private static void TKDataF(OSGeo.OGR.Layer slopePolyLayer, int index)
{
double[] geoTansform = new double[6];
dsmDataset.GetGeoTransform(geoTansform);
int xTimes = (dsm_Xsize - 300) / 500;
int xRemainder = (dsm_Xsize - 300) % 500;
int yTimes = (dsm_Ysize - 300) / 500;
int yRemainder = (dsm_Ysize - 300) % 500;
int ax = xTimes, by = yTimes;
if (xRemainder > 10)
{
ax++;
}
int x = index % ax;
int y = index / ax;
int xsize = 800, ysize = 800;
if (x * 500 + 800 > dsm_Xsize)
{
xsize = dsm_Xsize - x * 500;
}
if (y * 500 + 800 > dsm_Ysize)
{
ysize = dsm_Ysize - y * 500;
}
double[] buffer = new double[xsize * ysize];
double[] slopebuffer = new double[xsize * ysize];
dsmDataset.GetRasterBand(1).ReadRaster(x * 500, y * 500, xsize, ysize, buffer, xsize, ysize, 0, 0);
slopeDataSet.GetRasterBand(1).ReadRaster(x * 500, y * 500, xsize, ysize, slopebuffer, xsize, ysize, 0, 0);
BasicUnit bUnit = new BasicUnit(x * 500, y * 500, xsize, ysize, ImprotLevel, buffer, slopebuffer, geoTansform, imgNodata);
List <OSGeo.OGR.Geometry> geolist = bUnit.Identify2();
lock (slopePolyLayer)
{
foreach (OSGeo.OGR.Geometry item in geolist)
{
if (item.GetGeometryType() == OSGeo.OGR.wkbGeometryType.wkbPolygon25D ||
item.GetGeometryType() == OSGeo.OGR.wkbGeometryType.wkbPolygon)
{
OSGeo.OGR.Feature oFea = new OSGeo.OGR.Feature(slopePolyLayer.GetLayerDefn());
oFea.SetGeometry(item);
slopePolyLayer.CreateFeature(oFea);
}
}
}
}
private void labDSMin_TextChanged(object sender, EventArgs e)
{
if (labDSMin.Text != "")
{
OSGeo.GDAL.Gdal.AllRegister();
OSGeo.GDAL.Dataset ds = OSGeo.GDAL.Gdal.Open(labDSMin.Text, OSGeo.GDAL.Access.GA_ReadOnly);
double[] a = new double[6];
ds.GetGeoTransform(a);
double xx = a[0];
double yy = a[3];
double size = a[1];
double xSixe = ds.RasterXSize;
double ySixe = ds.RasterYSize;
labInFileInfo.Text += labDSMin.Text + "：\r" + "\r\n"
+ "左上角X坐标：" + xx.ToString() + "\r"
+ "左上角Y坐标：" + yy.ToString() + "\r"
+ "像元尺寸：" + size.ToString() + "\r"
+ "图像大小：" + xSixe.ToString() + "*" + ySixe.ToString();
ds.Dispose();
}
else
{
labInFileInfo.Text = "";
}
}
/// <summary>
/// Initialise ImageStore with a GDAL dataset
/// </summary>
/// <param name="dataset">Dataset in EPSG:4326</param>
public GDALImageStore(
string dataSetName,
string sourcefilename,
OSGeo.GDAL.Dataset dataset,
string format)
{
//TODO: Allow serialization and deserialization of this class for persistency
m_dataSetName = dataSetName;
m_dataset = dataset;
m_sourcefilename = sourcefilename;
dataset.GetGeoTransform(m_transform);
m_lines = dataset.RasterYSize;
m_pixels = dataset.RasterXSize;
m_imageFileExtension = "png";
m_bands = dataset.RasterCount;
if (format.Equals("jpg"))
{
m_imageFileExtension = "jpg";
//m_tileformat = ImageFileFormat.Jpg;
}
else if (format.Equals("bmp"))
{
