mapInfo = outEnv.ToMapInfoString(new Size(width, height));
RasterDataProvider outRaster = raster.Create(outFileName, width, height, 1, currentRasterPrd.DataType, mapInfo) as RasterDataProvider;
return(outRaster);
}
private IRasterDataProvider CreateOutRaster(string outFileName, RasterMaper[] rasterMaper)
{
IRasterDataDriver raster = RasterDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
float lonMin = float.Parse(_argumentProvider.GetArg("LonMin").ToString());
float lonMax = float.Parse(_argumentProvider.GetArg("LonMax").ToString());
float latMin = float.Parse(_argumentProvider.GetArg("LatMin").ToString());
float latMax = float.Parse(_argumentProvider.GetArg("LatMax").ToString());
CoordEnvelope outEnv = new CoordEnvelope(lonMin, lonMax, latMin, latMax);
float resX = rasterMaper[0].Raster.ResolutionX;
float resY = rasterMaper[0].Raster.ResolutionY;
int width = (int)(Math.Round(outEnv.Width / resX));
int height = (int)(Math.Round(outEnv.Height / resY));
string mapInfo = outEnv.ToMapInfoString(new Size(width, height));
RasterDataProvider outRaster = raster.Create(outFileName, width, height, 1, enumDataType.Int16, mapInfo) as RasterDataProvider;
return(outRaster);
}
public void ProcessVectorToRaster(string shpFileName, enumDataType dataType, double resolution, string rasterFileName)
{
if (string.IsNullOrEmpty(rasterFileName))
{
return;
}
using (IVectorFeatureDataReader dr = VectorDataReaderFactory.GetUniversalDataReader(shpFileName)
as IVectorFeatureDataReader)
{
if (dr == null)
{
return;
}
CoordEnvelope envelope = new CoordEnvelope(-180, 180, -90, 90);
int height = (int)Math.Ceiling((envelope.MaxY - envelope.MinY) / resolution);
int width = (int)Math.Ceiling((envelope.MaxX - envelope.MinX) / resolution);
IRasterDataProvider dataPrd = null;
try
{
if (Path.GetExtension(rasterFileName).ToUpper() == ".DAT")
{
IRasterDataDriver driver = GeoDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
string mapInfo = envelope.ToMapInfoString(new Size(width, height));
dataPrd = driver.Create(rasterFileName, width, height, 1, dataType, mapInfo);
}
else
{
return;
}
Feature[] features = dr.FetchFeatures();
if (features == null || features.Length < 1)
{
return;
}
ProcessVectorToRaster(features, dataPrd);
}
finally
{
if (dataPrd != null)
{
dataPrd.Dispose();
}
}
}
}
private object[] GetOptions(IRasterDataProvider dataProvider, CutArgument args, BlockItem item, out string extName, CoordEnvelope evp)
{
extName = null;
List <object> options = new List <object>();
if (args.Driver == "LDF")
{
extName = ".ldf";
if (dataProvider.SpatialRef != null)
{
string spRef = "SPATIALREF=" + dataProvider.SpatialRef.ToProj4String();
options.Add(spRef);
}
string mapInf = evp.ToMapInfoString(new Size(item.Width, item.Height));
options.Add(mapInf);
}
return(options.Count > 0 ? options.ToArray() : null);
}
private unsafe void ReadAndWriteOneBandRaw(IRasterDataProvider dataPrd, string outfName)
{
int bandNO = 4;
IRasterBand bands = dataPrd.GetRasterBand(bandNO);
if (bands != null)
{
int height = dataPrd.Height;
int width = dataPrd.Width;
CoordEnvelope envelope = dataPrd.CoordEnvelope;
IRasterDataProvider outdataPrd = null;
try
{
IRasterDataDriver driver = GeoDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
string mapInfo = envelope.ToMapInfoString(new Size(width, height));
outdataPrd = driver.Create(outfName, width, height, 1, dataPrd.DataType, mapInfo);
float[] buffer = new float[dataPrd.Width * dataPrd.Height];
fixed(float *ptr = buffer)
{
IntPtr bufferPtr = new IntPtr(ptr);
bands.Read(0, 0, dataPrd.Width, dataPrd.Height, bufferPtr, dataPrd.DataType, dataPrd.Width, dataPrd.Height);
outdataPrd.GetRasterBand(1).Write(0, 0, width, height, bufferPtr, dataPrd.DataType, width, height);
}
string hdrFile = Path.ChangeExtension(outfName, ".hdr");
SaveHdrFile(hdrFile, width, height, dataPrd.DataType);
}
catch (System.Exception ex)