m_imageFileExtension = "bmp";
//m_tileformat = ImageFileFormat.Bmp;
}
else if (format.Equals("dds"))
{
m_imageFileExtension = "dds";
//m_tileformat = ImageFileFormat.Dds;
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="gdalDataSet">The gdal data set</param>
public GeoTransform(OSGeo.GDAL.Dataset gdalDataSet)
{
if (gdalDataSet == null)
{
throw new ArgumentException("GeoTransform constructor invoked with null dataset.", nameof(gdalDataSet));
}
gdalDataSet.GetGeoTransform(_transform);
ComputeInverse();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="gdalDataset">The gdal dataset</param>
public GeoTransform(OSGeo.GDAL.Dataset gdalDataset)
{
if (gdalDataset == null)
{
throw new ArgumentException("GeoTransform constructor invoked with null dataset.", "gdalDataset");
}
var array = new double[6];
gdalDataset.GetGeoTransform(array);
_transform = array;
ComputeInverse();
}
private SharpMap.Geometries.BoundingBox GetExtent()
{
if (_GdalDataset != null)
{
double[] geoTrans = new double[6];
_GdalDataset.GetGeoTransform(geoTrans);
GeoTransform GT = new GeoTransform(geoTrans);
return(new SharpMap.Geometries.BoundingBox(GT.Left,
GT.Top + (GT.VerticalPixelResolution * _GdalDataset.RasterYSize),
GT.Left + (GT.HorizontalPixelResolution * _GdalDataset.RasterXSize),
GT.Top));
}
return(null);
}
public void LoadAffineTransform(string filename)
{
using (OSGeo.GDAL.Dataset dataset = OSGeo.GDAL.Gdal.Open(filename, OSGeo.GDAL.Access.GA_ReadOnly))
{
AffineTransform = new double[6];
dataset.GetGeoTransform(AffineTransform);
string targetProjection = "GEOGCS[\"Moon 2000\", DATUM[\"D_Moon_2000\", SPHEROID[\"Moon_2000_IAU_IAG\",1737400.0,0.0]], PRIMEM[\"Greenwich\",0], UNIT[\"Decimal_Degree\",0.0174532925199433]]";
var src = new OSGeo.OSR.SpatialReference(dataset.GetProjectionRef());
var dst = new OSGeo.OSR.SpatialReference(targetProjection);
pixelToLatLon = new OSGeo.OSR.CoordinateTransformation(src, dst);
latLonToPixel = new OSGeo.OSR.CoordinateTransformation(dst, src);
}
}
private IEnvelope GetExtent()
{
if (_GdalDataset != null)
{
double[] geoTrans = new double[6];
_GdalDataset.GetGeoTransform(geoTrans);
GeoTransform GT = new GeoTransform(geoTrans);
return(SharpMap.Converters.Geometries.GeometryFactory.CreateEnvelope(GT.Left,
GT.Top + (GT.VerticalPixelResolution * _GdalDataset.RasterYSize),
GT.Left + (GT.HorizontalPixelResolution * _GdalDataset.RasterXSize),
GT.Top));
}
return(null);
}
public MemoryMappedInt16Terrain(string referenceImage)
{
Open(TerrainImageFile);
using (OSGeo.GDAL.Dataset dataset = OSGeo.GDAL.Gdal.Open(referenceImage, OSGeo.GDAL.Access.GA_ReadOnly))
{
_affineTransform = new double[6];
dataset.GetGeoTransform(_affineTransform);
string projection = dataset.GetProjectionRef();
var src = new OSGeo.OSR.SpatialReference(projection);
var dst = new OSGeo.OSR.SpatialReference(PolarStereographic);
_pixelToLineSample = new OSGeo.OSR.CoordinateTransformation(src, dst);
}
}
private void openFileDSM_FileOk(object sender, CancelEventArgs e)
{
labDSMin.Text = openFileDSM.FileName;
OSGeo.GDAL.Gdal.AllRegister();
OSGeo.GDAL.Dataset ds = OSGeo.GDAL.Gdal.Open(openFileDSM.FileName, OSGeo.GDAL.Access.GA_ReadOnly);
double[] a = new double[6];
ds.GetGeoTransform(a);
double xx = a[0];
double yy = a[3];
double size = a[1];
double xSixe = ds.RasterXSize;
double ySixe = ds.RasterYSize;
labInFileInfo.Text += openFileDSM.SafeFileName + "：\r" + "\r\n"
+ "左上角X坐标：" + xx.ToString() + "\r"
+ "左上角Y坐标：" + yy.ToString() + "\r"
+ "像元尺寸：" + size.ToString() + "\r"
+ "图像大小：" + xSixe.ToString() + "*" + ySixe.ToString();
ds.Dispose();
}
private List <double[]> readImageCoordinatesBoundsInLonLat(OSGeo.GDAL.Dataset imageDataset)
{
var band = imageDataset.GetRasterBand(1);
if (band == null)
{
return(null);
}
var width = band.XSize;
var height = band.YSize;
double[] geoTransformerData = new double[6];
imageDataset.GetGeoTransform(geoTransformerData);
SpatialReference currentReference = new SpatialReference(imageDataset.GetProjectionRef());
SpatialReference newReference = GdalUtilities.getWgs84Reference();
CoordinateTransformation ct = new CoordinateTransformation(currentReference, newReference);
double[] northWestPoint = new double[2] {
geoTransformerData[0], geoTransformerData[3]
};
ct.TransformPoint(northWestPoint);
double[] southEastPoint = new double[2] {
geoTransformerData[0] + geoTransformerData[1] * width,
geoTransformerData[3] + geoTransformerData[5] * height
};
ct.TransformPoint(southEastPoint);
return(new List <double[]> {
northWestPoint, southEastPoint
});
}
public RasterClass(IRasterDataset dataset, string filename, IPolygon polygon)
{
try
{
FileInfo fi = new FileInfo(filename);
_title = fi.Name;
_filename = filename;
_dataset = dataset;
OSGeo.GDAL.Gdal.AllRegister();
_gDS = OSGeo.GDAL.Gdal.Open(fi.FullName, 0);
if (_gDS == null && _gDS.RasterCount == 0)
{
_valid = false;
return;
}
_iWidth = _gDS.RasterXSize;
_iHeight = _gDS.RasterYSize;
switch (fi.Extension.ToLower())
{
case ".adf":
case ".gsd":
_type = RasterType.grid;
break;
//case ".jp2":
// _type = RasterType.wavelet;
// break;
}
using (OSGeo.GDAL.Band band = _gDS.GetRasterBand(1))
{
if (_gDS.RasterCount == 1)
{
if (band.DataType != OSGeo.GDAL.DataType.GDT_Byte)
{
_type = RasterType.grid;
}
}
band.GetMinimum(out _min, out _hasNoDataVal);
band.GetMaximum(out _max, out _hasNoDataVal);
band.GetNoDataValue(out _nodata, out _hasNoDataVal);
}
OSGeo.GDAL.Driver driver = _gDS.GetDriver();
double[] tfw = new double[6];
_gDS.GetGeoTransform(tfw);
string tfwFilename = fi.FullName.Substring(0, fi.FullName.Length - fi.Extension.Length);