{
}
finally
{
if (dataPrd != null)
{
dataPrd.Dispose();
}
if (outdataPrd != null)
{
outdataPrd.Dispose();
}
}
}
}
private object[] GetOptions(CoordEnvelope outputEnvelope, int width, int height)
{
List<string> ops = new List<string>();
if (_coordEnvelope != null)
ops.Add(outputEnvelope.ToMapInfoString(new Size(width, height)));
if (_spatialRef != null)
{
try
{
string spref = _spatialRef.ToProj4String();
ops.Add("SPATIALREF=" + spref);
}
catch (Exception ex)
{
Console.Write(ex.Message);
}
}
return ops.Count > 0 ? ops.ToArray() : null;
}
private IRasterDataProvider CreatOutputRaster(string outFileName, enumDataType dataType, int width, int height)
{
IRasterDataDriver raster = RasterDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
CoordEnvelope outEnv = null;
switch (width)
{
case 400: outEnv = new CoordEnvelope(119.6875, 120.6875, 30.7375, 31.7375);
break;
case 500: outEnv = new CoordEnvelope(119.776253, 121.026253, 30.67375, 31.92375);
break;
case 600: outEnv = new CoordEnvelope(119.651253, 121.151253, 30.54875, 32.04875);
break;
}
string mapInfo = outEnv.ToMapInfoString(new Size(width, height));
RasterDataProvider outRaster = raster.Create(outFileName, width, height, 1, dataType, mapInfo) as RasterDataProvider;
return(outRaster);
}
//public string MaskChina(string file)
//{
// List<RasterMaper> rms = null;
// IRasterDataProvider outRaster = null;
// RasterProcessModel<float, float> rfr = null;
// string outfile = "";
// //中国区掩膜文件
// string chinarasterFile = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "SystemData\\ProductArgs\\MWS\\SnowArgFile\\china_raster.dat");
// if (string.IsNullOrEmpty(chinarasterFile) || !File.Exists(chinarasterFile))
// {
// return null;
// }
// try
// {
// rms = new List<RasterMaper>();
// IRasterDataProvider inRaster = GeoDataDriver.Open(file) as IRasterDataProvider;
// RasterMaper fileIn = new RasterMaper(inRaster, new int[] { 1 });
// rms.Add(fileIn);
// IRasterDataProvider inRaster3 = GeoDataDriver.Open(chinarasterFile) as IRasterDataProvider;
// RasterMaper fileIn3 = new RasterMaper(inRaster3, new int[] { 1 });
// outfile = Path.GetDirectoryName(file)+ Path.GetFileNameWithoutExtension(file) + "_maskChina." + Path.GetExtension(file);
// rms.Add(fileIn3);
// outRaster = CreateOutRaster(outfile, enumDataType.Float, rms.ToArray(), inRaster.ResolutionX);
// RasterMaper fileOut = new RasterMaper(outRaster, new int[] { 1 });
// RasterMaper[] fileIns = rms.ToArray();
// RasterMaper[] fileOuts = new RasterMaper[] { fileOut };
// rfr = new RasterProcessModel<float, float>();
// rfr.SetRaster(fileIns, fileOuts);
// rfr.RegisterCalcModel(new RasterCalcHandler<float, float>((rvInVistor, rvOutVistor, aoi) =>
// {
// if (rvInVistor[0].RasterBandsData[0] != null && rvInVistor[1].RasterBandsData[0] != null)
// {
// int dataLength = rvOutVistor[0].SizeX * rvOutVistor[0].SizeY;
// for (int i = 0; i < dataLength; i++)
// {
// //if (Convert.ToSingle(rvInVistor[1].RasterBandsData[0][i]) == 9.38169E-41) //陆地
// rvOutVistor[0].RasterBandsData[0][i] = rvInVistor[0].RasterBandsData[0][i];
// //else
// // rvOutVistor[0].RasterBandsData[0][i] = 2000f;
// }
// }
// }));
// rfr.Excute();
// }
// finally
// {
// if (outRaster != null)
// outRaster.Dispose();
// if (rms != null && rms.Count > 0)
// {
// foreach (RasterMaper rm in rms)
// {
// if (rm.Raster != null)
// rm.Raster.Dispose();
// }
// }
// }
// return outfile;
//}
//创建输出删格文件
protected IRasterDataProvider CreateOutRaster(string outFileName, enumDataType dataType, RasterMaper[] inrasterMaper, float resolution)
{
IRasterDataDriver raster = RasterDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
CoordEnvelope outEnv = null;
foreach (RasterMaper inRaster in inrasterMaper)
{
if (outEnv == null)
{
outEnv = inRaster.Raster.CoordEnvelope;
}
else
{
outEnv = outEnv.Intersect(inRaster.Raster.CoordEnvelope);
}
}
float resX, resY;