switch (fi.Extension.ToLower())
{
case ".jpg":
case ".jpeg":
tfwFilename += ".jgw";
break;
case ".jp2":
tfwFilename += ".j2w";
break;
case ".tif":
case ".tiff":
tfwFilename += ".tfw";
break;
case ".ecw":
tfwFilename += ".eww";
break;
default:
break;
}
FileInfo tfwInfo = new FileInfo(tfwFilename);
_tfw = new TFWFile(tfw[0], tfw[3], tfw[1], tfw[2], tfw[4], tfw[5]);
if (tfwInfo.Exists)
{
_tfw.Filename = tfwFilename;
}
if (_tfw.X == 0.0 && _tfw.Y == 0.0 &&
Math.Abs(_tfw.dx_X) == 1.0 && _tfw.dx_Y == 0.0 &&
Math.Abs(_tfw.dy_Y) == 1.0 && _tfw.dy_X == 0.0 && driver != null)
{
if (tfwInfo.Exists)
{
_tfw = new TFWFile(tfwFilename);
}
else
{
_tfw.isValid = false;
}
}
else
{
// Bei dem Driver schein es nicht Pixelmitte sein, oder ist das bei GDAL generell
//if (driver.ShortName.ToLower() == "jp2openjpeg")
{
_tfw.X += (_tfw.dx_X / 2.0D + _tfw.dx_Y / 2.0D);
_tfw.Y += (_tfw.dy_X / 2.0D + _tfw.dy_Y / 2.0D);
}
}
FileInfo fiPrj = new FileInfo(fi.FullName.Substring(0, fi.FullName.Length - fi.Extension.Length) + ".prj");
if (fiPrj.Exists)
{
StreamReader sr = new StreamReader(fiPrj.FullName);
string wkt = sr.ReadToEnd();
sr.Close();
_sRef = gView.Framework.Geometry.SpatialReference.FromWKT(wkt);
}
else
{
fiPrj = new FileInfo(fi.FullName.Substring(0, fi.FullName.Length - fi.Extension.Length) + ".wkt");
if (fiPrj.Exists)
{
StreamReader sr = new StreamReader(fiPrj.FullName);
string wkt = sr.ReadToEnd();
sr.Close();
_sRef = gView.Framework.Geometry.SpatialReference.FromWKT(wkt);
}
}
if (polygon != null)
{
_polygon = polygon;
}
else
{
calcPolygon();
}
}
catch (Exception ex)
{
string errMsg = ex.Message;
_valid = false;
}
}
private void GetPreview(OSGeo.GDAL.Dataset dataset, System.Drawing.Size size, Graphics g, SharpMap.Geometries.BoundingBox bbox)
{
double[] geoTrans = new double[6];
dataset.GetGeoTransform(geoTrans);
GeoTransform GT = new GeoTransform(geoTrans);
int DsWidth = dataset.RasterXSize;
int DsHeight = dataset.RasterYSize;
Bitmap bitmap = new Bitmap(size.Width, size.Height, PixelFormat.Format24bppRgb);
int iPixelSize = 3; //Format24bppRgb = byte[b,g,r]
if (dataset != null)
{
/*
* if ((float)size.Width / (float)size.Height > (float)DsWidth / (float)DsHeight)
* size.Width = size.Height * DsWidth / DsHeight;
* else
* size.Height = size.Width * DsHeight / DsWidth;
*/
double left = Math.Max(bbox.Left, _Envelope.Left);
double top = Math.Min(bbox.Top, _Envelope.Top);
double right = Math.Min(bbox.Right, _Envelope.Right);
double bottom = Math.Max(bbox.Bottom, _Envelope.Bottom);
int x1 = (int)GT.PixelX(left);
int y1 = (int)GT.PixelY(top);
int x1width = (int)GT.PixelXwidth(right - left);
int y1height = (int)GT.PixelYwidth(bottom - top);
bitmap = new Bitmap(size.Width, size.Height, PixelFormat.Format24bppRgb);
BitmapData bitmapData = bitmap.LockBits(new Rectangle(0, 0, size.Width, size.Height), ImageLockMode.ReadWrite, bitmap.PixelFormat);
try
{
unsafe
{
for (int i = 1; i <= (dataset.RasterCount > 3 ? 3 : dataset.RasterCount); ++i)
{
byte[] buffer = new byte[size.Width * size.Height];
OSGeo.GDAL.Band band = dataset.GetRasterBand(i);
//band.ReadRaster(x1, y1, x1width, y1height, buffer, size.Width, size.Height, (int)GT.HorizontalPixelResolution, (int)GT.VerticalPixelResolution);
band.ReadRaster(x1, y1, x1width, y1height, buffer, size.Width, size.Height, 0, 0);
int p_indx = 0;
int ch = 0;
//#warning Check correspondance between enum and integer values
if (band.GetRasterColorInterpretation() == OSGeo.GDAL.ColorInterp.GCI_BlueBand)
{
ch = 0;
}
if (band.GetRasterColorInterpretation() == OSGeo.GDAL.ColorInterp.GCI_GreenBand)
{
ch = 1;
}
if (band.GetRasterColorInterpretation() == OSGeo.GDAL.ColorInterp.GCI_RedBand)
{
ch = 2;
}
if (band.GetRasterColorInterpretation() != OSGeo.GDAL.ColorInterp.GCI_PaletteIndex)
{
for (int y = 0; y < size.Height; y++)
{
byte *row = (byte *)bitmapData.Scan0 + (y * bitmapData.Stride);
for (int x = 0; x < size.Width; x++, p_indx++)
{
row[x * iPixelSize + ch] = buffer[p_indx];
}
}
}
else //8bit Grayscale
{
for (int y = 0; y < size.Height; y++)
{
byte *row = (byte *)bitmapData.Scan0 + (y * bitmapData.Stride);
for (int x = 0; x < size.Width; x++, p_indx++)
{
row[x * iPixelSize] = buffer[p_indx];
row[x * iPixelSize + 1] = buffer[p_indx];
row[x * iPixelSize + 2] = buffer[p_indx];
}
}
}
}
}
}
finally
{
bitmap.UnlockBits(bitmapData);
}
}
g.DrawImage(bitmap, new System.Drawing.Point(0, 0));
}
protected override void SolveInstance(IGH_DataAccess DA)
{
string output = "";
try
{
GdalConfiguration.ConfigureOgr();
GdalConfiguration.ConfigureGdal();
output = "It works!";
}
catch (Exception e)
{
output = "{0} Exception caught. " + e;
}
string input = "";
DA.GetData(0, ref input);
string file = input;
bool flag = false;
DA.GetData(1, ref flag);
double minLat = 0.0;
DA.GetData(2, ref minLat);
double maxLat = 0.0;
DA.GetData(3, ref maxLat);
double minLon = 0.0;
DA.GetData(4, ref minLon);
double maxLon = 0.0;
DA.GetData(5, ref maxLon);
var boolListX = new List <bool>();
var boolListY = new List <bool>();
var boolOut = new List <bool>();
OSGeo.GDAL.Dataset ds = OSGeo.GDAL.Gdal.Open(file, OSGeo.GDAL.Access.GA_ReadOnly);
double[] gt = new double[6];
ds.GetGeoTransform(gt);
var xres = gt[1];
var yres = gt[5];
var xsize = ds.RasterXSize;
var ysize = ds.RasterYSize;
var xmin = gt[0] + xres * 0.5;
var xmax = gt[0] + (xres * xsize) - xres * 0.5;
var ymin = gt[3] + (yres * ysize) + yres * 0.5;
var ymax = gt[3] - yres * 0.5;
var xx = EnumerableUtilities.RangePython(xmin, xmax + xres, xres).ToArray();
var yy = EnumerableUtilities.RangePython(ymax + yres, ymin, yres).ToArray();