if (resolution != 0f)
{
resX = resolution;
resY = resolution;
}
else
{
resX = inrasterMaper[0].Raster.ResolutionX;
resY = inrasterMaper[0].Raster.ResolutionY;
}
int width = (int)(Math.Round(outEnv.Width / resX));
int height = (int)(Math.Round(outEnv.Height / resY));
string mapInfo = outEnv.ToMapInfoString(new Size(width, height));
if (File.Exists(outFileName))
{
File.Delete(outFileName);
}
RasterDataProvider outRaster = raster.Create(outFileName, width, height, 1, dataType, mapInfo) as RasterDataProvider;
return(outRaster);
}
public void CreateRasterDataPrd(string rasterFileName, int[,] dataValue)
{
CoordEnvelope envelope = new CoordEnvelope(-180, 180, -90, 90);
IRasterDataProvider dataPrd = null;
try
{
IRasterDataDriver driver = GeoDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
int height = (int)Math.Ceiling((envelope.MaxY - envelope.MinY) / _resolution);
int width = (int)Math.Ceiling((envelope.MaxX - envelope.MinX) / _resolution);
string mapInfo = envelope.ToMapInfoString(new Size(width, height));
dataPrd = driver.Create(rasterFileName, width, height, 1, enumDataType.Int16, mapInfo);
WriteValueToRaster(dataValue, dataPrd);
}
finally
{
if (dataPrd != null)
{
dataPrd.Dispose();
}
}
}
private object[] GetOptions()
{
List <string> ops = new List <string>();
if (_coordEnvelope != null)
{
ops.Add(_coordEnvelope.ToMapInfoString(new Size(vData.Width, vData.Height)));
}
if (_spatialRef != null)
{
try
{
string spref = _spatialRef.ToProj4String();
ops.Add("SPATIALREF=" + spref);
}
catch (Exception ex)
{
Console.Write(ex.Message);
}
}
return(ops.Count > 0 ? ops.ToArray() : null);
}
private IRasterDataProvider CreateOutputFile(RasterMaper[] inputRasterMapers, string outFileName, float resolution)
{
IRasterDataDriver raster = RasterDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
CoordEnvelope outEnv = null;
foreach (RasterMaper maper in inputRasterMapers)
{
if (outEnv == null)
{
outEnv = maper.Raster.CoordEnvelope;
}
else
{
outEnv = outEnv.Union(maper.Raster.CoordEnvelope);
}
}
int width = (int)(Math.Round(outEnv.Width / resolution));
int height = (int)(Math.Round(outEnv.Height / resolution));
string mapInfo = outEnv.ToMapInfoString(new Size(width, height));
RasterDataProvider outRaster = raster.Create(outFileName, width, height, 1, inputRasterMapers[0].Raster.DataType, mapInfo) as RasterDataProvider;
return(outRaster);
}
private IRasterDataProvider CreateOutRaster(string fileName, RasterMaper[] rasterMaper)
{
string extension = Path.GetExtension(fileName).ToUpper();
IRasterDataDriver raster = null;
if (extension == ".LDF")
{
raster = RasterDataDriver.GetDriverByName("LDF") as IRasterDataDriver;
}
else if (extension == ".DAT")
{
raster = RasterDataDriver.GetDriverByName("MEM") as IRasterDataDriver;
}
int width = (int)(txtWidth.Value);
int height = (int)(txtHeight.Value);
double minY = txtMaxLat.Value - _resolution * height;
double maxX = txtMinLon.Value + _resolution * width;
CoordEnvelope outEnv = new CoordEnvelope(txtMinLon.Value, maxX, minY, txtMaxLat.Value);
string mapInfo = outEnv.ToMapInfoString(new Size(width, height));
RasterDataProvider outRaster = raster.Create(fileName, width, height, 1, rasterMaper[0].Raster.DataType, mapInfo) as RasterDataProvider;
return(outRaster);
}
private object[] GetOptions()
{
List <string> ops = new List <string>();
if (_coordEnvelope != null)
{
ops.Add(_coordEnvelope.ToMapInfoString(_size));
}
if (_spatialRef != null)
{
try
{
string spref = _spatialRef.ToProj4String();
ops.Add("SPATIALREF=" + spref);
}
catch (Exception ex)
{
Console.Write(ex.Message);
}
}
ops.Add("ExtHeaderSize=" + _extHeaderSize.ToString());
return(ops.Count > 0 ? ops.ToArray() : null);
}
private string GetMapInfoString(CoordEnvelope coordEnvelope, int width, int height)
{
return(coordEnvelope != null?coordEnvelope.ToMapInfoString(new Size(width, height)) : string.Empty);
}