var inMX = new List <double>().ToArray();
var inMY = new List <double>().ToArray();
var xNew = new List <double>();
var yNew = new List <double>();
var M = Acc.Matrix.MeshGrid(inMX, inMY);
bool xFirst = false;
if (flag == false)
{
M = Acc.Matrix.MeshGrid(yy, xx);
xFirst = false;
}
else if (flag == true)
{
for (int i = 0; i < xx.Length; ++i)
{
if (xx[i] > minLat && xx[i] < maxLat)
{
xNew.Add(xx[i]);
}
}
for (int i = 0; i < yy.Length; ++i)
{
if (yy[i] > minLon && yy[i] < maxLon)
{
yNew.Add(yy[i]);
}
}
if (yNew.Count() < xNew.Count())
{
M = Acc.Matrix.MeshGrid(yNew.ToArray(), xNew.ToArray());
xFirst = false;
}
else if (yNew.Count() > xNew.Count() || yNew.Count() == xNew.Count())
{
M = Acc.Matrix.MeshGrid(xNew.ToArray(), yNew.ToArray());
xFirst = true;
}
}
int xSize = 0, ySize = 0;
if (xFirst == true)
{
xSize = M.Item1.GetLength(0);
ySize = M.Item2.GetLength(0);
}
else
{
xSize = M.Item2.GetLength(0);
ySize = M.Item1.GetLength(0);
}
var x = new double[xSize, ySize];
var y = new double[ySize, xSize];
if (xFirst == true)
{
x = M.Item1;
y = M.Item2;
}
else
{
x = M.Item2;
y = M.Item1;
}
x = M.Item2;
y = M.Item1;
ds = null;
DA.SetData(0, output);
DA.SetDataList(1, x);
DA.SetDataList(2, y);
}
static void Main(string[] args)
{
OSGeo.GDAL.Gdal.AllRegister();
OSGeo.OGR.Ogr.RegisterAll();
//shp驱动
OSGeo.OGR.Driver shpDataDriver = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
//shp数据源
shpDataSet = shpDataDriver.CreateDataSource(shpSavePath, null);
//img驱动
gdalDriver = OSGeo.GDAL.Gdal.GetDriverByName("HFA");
//dsm数据源
dsmDataset = OSGeo.GDAL.Gdal.Open(dsmPath, OSGeo.GDAL.Access.GA_Update);
//dsm数据信息
dsmDataset.GetGeoTransform(dsm_Transform);
dsm_Xsize = dsmDataset.RasterXSize;
dsm_Ysize = dsmDataset.RasterYSize;
//投影信息
srs = dsmDataset.GetProjectionRef() == "" ? null : new OSGeo.OSR.SpatialReference(dsmDataset.GetProjectionRef());
Stopwatch aTime = new Stopwatch(); aTime.Start();
//1 坡度图
buildSlope();
StaticTools.msgLine($"完成！用时：{aTime.Elapsed.ToString()}\n"); aTime.Restart();
//2 坡度线
OSGeo.OGR.Layer pdx = getPDX(1);
StaticTools.msgLine($"完成！用时：{aTime.Elapsed.ToString()}\n"); aTime.Restart();
OSGeo.OGR.Layer slopeCleanLayer = cleanLayer(pdx, 200, 5000);
StaticTools.msgLine($"完成！用时：{aTime.Elapsed.ToString()}\n"); aTime.Restart();
//3 等高线
OSGeo.OGR.Layer dzx = getDZX_();
StaticTools.msgLine($"完成！用时：{aTime.Elapsed.ToString()}\n"); aTime.Restart();
OSGeo.OGR.Layer dzxPolyLayer = cleanDZX(dzx);
StaticTools.msgLine($"完成！用时：{aTime.Elapsed.ToString()}\n"); aTime.Restart();
//4 筛选
OSGeo.OGR.Layer selectLayer = selectionFeatuers(slopeCleanLayer, dzxPolyLayer);
StaticTools.msgLine($"完成！用时：{aTime.Elapsed.ToString()}\n"); aTime.Restart();
OSGeo.OGR.Layer resLayer = cleanLayer_FF(selectLayer);
StaticTools.msgLine($"完成！用时：{aTime.Elapsed.ToString()}\n"); aTime.Restart();
// 最小外接矩形
getMinOutLineFromLayerToLayer(resLayer);
StaticTools.msgLine($"完成！用时：{aTime.Elapsed.ToString()}\n"); aTime.Restart();
//5 简化
jianhua(resLayer, 175, 5);
StaticTools.msgLine($"完成！用时：{aTime.Elapsed.ToString()}\n"); aTime.Restart();
//6 高度值 未完成
//getH(resLayer);
//StaticTools.msgLine($"完成！用时：{aTime.Elapsed.ToString()}\n"); aTime.Restart();
shpDataSet.Dispose();
shpDataDriver.Dispose();
dsmDataset.Dispose();
gdalDriver.Dispose();
// aTime.Stop();
Console.Write("Press any key to continue . . . ");
Console.ReadKey(true);
}
/// <summary>
/// 以前的代码
/// </summary>
/// <param name="dsmDs"></param>
/// <param name="oriFeat"></param>
/// <param name="bufFeat"></param>
/// <param name="subRasterOff_Size"></param>
private static void getMaxMinValue_(OSGeo.GDAL.Dataset dsmDs, OSGeo.OGR.Feature oriFeat, OSGeo.OGR.Feature bufFeat, int[] subRasterOff_Size)
{
//拿到当前Feature对应的栅格值（数组）
double[] rastValue = new double[subRasterOff_Size[2] * subRasterOff_Size[3]];
//拿到全局Transfrom
double[] Transfrom = new double[6];
dsmDs.GetGeoTransform(Transfrom);
//把SUBimg的值读进数组
dsmDs.GetRasterBand(1).ReadRaster(
subRasterOff_Size[0],
subRasterOff_Size[1],
subRasterOff_Size[2],
subRasterOff_Size[3],
rastValue,
subRasterOff_Size[2],
subRasterOff_Size[3],
0, 0);
OSGeo.OGR.Geometry oriGeom = oriFeat.GetGeometryRef();
string ddd = oriFeat.GetFieldAsString("MAX");
while (oriFeat.GetFieldAsString("MAX") == "")
{
//拿到数组中最大值的索引
int maxId = Array.IndexOf(rastValue, rastValue.Max());
//通过索引拿到空间坐标
double maxX, maxY;
StaticTools.indexToGeoSpace(maxId, subRasterOff_Size, Transfrom, out maxX, out maxY);
//把空间坐标写进Geomtry
OSGeo.OGR.Geometry maxGeom = new OSGeo.OGR.Geometry(OSGeo.OGR.wkbGeometryType.wkbPoint);
maxGeom.AddPoint_2D(maxX, maxY);
//判断坐标是否在Feature中，在则把值写入对应字段，不在则把当前值改为平均值
if (maxGeom.Within(oriGeom))
{
oriFeat.SetField("MAX", rastValue.Max());
}
else
{
rastValue[maxId] = rastValue.Average();
}
}
string dd = oriFeat.GetFieldAsString("MIN");
while (oriFeat.GetFieldAsString("MIN") == "")
{
//拿到数组中最小值的索引
double ffdf = rastValue.Min();
int minId = Array.IndexOf(rastValue, rastValue.Min());
//通过索引拿到空间坐标
double minX, minY;
StaticTools.indexToGeoSpace(minId, subRasterOff_Size, Transfrom, out minX, out minY);
//把空间坐标写进Geomtry
OSGeo.OGR.Geometry minGeom = new OSGeo.OGR.Geometry(OSGeo.OGR.wkbGeometryType.wkbPoint);
minGeom.AddPoint_2D(minX, minY);
//判断坐标是否在Feature中，在则把值写入对应字段，不在则把当前值改为平均值
OSGeo.OGR.Geometry bufGeom = bufFeat.GetGeometryRef();
if (minGeom.Within(bufGeom))
{
oriFeat.SetField("MIN", rastValue.Min());
}
else
{
rastValue[minId] = rastValue.Average();
}
}
double max = oriFeat.GetFieldAsDouble("MAX");
double min = oriFeat.GetFieldAsDouble("MIN");
oriFeat.SetField("HIGHT", max - min);
}
